Merge pull request #17 from eugenp/master

merge from eugenp master
This commit is contained in:
pandachris 2019-02-06 11:06:03 +07:00 committed by GitHub
commit c3680c228a
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485 changed files with 11732 additions and 1370 deletions

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@ -0,0 +1,46 @@
package com.baeldung.algorithms.enumstatemachine;
public enum LeaveRequestState {
Submitted {
@Override
public LeaveRequestState nextState() {
System.out.println("Starting the Leave Request and sending to Team Leader for approval.");
return Escalated;
}
@Override
public String responsiblePerson() {
return "Employee";
}
},
Escalated {
@Override
public LeaveRequestState nextState() {
System.out.println("Reviewing the Leave Request and escalating to Department Manager.");
return Approved;
}
@Override
public String responsiblePerson() {
return "Team Leader";
}
},
Approved {
@Override
public LeaveRequestState nextState() {
System.out.println("Approving the Leave Request.");
return this;
}
@Override
public String responsiblePerson() {
return "Department Manager";
}
};
public abstract String responsiblePerson();
public abstract LeaveRequestState nextState();
}

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@ -0,0 +1,37 @@
package com.baeldung.algorithms.enumstatemachine;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class LeaveRequestStateUnitTest {
@Test
public void givenLeaveRequest_whenStateEscalated_thenResponsibleIsTeamLeader() {
LeaveRequestState state = LeaveRequestState.Escalated;
assertEquals(state.responsiblePerson(), "Team Leader");
}
@Test
public void givenLeaveRequest_whenStateApproved_thenResponsibleIsDepartmentManager() {
LeaveRequestState state = LeaveRequestState.Approved;
assertEquals(state.responsiblePerson(), "Department Manager");
}
@Test
public void givenLeaveRequest_whenNextStateIsCalled_thenStateIsChanged() {
LeaveRequestState state = LeaveRequestState.Submitted;
state = state.nextState();
assertEquals(state, LeaveRequestState.Escalated);
state = state.nextState();
assertEquals(state, LeaveRequestState.Approved);
state = state.nextState();
assertEquals(state, LeaveRequestState.Approved);
}
}

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@ -14,13 +14,7 @@ import org.apache.kafka.common.serialization.StringDeserializer;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaPairRDD;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.function.FlatMapFunction;
import org.apache.spark.api.java.function.Function;
import org.apache.spark.api.java.function.Function2;
import org.apache.spark.api.java.function.PairFunction;
import org.apache.spark.api.java.function.VoidFunction;
import org.apache.spark.streaming.Durations;
import org.apache.spark.streaming.api.java.JavaDStream;
import org.apache.spark.streaming.api.java.JavaInputDStream;
@ -59,17 +53,17 @@ public class WordCountingApp {
JavaInputDStream<ConsumerRecord<String, String>> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies.<String, String> Subscribe(topics, kafkaParams));
JavaPairDStream<String, String> results = messages.mapToPair((PairFunction<ConsumerRecord<String, String>, String, String>) record -> new Tuple2<>(record.key(), record.value()));
JavaPairDStream<String, String> results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value()));
JavaDStream<String> lines = results.map((Function<Tuple2<String, String>, String>) tuple2 -> tuple2._2());
JavaDStream<String> lines = results.map(tuple2 -> tuple2._2());
JavaDStream<String> words = lines.flatMap((FlatMapFunction<String, String>) x -> Arrays.asList(x.split("\\s+"))
JavaDStream<String> words = lines.flatMap(x -> Arrays.asList(x.split("\\s+"))
.iterator());
JavaPairDStream<String, Integer> wordCounts = words.mapToPair((PairFunction<String, String, Integer>) s -> new Tuple2<>(s, 1))
.reduceByKey((Function2<Integer, Integer, Integer>) (i1, i2) -> i1 + i2);
JavaPairDStream<String, Integer> wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1))
.reduceByKey((i1, i2) -> i1 + i2);
wordCounts.foreachRDD((VoidFunction<JavaPairRDD<String, Integer>>) javaRdd -> {
wordCounts.foreachRDD(javaRdd -> {
Map<String, Integer> wordCountMap = javaRdd.collectAsMap();
for (String key : wordCountMap.keySet()) {
List<Word> wordList = Arrays.asList(new Word(key, wordCountMap.get(key)));

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@ -16,15 +16,8 @@ import org.apache.log4j.Logger;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.api.java.Optional;
import org.apache.spark.api.java.function.FlatMapFunction;
import org.apache.spark.api.java.function.Function;
import org.apache.spark.api.java.function.Function2;
import org.apache.spark.api.java.function.Function3;
import org.apache.spark.api.java.function.PairFunction;
import org.apache.spark.api.java.function.VoidFunction;
import org.apache.spark.streaming.Durations;
import org.apache.spark.streaming.State;
import org.apache.spark.streaming.StateSpec;
import org.apache.spark.streaming.api.java.JavaDStream;
import org.apache.spark.streaming.api.java.JavaInputDStream;
@ -71,24 +64,24 @@ public class WordCountingAppWithCheckpoint {
JavaInputDStream<ConsumerRecord<String, String>> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies.<String, String> Subscribe(topics, kafkaParams));
JavaPairDStream<String, String> results = messages.mapToPair((PairFunction<ConsumerRecord<String, String>, String, String>) record -> new Tuple2<>(record.key(), record.value()));
JavaPairDStream<String, String> results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value()));
JavaDStream<String> lines = results.map((Function<Tuple2<String, String>, String>) tuple2 -> tuple2._2());
JavaDStream<String> lines = results.map(tuple2 -> tuple2._2());
JavaDStream<String> words = lines.flatMap((FlatMapFunction<String, String>) x -> Arrays.asList(x.split("\\s+"))
JavaDStream<String> words = lines.flatMap(x -> Arrays.asList(x.split("\\s+"))
.iterator());
JavaPairDStream<String, Integer> wordCounts = words.mapToPair((PairFunction<String, String, Integer>) s -> new Tuple2<>(s, 1))
JavaPairDStream<String, Integer> wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1))
.reduceByKey((Function2<Integer, Integer, Integer>) (i1, i2) -> i1 + i2);
JavaMapWithStateDStream<String, Integer, Integer, Tuple2<String, Integer>> cumulativeWordCounts = wordCounts.mapWithState(StateSpec.function((Function3<String, Optional<Integer>, State<Integer>, Tuple2<String, Integer>>) (word, one, state) -> {
JavaMapWithStateDStream<String, Integer, Integer, Tuple2<String, Integer>> cumulativeWordCounts = wordCounts.mapWithState(StateSpec.function((word, one, state) -> {
int sum = one.orElse(0) + (state.exists() ? state.get() : 0);
Tuple2<String, Integer> output = new Tuple2<>(word, sum);
state.update(sum);
return output;
}));
cumulativeWordCounts.foreachRDD((VoidFunction<JavaRDD<Tuple2<String, Integer>>>) javaRdd -> {
cumulativeWordCounts.foreachRDD(javaRdd -> {
List<Tuple2<String, Integer>> wordCountList = javaRdd.collect();
for (Tuple2<String, Integer> tuple : wordCountList) {
List<Word> wordList = Arrays.asList(new Word(tuple._1, tuple._2));

5
blade/README.md Normal file
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@ -0,0 +1,5 @@
### Relevant Articles:
- [Blade - A Complete GuideBook](http://www.baeldung.com/blade)
Run Integration Tests with `mvn integration-test`

