Merge branch 'master' of https://github.com/eugenp/tutorials
This commit is contained in:
Dassi Orleando
commit
6d36470a65
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@ -1,9 +1,14 @@
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The "REST with Spring" Classes
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==============================
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After 5 months of work, here's the Master Class of REST With Spring: <br/>
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**[>> 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)**
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And here's the Master Class of Learn Spring Security: <br/>
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**[>> 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)**
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Spring Tutorials
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================
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@ -0,0 +1,33 @@
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package com.baeldung.concurrent.waitandnotify;
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public class Data {
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private String packet;
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// True if receiver should wait
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// False if sender should wait
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private boolean transfer = true;
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public synchronized String receive() {
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while (transfer) {
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try {
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wait();
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} catch (InterruptedException e) {}
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}
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transfer = true;
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notifyAll();
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return packet;
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}
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public synchronized void send(String packet) {
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while (!transfer) {
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try {
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wait();
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} catch (InterruptedException e) {}
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}
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transfer = false;
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this.packet = packet;
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notifyAll();
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}
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}
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@ -0,0 +1,12 @@
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package com.baeldung.concurrent.waitandnotify;
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public class NetworkDriver {
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public static void main(String[] args) {
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Data data = new Data();
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Thread sender = new Thread(new Sender(data));
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Thread receiver = new Thread(new Receiver(data));
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sender.start();
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receiver.start();
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}
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}
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package com.baeldung.concurrent.waitandnotify;
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import java.util.concurrent.ThreadLocalRandom;
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public class Receiver implements Runnable {
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private Data load;
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public Receiver(Data load) {
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this.load = load;
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}
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public void run() {
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for(String receivedMessage = load.receive();
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!"End".equals(receivedMessage) ;
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receivedMessage = load.receive()) {
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System.out.println(receivedMessage);
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//Thread.sleep() to mimic heavy server-side processing
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try {
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Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
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} catch (InterruptedException e) {}
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}
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}
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}
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package com.baeldung.concurrent.waitandnotify;
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import java.util.concurrent.ThreadLocalRandom;
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public class Sender implements Runnable {
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private Data data;
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public Sender(Data data) {
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this.data = data;
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}
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public void run() {
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String packets[] = {
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"First packet",
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"Second packet",
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"Third packet",
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"Fourth packet",
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"End"
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};
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for (String packet : packets) {
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data.send(packet);
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//Thread.sleep() to mimic heavy server-side processing
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try {
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Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
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} catch (InterruptedException e) {}
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}
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}
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}
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@ -0,0 +1,65 @@
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package com.baeldung.concurrent.waitandnotify;
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import static org.junit.Assert.assertEquals;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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public class NetworkIntegrationTest {
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private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
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private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
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private String expected;
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@Before
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public void setUpStreams() {
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System.setOut(new PrintStream(outContent));
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System.setErr(new PrintStream(errContent));
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}
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@Before
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public void setUpExpectedOutput() {
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StringWriter expectedStringWriter = new StringWriter();
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PrintWriter printWriter = new PrintWriter(expectedStringWriter);
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printWriter.println("First packet");
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printWriter.println("Second packet");
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printWriter.println("Third packet");
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printWriter.println("Fourth packet");
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printWriter.close();
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expected = expectedStringWriter.toString();
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}
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@After
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public void cleanUpStreams() {
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System.setOut(null);
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System.setErr(null);
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}
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@Test
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public void givenSenderAndReceiver_whenSendingPackets_thenNetworkSynchronized() {
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Data data = new Data();
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Thread sender = new Thread(new Sender(data));
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Thread receiver = new Thread(new Receiver(data));
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sender.start();
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receiver.start();
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//wait for sender and receiver to finish before we test against expected
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try {
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sender.join();
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receiver.join();
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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assertEquals(expected, outContent.toString());
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}
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}
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package com.baeldung.polymorphism;
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import java.awt.image.BufferedImage;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class FileManager {
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final static Logger logger = LoggerFactory.getLogger(FileManager.class);
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public static void main(String[] args) {
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GenericFile file1 = new TextFile("SampleTextFile", "This is a sample text content", "v1.0.0");
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logger.info("File Info: \n" + file1.getFileInfo() + "\n");
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ImageFile imageFile = new ImageFile("SampleImageFile", 200, 100, new BufferedImage(100, 200, BufferedImage.TYPE_INT_RGB).toString()
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.getBytes(), "v1.0.0");
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logger.info("File Info: \n" + imageFile.getFileInfo());
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}
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public static ImageFile createImageFile(String name, int height, int width, byte[] content, String version) {
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ImageFile imageFile = new ImageFile(name, height, width, content, version);
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logger.info("File 2 Info: \n" + imageFile.getFileInfo());
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return imageFile;
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}
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public static GenericFile createTextFile(String name, String content, String version) {
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GenericFile file1 = new TextFile(name, content, version);
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logger.info("File 1 Info: \n" + file1.getFileInfo() + "\n");
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return file1;
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}
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public static TextFile createTextFile2(String name, String content, String version) {
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TextFile file1 = new TextFile(name, content, version);
