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Merge branch 'master' of https://github.com/eugenp/tutorials into future-vavr

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Ahmed Tawila 2017-12-03 01:30:34 +02:00
parent 1ad1431c76 4e39bfb945
commit 6267c53114
170 changed files with 5474 additions and 819 deletions
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21
LICENSE Normal file
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MIT License
Copyright (c) 2017 Eugen Paraschiv
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

5
README.md
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The "REST with Spring" Classes
==============================
After 5 months of work, here's the Master Class of REST With Spring: <br/>
**[>> THE REST WITH SPRING MASTER CLASS](http://www.baeldung.com/rest-with-spring-course?utm_source=github&utm_medium=social&utm_content=tutorials&utm_campaign=rws#master-class)**
And here's the Master Class of Learn Spring Security: <br/>
**[>> LEARN SPRING SECURITY MASTER CLASS](http://www.baeldung.com/learn-spring-security-course?utm_source=github&utm_medium=social&utm_content=tutorials&utm_campaign=lss#master-class)**
Spring Tutorials
================

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apache-poi/src/main/java/com/baeldung/poi/powerpoint/PowerPointHelper.java Normal file
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package com.baeldung.poi.powerpoint;
import org.apache.poi.sl.usermodel.AutoNumberingScheme;
import org.apache.poi.sl.usermodel.PictureData;
import org.apache.poi.sl.usermodel.TableCell;
import org.apache.poi.sl.usermodel.TextParagraph;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xslf.usermodel.*;
import java.awt.*;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Helper class for the PowerPoint presentation creation
*/
public class PowerPointHelper {
/**
* Read an existing presentation
*
* @param fileLocation
* File location of the presentation
* @return instance of {@link XMLSlideShow}
* @throws IOException
*/
public XMLSlideShow readingExistingSlideShow(String fileLocation) throws IOException {
return new XMLSlideShow(new FileInputStream(fileLocation));
}
/**
* Create a sample presentation
*
* @param fileLocation
* File location of the presentation
* @throws IOException
*/
public void createPresentation(String fileLocation) throws IOException {
// Create presentation
XMLSlideShow ppt = new XMLSlideShow();
XSLFSlideMaster defaultMaster = ppt.getSlideMasters().get(0);
// Retriving the slide layout
XSLFSlideLayout layout = defaultMaster.getLayout(SlideLayout.TITLE_ONLY);
// Creating the 1st slide
XSLFSlide slide1 = ppt.createSlide(layout);
XSLFTextShape title = slide1.getPlaceholder(0);
// Clearing text to remove the predefined one in the template
title.clearText();
XSLFTextParagraph p = title.addNewTextParagraph();
XSLFTextRun r1 = p.addNewTextRun();
r1.setText("Baeldung");
r1.setFontColor(new Color(78, 147, 89));
r1.setFontSize(48.);
// Add Image
ClassLoader classLoader = getClass().getClassLoader();
byte[] pictureData = IOUtils.toByteArray(new FileInputStream(classLoader.getResource("logo-leaf.png").getFile()));
XSLFPictureData pd = ppt.addPicture(pictureData, PictureData.PictureType.PNG);
XSLFPictureShape picture = slide1.createPicture(pd);
picture.setAnchor(new Rectangle(320, 230, 100, 92));
// Creating 2nd slide
layout = defaultMaster.getLayout(SlideLayout.TITLE_AND_CONTENT);
XSLFSlide slide2 = ppt.createSlide(layout);
// setting the tile
title = slide2.getPlaceholder(0);
title.clearText();
XSLFTextRun r = title.addNewTextParagraph().addNewTextRun();
r.setText("Baeldung");
// Adding the link
XSLFHyperlink link = r.createHyperlink();
link.setAddress("http://www.baeldung.com");
// setting the content
XSLFTextShape content = slide2.getPlaceholder(1);
content.clearText(); // unset any existing text
content.addNewTextParagraph().addNewTextRun().setText("First paragraph");
content.addNewTextParagraph().addNewTextRun().setText("Second paragraph");
content.addNewTextParagraph().addNewTextRun().setText("Third paragraph");
// Creating 3rd slide - List
layout = defaultMaster.getLayout(SlideLayout.TITLE_AND_CONTENT);
XSLFSlide slide3 = ppt.createSlide(layout);
title = slide3.getPlaceholder(0);
title.clearText();
r = title.addNewTextParagraph().addNewTextRun();
r.setText("Lists");
content = slide3.getPlaceholder(1);
content.clearText();
XSLFTextParagraph p1 = content.addNewTextParagraph();
p1.setIndentLevel(0);
p1.setBullet(true);
r1 = p1.addNewTextRun();
r1.setText("Bullet");
// the next three paragraphs form an auto-numbered list
XSLFTextParagraph p2 = content.addNewTextParagraph();
p2.setBulletAutoNumber(AutoNumberingScheme.alphaLcParenRight, 1);
p2.setIndentLevel(1);
XSLFTextRun r2 = p2.addNewTextRun();
r2.setText("Numbered List Item - 1");
// Creating 4th slide
XSLFSlide slide4 = ppt.createSlide();
createTable(slide4);
// Save presentation
FileOutputStream out = new FileOutputStream(fileLocation);
ppt.write(out);
out.close();
// Closing presentation
ppt.close();
}
/**
* Delete a slide from the presentation
*
* @param ppt
* The presentation
* @param slideNumber
* The number of the slide to be deleted (0-based)
*/
public void deleteSlide(XMLSlideShow ppt, int slideNumber) {
ppt.removeSlide(slideNumber);
}
/**
* Re-order the slides inside a presentation
*
* @param ppt
* The presentation
* @param slideNumber
* The number of the slide to move
* @param newSlideNumber
* The new position of the slide (0-base)
*/
public void reorderSlide(XMLSlideShow ppt, int slideNumber, int newSlideNumber) {
List<XSLFSlide> slides = ppt.getSlides();
XSLFSlide secondSlide = slides.get(slideNumber);
ppt.setSlideOrder(secondSlide, newSlideNumber);
}
/**
* Retrieve the placeholder inside a slide
*
* @param slide
* The slide
* @return List of placeholder inside a slide
*/
public List<XSLFShape> retrieveTemplatePlaceholders(XSLFSlide slide) {
List<XSLFShape> placeholders = new ArrayList<>();
for (XSLFShape shape : slide.getShapes()) {
if (shape instanceof XSLFAutoShape) {
placeholders.add(shape);
}
}
return placeholders;
}
/**
* Create a table
*
* @param slide
* Slide
*/
private void createTable(XSLFSlide slide) {
XSLFTable tbl = slide.createTable();
tbl.setAnchor(new Rectangle(50, 50, 450, 300));
int numColumns = 3;
int numRows = 5;
// header
XSLFTableRow headerRow = tbl.addRow();
headerRow.setHeight(50);
for (int i = 0; i < numColumns; i++) {
XSLFTableCell th = headerRow.addCell();
XSLFTextParagraph p = th.addNewTextParagraph();
p.setTextAlign(TextParagraph.TextAlign.CENTER);
XSLFTextRun r = p.addNewTextRun();
r.setText("Header " + (i + 1));
r.setBold(true);
r.setFontColor(Color.white);
th.setFillColor(new Color(79, 129, 189));
th.setBorderWidth(TableCell.BorderEdge.bottom, 2.0);
th.setBorderColor(TableCell.BorderEdge.bottom, Color.white);
// all columns are equally sized
tbl.setColumnWidth(i, 150);
}
// data
for (int rownum = 0; rownum < numRows; rownum++) {
XSLFTableRow tr = tbl.addRow();
tr.setHeight(50);
for (int i = 0; i < numColumns; i++) {
XSLFTableCell cell = tr.addCell();
XSLFTextParagraph p = cell.addNewTextParagraph();
XSLFTextRun r = p.addNewTextRun();
r.setText("Cell " + (i * rownum + 1));
if (rownum % 2 == 0) {
cell.setFillColor(new Color(208, 216, 232));
} else {
cell.setFillColor(new Color(233, 247, 244));
}
}
}
}
}

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apache-poi/src/test/java/com/baeldung/poi/powerpoint/PowerPointIntegrationTest.java Normal file
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package com.baeldung.poi.powerpoint;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFShape;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.util.List;
public class PowerPointIntegrationTest {
private PowerPointHelper pph;
private String fileLocation;
private static final String FILE_NAME = "presentation.pptx";
@Before
public void setUp() throws Exception {
File currDir = new File(".");
String path = currDir.getAbsolutePath();
fileLocation = path.substring(0, path.length() - 1) + FILE_NAME;
pph = new PowerPointHelper();
pph.createPresentation(fileLocation);
}
@Test
public void whenReadingAPresentation_thenOK() throws Exception {
XMLSlideShow xmlSlideShow = pph.readingExistingSlideShow(fileLocation);
Assert.assertNotNull(xmlSlideShow);
Assert.assertEquals(4, xmlSlideShow.getSlides().size());
}
@Test
public void whenRetrievingThePlaceholdersForEachSlide_thenOK() throws Exception {
XMLSlideShow xmlSlideShow = pph.readingExistingSlideShow(fileLocation);
List<XSLFShape> onlyTitleSlidePlaceholders = pph.retrieveTemplatePlaceholders(xmlSlideShow.getSlides().get(0));
List<XSLFShape> titleAndBodySlidePlaceholders = pph.retrieveTemplatePlaceholders(xmlSlideShow.getSlides().get(1));
List<XSLFShape> emptySlidePlaceholdes = pph.retrieveTemplatePlaceholders(xmlSlideShow.getSlides().get(3));
Assert.assertEquals(1, onlyTitleSlidePlaceholders.size());
Assert.assertEquals(2, titleAndBodySlidePlaceholders.size());
Assert.assertEquals(0, emptySlidePlaceholdes.size());
}
@Test
public void whenSortingSlides_thenOK() throws Exception {
XMLSlideShow xmlSlideShow = pph.readingExistingSlideShow(fileLocation);
XSLFSlide slide4 = xmlSlideShow.getSlides().get(3);
pph.reorderSlide(xmlSlideShow, 3, 1);
Assert.assertEquals(slide4, xmlSlideShow.getSlides().get(1));
}
@Test
public void givenPresentation_whenDeletingASlide_thenOK() throws Exception {
XMLSlideShow xmlSlideShow = pph.readingExistingSlideShow(fileLocation);
pph.deleteSlide(xmlSlideShow, 3);
Assert.assertEquals(3, xmlSlideShow.getSlides().size());
}
@After
public void tearDown() throws Exception {
File testFile = new File(fileLocation);
if (testFile.exists()) {
testFile.delete();
}
pph = null;
}
}

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bootique/dependency-reduced-pom.xml
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<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<version>4.12</version>
<scope>test</scope>
<exclusions>
<exclusion>
<artifactId>hamcrest-core</artifactId>
<groupId>org.hamcrest</groupId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<dependencyManagement>

5
cas/cas-secured-app/src/main/java/com/baeldung/cassecuredapp/controllers/AuthController.java
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@ -1,6 +1,7 @@
package com.baeldung.cassecuredapp.controllers;
import org.apache.log4j.Logger;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.logout.CookieClearingLogoutHandler;
@ -15,7 +16,7 @@ import javax.servlet.http.HttpServletResponse;
@Controller
public class AuthController {
private Logger logger = Logger.getLogger(AuthController.class);
private Logger logger = LogManager.getLogger(AuthController.class);
@GetMapping("/logout")
public String logout(

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core-java-9/compile-httpclient.bat Normal file
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javac --module-path mods -d mods/com.baeldung.httpclient^
src/modules/com.baeldung.httpclient/module-info.java^
src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java

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core-java-9/run-httpclient.bat Normal file
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java --module-path mods -m com.baeldung.httpclient/com.baeldung.httpclient.HttpClientExample