189
blade/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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>blade</artifactId>
<name>blade</name>
<!-- WITH THIS mvn integration-test DOES WORK -->
<groupId>com.baeldung</groupId>
<version>1.0.0-SNAPSHOT</version>
<!-- WITH THIS mvn integration-test DOESN'T WORK -->
<!-- <parent> -->
<!-- <groupId>com.baeldung</groupId> -->
<!-- <artifactId>parent-modules</artifactId> -->
<!-- <version>1.0.0-SNAPSHOT</version> -->
<!-- </parent> -->
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>com.bladejava</groupId>
<artifactId>blade-mvc</artifactId>
<version>2.0.14.RELEASE</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap</artifactId>
<version>4.2.1</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.8.1</version>
</dependency>
<!-- PROVIDED -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.4</version>
<scope>provided</scope>
</dependency>
<!-- TEST -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>3.11.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.6</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpmime</artifactId>
<version>4.5.6</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.10</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>sample-blade-app</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<forkCount>3</forkCount>
<reuseForks>true</reuseForks>
<excludes>
<exclude>**/*LiveTest.java</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>3.0.0-M3</version>
<configuration>
<includes>
<include>**/*LiveTest.java</include>
</includes>
</configuration>
<executions>
<execution>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.bazaarvoice.maven.plugins</groupId>
<artifactId>process-exec-maven-plugin</artifactId>
<version>0.7</version>
<executions>
<!--Start Blade -->
<execution>
<id>blade-process</id>
<phase>pre-integration-test</phase>
<goals>
<goal>start</goal>
</goals>
<configuration>
<name>Blade</name>
<waitForInterrupt>false</waitForInterrupt>
<arguments>
<argument>java</argument>
<argument>-jar</argument>
<argument>sample-blade-app.jar</argument>
</arguments>
</configuration>
</execution>
<!--Stop all processes in reverse order -->
<execution>
<id>stop-all</id>
<phase>post-integration-test</phase>
<goals>
<goal>stop-all</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<finalName>${project.build.finalName}</finalName>
<appendAssemblyId>false</appendAssemblyId>
<archive>
<manifest>
<mainClass>com.baeldung.blade.sample.App</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
</plugins>
</build>
</project>

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@ -0,0 +1,38 @@
package com.baeldung.blade.sample;
import com.baeldung.blade.sample.interceptors.BaeldungMiddleware;
import com.blade.Blade;
import com.blade.event.EventType;
import com.blade.mvc.WebContext;
import com.blade.mvc.http.Session;
public class App {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(App.class);
public static void main(String[] args) {
Blade.of()
.get("/", ctx -> ctx.render("index.html"))
.get("/basic-route-example", ctx -> ctx.text("GET called"))
.post("/basic-route-example", ctx -> ctx.text("POST called"))
.put("/basic-route-example", ctx -> ctx.text("PUT called"))
.delete("/basic-route-example", ctx -> ctx.text("DELETE called"))
.addStatics("/custom-static")
// .showFileList(true)
.enableCors(true)
.before("/user/*", ctx -> log.info("[NarrowedHook] Before '/user/*', URL called: " + ctx.uri()))
.on(EventType.SERVER_STARTED, e -> {
String version = WebContext.blade()
.env("app.version")
.orElse("N/D");
log.info("[Event::serverStarted] Loading 'app.version' from configuration, value: " + version);
})
.on(EventType.SESSION_CREATED, e -> {
Session session = (Session) e.attribute("session");
session.attribute("mySessionValue", "Baeldung");
})
.use(new BaeldungMiddleware())
.start(App.class, args);
}
}

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@ -0,0 +1,37 @@
package com.baeldung.blade.sample;
import com.blade.mvc.annotation.GetRoute;
import com.blade.mvc.annotation.Path;
import com.blade.mvc.http.Request;
import com.blade.mvc.http.Response;
import com.blade.mvc.http.Session;
@Path
public class AttributesExampleController {
public final static String REQUEST_VALUE = "Some Request value";
public final static String SESSION_VALUE = "1337";
public final static String HEADER = "Some Header";
@GetRoute("/request-attribute-example")
public void getRequestAttribute(Request request, Response response) {
request.attribute("request-val", REQUEST_VALUE);
String requestVal = request.attribute("request-val");
response.text(requestVal);
}
@GetRoute("/session-attribute-example")
public void getSessionAttribute(Request request, Response response) {
Session session = request.session();
session.attribute("session-val", SESSION_VALUE);
String sessionVal = session.attribute("session-val");
response.text(sessionVal);
}
@GetRoute("/header-example")
public void getHeader(Request request, Response response) {
String headerVal = request.header("a-header", HEADER);
response.header("a-header", headerVal);
}
}

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@ -0,0 +1,22 @@
package com.baeldung.blade.sample;
import com.blade.mvc.annotation.Path;
import com.blade.mvc.annotation.Route;
import com.blade.mvc.http.Response;
@Path
public class LogExampleController {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LogExampleController.class);
@Route(value = "/test-logs")
public void testLogs(Response response) {
log.trace("This is a TRACE Message");
log.debug("This is a DEBUG Message");
log.info("This is an INFO Message");
log.warn("This is a WARN Message");
log.error("This is an ERROR Message");
response.text("Check in ./logs");
}
}

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package com.baeldung.blade.sample;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import com.baeldung.blade.sample.vo.User;
import com.blade.mvc.annotation.CookieParam;
import com.blade.mvc.annotation.GetRoute;
import com.blade.mvc.annotation.HeaderParam;
import com.blade.mvc.annotation.JSON;
import com.blade.mvc.annotation.MultipartParam;
import com.blade.mvc.annotation.Param;
import com.blade.mvc.annotation.Path;
import com.blade.mvc.annotation.PathParam;
import com.blade.mvc.annotation.PostRoute;
import com.blade.mvc.http.Response;
import com.blade.mvc.multipart.FileItem;
import com.blade.mvc.ui.RestResponse;
@Path
public class ParameterInjectionExampleController {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ParameterInjectionExampleController.class);
@GetRoute("/params/form")
public void formParam(@Param String name, Response response) {
log.info("name: " + name);
response.text(name);
}
@GetRoute("/params/path/:uid")
public void restfulParam(@PathParam Integer uid, Response response) {
log.info("uid: " + uid);
response.text(String.valueOf(uid));
}
@PostRoute("/params-file") // DO NOT USE A SLASH WITHIN THE ROUTE OR IT WILL BREAK (?)
@JSON
public RestResponse<?> fileParam(@MultipartParam FileItem fileItem) throws Exception {
try {
byte[] fileContent = fileItem.getData();
log.debug("Saving the uploaded file");
java.nio.file.Path tempFile = Files.createTempFile("baeldung_tempfiles", ".tmp");
Files.write(tempFile, fileContent, StandardOpenOption.WRITE);
return RestResponse.ok();
} catch (Exception e) {
log.error(e.getMessage(), e);
return RestResponse.fail(e.getMessage());
}
}
@GetRoute("/params/header")
public void headerParam(@HeaderParam String customheader, Response response) {
log.info("Custom header: " + customheader);
response.text(customheader);
}
@GetRoute("/params/cookie")
public void cookieParam(@CookieParam(defaultValue = "default value") String myCookie, Response response) {
log.info("myCookie: " + myCookie);
response.text(myCookie);
}
@PostRoute("/params/vo")
public void voParam(@Param User user, Response response) {
log.info("user as voParam: " + user.toString());
response.html(user.toString() + "<br/><br/><a href='/'>Back</a>");
}
}

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package com.baeldung.blade.sample;
import com.baeldung.blade.sample.configuration.BaeldungException;
import com.blade.mvc.WebContext;
import com.blade.mvc.annotation.DeleteRoute;
import com.blade.mvc.annotation.GetRoute;
import com.blade.mvc.annotation.Path;
import com.blade.mvc.annotation.PostRoute;
import com.blade.mvc.annotation.PutRoute;
import com.blade.mvc.annotation.Route;
import com.blade.mvc.http.HttpMethod;
import com.blade.mvc.http.Request;
import com.blade.mvc.http.Response;
@Path
public class RouteExampleController {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(RouteExampleController.class);
@GetRoute("/route-example")
public String get() {
return "get.html";
}
@PostRoute("/route-example")
public String post() {
return "post.html";
}
@PutRoute("/route-example")
public String put() {
return "put.html";
}
@DeleteRoute("/route-example")
public String delete() {
return "delete.html";
}
@Route(value = "/another-route-example", method = HttpMethod.GET)
public String anotherGet() {
return "get.html";
}
@Route(value = "/allmatch-route-example")
public String allmatch() {
return "allmatch.html";
}
@Route(value = "/triggerInternalServerError")
public void triggerInternalServerError() {
int x = 1 / 0;
}
@Route(value = "/triggerBaeldungException")
public void triggerBaeldungException() throws BaeldungException {
throw new BaeldungException("Foobar Exception to threat differently");
}
@Route(value = "/user/foo")
public void urlCoveredByNarrowedWebhook(Response response) {
response.text("Check out for the WebHook covering '/user/*' in the logs");
}
@GetRoute("/load-configuration-in-a-route")
public void loadConfigurationInARoute(Response response) {
String authors = WebContext.blade()
.env("app.authors", "Unknown authors");
log.info("[/load-configuration-in-a-route] Loading 'app.authors' from configuration, value: " + authors);
response.render("index.html");
}
@GetRoute("/template-output-test")
public void templateOutputTest(Request request, Response response) {
request.attribute("name", "Blade");
response.render("template-output-test.html");
}
}