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logger.info("File 1 Info: \n" + file1.getFileInfo() + "\n");
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return file1;
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}
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}
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package com.baeldung.polymorphism;
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import java.util.Date;
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public class GenericFile {
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private String name;
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private String extension;
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private Date dateCreated;
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private String version;
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private byte[] content;
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public GenericFile() {
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this.setDateCreated(new Date());
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getExtension() {
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return extension;
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}
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public void setExtension(String extension) {
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this.extension = extension;
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}
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public Date getDateCreated() {
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return dateCreated;
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}
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public void setDateCreated(Date dateCreated) {
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this.dateCreated = dateCreated;
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}
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public String getVersion() {
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return version;
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}
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public void setVersion(String version) {
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this.version = version;
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}
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public byte[] getContent() {
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return content;
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}
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public void setContent(byte[] content) {
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this.content = content;
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}
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public String getFileInfo() {
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return "File Name: " + this.getName() + "\n" + "Extension: " + this.getExtension() + "\n" + "Date Created: " + this.getDateCreated() + "\n" + "Version: " + this.getVersion() + "\n";
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}
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public Object read() {
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return content;
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}
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}
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package com.baeldung.polymorphism;
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public class ImageFile extends GenericFile {
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private int height;
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private int width;
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public ImageFile(String name, int height, int width, byte[] content, String version) {
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this.setHeight(height);
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this.setWidth(width);
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this.setContent(content);
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this.setName(name);
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this.setVersion(version);
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this.setExtension(".jpg");
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}
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public int getHeight() {
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return height;
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}
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public void setHeight(int height) {
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this.height = height;
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}
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public int getWidth() {
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return width;
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}
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public void setWidth(int width) {
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this.width = width;
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}
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public String getFileInfo() {
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return super.getFileInfo() + "Height: " + this.getHeight() + "\n" + "Width: " + this.getWidth();
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}
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public String read() {
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return this.getContent()
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.toString();
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}
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}
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package com.baeldung.polymorphism;
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public class TextFile extends GenericFile {
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private int wordCount;
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public TextFile(String name, String content, String version) {
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String[] words = content.split(" ");
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this.setWordCount(words.length > 0 ? words.length : 1);
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this.setContent(content.getBytes());
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this.setName(name);
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this.setVersion(version);
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this.setExtension(".txt");
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}
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public int getWordCount() {
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return wordCount;
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}
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public void setWordCount(int wordCount) {
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this.wordCount = wordCount;
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}
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public String getFileInfo() {
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return super.getFileInfo() + "Word Count: " + wordCount;
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}
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public String read() {
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return this.getContent()
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.toString();
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}
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public String read(int limit) {
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return this.getContent()
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.toString()
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.substring(0, limit);
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}
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public String read(int start, int stop) {
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return this.getContent()
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.toString()
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.substring(start, stop);
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}
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}
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@ -0,0 +1,34 @@
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package com.baeldung.polymorphism;
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import static org.junit.Assert.*;
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import java.awt.image.BufferedImage;
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import org.junit.Ignore;
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import org.junit.Test;
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public class PolymorphismUnitTest {
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@Test
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public void givenImageFile_whenFileCreated_shouldSucceed() {
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ImageFile imageFile = FileManager.createImageFile("SampleImageFile", 200, 100, new BufferedImage(100, 200, BufferedImage.TYPE_INT_RGB).toString()
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.getBytes(), "v1.0.0");
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assertEquals(200, imageFile.getHeight());
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}
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// Downcasting then Upcasting
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@Test
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public void givenTextFile_whenTextFileCreatedAndAssignedToGenericFileAndCastBackToTextFileOnGetWordCount_shouldSucceed() {
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GenericFile textFile = FileManager.createTextFile("SampleTextFile", "This is a sample text content", "v1.0.0");
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TextFile textFile2 = (TextFile) textFile;
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assertEquals(6, textFile2.getWordCount());
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}
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// Downcasting
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@Test(expected = ClassCastException.class)
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public void givenGenericFile_whenCastToTextFileAndInvokeGetWordCount_shouldFail() {
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GenericFile genericFile = new GenericFile();
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TextFile textFile = (TextFile) genericFile;
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System.out.println(textFile.getWordCount());
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}
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}
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@ -5,12 +5,13 @@ import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.web.support.SpringBootServletInitializer;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.FilterType;
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@Configuration
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@EnableAutoConfiguration
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@ComponentScan(excludeFilters = { @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.voter.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleauthproviders.*"),
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@ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multiplelogin.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleentrypoints.*") })
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@ComponentScan({ "org.baeldung.config", "org.baeldung.persistence", "org.baeldung.security", "org.baeldung.web" })
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// @ComponentScan(excludeFilters = { @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.voter.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleauthproviders.*"),
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// @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multiplelogin.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleentrypoints.*"),
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// @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.rolesauthorities.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.acl.*") })
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public class Application extends SpringBootServletInitializer {
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||||
public static void main(String[] args) {
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SpringApplication.run(Application.class, args);
|
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|
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