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core-java-9/src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java Normal file
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package com.baeldung.httpclient;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import jdk.incubator.http.HttpClient;
import jdk.incubator.http.HttpRequest;
import jdk.incubator.http.HttpRequest.BodyProcessor;
import jdk.incubator.http.HttpResponse;
import jdk.incubator.http.HttpResponse.BodyHandler;
/**
*
* @author pkaria
*/
public class HttpClientExample {
public static void main(String[] args) throws Exception {
httpGetRequest();
httpPostRequest();
asynchronousRequest();
asynchronousMultipleRequests();
}
public static void httpGetRequest() throws URISyntaxException, IOException, InterruptedException {
HttpClient client = HttpClient.newHttpClient();
URI httpURI = new URI("http://jsonplaceholder.typicode.com/posts/1");
HttpRequest request = HttpRequest.newBuilder(httpURI).GET()
.headers("Accept-Enconding", "gzip, deflate").build();
HttpResponse<String> response = client.send(request, HttpResponse.BodyHandler.asString());
String responseBody = response.body();
int responseStatusCode = response.statusCode();
System.out.println(responseBody);
}
public static void httpPostRequest() throws URISyntaxException, IOException, InterruptedException {
HttpClient client = HttpClient
.newBuilder()
.build();
HttpRequest request = HttpRequest
.newBuilder(new URI("http://jsonplaceholder.typicode.com/posts"))
.POST(BodyProcessor.fromString("Sample Post Request"))
.build();
HttpResponse<String> response
= client.send(request, HttpResponse.BodyHandler.asString());
String responseBody = response.body();
System.out.println(responseBody);
}
public static void asynchronousRequest() throws URISyntaxException {
HttpClient client = HttpClient.newHttpClient();
URI httpURI = new URI("http://jsonplaceholder.typicode.com/posts/1");
HttpRequest request = HttpRequest.newBuilder(httpURI).GET().build();
CompletableFuture<HttpResponse<String>> futureResponse = client.sendAsync(request,
HttpResponse.BodyHandler.asString());
}
public static void asynchronousMultipleRequests() throws URISyntaxException {
List<URI> targets = Arrays.asList(new URI("http://jsonplaceholder.typicode.com/posts/1"), new URI("http://jsonplaceholder.typicode.com/posts/2"));
HttpClient client = HttpClient.newHttpClient();
List<CompletableFuture<File>> futures = targets
.stream()
.map(target -> client
.sendAsync(
HttpRequest.newBuilder(target)
.GET()
.build(),
BodyHandler.asFile(Paths.get("base", target.getPath())))
.thenApply(response -> response.body())
.thenApply(path -> path.toFile()))
.collect(Collectors.toList());
}
}

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core-java-9/src/modules/com.baeldung.httpclient/module-info.java Normal file
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module com.baeldung.httpclient {
requires jdk.incubator.httpclient;
}

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core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java Normal file
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package com.baeldung.concurrent.waitandnotify;
public class Data {
private String packet;
// True if receiver should wait
// False if sender should wait
private boolean transfer = true;
public synchronized String receive() {
while (transfer) {
try {
wait();
} catch (InterruptedException e) {}
}
transfer = true;
notifyAll();
return packet;
}
public synchronized void send(String packet) {
while (!transfer) {
try {
wait();
} catch (InterruptedException e) {}
}
transfer = false;
this.packet = packet;
notifyAll();
}
}

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core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java Normal file
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package com.baeldung.concurrent.waitandnotify;
public class NetworkDriver {
public static void main(String[] args) {
Data data = new Data();
Thread sender = new Thread(new Sender(data));
Thread receiver = new Thread(new Receiver(data));
sender.start();
receiver.start();
}
}

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core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java Normal file
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package com.baeldung.concurrent.waitandnotify;
import java.util.concurrent.ThreadLocalRandom;
public class Receiver implements Runnable {
private Data load;
public Receiver(Data load) {
this.load = load;
}
public void run() {
for(String receivedMessage = load.receive();
!"End".equals(receivedMessage) ;
receivedMessage = load.receive()) {
System.out.println(receivedMessage);
//Thread.sleep() to mimic heavy server-side processing
try {
Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
} catch (InterruptedException e) {}
}
}
}

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core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java Normal file
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package com.baeldung.concurrent.waitandnotify;
import java.util.concurrent.ThreadLocalRandom;
public class Sender implements Runnable {
private Data data;
public Sender(Data data) {
this.data = data;
}
public void run() {
String packets[] = {
"First packet",
"Second packet",
"Third packet",
"Fourth packet",
"End"
};
for (String packet : packets) {
data.send(packet);
//Thread.sleep() to mimic heavy server-side processing
try {
Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
} catch (InterruptedException e) {}
}
}
}

14
core-java-concurrency/src/test/java/com/baeldung/concurrent/stopping/StopThreadTest.java
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@ -1,7 +1,11 @@
package com.baeldung.concurrent.stopping;
import com.jayway.awaitility.Awaitility;
import org.junit.Test;
import java.util.concurrent.TimeUnit;
import static com.jayway.awaitility.Awaitility.await;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@ -22,11 +26,10 @@ public class StopThreadTest {
// Stop it and make sure the flags have been reversed
controlSubThread.stop();
Thread.sleep(interval);
assertTrue(controlSubThread.isStopped());
await()
.until(() -> assertTrue(controlSubThread.isStopped()));
}
@Test
public void whenInterruptedThreadIsStopped() throws InterruptedException {
@ -44,7 +47,8 @@ public class StopThreadTest {
controlSubThread.interrupt();
// Wait less than the time we would normally sleep, and make sure we exited.
Thread.sleep(interval/10);
assertTrue(controlSubThread.isStopped());
Awaitility.await()
.atMost(interval/ 10, TimeUnit.MILLISECONDS)
.until(controlSubThread::isStopped);
}
}

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core-java-concurrency/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java Normal file
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package com.baeldung.concurrent.waitandnotify;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class NetworkIntegrationTest {
private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
private String expected;
@Before
public void setUpStreams() {
System.setOut(new PrintStream(outContent));
System.setErr(new PrintStream(errContent));
}
@Before
public void setUpExpectedOutput() {
StringWriter expectedStringWriter = new StringWriter();
PrintWriter printWriter = new PrintWriter(expectedStringWriter);
printWriter.println("First packet");
printWriter.println("Second packet");
printWriter.println("Third packet");
printWriter.println("Fourth packet");
printWriter.close();
expected = expectedStringWriter.toString();
}
@After
public void cleanUpStreams() {
System.setOut(null);
System.setErr(null);
}
@Test
public void givenSenderAndReceiver_whenSendingPackets_thenNetworkSynchronized() {
Data data = new Data();
Thread sender = new Thread(new Sender(data));
Thread receiver = new Thread(new Receiver(data));
sender.start();
receiver.start();
//wait for sender and receiver to finish before we test against expected
try {
sender.join();
receiver.join();
} catch (InterruptedException e) {
e.printStackTrace();
}
assertEquals(expected, outContent.toString());
}
}

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core-java-sun/.gitignore vendored Normal file
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@ -0,0 +1,26 @@
*.class
0.*
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
.resourceCache
# Packaged files #
*.jar
*.war
*.ear
# Files generated by integration tests
*.txt
backup-pom.xml
/bin/
/temp
#IntelliJ specific
.idea/
*.iml

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core-java-sun/README.md Normal file
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@ -0,0 +1,6 @@
=========
## Core Java Cookbooks and Examples
### Relevant Articles:
- [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin)

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core-java-sun/pom.xml Normal file
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>core-java-sun</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>core-java-sun</name>
<dependencies>
<!-- utils -->
<dependency>
<groupId>net.sourceforge.collections</groupId>
<artifactId>collections-generic</artifactId>
<version>${collections-generic.version}</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-math3</artifactId>
<version>${commons-math3.version}</version>
</dependency>
<dependency>
<groupId>org.decimal4j</groupId>
<artifactId>decimal4j</artifactId>
<version>${decimal4j.version}</version>
</dependency>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>${bouncycastle.version}</version>
</dependency>
<dependency>
<groupId>org.unix4j</groupId>
<artifactId>unix4j-command</artifactId>
<version>${unix4j.version}</version>
</dependency>
<dependency>
<groupId>com.googlecode.grep4j</groupId>
<artifactId>grep4j</artifactId>
<version>${grep4j.version}</version>
</dependency>
<!-- web -->
<!-- marshalling -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- logging -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<!-- <scope>runtime</scope> -->
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
<!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
</dependency>
<dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-all</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-core</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>${mockito.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.jayway.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>${avaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons-codec.version}</version>
</dependency>
<dependency>
<groupId>org.javamoney</groupId>
<artifactId>moneta</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>org.owasp.esapi</groupId>
<artifactId>esapi</artifactId>
<version>2.1.0.1</version>
</dependency>
<dependency>
<groupId>com.sun.messaging.mq</groupId>
<artifactId>fscontext</artifactId>
<version>${fscontext.version}</version>
</dependency>
<dependency>
<groupId>com.codepoetics</groupId>
<artifactId>protonpack</artifactId>
<version>${protonpack.version}</version>
</dependency>
<dependency>
<groupId>one.util</groupId>
<artifactId>streamex</artifactId>
<version>${streamex.version}</version>
</dependency>
<dependency>
<groupId>io.vavr</groupId>
<artifactId>vavr</artifactId>
<version>${vavr.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>1.19</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>1.19</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.3.4.RELEASE</version>
</dependency>
<dependency>
<groupId>com.sun</groupId>
<artifactId>tools</artifactId>
<version>1.8.0</version>
<scope>system</scope>
<systemPath>${java.home}/../lib/tools.jar</systemPath>
</dependency>
</dependencies>
<build>
<finalName>core-java</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<excludes>
<exclude>**/*LiveTest.java</exclude>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*LongRunningUnitTest.java</exclude>
<exclude>**/*ManualTest.java</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>prepare-package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/libs</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>libs/</classpathPrefix>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
<archive>
<manifest>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<shadedArtifactAttached>true</shadedArtifactAttached>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.jolira</groupId>
<artifactId>onejar-maven-plugin</artifactId>
<executions>
<execution>
<configuration>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
<attachToBuild>true</attachToBuild>
<filename>${project.build.finalName}-onejar.${project.packaging}</filename>
</configuration>
<goals>
<goal>one-jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<classifier>spring-boot</classifier>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
<arguments>
<argument>-Xmx300m</argument>
<argument>-XX:+UseParallelGC</argument>
<argument>-classpath</argument>
<classpath />
<argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>integration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>**/*ManualTest.java</exclude>
</excludes>
<includes>
<include>**/*IntegrationTest.java</include>
</includes>
</configuration>
</execution>
</executions>
<configuration>
<systemPropertyVariables>
<test.mime>json</test.mime>
</systemPropertyVariables>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<executions>
<execution>
<id>run-benchmarks</id>
<!-- <phase>integration-test</phase> -->
<phase>none</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<classpathScope>test</classpathScope>
<executable>java</executable>
<arguments>
<argument>-classpath</argument>
<classpath />
<argument>org.openjdk.jmh.Main</argument>
<argument>.*</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<!-- marshalling -->
<jackson.version>2.8.5</jackson.version>
<!-- logging -->
<org.slf4j.version>1.7.21</org.slf4j.version>
<logback.version>1.1.7</logback.version>
<!-- util -->
<guava.version>23.0</guava.version>
<commons-lang3.version>3.5</commons-lang3.version>
<bouncycastle.version>1.55</bouncycastle.version>
<commons-codec.version>1.10</commons-codec.version>
<commons-math3.version>3.6.1</commons-math3.version>
<decimal4j.version>1.0.3</decimal4j.version>
<commons-io.version>2.5</commons-io.version>
<commons-collections4.version>4.1</commons-collections4.version>
<collections-generic.version>4.01</collections-generic.version>
<unix4j.version>0.4</unix4j.version>
<grep4j.version>1.8.7</grep4j.version>
<lombok.version>1.16.12</lombok.version>
<fscontext.version>4.6-b01</fscontext.version>
<protonpack.version>1.13</protonpack.version>
<streamex.version>0.6.5</streamex.version>
<vavr.version>0.9.0</vavr.version>
<!-- testing -->
<org.hamcrest.version>1.3</org.hamcrest.version>
<junit.version>4.12</junit.version>
<mockito.version>2.8.9</mockito.version>
<assertj.version>3.6.1</assertj.version>
<avaitility.version>1.7.0</avaitility.version>
<!-- maven plugins -->
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
</properties>
</project>

13
core-java-sun/src/main/java/com/baeldung/.gitignore vendored Normal file
View File

@ -0,0 +1,13 @@
*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

2
core-java-sun/src/main/java/com/baeldung/README.md Normal file
View File

@ -0,0 +1,2 @@
### Relevant Articles:
- [SHA-256 Hashing in Java](http://www.baeldung.com/sha-256-hashing-java)

0
core-java/src/main/java/com/baeldung/javac/Positive.java → core-java-sun/src/main/java/com/baeldung/javac/Positive.java
View File

0
core-java/src/main/java/com/baeldung/javac/SampleJavacPlugin.java → core-java-sun/src/main/java/com/baeldung/javac/SampleJavacPlugin.java
View File

6
core-java-sun/src/main/resources/log4j.properties Normal file
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@ -0,0 +1,6 @@
log4j.rootLogger=DEBUG, A1
log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n

19
core-java-sun/src/main/resources/logback.xml Normal file
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@ -0,0 +1,19 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>web - %date [%thread] %-5level %logger{36} - %message%n
</pattern>
</encoder>
</appender>
<logger name="org.springframework" level="WARN" />
<logger name="org.springframework.transaction" level="WARN" />
<!-- in order to debug some marshalling issues, this needs to be TRACE -->
<logger name="org.springframework.web.servlet.mvc" level="WARN" />
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

0
core-java/src/test/java/com/baeldung/javac/SampleJavacPluginIntegrationTest.java → core-java-sun/src/test/java/com/baeldung/javac/SampleJavacPluginIntegrationTest.java
View File

0
core-java/src/test/java/com/baeldung/javac/SimpleClassFile.java → core-java-sun/src/test/java/com/baeldung/javac/SimpleClassFile.java
View File