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package com.baeldung.blade.sample.configuration;
public class BaeldungException extends RuntimeException {
public BaeldungException(String message) {
super(message);
}
}

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package com.baeldung.blade.sample.configuration;
import com.blade.ioc.annotation.Bean;
import com.blade.mvc.WebContext;
import com.blade.mvc.handler.DefaultExceptionHandler;
@Bean
public class GlobalExceptionHandler extends DefaultExceptionHandler {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(GlobalExceptionHandler.class);
@Override
public void handle(Exception e) {
if (e instanceof BaeldungException) {
Exception baeldungException = (BaeldungException) e;
String msg = baeldungException.getMessage();
log.error("[GlobalExceptionHandler] Intercepted an exception to threat with additional logic. Error message: " + msg);
WebContext.response()
.render("index.html");
} else {
super.handle(e);
}
}
}

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@ -0,0 +1,23 @@
package com.baeldung.blade.sample.configuration;
import com.blade.Blade;
import com.blade.ioc.annotation.Bean;
import com.blade.loader.BladeLoader;
import com.blade.mvc.WebContext;
@Bean
public class LoadConfig implements BladeLoader {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LoadConfig.class);
@Override
public void load(Blade blade) {
String version = WebContext.blade()
.env("app.version")
.orElse("N/D");
String authors = WebContext.blade()
.env("app.authors", "Unknown authors");
log.info("[LoadConfig] loaded 'app.version' (" + version + ") and 'app.authors' (" + authors + ") in a configuration bean");
}
}

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@ -0,0 +1,15 @@
package com.baeldung.blade.sample.configuration;
import com.blade.ioc.annotation.Bean;
import com.blade.task.annotation.Schedule;
@Bean
public class ScheduleExample {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ScheduleExample.class);
@Schedule(name = "baeldungTask", cron = "0 */1 * * * ?")
public void runScheduledTask() {
log.info("[ScheduleExample] This is a scheduled Task running once per minute.");
}
}

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package com.baeldung.blade.sample.interceptors;
import com.blade.ioc.annotation.Bean;
import com.blade.mvc.RouteContext;
import com.blade.mvc.hook.WebHook;
@Bean
public class BaeldungHook implements WebHook {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(BaeldungHook.class);
@Override
public boolean before(RouteContext ctx) {
log.info("[BaeldungHook] called before Route method");
return true;
}
}

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package com.baeldung.blade.sample.interceptors;
import com.blade.mvc.RouteContext;
import com.blade.mvc.hook.WebHook;
public class BaeldungMiddleware implements WebHook {
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(BaeldungMiddleware.class);
@Override
public boolean before(RouteContext context) {
log.info("[BaeldungMiddleware] called before Route method and other WebHooks");
return true;
}
}

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package com.baeldung.blade.sample.vo;
import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
import lombok.Getter;
import lombok.Setter;
public class User {
@Getter @Setter private String name;
@Getter @Setter private String site;
@Override
public String toString() {
return ReflectionToStringBuilder.toString(this);
}
}

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mvc.statics.show-list=true
mvc.view.404=my-404.html
mvc.view.500=my-500.html
app.version=0.0.1
app.authors=Andrea Ligios

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/* App CSS */

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
<h1>File Upload and download test</h1>
<form id="uploadForm" enctype="multipart/form-data">
<input id="file" type="file" name="file" />
<button id="upload" type="button">Upload</button>
</form>
<br />
<a href="/">Back</a>
<script>
var data = new FormData();
$('#upload').click(function() {
$.ajax({
url : '/params-file',
type : 'POST',
cache : false,
data : new FormData($('#uploadForm')[0]),
processData : false,
contentType : false
}).done(function(res) {
console.log(res);
if (res.success) {
alert('Ok');
} else {
alert(res.msg || 'Error');
}
}).fail(function(res) {
});
});
</script>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
</head>
<body>
<h1>User POJO post test</h1>
<form id="uploadForm" action="/params/vo" method="post">
<span>Person POJO:</span>
<input type="text" name="name" placeholder="name"/>
<input type="text" name="site" placeholder="site"/>
<button id="upload" type="submit">Send user object</button>
</form>
<br />
<a href="/">Back</a>
</body>
</html>

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ALLMATCH called

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DELETE called

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GET called

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Baeldung Blade App • Written by Andrea Ligios</title>
<link href="/static/app.css" rel="stylesheet" />
</head>
<body>
<h1>Baeldung Blade App - Showcase</h1>
<h3>Manual tests</h3>
<p>The following are tests which are not covered by integration tests, but that can be run manually in order to check the functionality, either in the browser or in the logs, depending on the case.</p>
<ul>
<li><a href="/static/file-upload.html">File Upload</a></li>
<li><a href="/static/user-post.html">User POJO Post</a></li>
<li><a href="/user/foo">Webhook narrowed to the '/user/*' URL</a></li>
<li><a href="/load-configuration-in-a-route">Load Configuration in a Route</a></li>
<li><a href="/triggerInternalServerError">Trigger internal server error (and test the custom error 500 page)</a></li>
<li><a href="/triggerBaeldungException">Trigger BaeldungException (and test the Global Exception Handler)</a></li>
</ul>
<h3>Session value created in App.java</h3>
<p>mySessionValue = ${mySessionValue}</p>
<script src="/static/app.js"></script>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>404 Not found</title>
</head>
<body>
Custom Error 404 Page
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>500 Internal Server Error</title>
</head>
<body>
<h1> Custom Error 500 Page </h1>
<p> The following error occurred "<strong>${message}</strong>"</p>
<pre> ${stackTrace} </pre>
</body>
</html>

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POST called

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PUT called

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<h1>Hello, ${name}!</h1>

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package com.baeldung.blade.sample;
import static org.assertj.core.api.Assertions.assertThat;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
public class AppLiveTest {
@Test
public void givenBasicRoute_whenGet_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/basic-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("GET called");
}
}
@Test
public void givenBasicRoute_whenPost_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpPost("http://localhost:9000/basic-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("POST called");
}
}
@Test
public void givenBasicRoute_whenPut_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpPut("http://localhost:9000/basic-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("PUT called");
}
}
@Test
public void givenBasicRoute_whenDelete_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpDelete("http://localhost:9000/basic-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("DELETE called");
}
}
}

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package com.baeldung.blade.sample;
import static org.assertj.core.api.Assertions.assertThat;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
public class AttributesExampleControllerLiveTest {
@Test
public void givenRequestAttribute_whenSet_thenRetrieveWithGet() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/request-attribute-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo(AttributesExampleController.REQUEST_VALUE);
}
}
@Test
public void givenSessionAttribute_whenSet_thenRetrieveWithGet() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/session-attribute-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo(AttributesExampleController.SESSION_VALUE);
}
}
@Test
public void givenHeader_whenSet_thenRetrieveWithGet() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/header-example");
request.addHeader("a-header","foobar");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(httpResponse.getHeaders("a-header")[0].getValue()).isEqualTo("foobar");
}
}
@Test
public void givenNoHeader_whenSet_thenRetrieveDefaultValueWithGet() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/header-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(httpResponse.getHeaders("a-header")[0].getValue()).isEqualTo(AttributesExampleController.HEADER);
}
}
}