0
core-java/src/test/java/com/baeldung/javac/SimpleFileManager.java → core-java-sun/src/test/java/com/baeldung/javac/SimpleFileManager.java
View File

0
core-java/src/test/java/com/baeldung/javac/SimpleSourceFile.java → core-java-sun/src/test/java/com/baeldung/javac/SimpleSourceFile.java
View File

0
core-java/src/test/java/com/baeldung/javac/TestCompiler.java → core-java-sun/src/test/java/com/baeldung/javac/TestCompiler.java
View File

0
core-java/src/test/java/com/baeldung/javac/TestRunner.java → core-java-sun/src/test/java/com/baeldung/javac/TestRunner.java
View File

13
core-java-sun/src/test/resources/.gitignore vendored Normal file
View File

@ -0,0 +1,13 @@
*.class
#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*
# Packaged files #
*.jar
*.war
*.ear

1
core-java/README.md
View File

@ -120,4 +120,5 @@
- [Guide to Java String Pool](http://www.baeldung.com/java-string-pool)
- [Copy a File with Java](http://www.baeldung.com/java-copy-file)
- [Introduction to Creational Design Patterns](http://www.baeldung.com/creational-design-patterns)
- [Quick Example - Comparator vs Comparable in Java](http://www.baeldung.com/java-comparator-comparable)

95
core-java/customers.xml Normal file
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<?xml version="1.0"?>
<webRowSet xmlns="http://java.sun.com/xml/ns/jdbc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/jdbc http://java.sun.com/xml/ns/jdbc/webrowset.xsd">
<properties>
<command>SELECT * FROM customers</command>
<concurrency>1008</concurrency>
<datasource><null/></datasource>
<escape-processing>true</escape-processing>
<fetch-direction>1000</fetch-direction>
<fetch-size>0</fetch-size>
<isolation-level>2</isolation-level>
<key-columns>
</key-columns>
<map>
</map>
<max-field-size>0</max-field-size>
<max-rows>0</max-rows>
<query-timeout>0</query-timeout>
<read-only>true</read-only>
<rowset-type>ResultSet.TYPE_SCROLL_INSENSITIVE</rowset-type>
<show-deleted>false</show-deleted>
<table-name>customers</table-name>
<url>jdbc:h2:mem:testdb</url>
<sync-provider>
<sync-provider-name>com.sun.rowset.providers.RIOptimisticProvider</sync-provider-name>
<sync-provider-vendor>Oracle Corporation</sync-provider-vendor>
<sync-provider-version>1.0</sync-provider-version>
<sync-provider-grade>2</sync-provider-grade>
<data-source-lock>1</data-source-lock>
</sync-provider>
</properties>
<metadata>
<column-count>2</column-count>
<column-definition>
<column-index>1</column-index>
<auto-increment>false</auto-increment>
<case-sensitive>true</case-sensitive>
<currency>false</currency>
<nullable>0</nullable>
<signed>true</signed>
<searchable>true</searchable>
<column-display-size>11</column-display-size>
<column-label>ID</column-label>
<column-name>ID</column-name>
<schema-name>PUBLIC</schema-name>
<column-precision>10</column-precision>
<column-scale>0</column-scale>
<table-name>CUSTOMERS</table-name>
<catalog-name>TESTDB</catalog-name>
<column-type>4</column-type>
<column-type-name>INTEGER</column-type-name>
</column-definition>
<column-definition>
<column-index>2</column-index>
<auto-increment>false</auto-increment>
<case-sensitive>true</case-sensitive>
<currency>false</currency>
<nullable>0</nullable>
<signed>true</signed>
<searchable>true</searchable>
<column-display-size>50</column-display-size>
<column-label>NAME</column-label>
<column-name>NAME</column-name>
<schema-name>PUBLIC</schema-name>
<column-precision>50</column-precision>
<column-scale>0</column-scale>
<table-name>CUSTOMERS</table-name>
<catalog-name>TESTDB</catalog-name>
<column-type>12</column-type>
<column-type-name>VARCHAR</column-type-name>
</column-definition>
</metadata>
<data>
<currentRow>
<columnValue>1</columnValue>
<columnValue>Customer1</columnValue>
</currentRow>
<currentRow>
<columnValue>2</columnValue>
<columnValue>Customer2</columnValue>
</currentRow>
<currentRow>
<columnValue>3</columnValue>
<columnValue>Customer3</columnValue>
</currentRow>
<currentRow>
<columnValue>4</columnValue>
<columnValue>Customer4</columnValue>
</currentRow>
<currentRow>
<columnValue>5</columnValue>
<columnValue>Customer5</columnValue>
</currentRow>
</data>
</webRowSet>

933
core-java/pom.xml
View File

@ -1,491 +1,496 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>core-java</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>core-java</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>core-java</name>
<name>core-java</name>
<dependencies>
<dependencies>
<!-- utils -->
<dependency>
<groupId>net.sourceforge.collections</groupId>
<artifactId>collections-generic</artifactId>
<version>${collections-generic.version}</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-math3</artifactId>
<version>${commons-math3.version}</version>
</dependency>
<dependency>
<groupId>org.decimal4j</groupId>
<artifactId>decimal4j</artifactId>
<version>${decimal4j.version}</version>
</dependency>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>${bouncycastle.version}</version>
</dependency>
<dependency>
<groupId>org.unix4j</groupId>
<artifactId>unix4j-command</artifactId>
<version>${unix4j.version}</version>
</dependency>
<dependency>
<groupId>com.googlecode.grep4j</groupId>
<artifactId>grep4j</artifactId>
<version>${grep4j.version}</version>
</dependency>
<!-- web -->
<!-- marshalling -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- logging -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<!-- <scope>runtime</scope> -->
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
<!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
</dependency>
<dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-all</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-core</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>${mockito.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.jayway.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>${avaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons-codec.version}</version>
</dependency>
<dependency>
<groupId>org.javamoney</groupId>
<artifactId>moneta</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>org.owasp.esapi</groupId>
<artifactId>esapi</artifactId>
<version>2.1.0.1</version>
</dependency>
<dependency>
<groupId>com.sun.messaging.mq</groupId>
<artifactId>fscontext</artifactId>
<version>${fscontext.version}</version>
</dependency>
<dependency>
<groupId>com.codepoetics</groupId>
<artifactId>protonpack</artifactId>
<version>${protonpack.version}</version>
</dependency>
<dependency>
<groupId>one.util</groupId>
<artifactId>streamex</artifactId>
<version>${streamex.version}</version>
</dependency>
<dependency>
<groupId>io.vavr</groupId>
<artifactId>vavr</artifactId>
<version>${vavr.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>1.19</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>1.19</version>
</dependency>
<!-- utils -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.3.4.RELEASE</version>
<groupId>net.sourceforge.collections</groupId>
<artifactId>collections-generic</artifactId>
<version>${collections-generic.version}</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>com.sun</groupId>
<artifactId>tools</artifactId>
<version>1.8.0</version>
<scope>system</scope>
<systemPath>${java.home}/../lib/tools.jar</systemPath>
</dependency>
</dependencies>
<build>
<finalName>core-java</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<plugins>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<excludes>
<exclude>**/*LiveTest.java</exclude>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*LongRunningUnitTest.java</exclude>
<exclude>**/*ManualTest.java</exclude>
</excludes>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-math3</artifactId>
<version>${commons-math3.version}</version>
</dependency>
</configuration>
</plugin>
<dependency>
<groupId>org.decimal4j</groupId>
<artifactId>decimal4j</artifactId>
<version>${decimal4j.version}</version>
</dependency>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>prepare-package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/libs</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>${bouncycastle.version}</version>
</dependency>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>libs/</classpathPrefix>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<dependency>
<groupId>org.unix4j</groupId>
<artifactId>unix4j-command</artifactId>
<version>${unix4j.version}</version>
</dependency>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
<archive>
<manifest>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</execution>
</executions>
</plugin>
<dependency>
<groupId>com.googlecode.grep4j</groupId>
<artifactId>grep4j</artifactId>
<version>${grep4j.version}</version>
</dependency>
<!-- web -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<shadedArtifactAttached>true</shadedArtifactAttached>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
<!-- marshalling -->
<plugin>
<groupId>com.jolira</groupId>
<artifactId>onejar-maven-plugin</artifactId>
<executions>
<execution>
<configuration>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
<attachToBuild>true</attachToBuild>
<filename>${project.build.finalName}-onejar.${project.packaging}</filename>
</configuration>
<goals>
<goal>one-jar</goal>
</goals>
</execution>
</executions>
</plugin>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<classifier>spring-boot</classifier>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</configuration>
</execution>
</executions>
</plugin>
<!-- logging -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
<!-- <scope>runtime</scope> -->
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
<!-- <scope>runtime</scope> --> <!-- some spring dependencies need to compile against jcl -->
</dependency>
<dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
<arguments>
<argument>-Xmx300m</argument>
<argument>-XX:+UseParallelGC</argument>
<argument>-classpath</argument>
<classpath/>
<argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
</arguments>
</configuration>
</plugin>
<!-- test scoped -->
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-all</artifactId>
<version>1.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-core</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>${mockito.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.jayway.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>${avaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons-codec.version}</version>
</dependency>
<dependency>
<groupId>org.javamoney</groupId>
<artifactId>moneta</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>org.owasp.esapi</groupId>
<artifactId>esapi</artifactId>
<version>2.1.0.1</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.196</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.sun.messaging.mq</groupId>
<artifactId>fscontext</artifactId>
<version>${fscontext.version}</version>
</dependency>
<dependency>
<groupId>com.codepoetics</groupId>
<artifactId>protonpack</artifactId>
<version>${protonpack.version}</version>
</dependency>
<dependency>
<groupId>one.util</groupId>
<artifactId>streamex</artifactId>
<version>${streamex.version}</version>
</dependency>
<dependency>
<groupId>io.vavr</groupId>
<artifactId>vavr</artifactId>
<version>${vavr.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>1.19</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>1.19</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.3.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>1.5.8.RELEASE</version>
</dependency>
</dependencies>
<build>
<finalName>core-java</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<excludes>
<exclude>**/*LiveTest.java</exclude>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*LongRunningUnitTest.java</exclude>
<exclude>**/*ManualTest.java</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>prepare-package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/libs</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>libs/</classpathPrefix>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
<archive>
<manifest>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<shadedArtifactAttached>true</shadedArtifactAttached>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.jolira</groupId>
<artifactId>onejar-maven-plugin</artifactId>
<executions>
<execution>
<configuration>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
<attachToBuild>true</attachToBuild>
<filename>${project.build.finalName}-onejar.${project.packaging}</filename>
</configuration>
<goals>
<goal>one-jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<classifier>spring-boot</classifier>
<mainClass>org.baeldung.executable.ExecutableMavenJar</mainClass>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
<arguments>
<argument>-Xmx300m</argument>
<argument>-XX:+UseParallelGC</argument>
<argument>-classpath</argument>
<classpath />
<argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</plugins>
</build>
</build>
<profiles>
<profile>
<id>integration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>**/*ManualTest.java</exclude>
</excludes>
<includes>
<include>**/*IntegrationTest.java</include>
</includes>
</configuration>
</execution>
</executions>
<configuration>
<systemPropertyVariables>
<test.mime>json</test.mime>
</systemPropertyVariables>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<profiles>
<profile>
<id>integration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>**/*ManualTest.java</exclude>
</excludes>
<includes>
<include>**/*IntegrationTest.java</include>
</includes>
</configuration>
</execution>
</executions>
<configuration>
<systemPropertyVariables>
<test.mime>json</test.mime>
</systemPropertyVariables>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<executions>
<execution>
<id>run-benchmarks</id>
<!-- <phase>integration-test</phase>-->
<phase>none</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<classpathScope>test</classpathScope>
<executable>java</executable>
<arguments>
<argument>-classpath</argument>
<classpath/>
<argument>org.openjdk.jmh.Main</argument>
<argument>.*</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<executions>
<execution>
<id>run-benchmarks</id>
<!-- <phase>integration-test</phase> -->
<phase>none</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<classpathScope>test</classpathScope>
<executable>java</executable>
<arguments>
<argument>-classpath</argument>
<classpath />
<argument>org.openjdk.jmh.Main</argument>
<argument>.*</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<!-- marshalling -->
<jackson.version>2.8.5</jackson.version>
<properties>
<!-- marshalling -->
<jackson.version>2.8.5</jackson.version>
<!-- logging -->
<org.slf4j.version>1.7.21</org.slf4j.version>
<logback.version>1.1.7</logback.version>
<!-- logging -->
<org.slf4j.version>1.7.21</org.slf4j.version>
<logback.version>1.1.7</logback.version>
<!-- util -->
<guava.version>23.0</guava.version>
<commons-lang3.version>3.5</commons-lang3.version>
<bouncycastle.version>1.55</bouncycastle.version>
<commons-codec.version>1.10</commons-codec.version>
<commons-math3.version>3.6.1</commons-math3.version>
<decimal4j.version>1.0.3</decimal4j.version>
<commons-io.version>2.5</commons-io.version>
<commons-collections4.version>4.1</commons-collections4.version>
<collections-generic.version>4.01</collections-generic.version>
<unix4j.version>0.4</unix4j.version>
<grep4j.version>1.8.7</grep4j.version>
<lombok.version>1.16.12</lombok.version>
<fscontext.version>4.6-b01</fscontext.version>
<protonpack.version>1.13</protonpack.version>
<streamex.version>0.6.5</streamex.version>
<vavr.version>0.9.0</vavr.version>
<!-- testing -->
<org.hamcrest.version>1.3</org.hamcrest.version>
<junit.version>4.12</junit.version>
<mockito.version>2.8.9</mockito.version>
<assertj.version>3.6.1</assertj.version>
<avaitility.version>1.7.0</avaitility.version>
<!-- util -->
<guava.version>22.0</guava.version>
<commons-lang3.version>3.5</commons-lang3.version>
<bouncycastle.version>1.55</bouncycastle.version>
<commons-codec.version>1.10</commons-codec.version>
<commons-math3.version>3.6.1</commons-math3.version>
<decimal4j.version>1.0.3</decimal4j.version>
<commons-io.version>2.5</commons-io.version>
<commons-collections4.version>4.1</commons-collections4.version>
<collections-generic.version>4.01</collections-generic.version>
<unix4j.version>0.4</unix4j.version>
<grep4j.version>1.8.7</grep4j.version>
<lombok.version>1.16.12</lombok.version>
<fscontext.version>4.6-b01</fscontext.version>
<protonpack.version>1.13</protonpack.version>
<streamex.version>0.6.5</streamex.version>
<vavr.version>0.9.0</vavr.version>
<!-- maven plugins -->
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
</properties>
</project>
<!-- testing -->
<org.hamcrest.version>1.3</org.hamcrest.version>
<junit.version>4.12</junit.version>
<mockito.version>2.8.9</mockito.version>
<assertj.version>3.6.1</assertj.version>
<avaitility.version>1.7.0</avaitility.version>
<!-- maven plugins -->
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
</properties>
</project>