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package com.baeldung.blade.sample;
import static org.assertj.core.api.Assertions.assertThat;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
public class ParameterInjectionExampleControllerLiveTest {
@Test
public void givenFormParam_whenSet_thenRetrieveWithGet() throws Exception {
URIBuilder builder = new URIBuilder("http://localhost:9000/params/form");
builder.setParameter("name", "Andrea Ligios");
final HttpUriRequest request = new HttpGet(builder.build());
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("Andrea Ligios");
}
}
@Test
public void givenPathParam_whenSet_thenRetrieveWithGet() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/params/path/1337");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("1337");
}
}
// @Test
// public void givenFileParam_whenSet_thenRetrieveWithGet() throws Exception {
//
// byte[] data = "this is some temp file content".getBytes("UTF-8");
// java.nio.file.Path tempFile = Files.createTempFile("baeldung_test_tempfiles", ".tmp");
// Files.write(tempFile, data, StandardOpenOption.WRITE);
//
// //HttpEntity entity = MultipartEntityBuilder.create().addPart("file", new FileBody(tempFile.toFile())).build();
// HttpEntity entity = MultipartEntityBuilder.create().addTextBody("field1", "value1")
// .addBinaryBody("fileItem", tempFile.toFile(), ContentType.create("application/octet-stream"), "file1.txt").build();
//
// final HttpPost post = new HttpPost("http://localhost:9000/params-file");
// post.setEntity(entity);
//
// try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create().build().execute(post);) {
// assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("file1.txt");
// }
// }
@Test
public void givenHeader_whenSet_thenRetrieveWithGet() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/params/header");
request.addHeader("customheader", "foobar");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("foobar");
}
}
@Test
public void givenNoCookie_whenCalled_thenReadDefaultValue() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/params/cookie");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("default value");
}
}
}

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package com.baeldung.blade.sample;
import static org.assertj.core.api.Assertions.assertThat;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
public class RouteExampleControllerLiveTest {
@Test
public void givenRoute_whenGet_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("GET called");
}
}
@Test
public void givenRoute_whenPost_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpPost("http://localhost:9000/route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("POST called");
}
}
@Test
public void givenRoute_whenPut_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpPut("http://localhost:9000/route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("PUT called");
}
}
@Test
public void givenRoute_whenDelete_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpDelete("http://localhost:9000/route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("DELETE called");
}
}
@Test
public void givenAnotherRoute_whenGet_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/another-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("GET called");
}
}
@Test
public void givenAllMatchRoute_whenGet_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/allmatch-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called");
}
}
@Test
public void givenAllMatchRoute_whenPost_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpPost("http://localhost:9000/allmatch-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called");
}
}
@Test
public void givenAllMatchRoute_whenPut_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpPut("http://localhost:9000/allmatch-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called");
}
}
@Test
public void givenAllMatchRoute_whenDelete_thenCorrectOutput() throws Exception {
final HttpUriRequest request = new HttpDelete("http://localhost:9000/allmatch-route-example");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("ALLMATCH called");
}
}
@Test
public void givenRequestAttribute_whenRenderedWithTemplate_thenCorrectlyEvaluateIt() throws Exception {
final HttpUriRequest request = new HttpGet("http://localhost:9000/template-output-test");
try (final CloseableHttpResponse httpResponse = HttpClientBuilder.create()
.build()
.execute(request);) {
assertThat(EntityUtils.toString(httpResponse.getEntity())).isEqualTo("<h1>Hello, Blade!</h1>");
}
}
}

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package com.baeldung.strings;
class Concatenate {
String first = 'Hello'
String last = 'Groovy'
String doSimpleConcat() {
return 'My name is ' + first + ' ' + last
}
String doConcatUsingGString() {
return "My name is $first $last"
}
String doConcatUsingGStringClosures() {
return "My name is ${-> first} ${-> last}"
}
String doConcatUsingStringConcatMethod() {
return 'My name is '.concat(first).concat(' ').concat(last)
}
String doConcatUsingLeftShiftOperator() {
return 'My name is ' << first << ' ' << last
}
String doConcatUsingArrayJoinMethod() {
return ['My name is', first, last].join(' ')
}
String doConcatUsingArrayInjectMethod() {
return [first,' ', last]
.inject(new StringBuffer('My name is '), { initial, name -> initial.append(name); return initial }).toString()
}
String doConcatUsingStringBuilder() {
return new StringBuilder().append('My name is ').append(first).append(' ').append(last)
}
String doConcatUsingStringBuffer() {
return new StringBuffer().append('My name is ').append(first).append(' ').append(last)
}
}

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import com.baeldung.strings.Concatenate;
class ConcatenateTest extends GroovyTestCase {
void testSimpleConcat() {
def name = new Concatenate()
name.first = 'Joe';
name.last = 'Smith';
def expected = 'My name is Joe Smith'
assertToString(name.doSimpleConcat(), expected)
}
void testConcatUsingGString() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingGString(), expected)
}
void testConcatUsingGStringClosures() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingGStringClosures(), expected)
}
void testConcatUsingStringConcatMethod() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingStringConcatMethod(), expected)
}
void testConcatUsingLeftShiftOperator() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingLeftShiftOperator(), expected)
}
void testConcatUsingArrayJoinMethod() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingArrayJoinMethod(), expected)
}
void testConcatUsingArrayInjectMethod() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingArrayInjectMethod(), expected)
}
void testConcatUsingStringBuilder() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingStringBuilder(), expected)
}
void testConcatUsingStringBuffer() {
def name = new Concatenate()
name.first = "Joe";
name.last = "Smith";
def expected = "My name is Joe Smith"
assertToString(name.doConcatUsingStringBuffer(), expected)
}
void testConcatMultilineUsingStringConcatMethod() {
def name = new Concatenate()
name.first = '''Joe
Smith
''';
name.last = 'Junior';
def expected = '''My name is Joe
Smith
Junior''';
assertToString(name.doConcatUsingStringConcatMethod(), expected)
}
void testGStringvsClosure(){
def first = "Joe";
def last = "Smith";
def eagerGString = "My name is $first $last"
def lazyGString = "My name is ${-> first} ${-> last}"
assert eagerGString == "My name is Joe Smith"
assert lazyGString == "My name is Joe Smith"
first = "David";
assert eagerGString == "My name is Joe Smith"
assert lazyGString == "My name is David Smith"
}
}

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package com.baeldung.java8.lambda.methodreference;
public class Bicycle {
private String brand;
private Integer frameSize;
public Bicycle(String brand) {
this.brand = brand;
this.frameSize = 0;
}
public Bicycle(String brand, Integer frameSize) {
this.brand = brand;
this.frameSize = frameSize;
}
public String getBrand() {
return brand;
}
public void setBrand(String brand) {
this.brand = brand;
}
public Integer getFrameSize() {
return frameSize;
}
public void setFrameSize(Integer frameSize) {
this.frameSize = frameSize;
}
}

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package com.baeldung.java8.lambda.methodreference;
import java.util.Comparator;
public class BicycleComparator implements Comparator<Bicycle> {
@Override
public int compare(Bicycle a, Bicycle b) {
return a.getFrameSize()
.compareTo(b.getFrameSize());
}
}