51
core-java/src/main/java/com/baeldung/comparable/Player.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.comparable;
public class Player implements Comparable<Player> {
private int ranking;
private String name;
private int age;
public Player(int ranking, String name, int age) {
this.ranking = ranking;
this.name = name;
this.age = age;
}
public int getRanking() {
return ranking;
}
public void setRanking(int ranking) {
this.ranking = ranking;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return this.name;
}
@Override
public int compareTo(Player otherPlayer) {
return (this.getRanking() - otherPlayer.getRanking());
}
}

25
core-java/src/main/java/com/baeldung/comparable/PlayerSorter.java Normal file
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@ -0,0 +1,25 @@
package com.baeldung.comparable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class PlayerSorter {
public static void main(String[] args) {
List<Player> footballTeam = new ArrayList<Player>();
Player player1 = new Player(59, "John", 20);
Player player2 = new Player(67, "Roger", 22);
Player player3 = new Player(45, "Steven", 24);
footballTeam.add(player1);
footballTeam.add(player2);
footballTeam.add(player3);
System.out.println("Before Sorting : " + footballTeam);
Collections.sort(footballTeam);
System.out.println("After Sorting : " + footballTeam);
}
}

46
core-java/src/main/java/com/baeldung/comparator/Player.java Normal file
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@ -0,0 +1,46 @@
package com.baeldung.comparator;
public class Player {
private int ranking;
private String name;
private int age;
public Player(int ranking, String name, int age) {
this.ranking = ranking;
this.name = name;
this.age = age;
}
public int getRanking() {
return ranking;
}
public void setRanking(int ranking) {
this.ranking = ranking;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return this.name;
}
}

12
core-java/src/main/java/com/baeldung/comparator/PlayerAgeComparator.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.comparator;
import java.util.Comparator;
public class PlayerAgeComparator implements Comparator<Player> {
@Override
public int compare(Player firstPlayer, Player secondPlayer) {
return (firstPlayer.getAge() - secondPlayer.getAge());
}
}

27
core-java/src/main/java/com/baeldung/comparator/PlayerAgeSorter.java Normal file
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@ -0,0 +1,27 @@
package com.baeldung.comparator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class PlayerAgeSorter {
public static void main(String[] args) {
List<Player> footballTeam = new ArrayList<Player>();
Player player1 = new Player(59, "John", 22);
Player player2 = new Player(67, "Roger", 20);
Player player3 = new Player(45, "Steven", 24);
footballTeam.add(player1);
footballTeam.add(player2);
footballTeam.add(player3);
System.out.println("Before Sorting : " + footballTeam);
//Instance of PlayerAgeComparator
PlayerAgeComparator playerComparator = new PlayerAgeComparator();
Collections.sort(footballTeam, playerComparator);
System.out.println("After Sorting by age : " + footballTeam);
}
}

12
core-java/src/main/java/com/baeldung/comparator/PlayerRankingComparator.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.comparator;
import java.util.Comparator;
public class PlayerRankingComparator implements Comparator<Player> {
@Override
public int compare(Player firstPlayer, Player secondPlayer) {
return (firstPlayer.getRanking() - secondPlayer.getRanking());
}
}

27
core-java/src/main/java/com/baeldung/comparator/PlayerRankingSorter.java Normal file
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@ -0,0 +1,27 @@
package com.baeldung.comparator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class PlayerRankingSorter {
public static void main(String[] args) {
List<Player> footballTeam = new ArrayList<Player>();
Player player1 = new Player(59, "John", 22);
Player player2 = new Player(67, "Roger", 20);
Player player3 = new Player(45, "Steven", 40);
footballTeam.add(player1);
footballTeam.add(player2);
footballTeam.add(player3);
System.out.println("Before Sorting : " + footballTeam);
//Instance of PlayerRankingComparator
PlayerRankingComparator playerComparator = new PlayerRankingComparator();
Collections.sort(footballTeam, playerComparator);
System.out.println("After Sorting by ranking : " + footballTeam);
}
}

4
core-java/src/main/java/com/baeldung/designpatterns/creational/factory/PolygonFactory.java
View File

@ -11,7 +11,7 @@ public class PolygonFactory {
if(numberOfSides == 5) {
return new Pentagon();
}
if(numberOfSides == 4) {
if(numberOfSides == 7) {
return new Heptagon();
}
else if(numberOfSides == 8) {
@ -19,4 +19,4 @@ public class PolygonFactory {
}
return null;
}
}
}

51
core-java/src/main/java/com/baeldung/jdbcrowset/DatabaseConfiguration.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.jdbcrowset;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.rowset.JdbcRowSet;
import javax.sql.rowset.RowSetFactory;
import javax.sql.rowset.RowSetProvider;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.Configuration;
@Configuration
@EnableAutoConfiguration
public class DatabaseConfiguration {
public static Connection geth2Connection() throws Exception {
Class.forName("org.h2.Driver");
System.out.println("Driver Loaded.");
String url = "jdbc:h2:mem:testdb";
return DriverManager.getConnection(url, "sa", "");
}
public static void initDatabase(Statement stmt) throws SQLException{
int iter = 1;
while(iter<=5){
String customer = "Customer"+iter;
String sql ="INSERT INTO customers(id, name) VALUES ("+iter+ ",'"+customer+"');";
System.out.println("here is sql statmeent for execution: " + sql);
stmt.executeUpdate(sql);
iter++;
}
int iterb = 1;
while(iterb<=5){
String associate = "Associate"+iter;
String sql = "INSERT INTO associates(id, name) VALUES("+iterb+",'"+associate+"');";
System.out.println("here is sql statement for associate:"+ sql);
stmt.executeUpdate(sql);
iterb++;
}
}
}

24
core-java/src/main/java/com/baeldung/jdbcrowset/ExampleListener.java Normal file
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@ -0,0 +1,24 @@
package com.baeldung.jdbcrowset;
import javax.sql.RowSetEvent;
import javax.sql.RowSetListener;
public class ExampleListener implements RowSetListener {
public void cursorMoved(RowSetEvent event) {
System.out.println("ExampleListener alerted of cursorMoved event");
System.out.println(event.toString());
}
public void rowChanged(RowSetEvent event) {
System.out.println("ExampleListener alerted of rowChanged event");
System.out.println(event.toString());
}
public void rowSetChanged(RowSetEvent event) {
System.out.println("ExampleListener alerted of rowSetChanged event");
System.out.println(event.toString());
}
}

46
core-java/src/main/java/com/baeldung/jdbcrowset/FilterExample.java Normal file
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@ -0,0 +1,46 @@
package com.baeldung.jdbcrowset;
import java.sql.SQLException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.sql.RowSet;
import javax.sql.rowset.Predicate;
public class FilterExample implements Predicate {
private Pattern pattern;
public FilterExample(String regexQuery) {
if (regexQuery != null && !regexQuery.isEmpty()) {
pattern = Pattern.compile(regexQuery);
}
}
public boolean evaluate(RowSet rs) {
try {
if (!rs.isAfterLast()) {
String name = rs.getString("name");
System.out.println(String.format(
"Searching for pattern '%s' in %s", pattern.toString(),
name));
Matcher matcher = pattern.matcher(name);
return matcher.matches();
} else
return false;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
public boolean evaluate(Object value, int column) throws SQLException {
throw new UnsupportedOperationException("This operation is unsupported.");
}
public boolean evaluate(Object value, String columnName)
throws SQLException {
throw new UnsupportedOperationException("This operation is unsupported.");
}
}

139
core-java/src/main/java/com/baeldung/jdbcrowset/JdbcRowsetApplication.java Normal file
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@ -0,0 +1,139 @@
package com.baeldung.jdbcrowset;
import java.io.FileOutputStream;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import com.sun.rowset.*;
import javax.sql.rowset.CachedRowSet;
import javax.sql.rowset.FilteredRowSet;
import javax.sql.rowset.JdbcRowSet;
import javax.sql.rowset.JoinRowSet;
import javax.sql.rowset.RowSetFactory;
import javax.sql.rowset.RowSetProvider;
import javax.sql.rowset.WebRowSet;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class JdbcRowsetApplication {
public static void main(String[] args) throws Exception {
SpringApplication.run(JdbcRowsetApplication.class, args);
Statement stmt = null;
try {
Connection conn = DatabaseConfiguration.geth2Connection();
String drop = "DROP TABLE IF EXISTS customers, associates;";
String schema = "CREATE TABLE customers (id INT NOT NULL, name VARCHAR(50) NOT NULL, PRIMARY KEY (id)); ";
String schemapartb = "CREATE TABLE associates (id INT NOT NULL, name VARCHAR(50) NOT NULL, PRIMARY KEY (id));";
stmt = conn.createStatement();
stmt.executeUpdate(drop);
stmt.executeUpdate(schema);
stmt.executeUpdate(schemapartb);
// insert data
DatabaseConfiguration.initDatabase(stmt);
// JdbcRowSet Example
String sql = "SELECT * FROM customers";
JdbcRowSet jdbcRS;
jdbcRS = new JdbcRowSetImpl(conn);
jdbcRS.setType(ResultSet.TYPE_SCROLL_INSENSITIVE);
jdbcRS.setCommand(sql);
jdbcRS.execute();
jdbcRS.addRowSetListener(new ExampleListener());
while (jdbcRS.next()) {
// each call to next, generates a cursorMoved event
System.out.println("id=" + jdbcRS.getString(1));
System.out.println("name=" + jdbcRS.getString(2));
}
// CachedRowSet Example
String username = "sa";
String password = "";
String url = "jdbc:h2:mem:testdb";
CachedRowSet crs = new CachedRowSetImpl();
crs.setUsername(username);
crs.setPassword(password);
crs.setUrl(url);
crs.setCommand(sql);
crs.execute();
crs.addRowSetListener(new ExampleListener());
while (crs.next()) {
if (crs.getInt("id") == 1) {
System.out.println("CRS found customer1 and will remove the record.");
crs.deleteRow();
break;
}
}
// WebRowSet example
WebRowSet wrs = new WebRowSetImpl();
wrs.setUsername(username);
wrs.setPassword(password);
wrs.setUrl(url);
wrs.setCommand(sql);
wrs.execute();
FileOutputStream ostream = new FileOutputStream("customers.xml");
wrs.writeXml(ostream);
// JoinRowSet example
CachedRowSetImpl customers = new CachedRowSetImpl();
customers.setUsername(username);
customers.setPassword(password);
customers.setUrl(url);
customers.setCommand(sql);
customers.execute();
CachedRowSetImpl associates = new CachedRowSetImpl();
associates.setUsername(username);
associates.setPassword(password);
associates.setUrl(url);
String associatesSQL = "SELECT * FROM associates";
associates.setCommand(associatesSQL);
associates.execute();
JoinRowSet jrs = new JoinRowSetImpl();
final String ID = "id";
final String NAME = "name";
jrs.addRowSet(customers, ID);
jrs.addRowSet(associates, ID);
jrs.last();
System.out.println("Total rows: " + jrs.getRow());
jrs.beforeFirst();
while (jrs.next()) {
String string1 = jrs.getString(ID);
String string2 = jrs.getString(NAME);
System.out.println("ID: " + string1 + ", NAME: " + string2);
}
// FilteredRowSet example
RowSetFactory rsf = RowSetProvider.newFactory();
FilteredRowSet frs = rsf.createFilteredRowSet();
frs.setCommand("select * from customers");
frs.execute(conn);
frs.setFilter(new FilterExample("^[A-C].*"));
ResultSetMetaData rsmd = frs.getMetaData();
int columncount = rsmd.getColumnCount();
while (frs.next()) {
for (int i = 1; i <= columncount; i++) {
System.out.println(rsmd.getColumnLabel(i) + " = " + frs.getObject(i) + " ");
}
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

11
core-java/src/main/java/com/baeldung/nestedclass/Enclosing.java
View File

@ -1,11 +0,0 @@
package com.baeldung.nestedclass;
public class Enclosing {
public static class Nested {
public void test() {
System.out.println("Calling test...");
}
}
}

11
core-java/src/main/java/com/baeldung/nestedclass/Outer.java
View File

@ -1,11 +0,0 @@
package com.baeldung.nestedclass;
public class Outer {
public class Inner {
public void test() {
System.out.println("Calling test...");
}
}
}

5
core-java/src/main/java/com/baeldung/nestedclass/SimpleAbstractClass.java
View File

@ -1,5 +0,0 @@
package com.baeldung.nestedclass;
abstract class SimpleAbstractClass {
abstract void run();
}

38
core-java/src/main/java/com/baeldung/polymorphism/FileManager.java Normal file
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@ -0,0 +1,38 @@
package com.baeldung.polymorphism;
import java.awt.image.BufferedImage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class FileManager {
final static Logger logger = LoggerFactory.getLogger(FileManager.class);
public static void main(String[] args) {
GenericFile file1 = new TextFile("SampleTextFile", "This is a sample text content", "v1.0.0");
logger.info("File Info: \n" + file1.getFileInfo() + "\n");
ImageFile imageFile = new ImageFile("SampleImageFile", 200, 100, new BufferedImage(100, 200, BufferedImage.TYPE_INT_RGB).toString()
.getBytes(), "v1.0.0");
logger.info("File Info: \n" + imageFile.getFileInfo());
}
public static ImageFile createImageFile(String name, int height, int width, byte[] content, String version) {
ImageFile imageFile = new ImageFile(name, height, width, content, version);
logger.info("File 2 Info: \n" + imageFile.getFileInfo());
return imageFile;
}
public static GenericFile createTextFile(String name, String content, String version) {
GenericFile file1 = new TextFile(name, content, version);
logger.info("File 1 Info: \n" + file1.getFileInfo() + "\n");
return file1;
}
public static TextFile createTextFile2(String name, String content, String version) {
TextFile file1 = new TextFile(name, content, version);
logger.info("File 1 Info: \n" + file1.getFileInfo() + "\n");
return file1;
}
}

63
core-java/src/main/java/com/baeldung/polymorphism/GenericFile.java Normal file
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@ -0,0 +1,63 @@
package com.baeldung.polymorphism;
import java.util.Date;
public class GenericFile {
private String name;
private String extension;
private Date dateCreated;
private String version;
private byte[] content;
public GenericFile() {
this.setDateCreated(new Date());
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getExtension() {
return extension;
}
public void setExtension(String extension) {
this.extension = extension;
}
public Date getDateCreated() {
return dateCreated;
}
public void setDateCreated(Date dateCreated) {
this.dateCreated = dateCreated;
}
public String getVersion() {
return version;
}
public void setVersion(String version) {
this.version = version;
}
public byte[] getContent() {
return content;
}
public void setContent(byte[] content) {
this.content = content;
}
public String getFileInfo() {
return "File Name: " + this.getName() + "\n" + "Extension: " + this.getExtension() + "\n" + "Date Created: " + this.getDateCreated() + "\n" + "Version: " + this.getVersion() + "\n";
}
public Object read() {
return content;
}
}

41
core-java/src/main/java/com/baeldung/polymorphism/ImageFile.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.polymorphism;
public class ImageFile extends GenericFile {
private int height;
private int width;
public ImageFile(String name, int height, int width, byte[] content, String version) {
this.setHeight(height);
this.setWidth(width);
this.setContent(content);
this.setName(name);
this.setVersion(version);
this.setExtension(".jpg");
}
public int getHeight() {
return height;
}
public void setHeight(int height) {
this.height = height;
}
public int getWidth() {
return width;
}
public void setWidth(int width) {
this.width = width;
}
public String getFileInfo() {
return super.getFileInfo() + "Height: " + this.getHeight() + "\n" + "Width: " + this.getWidth();
}
public String read() {
return this.getContent()
.toString();
}
}

44
core-java/src/main/java/com/baeldung/polymorphism/TextFile.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.polymorphism;
public class TextFile extends GenericFile {
private int wordCount;
public TextFile(String name, String content, String version) {
String[] words = content.split(" ");
this.setWordCount(words.length > 0 ? words.length : 1);
this.setContent(content.getBytes());
this.setName(name);
this.setVersion(version);
this.setExtension(".txt");
}
public int getWordCount() {
return wordCount;
}
public void setWordCount(int wordCount) {
this.wordCount = wordCount;
}
public String getFileInfo() {
return super.getFileInfo() + "Word Count: " + wordCount;
}
public String read() {
return this.getContent()
.toString();
}
public String read(int limit) {
return this.getContent()
.toString()
.substring(0, limit);
}
public String read(int start, int stop) {
return this.getContent()
.toString()
.substring(start, stop);
}
}

6
core-java/src/main/resources/countries.properties
View File

@ -1,3 +1,3 @@
UK
US
Germany
UK
US
Germany

116
core-java/src/test/java/com/baeldung/array/SearchArrayTest.java Normal file
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@ -0,0 +1,116 @@
package com.baeldung.array;
import org.junit.Test;
import java.util.*;
public class SearchArrayTest {
@Test
public void searchArrayAllocNewCollections() {
int count = 1000;
String[] strings = seedArray(count);
long startTime = System.nanoTime();
for (int i = 0; i < count; i++) {
searchList(strings, "W");
}
long duration = System.nanoTime() - startTime;
System.out.println("SearchList: " + duration / 10000);
startTime = System.nanoTime();
for (int i = 0; i < count; i++) {
searchSet(strings,"S");
}
duration = System.nanoTime() - startTime;
System.out.println("SearchSet: " + duration / 10000);
startTime = System.nanoTime();
for (int i = 0; i < count; i++) {
searchLoop(strings, "T");
}
duration = System.nanoTime() - startTime;
System.out.println("SearchLoop: " + duration / 10000);
}
@Test
public void searchArrayReuseCollections() {
int count = 10000;
String[] strings = seedArray(count);
List<String> asList = Arrays.asList(strings);
Set<String> asSet = new HashSet<>(Arrays.asList(strings));
long startTime = System.nanoTime();
for (int i = 0; i < count; i++) {
asList.contains("W");
}
long duration = System.nanoTime() - startTime;
System.out.println("List: " + duration / 10000);
startTime = System.nanoTime();
for (int i = 0; i < count; i++) {
asSet.contains("S");
}
duration = System.nanoTime() - startTime;
System.out.println("Set: " + duration / 10000);
startTime = System.nanoTime();
for (int i = 0; i < count; i++) {
searchLoop(strings, "T");
}
duration = System.nanoTime() - startTime;
System.out.println("Loop: " + duration / 10000);
}
@Test
public void searchArrayBinarySearch() {
int count = 10000;
String[] strings = seedArray(count);
Arrays.sort(strings);
long startTime = System.nanoTime();
for (int i = 0; i < count; i++) {
Arrays.binarySearch(strings, "A");
}
long duration = System.nanoTime() - startTime;
System.out.println("Binary search: " + duration / 10000);
}
private boolean searchList(String[] strings, String searchString) {
return Arrays.asList(strings).contains(searchString);
}
private boolean searchSet(String[] strings, String searchString) {
Set<String> set = new HashSet<>(Arrays.asList(strings));
return set.contains(searchString);
}
private boolean searchLoop(String[] strings, String searchString) {
for (String s : strings) {
if (s.equals(searchString))
return true;
}
return false;
}
private String[] seedArray(int length) {
String[] strings = new String[length];
Random random = new Random();
for (int i = 0; i < length; i++)
{
strings[i] = String.valueOf(random.nextInt());
}
return strings;
}
}

93
core-java/src/test/java/com/baeldung/collection/WhenUsingHashSet.java Normal file
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@ -0,0 +1,93 @@
package com.baeldung.collection;
import java.util.ConcurrentModificationException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.junit.Assert;
import org.junit.Test;
public class WhenUsingHashSet {
@Test
public void whenAddingElement_shouldAddElement() {
Set<String> hashset = new HashSet<>();
Assert.assertTrue(hashset.add("String Added"));
}
@Test
public void whenCheckingForElement_shouldSearchForElement() {
Set<String> hashsetContains = new HashSet<>();
hashsetContains.add("String Added");
Assert.assertTrue(hashsetContains.contains("String Added"));
}
@Test
public void whenCheckingTheSizeOfHashSet_shouldReturnThesize() {
Set<String> hashSetSize = new HashSet<>();
hashSetSize.add("String Added");
Assert.assertEquals(1, hashSetSize.size());
}
@Test
public void whenCheckingForEmptyHashSet_shouldCheckForEmpty() {
Set<String> emptyHashSet = new HashSet<>();
Assert.assertTrue(emptyHashSet.isEmpty());
}
@Test
public void whenRemovingElement_shouldRemoveElement() {
Set<String> removeFromHashSet = new HashSet<>();
removeFromHashSet.add("String Added");
Assert.assertTrue(removeFromHashSet.remove("String Added"));
}
@Test
public void whenClearingHashSet_shouldClearHashSet() {
Set<String> clearHashSet = new HashSet<>();
clearHashSet.add("String Added");
clearHashSet.clear();
Assert.assertTrue(clearHashSet.isEmpty());
}
@Test
public void whenIteratingHashSet_shouldIterateHashSet() {
Set<String> hashset = new HashSet<>();
hashset.add("First");
hashset.add("Second");
hashset.add("Third");
Iterator<String> itr = hashset.iterator();
while (itr.hasNext()) {
System.out.println(itr.next());
}
}
@Test(expected = ConcurrentModificationException.class)
public void whenModifyingHashSetWhileIterating_shouldThrowException() {
Set<String> hashset = new HashSet<>();
hashset.add("First");
hashset.add("Second");
hashset.add("Third");
Iterator<String> itr = hashset.iterator();
while (itr.hasNext()) {
itr.next();
hashset.remove("Second");
}
}
@Test
public void whenRemovingElementUsingIterator_shouldRemoveElement() {
Set<String> hashset = new HashSet<>();
hashset.add("First");
hashset.add("Second");
hashset.add("Third");
Iterator<String> itr = hashset.iterator();
while (itr.hasNext()) {
String element = itr.next();
if (element.equals("Second"))
itr.remove();
}
Assert.assertEquals(2, hashset.size());
}
}

29
core-java/src/test/java/com/baeldung/comparable/ComparableUnitTest.java Normal file
View File

@ -0,0 +1,29 @@
package com.baeldung.comparable;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.Test;
public class ComparableUnitTest {
@Test
public void whenUsingComparable_thenSortedList() {
List<Player> footballTeam = new ArrayList<Player>();
Player player1 = new Player(59, "John", 20);
Player player2 = new Player(67, "Roger", 22);
Player player3 = new Player(45, "Steven", 24);
footballTeam.add(player1);
footballTeam.add(player2);
footballTeam.add(player3);
Collections.sort(footballTeam);
assertEquals(footballTeam.get(0)
.getName(), "Steven");
assertEquals(footballTeam.get(2)
.getRanking(), 67);
}
}

47
core-java/src/test/java/com/baeldung/comparator/ComparatorUnitTest.java Normal file
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@ -0,0 +1,47 @@
package com.baeldung.comparator;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
public class ComparatorUnitTest {
List<Player> footballTeam;
@Before
public void setUp() {
footballTeam = new ArrayList<Player>();
Player player1 = new Player(59, "John", 20);
Player player2 = new Player(67, "Roger", 22);
Player player3 = new Player(45, "Steven", 24);
footballTeam.add(player1);
footballTeam.add(player2);
footballTeam.add(player3);
}
@Test
public void whenUsingRankingComparator_thenSortedList() {
PlayerRankingComparator playerComparator = new PlayerRankingComparator();
Collections.sort(footballTeam, playerComparator);
assertEquals(footballTeam.get(0)
.getName(), "Steven");
assertEquals(footballTeam.get(2)
.getRanking(), 67);
}
@Test
public void whenUsingAgeComparator_thenSortedList() {
PlayerAgeComparator playerComparator = new PlayerAgeComparator();
Collections.sort(footballTeam, playerComparator);
assertEquals(footballTeam.get(0)
.getName(), "John");
assertEquals(footballTeam.get(2)
.getRanking(), 45);
}
}