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package com.baeldung.java8.lambda.methodreference;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.function.BiFunction;
import org.junit.Test;
public class MethodReferenceExamples {
private static <T> void doNothingAtAll(Object... o) {
}
;
@Test
public void referenceToStaticMethod() {
List<String> messages = Arrays.asList("Hello", "Baeldung", "readers!");
messages.forEach((word) -> {
System.out.println(word);
});
messages.forEach(System.out::println);
}
@Test
public void referenceToInstanceMethodOfParticularObject() {
BicycleComparator bikeFrameSizeComparator = new BicycleComparator();
createBicyclesList().stream()
.sorted((a, b) -> bikeFrameSizeComparator.compare(a, b));
createBicyclesList().stream()
.sorted(bikeFrameSizeComparator::compare);
}
@Test
public void referenceToInstanceMethodOfArbitratyObjectOfParticularType() {
List<Integer> numbers = Arrays.asList(5, 3, 50, 24, 40, 2, 9, 18);
numbers.stream()
.sorted((a, b) -> Integer.compare(a, b));
numbers.stream()
.sorted(Integer::compare);
}
@Test
public void referenceToConstructor() {
BiFunction<String, Integer, Bicycle> bikeCreator = (brand, frameSize) -> new Bicycle(brand, frameSize);
BiFunction<String, Integer, Bicycle> bikeCreatorMethodReference = Bicycle::new;
List<Bicycle> bikes = new ArrayList<>();
bikes.add(bikeCreator.apply("Giant", 50));
bikes.add(bikeCreator.apply("Scott", 20));
bikes.add(bikeCreatorMethodReference.apply("Trek", 35));
bikes.add(bikeCreatorMethodReference.apply("GT", 40));
}
@Test
public void referenceToConstructorSimpleExample() {
List<String> bikeBrands = Arrays.asList("Giant", "Scott", "Trek", "GT");
bikeBrands.stream()
.map(Bicycle::new)
.toArray(Bicycle[]::new);
}
@Test
public void limitationsAndAdditionalExamples() {
createBicyclesList().forEach(b -> System.out.printf("Bike brand is '%s' and frame size is '%d'%n", b.getBrand(), b.getFrameSize()));
createBicyclesList().forEach((o) -> MethodReferenceExamples.doNothingAtAll(o));
}
private List<Bicycle> createBicyclesList() {
List<Bicycle> bikes = new ArrayList<>();
bikes.add(new Bicycle("Giant", 50));
bikes.add(new Bicycle("Scott", 20));
bikes.add(new Bicycle("Trek", 35));
bikes.add(new Bicycle("GT", 40));
return bikes;
}
}

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package com.baeldung.time;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.when;
import static org.powermock.api.mockito.PowerMockito.mockStatic;
@RunWith(PowerMockRunner.class)
@PrepareForTest({ Instant.class })
public class InstantUnitTest {
@Test
public void givenInstantMock_whenNow_thenGetFixedInstant() {
String instantExpected = "2014-12-22T10:15:30Z";
Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC"));
Instant instant = Instant.now(clock);
mockStatic(Instant.class);
when(Instant.now()).thenReturn(instant);
Instant now = Instant.now();
assertThat(now.toString()).isEqualTo(instantExpected);
}
@Test
public void givenFixedClock_whenNow_thenGetFixedInstant() {
String instantExpected = "2014-12-22T10:15:30Z";
Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC"));
Instant instant = Instant.now(clock);
assertThat(instant.toString()).isEqualTo(instantExpected);
}
}

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package com.baeldung.time;
import mockit.Expectations;
import mockit.Mock;
import mockit.MockUp;
import org.junit.jupiter.api.Test;
import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;
import static org.assertj.core.api.Assertions.assertThat;
public class InstantWithJMockUnitTest {
@Test
public void givenInstantWithJMock_whenNow_thenGetFixedInstant() {
String instantExpected = "2014-12-21T10:15:30Z";
Clock clock = Clock.fixed(Instant.parse(instantExpected), ZoneId.of("UTC"));
new MockUp<Instant>() {
@Mock
public Instant now() {
return Instant.now(clock);
}
};
Instant now = Instant.now();
assertThat(now.toString()).isEqualTo(instantExpected);
}
@Test
public void givenInstantWithExpectations_whenNow_thenGetFixedInstant() {
Clock clock = Clock.fixed(Instant.parse("2014-12-23T10:15:30.00Z"), ZoneId.of("UTC"));
Instant instantExpected = Instant.now(clock);
new Expectations(Instant.class) {
{
Instant.now();
result = instantExpected;
}
};
Instant now = Instant.now();
assertThat(now).isEqualTo(instantExpected);
}
}

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package com.baeldung.array.conversions;
import java.nio.ByteBuffer;
public class FloatToByteArray {
/**
* convert float into byte array using Float API floatToIntBits
* @param value
* @return byte[]
*/
public static byte[] floatToByteArray(float value) {
int intBits = Float.floatToIntBits(value);
return new byte[] {(byte) (intBits >> 24), (byte) (intBits >> 16), (byte) (intBits >> 8), (byte) (intBits) };
}
/**
* convert byte array into float using Float API intBitsToFloat
* @param bytes
* @return float
*/
public static float byteArrayToFloat(byte[] bytes) {
int intBits = bytes[0] << 24 | (bytes[1] & 0xFF) << 16 | (bytes[2] & 0xFF) << 8 | (bytes[3] & 0xFF);
return Float.intBitsToFloat(intBits);
}
/**
* convert float into byte array using ByteBuffer
* @param value
* @return byte[]
*/
public static byte[] floatToByteArrayWithByteBuffer(float value) {
return ByteBuffer.allocate(4).putFloat(value).array();
}
/**
* convert byte array into float using ByteBuffer
* @param bytes
* @return float
*/
public static float byteArrayToFloatWithByteBuffer(byte[] bytes) {
return ByteBuffer.wrap(bytes).getFloat();
}
}

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@ -0,0 +1,44 @@
package com.baeldung.arrays;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;
import java.util.Arrays;
public class ParallelPrefixBenchmark {
private static final int ARRAY_SIZE = 200_000_000;
@State(Scope.Benchmark)
public static class BigArray {
int[] data;
@Setup(Level.Iteration)
public void prepare() {
data = new int[ARRAY_SIZE];
for(int j = 0; j< ARRAY_SIZE; j++) {
data[j] = 1;
}
}
@TearDown(Level.Iteration)
public void destroy() {
data = null;
}
}
@Benchmark
public void largeArrayLoopSum(BigArray bigArray, Blackhole blackhole) {
for (int i = 0; i < ARRAY_SIZE - 1; i++) {
bigArray.data[i + 1] += bigArray.data[i];
}
blackhole.consume(bigArray.data);
}
@Benchmark
public void largeArrayParallelPrefixSum(BigArray bigArray, Blackhole blackhole) {
Arrays.parallelPrefix(bigArray.data, (left, right) -> left + right);
blackhole.consume(bigArray.data);
}
}

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@ -0,0 +1,46 @@
package com.baeldung.array.conversions;
import static com.baeldung.array.conversions.FloatToByteArray.byteArrayToFloat;
import static com.baeldung.array.conversions.FloatToByteArray.byteArrayToFloatWithByteBuffer;
import static com.baeldung.array.conversions.FloatToByteArray.floatToByteArray;
import static com.baeldung.array.conversions.FloatToByteArray.floatToByteArrayWithByteBuffer;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class FloatToByteArrayUnitTest {
@Test
public void givenAFloat_thenConvertToByteArray() {
assertArrayEquals(new byte[] { 63, -116, -52, -51}, floatToByteArray(1.1f));
}
@Test
public void givenAByteArray_thenConvertToFloat() {
assertEquals(1.1f, byteArrayToFloat(new byte[] { 63, -116, -52, -51}), 0);
}
@Test
public void givenAFloat_thenConvertToByteArrayUsingByteBuffer() {
assertArrayEquals(new byte[] { 63, -116, -52, -51}, floatToByteArrayWithByteBuffer(1.1f));
}
@Test
public void givenAByteArray_thenConvertToFloatUsingByteBuffer() {
assertEquals(1.1f, byteArrayToFloatWithByteBuffer(new byte[] { 63, -116, -52, -51}), 0);
}
@Test
public void givenAFloat_thenConvertToByteArray_thenConvertToFloat() {
float floatToConvert = 200.12f;
byte[] byteArray = floatToByteArray(floatToConvert);
assertEquals(200.12f, byteArrayToFloat(byteArray), 0);
}
@Test
public void givenAFloat_thenConvertToByteArrayWithByteBuffer_thenConvertToFloatWithByteBuffer() {
float floatToConvert = 30100.42f;
byte[] byteArray = floatToByteArrayWithByteBuffer(floatToConvert);
assertEquals(30100.42f, byteArrayToFloatWithByteBuffer(byteArray), 0);
}
}