68
core-java/src/test/java/com/baeldung/comparator/Java8ComparatorUnitTest.java Normal file
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@ -0,0 +1,68 @@
package com.baeldung.comparator;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
public class Java8ComparatorUnitTest {
List<Player> footballTeam;
@Before
public void setUp() {
footballTeam = new ArrayList<Player>();
Player player1 = new Player(59, "John", 22);
Player player2 = new Player(67, "Roger", 20);
Player player3 = new Player(45, "Steven", 24);
footballTeam.add(player1);
footballTeam.add(player2);
footballTeam.add(player3);
}
@Test
public void whenComparing_UsingLambda_thenSorted() {
System.out.println("************** Java 8 Comaparator **************");
Comparator<Player> byRanking = (Player player1, Player player2) -> player1.getRanking() - player2.getRanking();
System.out.println("Before Sorting : " + footballTeam);
Collections.sort(footballTeam, byRanking);
System.out.println("After Sorting : " + footballTeam);
assertEquals(footballTeam.get(0)
.getName(), "Steven");
assertEquals(footballTeam.get(2)
.getRanking(), 67);
}
@Test
public void whenComparing_UsingComparatorComparing_thenSorted() {
System.out.println("********* Comaparator.comparing method *********");
System.out.println("********* byRanking *********");
Comparator<Player> byRanking = Comparator.comparing(Player::getRanking);
System.out.println("Before Sorting : " + footballTeam);
Collections.sort(footballTeam, byRanking);
System.out.println("After Sorting : " + footballTeam);
assertEquals(footballTeam.get(0)
.getName(), "Steven");
assertEquals(footballTeam.get(2)
.getRanking(), 67);
System.out.println("********* byAge *********");
Comparator<Player> byAge = Comparator.comparing(Player::getAge);
System.out.println("Before Sorting : " + footballTeam);
Collections.sort(footballTeam, byAge);
System.out.println("After Sorting : " + footballTeam);
assertEquals(footballTeam.get(0)
.getName(), "Roger");
assertEquals(footballTeam.get(2)
.getRanking(), 45);
}
}

36
core-java/src/test/java/com/baeldung/file/FileOutputStreamTest.java
View File

@ -1,36 +0,0 @@
package com.baeldung.file;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import org.junit.After;
import org.junit.Test;
import com.baeldung.util.StreamUtils;
public class FileOutputStreamTest {
public static final String fileName = "src/main/resources/countries.properties";
@Test
public void whenAppendToFileUsingFileOutputStream_thenCorrect() throws Exception {
FileOutputStream fos = new FileOutputStream(fileName, true);
fos.write("Spain\r\n".getBytes());
fos.close();
assertThat(StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
}
@After
public void revertFile() throws IOException {
PrintWriter writer = new PrintWriter(fileName);
writer.print("UK\r\n" + "US\r\n" + "Germany\r\n");
writer.close();
}
}

37
core-java/src/test/java/com/baeldung/file/FileUtilsTest.java
View File

@ -1,37 +0,0 @@
package com.baeldung.file;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Test;
import com.baeldung.util.StreamUtils;
public class FileUtilsTest {
public static final String fileName = "src/main/resources/countries.properties";
@Test
public void whenAppendToFileUsingFiles_thenCorrect() throws IOException {
File file = new File(fileName);
FileUtils.writeStringToFile(file, "Spain\r\n", StandardCharsets.UTF_8, true);
assertThat(StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
}
@After
public void revertFile() throws IOException {
PrintWriter writer = new PrintWriter(fileName);
writer.print("UK\r\n" + "US\r\n" + "Germany\r\n");
writer.close();
}
}

40
core-java/src/test/java/com/baeldung/file/FileWriterTest.java
View File

@ -1,40 +0,0 @@
package com.baeldung.file;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import org.junit.After;
import org.junit.Test;
import com.baeldung.util.StreamUtils;
public class FileWriterTest {
public static final String fileName = "src/main/resources/countries.properties";
@Test
public void whenAppendToFileUsingFileWriter_thenCorrect() throws IOException {
FileWriter fw = new FileWriter(fileName, true);
BufferedWriter bw = new BufferedWriter(fw);
bw.write("Spain");
bw.newLine();
bw.close();
assertThat(
StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\n");
}
@After
public void revertFile() throws IOException {
PrintWriter writer = new PrintWriter(fileName);
writer.print("UK\r\n" + "US\r\n" + "Germany\r\n");
writer.close();
}
}

68
core-java/src/test/java/com/baeldung/file/FilesTest.java
View File

@ -2,14 +2,24 @@ package com.baeldung.file;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import com.google.common.base.Charsets;
import com.google.common.io.CharSink;
import com.google.common.io.FileWriteMode;
import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.baeldung.util.StreamUtils;
@ -18,6 +28,26 @@ public class FilesTest {
public static final String fileName = "src/main/resources/countries.properties";
@Before
@After
public void setup() throws Exception {
PrintWriter writer = new PrintWriter(fileName);
writer.print("UK\r\n" + "US\r\n" + "Germany\r\n");
writer.close();
}
@Test
public void whenAppendToFileUsingGuava_thenCorrect() throws IOException {
File file = new File(fileName);
CharSink chs = com.google.common.io.Files.asCharSink(file, Charsets.UTF_8, FileWriteMode.APPEND);
chs.write("Spain\r\n");
assertThat(StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
}
@Test
public void whenAppendToFileUsingFiles_thenCorrect() throws IOException {
Files.write(Paths.get(fileName), "Spain\r\n".getBytes(), StandardOpenOption.APPEND);
@ -27,10 +57,38 @@ public class FilesTest {
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
}
@After
public void revertFile() throws IOException {
PrintWriter writer = new PrintWriter(fileName);
writer.print("UK\r\n" + "US\r\n" + "Germany\r\n");
writer.close();
@Test
public void whenAppendToFileUsingFileUtils_thenCorrect() throws IOException {
File file = new File(fileName);
FileUtils.writeStringToFile(file, "Spain\r\n", StandardCharsets.UTF_8, true);
assertThat(StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
}
@Test
public void whenAppendToFileUsingFileOutputStream_thenCorrect() throws Exception {
FileOutputStream fos = new FileOutputStream(fileName, true);
fos.write("Spain\r\n".getBytes());
fos.close();
assertThat(StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
}
@Test
public void whenAppendToFileUsingFileWriter_thenCorrect() throws IOException {
FileWriter fw = new FileWriter(fileName, true);
BufferedWriter bw = new BufferedWriter(fw);
bw.write("Spain");
bw.newLine();
bw.close();
assertThat(
StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\n");
}
}

48
core-java/src/test/java/com/baeldung/file/GuavaTest.java
View File

@ -1,48 +0,0 @@
package com.baeldung.file;
import static org.assertj.core.api.Assertions.assertThat;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.baeldung.util.StreamUtils;
import com.google.common.base.Charsets;
import com.google.common.io.CharSink;
import com.google.common.io.FileWriteMode;
import com.google.common.io.Files;
public class GuavaTest {
public static final String fileName = "src/main/resources/countries.properties";
@Before
public void setup() throws Exception {
PrintWriter writer = new PrintWriter(fileName);
writer.print("UK\r\n" + "US\r\n" + "Germany\r\n");
writer.close();
}
@Test
public void whenAppendToFileUsingGuava_thenCorrect() throws IOException {
File file = new File(fileName);
CharSink chs = Files.asCharSink(file, Charsets.UTF_8, FileWriteMode.APPEND);
chs.write("Spain\r\n");
assertThat(StreamUtils.getStringFromInputStream(
new FileInputStream(fileName)))
.isEqualTo("UK\r\n" + "US\r\n" + "Germany\r\n" + "Spain\r\n");
}
@After
public void revertFile() throws IOException {
PrintWriter writer = new PrintWriter(fileName);
writer.print("UK\r\n" + "US\r\n" + "Germany\r\n");
writer.close();
}
}

157
core-java/src/test/java/com/baeldung/jdbcrowset/JdbcRowSetTest.java Normal file
View File

@ -0,0 +1,157 @@
package com.baeldung.jdbcrowset;
import java.io.FileOutputStream;
import java.io.IOException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import javax.sql.rowset.CachedRowSet;
import javax.sql.rowset.FilteredRowSet;
import javax.sql.rowset.JdbcRowSet;
import javax.sql.rowset.JoinRowSet;
import javax.sql.rowset.RowSetFactory;
import javax.sql.rowset.RowSetProvider;
import javax.sql.rowset.WebRowSet;
import org.junit.Before;
import org.junit.Test;
import com.sun.rowset.CachedRowSetImpl;
import com.sun.rowset.JdbcRowSetImpl;
import com.sun.rowset.JoinRowSetImpl;
import com.sun.rowset.WebRowSetImpl;
public class JdbcRowSetTest {
Statement stmt = null;
String username = "sa";
String password = "";
String url = "jdbc:h2:mem:testdb";
String sql = "SELECT * FROM customers";
@Before
public void setup() throws Exception {
Connection conn = DatabaseConfiguration.geth2Connection();
String drop = "DROP TABLE IF EXISTS customers, associates;";
String schema = "CREATE TABLE customers (id INT NOT NULL, name VARCHAR(50) NOT NULL, PRIMARY KEY (id)); ";
String schemapartb = "CREATE TABLE associates (id INT NOT NULL, name VARCHAR(50) NOT NULL, PRIMARY KEY (id));";
stmt = conn.createStatement();
stmt.executeUpdate(drop);
stmt.executeUpdate(schema);
stmt.executeUpdate(schemapartb);
DatabaseConfiguration.initDatabase(stmt);
}
// JdbcRowSet Example
@Test
public void createJdbcRowSet_SelectCustomers_ThenCorrect() throws Exception {
String sql = "SELECT * FROM customers";
JdbcRowSet jdbcRS;
Connection conn = DatabaseConfiguration.geth2Connection();
jdbcRS = new JdbcRowSetImpl(conn);
jdbcRS.setType(ResultSet.TYPE_SCROLL_INSENSITIVE);
jdbcRS.setCommand(sql);
jdbcRS.execute();
jdbcRS.addRowSetListener(new ExampleListener());
while (jdbcRS.next()) {
// each call to next, generates a cursorMoved event
System.out.println("id=" + jdbcRS.getString(1));
System.out.println("name=" + jdbcRS.getString(2));
}
}
// CachedRowSet Example
@Test
public void createCachedRowSet_DeleteRecord_ThenCorrect() throws Exception {
CachedRowSet crs = new CachedRowSetImpl();
crs.setUsername(username);
crs.setPassword(password);
crs.setUrl(url);
crs.setCommand(sql);
crs.execute();
crs.addRowSetListener(new ExampleListener());
while (crs.next()) {
if (crs.getInt("id") == 1) {
System.out.println("CRS found customer1 and will remove the record.");
crs.deleteRow();
break;
}
}
}
// WebRowSet example
@Test
public void createWebRowSet_SelectCustomers_WritetoXML_ThenCorrect() throws SQLException, IOException {
WebRowSet wrs = new WebRowSetImpl();
wrs.setUsername(username);
wrs.setPassword(password);
wrs.setUrl(url);
wrs.setCommand(sql);
wrs.execute();
FileOutputStream ostream = new FileOutputStream("customers.xml");
wrs.writeXml(ostream);
}
// JoinRowSet example
@Test
public void createCachedRowSets_DoJoinRowSet_ThenCorrect() throws Exception {
CachedRowSetImpl customers = new CachedRowSetImpl();
customers.setUsername(username);
customers.setPassword(password);
customers.setUrl(url);
customers.setCommand(sql);
customers.execute();
CachedRowSetImpl associates = new CachedRowSetImpl();
associates.setUsername(username);
associates.setPassword(password);
associates.setUrl(url);
String associatesSQL = "SELECT * FROM associates";
associates.setCommand(associatesSQL);
associates.execute();
JoinRowSet jrs = new JoinRowSetImpl();
final String ID = "id";
final String NAME = "name";
jrs.addRowSet(customers, ID);
jrs.addRowSet(associates, ID);
jrs.last();
System.out.println("Total rows: " + jrs.getRow());
jrs.beforeFirst();
while (jrs.next()) {
String string1 = jrs.getString(ID);
String string2 = jrs.getString(NAME);
System.out.println("ID: " + string1 + ", NAME: " + string2);
}
}
// FilteredRowSet example
@Test
public void createFilteredRowSet_filterByRegexExpression_thenCorrect() throws Exception {
RowSetFactory rsf = RowSetProvider.newFactory();
FilteredRowSet frs = rsf.createFilteredRowSet();
frs.setCommand("select * from customers");
Connection conn = DatabaseConfiguration.geth2Connection();
frs.execute(conn);
frs.setFilter(new FilterExample("^[A-C].*"));
ResultSetMetaData rsmd = frs.getMetaData();
int columncount = rsmd.getColumnCount();
while (frs.next()) {
for (int i = 1; i <= columncount; i++) {
System.out.println(rsmd.getColumnLabel(i) + " = " + frs.getObject(i) + " ");
}
}
}
}