View File

@ -1,5 +1,7 @@
package com.baeldung.arrays;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.*;
import org.junit.Before;
@ -9,6 +11,7 @@ import org.junit.rules.ExpectedException;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import java.util.stream.Stream;
public class ArraysUnitTest {
@ -150,4 +153,52 @@ public class ArraysUnitTest {
exception.expect(UnsupportedOperationException.class);
rets.add("the");
}
@Test
public void givenIntArray_whenPrefixAdd_thenAllAccumulated() {
int[] arri = new int[] { 1, 2, 3, 4};
Arrays.parallelPrefix(arri, (left, right) -> left + right);
assertThat(arri, is(new int[] { 1, 3, 6, 10}));
}
@Test
public void givenStringArray_whenPrefixConcat_thenAllMerged() {
String[] arrs = new String[] { "1", "2", "3" };
Arrays.parallelPrefix(arrs, (left, right) -> left + right);
assertThat(arrs, is(new String[] { "1", "12", "123" }));
}
@Test
public void whenPrefixAddWithRange_thenRangeAdded() {
int[] arri = new int[] { 1, 2, 3, 4, 5 };
Arrays.parallelPrefix(arri, 1, 4, (left, right) -> left + right);
assertThat(arri, is(new int[] { 1, 2, 5, 9, 5 }));
}
@Test
public void whenPrefixNonAssociative_thenError() {
boolean consistent = true;
Random r = new Random();
for (int k = 0; k < 100_000; k++) {
int[] arrA = r.ints(100, 1, 5).toArray();
int[] arrB = Arrays.copyOf(arrA, arrA.length);
Arrays.parallelPrefix(arrA, this::nonassociativeFunc);
for (int i = 1; i < arrB.length; i++) {
arrB[i] = nonassociativeFunc(arrB[i - 1], arrB[i]);
}
consistent = Arrays.equals(arrA, arrB);
if(!consistent) break;
}
assertFalse(consistent);
}
/**
* non-associative int binary operator
*/
private int nonassociativeFunc(int left, int right) {
return left + right*left;
}
}

View File

@ -26,3 +26,4 @@
- [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist)
- [Flattening Nested Collections in Java](http://www.baeldung.com/java-flatten-nested-collections)
- [Intersection of Two Lists in Java](https://www.baeldung.com/java-lists-intersection)
- [Multi Dimensional ArrayList in Java](https://www.baeldung.com/java-multi-dimensional-arraylist)

View File

@ -36,6 +36,22 @@
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>net.sf.trove4j</groupId>
<artifactId>trove4j</artifactId>
<version>3.0.2</version>
</dependency>
<dependency>
<groupId>it.unimi.dsi</groupId>
<artifactId>fastutil</artifactId>
<version>8.1.0</version>
</dependency>
<dependency>
<groupId>colt</groupId>
<artifactId>colt</artifactId>
<version>1.2.0</version>
</dependency>
</dependencies>
<properties>

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@ -0,0 +1,52 @@
package com.baeldung.list.primitive;
import com.google.common.primitives.ImmutableIntArray;
import com.google.common.primitives.Ints;
import gnu.trove.list.array.TIntArrayList;
import it.unimi.dsi.fastutil.ints.IntArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.OptionalDouble;
import java.util.function.IntPredicate;
import java.util.stream.IntStream;
public class PrimitiveCollections {
public static void main(String[] args) {
int[] primitives = new int[] {5, 10, 0, 2, -8};
guavaPrimitives(primitives);
intStream(primitives);
TIntArrayList tList = new TIntArrayList(primitives);
cern.colt.list.IntArrayList coltList = new cern.colt.list.IntArrayList(primitives);
IntArrayList fastUtilList = new IntArrayList(primitives);
System.out.println(tList);
System.out.println(coltList);
System.out.println(fastUtilList);
}
private static void intStream(int[] primitives) {
IntStream stream = IntStream.of(5, 10, 0, 2, -8);
IntStream newStream = IntStream.of(primitives);
OptionalDouble average = stream.filter(i -> i > 0).average();
}
private static void guavaPrimitives(int[] primitives) {
ImmutableIntArray immutableIntArray = ImmutableIntArray.builder().addAll(primitives).build();
System.out.println(immutableIntArray);
}
}

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@ -0,0 +1,48 @@
package com.baeldung.queueinterface;
import java.util.AbstractQueue;
import java.util.Iterator;
import java.util.LinkedList;
public class CustomBaeldungQueue<T> extends AbstractQueue<T> {
private LinkedList<T> elements;
public CustomBaeldungQueue() {
this.elements = new LinkedList<T>();
}
@Override
public Iterator<T> iterator() {
return elements.iterator();
}
@Override
public int size() {
return elements.size();
}
@Override
public boolean offer(T t) {
if(t == null) return false;
elements.add(t);
return true;
}
@Override
public T poll() {
Iterator<T> iter = elements.iterator();
T t = iter.next();
if(t != null){
iter.remove();
return t;
}
return null;
}
@Override
public T peek() {
return elements.getFirst();
}
}

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@ -0,0 +1,53 @@
package com.baeldung.queueinterface;
import org.junit.Before;
import org.junit.Test;
import java.util.PriorityQueue;
import static org.junit.Assert.assertEquals;
public class PriorityQueueUnitTest {
@Test
public void givenIntegerQueue_whenIntegersOutOfOrder_checkRetrievalOrderIsNatural() {
PriorityQueue<Integer> integerQueue = new PriorityQueue<>();
integerQueue.add(9);
integerQueue.add(2);
integerQueue.add(4);
int first = integerQueue.poll();
int second = integerQueue.poll();
int third = integerQueue.poll();
assertEquals(2, first);
assertEquals(4, second);
assertEquals(9, third);
}
@Test
public void givenStringQueue_whenStringsAddedOutOfNaturalOrder_checkRetrievalOrderNatural() {
PriorityQueue<String> stringQueue = new PriorityQueue<>();
stringQueue.add("banana");
stringQueue.add("apple");
stringQueue.add("cherry");
String first = stringQueue.poll();
String second = stringQueue.poll();
String third = stringQueue.poll();
assertEquals("apple", first);
assertEquals("banana", second);
assertEquals("cherry", third);
}
}

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@ -0,0 +1,30 @@
package com.baeldung.queueinterface;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
public class CustomBaeldungQueueUnitTest {
private CustomBaeldungQueue<Integer> customQueue;
@Before
public void setUp() throws Exception {
customQueue = new CustomBaeldungQueue<>();
}
@Test
public void givenQueueWithTwoElements_whenElementsRetrieved_checkRetrievalCorrect() {
customQueue.add(7);
customQueue.add(5);
int first = customQueue.poll();
int second = customQueue.poll();
assertEquals(7, first);
assertEquals(5, second);
}
}

View File

@ -14,4 +14,5 @@
- [ExecutorService - Waiting for Threads to Finish](http://www.baeldung.com/java-executor-wait-for-threads)
- [wait and notify() Methods in Java](http://www.baeldung.com/java-wait-notify)
- [Life Cycle of a Thread in Java](http://www.baeldung.com/java-thread-lifecycle)
- [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable)
- [Runnable vs. Callable in Java](http://www.baeldung.com/java-runnable-callable)
- [What is Thread-Safety and How to Achieve it](https://www.baeldung.com/java-thread-safety)

View File

@ -36,4 +36,5 @@
- [Reading a CSV File into an Array](https://www.baeldung.com/java-csv-file-array)
- [Guide to BufferedReader](https://www.baeldung.com/java-buffered-reader)
- [How to Get the File Extension of a File in Java](http://www.baeldung.com/java-file-extension)
- [Getting a Files Mime Type in Java](http://www.baeldung.com/java-file-mime-type)
- [Getting a Files Mime Type in Java](http://www.baeldung.com/java-file-mime-type)
- [Create a Directory in Java](https://www.baeldung.com/java-create-directory)

View File

@ -0,0 +1,22 @@
package com.baeldung.csv;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class WriteCsvFileExample {
public String convertToCSV(String[] data) {
return Stream.of(data)
.map(this::escapeSpecialCharacters)
.collect(Collectors.joining(","));
}
public String escapeSpecialCharacters(String data) {
String escapedData = data.replaceAll("\\R", " ");
if (data.contains(",") || data.contains("\"") || data.contains("'")) {
data = data.replace("\"", "\"\"");
escapedData = "\"" + data + "\"";
}
return escapedData;
}
}

View File

@ -0,0 +1,64 @@
package com.baeldung.files;
import java.io.File;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class ListFiles {
public static final int DEPTH = 1;
public Set<String> listFilesUsingJavaIO(String dir) {
return Stream.of(new File(dir).listFiles())
.filter(file -> !file.isDirectory())
.map(File::getName)
.collect(Collectors.toSet());
}
public Set<String> listFilesUsingFileWalk(String dir, int depth) throws IOException {
try (Stream<Path> stream = Files.walk(Paths.get(dir), depth)) {
return stream.filter(file -> !Files.isDirectory(file))
.map(Path::getFileName)
.map(Path::toString)
.collect(Collectors.toSet());
}
}
public Set<String> listFilesUsingFileWalkAndVisitor(String dir) throws IOException {
Set<String> fileList = new HashSet<>();
Files.walkFileTree(Paths.get(dir), new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
if (!Files.isDirectory(file)) {
fileList.add(file.getFileName()
.toString());
}
return FileVisitResult.CONTINUE;
}
});
return fileList;
}
public Set<String> listFilesUsingDirectoryStream(String dir) throws IOException {
Set<String> fileList = new HashSet<>();
try (DirectoryStream<Path> stream = Files.newDirectoryStream(Paths.get(dir))) {
for (Path path : stream) {
if (!Files.isDirectory(path)) {
fileList.add(path.getFileName()
.toString());
}
}
}
return fileList;
}
}

View File

@ -0,0 +1,84 @@
package com.baeldung.csv;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class WriteCsvFileExampleUnitTest {
private static final Logger LOG = LoggerFactory.getLogger(WriteCsvFileExampleUnitTest.class);
private static final String CSV_FILE_NAME = "src/test/resources/exampleOutput.csv";
private WriteCsvFileExample csvExample;
@Before
public void setupClass() {
csvExample = new WriteCsvFileExample();
}
@Test
public void givenCommaContainingData_whenEscapeSpecialCharacters_stringReturnedInQuotes() {
String data = "three,two,one";
String escapedData = csvExample.escapeSpecialCharacters(data);
String expectedData = "\"three,two,one\"";
assertEquals(expectedData, escapedData);
}
@Test
public void givenQuoteContainingData_whenEscapeSpecialCharacters_stringReturnedFormatted() {
String data = "She said \"Hello\"";
String escapedData = csvExample.escapeSpecialCharacters(data);
String expectedData = "\"She said \"\"Hello\"\"\"";
assertEquals(expectedData, escapedData);
}
@Test
public void givenNewlineContainingData_whenEscapeSpecialCharacters_stringReturnedInQuotes() {
String dataNewline = "This contains\na newline";
String dataCarriageReturn = "This contains\r\na newline and carriage return";
String escapedDataNl = csvExample.escapeSpecialCharacters(dataNewline);
String escapedDataCr = csvExample.escapeSpecialCharacters(dataCarriageReturn);
String expectedData = "This contains a newline";
assertEquals(expectedData, escapedDataNl);
String expectedDataCr = "This contains a newline and carriage return";
assertEquals(expectedDataCr, escapedDataCr);
}
@Test
public void givenNonSpecialData_whenEscapeSpecialCharacters_stringReturnedUnchanged() {
String data = "This is nothing special";
String returnedData = csvExample.escapeSpecialCharacters(data);
assertEquals(data, returnedData);
}
@Test
public void givenDataArray_whenConvertToCSV_thenOutputCreated() {
List<String[]> dataLines = new ArrayList<String[]>();
dataLines.add(new String[] { "John", "Doe", "38", "Comment Data\nAnother line of comment data" });
dataLines.add(new String[] { "Jane", "Doe, Jr.", "19", "She said \"I'm being quoted\"" });
File csvOutputFile = new File(CSV_FILE_NAME);
try (PrintWriter pw = new PrintWriter(csvOutputFile)) {
dataLines.stream()
.map(csvExample::convertToCSV)
.forEach(pw::println);
} catch (FileNotFoundException e) {
LOG.error("IOException " + e.getMessage());
}
assertTrue(csvOutputFile.exists());
}
}

View File

@ -0,0 +1,100 @@
package com.baeldung.directories;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class NewDirectoryUnitTest {
private static final File TEMP_DIRECTORY = new File(System.getProperty("java.io.tmpdir"));
@Before
public void beforeEach() {
File newDirectory = new File(TEMP_DIRECTORY, "new_directory");
File nestedInNewDirectory = new File(newDirectory, "nested_directory");
File existingDirectory = new File(TEMP_DIRECTORY, "existing_directory");
File existingNestedDirectory = new File(existingDirectory, "existing_nested_directory");
File nestedInExistingDirectory = new File(existingDirectory, "nested_directory");
nestedInNewDirectory.delete();
newDirectory.delete();
nestedInExistingDirectory.delete();
existingDirectory.mkdir();
existingNestedDirectory.mkdir();
}
@Test
public void givenUnexistingDirectory_whenMkdir_thenTrue() {
File newDirectory = new File(TEMP_DIRECTORY, "new_directory");
assertFalse(newDirectory.exists());
boolean directoryCreated = newDirectory.mkdir();
assertTrue(directoryCreated);
}
@Test
public void givenExistingDirectory_whenMkdir_thenFalse() {
File newDirectory = new File(TEMP_DIRECTORY, "new_directory");
newDirectory.mkdir();
assertTrue(newDirectory.exists());
boolean directoryCreated = newDirectory.mkdir();
assertFalse(directoryCreated);
}
@Test
public void givenUnexistingNestedDirectories_whenMkdir_thenFalse() {
File newDirectory = new File(TEMP_DIRECTORY, "new_directory");
File nestedDirectory = new File(newDirectory, "nested_directory");
assertFalse(newDirectory.exists());
assertFalse(nestedDirectory.exists());
boolean directoriesCreated = nestedDirectory.mkdir();
assertFalse(directoriesCreated);
}
@Test
public void givenUnexistingNestedDirectories_whenMkdirs_thenTrue() {
File newDirectory = new File(System.getProperty("java.io.tmpdir") + File.separator + "new_directory");
File nestedDirectory = new File(newDirectory, "nested_directory");
assertFalse(newDirectory.exists());
assertFalse(nestedDirectory.exists());
boolean directoriesCreated = nestedDirectory.mkdirs();
assertTrue(directoriesCreated);
}
@Test
public void givenExistingParentDirectories_whenMkdirs_thenTrue() {
File newDirectory = new File(TEMP_DIRECTORY, "existing_directory");
newDirectory.mkdir();
File nestedDirectory = new File(newDirectory, "nested_directory");
assertTrue(newDirectory.exists());
assertFalse(nestedDirectory.exists());
boolean directoriesCreated = nestedDirectory.mkdirs();
assertTrue(directoriesCreated);
}
@Test
public void givenExistingNestedDirectories_whenMkdirs_thenFalse() {
File existingDirectory = new File(TEMP_DIRECTORY, "existing_directory");
File existingNestedDirectory = new File(existingDirectory, "existing_nested_directory");
assertTrue(existingDirectory.exists());
assertTrue(existingNestedDirectory.exists());
boolean directoriesCreated = existingNestedDirectory.mkdirs();
assertFalse(directoriesCreated);
}
}