70
core-java/src/test/java/com/baeldung/loops/WhenUsingLoops.java
View File

@ -1,11 +1,38 @@
package com.baeldung.loops;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class WhenUsingLoops {
private LoopsInJava loops = new LoopsInJava();
private static List<String> list = new ArrayList<>();
private static Set<String> set = new HashSet<>();
private static Map<String, Integer> map = new HashMap<>();
@BeforeClass
public static void setUp() {
list.add("One");
list.add("Two");
list.add("Three");
set.add("Four");
set.add("Five");
set.add("Six");
map.put("One", 1);
map.put("Two", 2);
map.put("Three", 3);
}
@Test
public void shouldRunForLoop() {
@ -34,4 +61,47 @@ public class WhenUsingLoops {
int[] actual = loops.do_while_loop();
Assert.assertArrayEquals(expected, actual);
}
@Test
public void whenUsingSimpleFor_shouldIterateList() {
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
}
@Test
public void whenUsingEnhancedFor_shouldIterateList() {
for (String item : list) {
System.out.println(item);
}
}
@Test
public void whenUsingEnhancedFor_shouldIterateSet() {
for (String item : set) {
System.out.println(item);
}
}
@Test
public void whenUsingEnhancedFor_shouldIterateMap() {
for (Entry<String, Integer> entry : map.entrySet()) {
System.out.println("Key: " + entry.getKey() + " - " + "Value: " + entry.getValue());
}
}
@Test
public void whenUsingSimpleFor_shouldRunLabelledLoop() {
aa: for (int i = 1; i <= 3; i++) {
if (i == 1)
continue;
bb: for (int j = 1; j <= 3; j++) {
if (i == 2 && j == 2) {
break aa;
}
System.out.println(i + " " + j);
}
}
}
}

8
core-java/src/test/java/com/baeldung/nestedclass/AnonymousInnerTest.java → core-java/src/test/java/com/baeldung/nestedclass/AnonymousInner.java
View File

@ -2,10 +2,14 @@ package com.baeldung.nestedclass;
import org.junit.Test;
public class AnonymousInnerTest {
abstract class SimpleAbstractClass {
abstract void run();
}
public class AnonymousInner {
@Test
public void whenRunAnonymousClass_thenCorrect() {
public void run() {
SimpleAbstractClass simpleAbstractClass = new SimpleAbstractClass() {
void run() {
System.out.println("Running Anonymous Class...");

21
core-java/src/test/java/com/baeldung/nestedclass/Enclosing.java Normal file
View File

@ -0,0 +1,21 @@
package com.baeldung.nestedclass;
import org.junit.Test;
public class Enclosing {
private static int x = 1;
public static class StaticNested {
private void run() {
System.out.println("x = " + x);
}
}
@Test
public void test() {
Enclosing.StaticNested nested = new Enclosing.StaticNested();
nested.run();
}
}

13
core-java/src/test/java/com/baeldung/nestedclass/InnerClassTest.java
View File

@ -1,13 +0,0 @@
package com.baeldung.nestedclass;
import org.junit.Test;
public class InnerClassTest {
@Test
public void givenInnerClassWhenInstantiating_thenCorrect() {
Outer outer = new Outer();
Outer.Inner inner = outer.new Inner();
inner.test();
}
}

12
core-java/src/test/java/com/baeldung/nestedclass/LocalClassTest.java
View File

@ -1,12 +0,0 @@
package com.baeldung.nestedclass;
import org.junit.Test;
public class LocalClassTest {
@Test
public void whenTestingLocalClass_thenCorrect() {
NewEnclosing newEnclosing = new NewEnclosing();
newEnclosing.run();
}
}

12
core-java/src/test/java/com/baeldung/nestedclass/NestedClassTest.java
View File

@ -1,12 +0,0 @@
package com.baeldung.nestedclass;
import org.junit.Test;
public class NestedClassTest {
@Test
public void whenInstantiatingStaticNestedClass_thenCorrect() {
Enclosing.Nested nested = new Enclosing.Nested();
nested.test();
}
}

11
core-java/src/main/java/com/baeldung/nestedclass/NewEnclosing.java → core-java/src/test/java/com/baeldung/nestedclass/NewEnclosing.java
View File

@ -1,10 +1,11 @@
package com.baeldung.nestedclass;
import org.junit.Test;
public class NewEnclosing {
void run() {
private void run() {
class Local {
void run() {
System.out.println("Welcome to Baeldung!");
}
@ -12,4 +13,10 @@ public class NewEnclosing {
Local local = new Local();
local.run();
}
@Test
public void test() {
NewEnclosing newEnclosing = new NewEnclosing();
newEnclosing.run();
}
}

30
core-java/src/test/java/com/baeldung/nestedclass/NewOuter.java Normal file
View File

@ -0,0 +1,30 @@
package com.baeldung.nestedclass;
import org.junit.Test;
public class NewOuter {
int a = 1;
static int b = 2;
public class InnerClass {
int a = 3;
static final int b = 4;
public void run() {
System.out.println("a = " + a);
System.out.println("b = " + b);
System.out.println("NewOuterTest.this.a = " + NewOuter.this.a);
System.out.println("NewOuterTest.b = " + NewOuter.b);
System.out.println("NewOuterTest.this.b = " + NewOuter.this.b);
}
}
@Test
public void test() {
NewOuter outer = new NewOuter();
NewOuter.InnerClass inner = outer.new InnerClass();
inner.run();
}
}

32
core-java/src/test/java/com/baeldung/nestedclass/NewOuterTest.java
View File

@ -1,32 +0,0 @@
package com.baeldung.nestedclass;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class NewOuterTest {
int a = 1;
static int b = 2;
public class InnerClass {
int a = 3;
static final int b = 4;
@Test
public void whenShadowing_thenCorrect() {
assertEquals(3, a);
assertEquals(4, b);
assertEquals(1, NewOuterTest.this.a);
assertEquals(2, NewOuterTest.b);
assertEquals(2, NewOuterTest.this.b);
}
}
@Test
public void shadowingTest() {
NewOuterTest outer = new NewOuterTest();
NewOuterTest.InnerClass inner = outer.new InnerClass();
inner.whenShadowing_thenCorrect();
}
}

20
core-java/src/test/java/com/baeldung/nestedclass/Outer.java Normal file
View File

@ -0,0 +1,20 @@
package com.baeldung.nestedclass;
import org.junit.Test;
public class Outer {
public class Inner {
public void run() {
System.out.println("Calling test...");
}
}
@Test
public void test() {
Outer outer = new Outer();
Outer.Inner inner = outer.new Inner();
inner.run();
}
}

34
core-java/src/test/java/com/baeldung/polymorphism/PolymorphismUnitTest.java Normal file
View File

@ -0,0 +1,34 @@
package com.baeldung.polymorphism;
import static org.junit.Assert.*;
import java.awt.image.BufferedImage;
import org.junit.Ignore;
import org.junit.Test;
public class PolymorphismUnitTest {
@Test
public void givenImageFile_whenFileCreated_shouldSucceed() {
ImageFile imageFile = FileManager.createImageFile("SampleImageFile", 200, 100, new BufferedImage(100, 200, BufferedImage.TYPE_INT_RGB).toString()
.getBytes(), "v1.0.0");
assertEquals(200, imageFile.getHeight());
}
// Downcasting then Upcasting
@Test
public void givenTextFile_whenTextFileCreatedAndAssignedToGenericFileAndCastBackToTextFileOnGetWordCount_shouldSucceed() {
GenericFile textFile = FileManager.createTextFile("SampleTextFile", "This is a sample text content", "v1.0.0");
TextFile textFile2 = (TextFile) textFile;
assertEquals(6, textFile2.getWordCount());
}
// Downcasting
@Test(expected = ClassCastException.class)
public void givenGenericFile_whenCastToTextFileAndInvokeGetWordCount_shouldFail() {
GenericFile genericFile = new GenericFile();
TextFile textFile = (TextFile) genericFile;
System.out.println(textFile.getWordCount());
}
}

60
core-java/src/test/java/com/baeldung/varargs/FormatterTest.java Normal file
View File

@ -0,0 +1,60 @@
package com.baeldung.varargs;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
public class FormatterTest {
private final static String FORMAT = "%s %s %s";
@Test
public void givenNoArgument_thenEmptyAndTwoSpacesAreReturned() {
String actualResult = format();
assertThat(actualResult, is("empty "));
}
@Test
public void givenOneArgument_thenResultHasTwoTrailingSpace() {
String actualResult = format("baeldung");
assertThat(actualResult, is("baeldung "));
}
@Test
public void givenTwoArguments_thenOneTrailingSpaceExists() {
String actualResult = format("baeldung", "rocks");
assertThat(actualResult, is("baeldung rocks "));
}
@Test
public void givenMoreThanThreeArguments_thenTheFirstThreeAreUsed() {
String actualResult = formatWithVarArgs("baeldung", "rocks", "java", "and", "spring");
assertThat(actualResult, is("baeldung rocks java"));
}
public String format() {
return format("empty", "");
}
public String format(String value) {
return format(value, "");
}
public String format(String val1, String val2) {
return String.format(FORMAT, val1, val2, "");
}
public String formatWithVarArgs(String... values) {
if (values.length == 0) {
return "no arguments given";
}
return String.format(FORMAT, values);
}
}

2
guava-modules/guava-18/pom.xml
View File

@ -11,7 +11,7 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../</relativePath>
<relativePath>../../</relativePath>
</parent>
<dependencies>

2
guava-modules/guava-19/pom.xml
View File

@ -11,7 +11,7 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../</relativePath>
<relativePath>../../</relativePath>
</parent>
<dependencies>

2
guava-modules/guava-21/pom.xml
View File

@ -11,7 +11,7 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../</relativePath>
<relativePath>../../</relativePath>
</parent>
<dependencies>

22
hibernate5/pom.xml
View File

@ -17,12 +17,15 @@
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- Maven plugins -->
<maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
</properties>
<hibernate.version>5.2.12.Final</hibernate.version>
<mysql.version>6.0.6</mysql.version>
<mariaDB4j.version>2.2.3</mariaDB4j.version>
</properties>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.12.Final</version>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
@ -40,6 +43,21 @@
<artifactId>h2</artifactId>
<version>1.4.194</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-spatial</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<groupId>ch.vorburger.mariaDB4j</groupId>
<artifactId>mariaDB4j</artifactId>
<version>${mariaDB4j.version}</version>
</dependency>
</dependencies>
<build>
<finalName>hibernate5</finalName>

14
hibernate5/src/main/java/com/baeldung/hibernate/HibernateUtil.java
View File

@ -5,6 +5,7 @@ import com.baeldung.hibernate.pojo.EntityDescription;
import com.baeldung.hibernate.pojo.OrderEntry;
import com.baeldung.hibernate.pojo.OrderEntryIdClass;
import com.baeldung.hibernate.pojo.OrderEntryPK;
import com.baeldung.hibernate.pojo.PointEntity;
import com.baeldung.hibernate.pojo.Product;
import com.baeldung.hibernate.pojo.Phone;
import com.baeldung.hibernate.pojo.TemporalValues;
@ -23,6 +24,7 @@ import com.baeldung.hibernate.pojo.inheritance.Person;
import com.baeldung.hibernate.pojo.inheritance.Pet;
import com.baeldung.hibernate.pojo.inheritance.Vehicle;
import org.apache.commons.lang3.StringUtils;
import org.hibernate.SessionFactory;
import org.hibernate.boot.Metadata;
import org.hibernate.boot.MetadataSources;
@ -36,8 +38,14 @@ import java.util.Properties;
public class HibernateUtil {
private static SessionFactory sessionFactory;
private static String PROPERTY_FILE_NAME;
public static SessionFactory getSessionFactory() throws IOException {
return getSessionFactory(null);
}
public static SessionFactory getSessionFactory(String propertyFileName) throws IOException {
PROPERTY_FILE_NAME = propertyFileName;
if (sessionFactory == null) {
ServiceRegistry serviceRegistry = configureServiceRegistry();
sessionFactory = makeSessionFactory(serviceRegistry);
@ -70,6 +78,7 @@ public class HibernateUtil {
metadataSources.addAnnotatedClass(Vehicle.class);
metadataSources.addAnnotatedClass(Car.class);
metadataSources.addAnnotatedClass(Bag.class);
metadataSources.addAnnotatedClass(PointEntity.class);
Metadata metadata = metadataSources.buildMetadata();
return metadata.getSessionFactoryBuilder()
@ -86,12 +95,11 @@ public class HibernateUtil {
private static Properties getProperties() throws IOException {
Properties properties = new Properties();
URL propertiesURL = Thread.currentThread()
.getContextClassLoader()
.getResource("hibernate.properties");
.getContextClassLoader()
.getResource(StringUtils.defaultString(PROPERTY_FILE_NAME, "hibernate.properties"));
try (FileInputStream inputStream = new FileInputStream(propertiesURL.getFile())) {
properties.load(inputStream);
}
return properties;
}
}

41
hibernate5/src/main/java/com/baeldung/hibernate/pojo/PointEntity.java Normal file
View File

@ -0,0 +1,41 @@
package com.baeldung.hibernate.pojo;
import com.vividsolutions.jts.geom.Point;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
@Entity
public class PointEntity {
@Id
@GeneratedValue
private Long id;
private Point point;
public PointEntity() {
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Point getPoint() {
return point;
}
public void setPoint(Point point) {
this.point = point;
}
@Override
public String toString() {
return "PointEntity{" + "id=" + id + ", point=" + point + '}';
}
}

97
hibernate5/src/test/java/com/baeldung/hibernate/HibernateSpatialTest.java Normal file
View File

@ -0,0 +1,97 @@
package com.baeldung.hibernate;
import com.baeldung.hibernate.pojo.PointEntity;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.Point;
import com.vividsolutions.jts.io.ParseException;
import com.vividsolutions.jts.io.WKTReader;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import javax.persistence.Query;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class HibernateSpatialTest {
private Session session;
private Transaction transaction;
@Before
public void setUp() throws IOException {
session = HibernateUtil.getSessionFactory("hibernate-spatial.properties")
.openSession();
transaction = session.beginTransaction();
}
@After
public void tearDown() {
transaction.rollback();
session.close();
}
@Test
public void shouldConvertWktToGeometry() throws ParseException {
Geometry geometry = wktToGeometry("POINT (2 5)");
assertEquals("Point", geometry.getGeometryType());
assertTrue(geometry instanceof Point);
}
@Test
public void shouldInsertAndSelectPoints() throws ParseException {
PointEntity entity = new PointEntity();
entity.setPoint((Point) wktToGeometry("POINT (1 1)"));
session.persist(entity);
PointEntity fromDb = session.find(PointEntity.class, entity.getId());
assertEquals("POINT (1 1)", fromDb.getPoint().toString());
}
@Test
public void shouldSelectDisjointPoints() throws ParseException {
insertPoint("POINT (1 2)");
insertPoint("POINT (3 4)");
insertPoint("POINT (5 6)");
Point point = (Point) wktToGeometry("POINT (3 4)");
Query query = session.createQuery("select p from PointEntity p "
+ "where disjoint(p.point, :point) = true", PointEntity.class);
query.setParameter("point", point);
assertEquals("POINT (1 2)", ((PointEntity) query.getResultList().get(0)).getPoint().toString());
assertEquals("POINT (5 6)", ((PointEntity) query.getResultList().get(1)).getPoint().toString());
}
@Test
public void shouldSelectAllPointsWithinPolygon() throws ParseException {
insertPoint("POINT (1 1)");
insertPoint("POINT (1 2)");
insertPoint("POINT (3 4)");
insertPoint("POINT (5 6)");
Query query = session.createQuery("select p from PointEntity p where within(p.point, :area) = true",
PointEntity.class);
query.setParameter("area", wktToGeometry("POLYGON((0 0, 0 5, 5 5, 5 0, 0 0))"));
assertEquals(3, query.getResultList().size());
assertEquals("POINT (1 1)", ((PointEntity) query.getResultList().get(0)).getPoint().toString());
assertEquals("POINT (1 2)", ((PointEntity) query.getResultList().get(1)).getPoint().toString());
assertEquals("POINT (3 4)", ((PointEntity) query.getResultList().get(2)).getPoint().toString());
}
private void insertPoint(String point) throws ParseException {
PointEntity entity = new PointEntity();
entity.setPoint((Point) wktToGeometry(point));
session.persist(entity);
}
private Geometry wktToGeometry(String wellKnownText) throws ParseException {
WKTReader fromText = new WKTReader();
Geometry geom = null;
geom = fromText.read(wellKnownText);
return geom;
}
}

10
hibernate5/src/test/resources/hibernate-spatial.properties Normal file
View File

@ -0,0 +1,10 @@
hibernate.dialect=org.hibernate.spatial.dialect.mysql.MySQL56SpatialDialect
hibernate.connection.driver_class=com.mysql.jdbc.Driver
hibernate.connection.url=jdbc:mysql://localhost:3306/hibernate-spatial
hibernate.connection.username=root
hibernate.connection.password=pass
hibernate.connection.pool_size=5
hibernate.show_sql=true
hibernate.format_sql=true
hibernate.max_fetch_depth=5
hibernate.hbm2ddl.auto=create-drop

2
libraries/pom.xml
View File

@ -711,4 +711,4 @@
<hazelcast.version>3.8.4</hazelcast.version>
<caffeine.version>2.5.5</caffeine.version>
</properties>
</project>
</project>

2
logging-modules/log-mdc/pom.xml
View File

@ -12,7 +12,7 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../</relativePath>
<relativePath>../../</relativePath>
</parent>
<dependencies>

1
logging-modules/log4j/README.md
View File

@ -2,6 +2,5 @@
- [Introduction to Java Logging](http://www.baeldung.com/java-logging-intro)
- [Introduction to SLF4J](http://www.baeldung.com/slf4j-with-log4j2-logback)
- [Generate equals() and hashCode() with Eclipse](http://www.baeldung.com/java-eclipse-equals-and-hashcode)
- [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java)
- [Introduction to SLF4J](http://www.baeldung.com/slf4j-with-log4j2-logback)
- [A Guide to Rolling File Appenders](http://www.baeldung.com/java-logging-rolling-file-appenders)

2
logging-modules/log4j/pom.xml
View File

@ -11,7 +11,7 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../</relativePath>
<relativePath>../../</relativePath>
</parent>
<dependencies>

2
logging-modules/log4j2/pom.xml
View File

@ -9,7 +9,7 @@
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
<relativePath>../</relativePath>
<relativePath>../../</relativePath>
</parent>
<dependencies>

2
lucene/pom.xml
View File

@ -31,7 +31,5 @@
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

54
lucene/src/main/java/com/baeldung/lucene/InMemoryLuceneIndex.java
View File

@ -7,18 +7,22 @@ import java.util.List;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.SortedDocValuesField;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.Term;
import org.apache.lucene.queryparser.classic.ParseException;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.Sort;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.BytesRef;
public class InMemoryLuceneIndex {
@ -45,6 +49,7 @@ public class InMemoryLuceneIndex {
document.add(new TextField("title", title, Field.Store.YES));
document.add(new TextField("body", body, Field.Store.YES));
document.add(new SortedDocValuesField("title", new BytesRef(title)));
writter.addDocument(document);
writter.close();
@ -73,6 +78,51 @@ public class InMemoryLuceneIndex {
}
public void deleteDocument(Term term) {
try {
IndexWriterConfig indexWriterConfig = new IndexWriterConfig(analyzer);
IndexWriter writter = new IndexWriter(memoryIndex, indexWriterConfig);
writter.deleteDocuments(term);
writter.close();
} catch (IOException e) {
e.printStackTrace();
}
}
public List<Document> searchIndex(Query query) {
try {
IndexReader indexReader = DirectoryReader.open(memoryIndex);
IndexSearcher searcher = new IndexSearcher(indexReader);
TopDocs topDocs = searcher.search(query, 10);
List<Document> documents = new ArrayList<>();
for (ScoreDoc scoreDoc : topDocs.scoreDocs) {
documents.add(searcher.doc(scoreDoc.doc));
}
return documents;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
public List<Document> searchIndex(Query query, Sort sort) {
try {
IndexReader indexReader = DirectoryReader.open(memoryIndex);
IndexSearcher searcher = new IndexSearcher(indexReader);
TopDocs topDocs = searcher.search(query, 10, sort);
List<Document> documents = new ArrayList<>();
for (ScoreDoc scoreDoc : topDocs.scoreDocs) {
documents.add(searcher.doc(scoreDoc.doc));
}
return documents;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}

131
lucene/src/test/java/com/baeldung/lucene/LuceneInMemorySearchTest.java
View File

@ -4,7 +4,19 @@ import java.util.List;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.FuzzyQuery;
import org.apache.lucene.search.PhraseQuery;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.Sort;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.WildcardQuery;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.BytesRef;
import org.junit.Assert;
import org.junit.Test;
@ -20,4 +32,121 @@ public class LuceneInMemorySearchTest {
Assert.assertEquals("Hello world", documents.get(0).get("title"));
}
}
@Test
public void givenTermQueryWhenFetchedDocumentThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("activity", "running in track");
inMemoryLuceneIndex.indexDocument("activity", "Cars are running on road");
Term term = new Term("body", "running");
Query query = new TermQuery(term);
List<Document> documents = inMemoryLuceneIndex.searchIndex(query);
Assert.assertEquals(2, documents.size());
}
@Test
public void givenPrefixQueryWhenFetchedDocumentThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("article", "Lucene introduction");
inMemoryLuceneIndex.indexDocument("article", "Introduction to Lucene");
Term term = new Term("body", "intro");
Query query = new PrefixQuery(term);
List<Document> documents = inMemoryLuceneIndex.searchIndex(query);
Assert.assertEquals(2, documents.size());
}
@Test
public void givenBooleanQueryWhenFetchedDocumentThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("Destination", "Las Vegas singapore car");
inMemoryLuceneIndex.indexDocument("Commutes in singapore", "Bus Car Bikes");
Term term1 = new Term("body", "singapore");
Term term2 = new Term("body", "car");
TermQuery query1 = new TermQuery(term1);
TermQuery query2 = new TermQuery(term2);
BooleanQuery booleanQuery = new BooleanQuery.Builder().add(query1, BooleanClause.Occur.MUST)
.add(query2, BooleanClause.Occur.MUST).build();
List<Document> documents = inMemoryLuceneIndex.searchIndex(booleanQuery);
Assert.assertEquals(1, documents.size());
}
@Test
public void givenPhraseQueryWhenFetchedDocumentThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("quotes", "A rose by any other name would smell as sweet.");
Query query = new PhraseQuery(1, "body", new BytesRef("smell"), new BytesRef("sweet"));
List<Document> documents = inMemoryLuceneIndex.searchIndex(query);
Assert.assertEquals(1, documents.size());
}
@Test
public void givenFuzzyQueryWhenFetchedDocumentThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("article", "Halloween Festival");
inMemoryLuceneIndex.indexDocument("decoration", "Decorations for Halloween");
Term term = new Term("body", "hallowen");
Query query = new FuzzyQuery(term);
List<Document> documents = inMemoryLuceneIndex.searchIndex(query);
Assert.assertEquals(2, documents.size());
}
@Test
public void givenWildCardQueryWhenFetchedDocumentThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("article", "Lucene introduction");
inMemoryLuceneIndex.indexDocument("article", "Introducing Lucene with Spring");
Term term = new Term("body", "intro*");
Query query = new WildcardQuery(term);
List<Document> documents = inMemoryLuceneIndex.searchIndex(query);
Assert.assertEquals(2, documents.size());
}
@Test
public void givenSortFieldWhenSortedThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("Ganges", "River in India");
inMemoryLuceneIndex.indexDocument("Mekong", "This river flows in south Asia");
inMemoryLuceneIndex.indexDocument("Amazon", "Rain forest river");
inMemoryLuceneIndex.indexDocument("Rhine", "Belongs to Europe");
inMemoryLuceneIndex.indexDocument("Nile", "Longest River");
Term term = new Term("body", "river");
Query query = new WildcardQuery(term);
SortField sortField = new SortField("title", SortField.Type.STRING_VAL, false);
Sort sortByTitle = new Sort(sortField);
List<Document> documents = inMemoryLuceneIndex.searchIndex(query, sortByTitle);
Assert.assertEquals(4, documents.size());
Assert.assertEquals("Amazon", documents.get(0).getField("title").stringValue());
}
@Test
public void whenDocumentDeletedThenCorrect() {
InMemoryLuceneIndex inMemoryLuceneIndex = new InMemoryLuceneIndex(new RAMDirectory(), new StandardAnalyzer());
inMemoryLuceneIndex.indexDocument("Ganges", "River in India");
inMemoryLuceneIndex.indexDocument("Mekong", "This river flows in south Asia");
Term term = new Term("title", "ganges");
inMemoryLuceneIndex.deleteDocument(term);
Query query = new TermQuery(term);
List<Document> documents = inMemoryLuceneIndex.searchIndex(query);
Assert.assertEquals(0, documents.size());
}
}

1
muleesb/.gitignore vendored Normal file
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@ -0,0 +1 @@
# Add any directories, files, or patterns you don't want to be tracked by version control

1
muleesb/.mule/objectstore/b2fe1a90-c473-11e7-8eb5-98e7f44e8ac8/partition-descriptor Normal file
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@ -0,0 +1 @@
DEFAULT_PARTITION

0
muleesb/.mule/queue-tx-log/tx1.log Normal file
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0
muleesb/.mule/queue-tx-log/tx2.log Normal file
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0
muleesb/.mule/queue-xa-tx-log/tx1.log Normal file
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muleesb/.mule/queue-xa-tx-log/tx2.log Normal file
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