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@ -0,0 +1,96 @@
package com.baeldung.file;
import static org.junit.jupiter.api.Assertions.assertEquals;
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.channels.FileChannel;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import com.baeldung.util.StreamUtils;
public class FilesClearDataUnitTest {
public static final String FILE_PATH = "src/test/resources/fileexample.txt";
@Before
@After
public void setup() throws IOException {
PrintWriter writer = new PrintWriter(FILE_PATH);
writer.print("This example shows how we can delete the file contents without deleting the file");
writer.close();
}
@Test
public void givenExistingFile_whenDeleteContentUsingPrintWritter_thenEmptyFile() throws IOException {
PrintWriter writer = new PrintWriter(FILE_PATH);
writer.print("");
writer.close();
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
@Test
public void givenExistingFile_whenDeleteContentUsingPrintWritterWithougObject_thenEmptyFile() throws IOException {
new PrintWriter(FILE_PATH).close();
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
@Test
public void givenExistingFile_whenDeleteContentUsingFileWriter_thenEmptyFile() throws IOException {
new FileWriter(FILE_PATH, false).close();
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
@Test
public void givenExistingFile_whenDeleteContentUsingFileOutputStream_thenEmptyFile() throws IOException {
new FileOutputStream(FILE_PATH).close();
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
@Test
public void givenExistingFile_whenDeleteContentUsingFileUtils_thenEmptyFile() throws IOException {
FileUtils.write(new File(FILE_PATH), "", Charset.defaultCharset());
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
@Test
public void givenExistingFile_whenDeleteContentUsingNIOFiles_thenEmptyFile() throws IOException {
BufferedWriter writer = Files.newBufferedWriter(Paths.get(FILE_PATH));
writer.write("");
writer.flush();
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
@Test
public void givenExistingFile_whenDeleteContentUsingNIOFileChannel_thenEmptyFile() throws IOException {
FileChannel.open(Paths.get(FILE_PATH), StandardOpenOption.WRITE).truncate(0).close();
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
@Test
public void givenExistingFile_whenDeleteContentUsingGuava_thenEmptyFile() throws IOException {
File file = new File(FILE_PATH);
byte[] empty = new byte[0];
com.google.common.io.Files.write(empty, file);
assertEquals(0, StreamUtils.getStringFromInputStream(new FileInputStream(FILE_PATH)).length());
}
}

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@ -0,0 +1,46 @@
package com.baeldung.file;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import org.junit.Test;
import com.baeldung.files.ListFiles;
public class ListFilesUnitTest {
private ListFiles listFiles = new ListFiles();
private String DIRECTORY = "src/test/resources/listFilesUnitTestFolder";
private static final int DEPTH = 1;
private Set<String> EXPECTED_FILE_LIST = new HashSet<String>() {
{
add("test.xml");
add("employee.json");
add("students.json");
add("country.txt");
}
};
@Test
public void givenDir_whenUsingJAVAIO_thenListAllFiles() throws IOException {
assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingJavaIO(DIRECTORY));
}
@Test
public void givenDir_whenWalkingTree_thenListAllFiles() throws IOException {
assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingFileWalk(DIRECTORY,DEPTH));
}
@Test
public void givenDir_whenWalkingTreeWithVisitor_thenListAllFiles() throws IOException {
assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingFileWalkAndVisitor(DIRECTORY));
}
@Test
public void givenDir_whenUsingDirectoryStream_thenListAllFiles() throws IOException {
assertEquals(EXPECTED_FILE_LIST, listFiles.listFilesUsingDirectoryStream(DIRECTORY));
}
}

View File

@ -0,0 +1,56 @@
package org.baeldung.java.io;
import com.google.common.io.ByteSource;
import com.google.common.io.ByteStreams;
import org.apache.commons.io.IOUtils;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import static java.nio.channels.Channels.newChannel;
import static org.junit.Assert.assertEquals;
public class InputStreamToByteBufferUnitTest {
@Test
public void givenUsingCoreClasses_whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException {
byte[] input = new byte[] { 0, 1, 2 };
InputStream initialStream = new ByteArrayInputStream(input);
ByteBuffer byteBuffer = ByteBuffer.allocate(3);
while (initialStream.available() > 0) {
byteBuffer.put((byte) initialStream.read());
}
assertEquals(byteBuffer.position(), input.length);
}
@Test
public void givenUsingGuava__whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException {
InputStream initialStream = ByteSource
.wrap(new byte[] { 0, 1, 2 })
.openStream();
byte[] targetArray = ByteStreams.toByteArray(initialStream);
ByteBuffer bufferByte = ByteBuffer.wrap(targetArray);
while (bufferByte.hasRemaining()) {
bufferByte.get();
}
assertEquals(bufferByte.position(), targetArray.length);
}
@Test
public void givenUsingCommonsIo_whenByteArrayInputStreamToAByteBuffer_thenLengthMustMatch() throws IOException {
byte[] input = new byte[] { 0, 1, 2 };
InputStream initialStream = new ByteArrayInputStream(input);
ByteBuffer byteBuffer = ByteBuffer.allocate(3);
ReadableByteChannel channel = newChannel(initialStream);
IOUtils.readFully(channel, byteBuffer);
assertEquals(byteBuffer.position(), input.length);
}
}

View File

@ -0,0 +1,2 @@
John,Doe,38,Comment Data Another line of comment data
Jane,"Doe, Jr.",19,"She said ""I'm being quoted"""
1 John Doe 38 Comment Data Another line of comment data
2 Jane Doe, Jr. 19 She said "I'm being quoted"

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@ -0,0 +1 @@
This example shows how we can delete the file contents without deleting the file

Binary file not shown.

After

Width:  |  Height:  |  Size: 190 KiB

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@ -0,0 +1 @@
This is a sample txt file for unit test ListFilesUnitTest

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@ -0,0 +1 @@
<xml></xml>

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@ -0,0 +1,5 @@
package com.baeldung.keyword;
public class Circle extends Round implements Shape {
}

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@ -0,0 +1,4 @@
package com.baeldung.keyword;
public class Ring extends Round {
}

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@ -0,0 +1,4 @@
package com.baeldung.keyword;
public class Round {
}

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@ -0,0 +1,4 @@
package com.baeldung.keyword;
public interface Shape {
}

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@ -0,0 +1,4 @@
package com.baeldung.keyword;
public class Triangle implements Shape {
}

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@ -0,0 +1,55 @@
package com.baeldung.keyword.test;
import org.junit.Assert;
import org.junit.jupiter.api.Test;
import com.baeldung.keyword.Circle;
import com.baeldung.keyword.Ring;
import com.baeldung.keyword.Round;
import com.baeldung.keyword.Shape;
import com.baeldung.keyword.Triangle;
public class InstanceOfUnitTest {
@Test
public void giveWhenInstanceIsCorrect_thenReturnTrue() {
Ring ring = new Ring();
Assert.assertTrue("ring is instance of Round ", ring instanceof Round);
}
@Test
public void giveWhenObjectIsInstanceOfType_thenReturnTrue() {
Circle circle = new Circle();
Assert.assertTrue("circle is instance of Circle ", circle instanceof Circle);
}
@Test
public void giveWhenInstanceIsOfSubtype_thenReturnTrue() {
Circle circle = new Circle();
Assert.assertTrue("circle is instance of Round", circle instanceof Round);
}
@Test
public void giveWhenTypeIsInterface_thenReturnTrue() {
Circle circle = new Circle();
Assert.assertTrue("circle is instance of Shape", circle instanceof Shape);
}
@Test
public void giveWhenTypeIsOfObjectType_thenReturnTrue() {
Thread thread = new Thread();
Assert.assertTrue("thread is instance of Object", thread instanceof Object);
}
@Test
public void giveWhenInstanceValueIsNull_thenReturnFalse() {
Circle circle = null;
Assert.assertFalse("circle is instance of Round", circle instanceof Round);
}
@Test
public void giveWhenComparingClassInDiffHierarchy_thenCompilationError() {
// Assert.assertFalse("circle is instance of Triangle", circle instanceof Triangle);
}
}

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@ -0,0 +1,51 @@
package com.baeldung.objects;
public class Car {
private String type;
private String model;
private String color;
private int speed;
public Car(String type, String model, String color) {
this.type = type;
this.model = model;
this.color = color;
}
public String getColor() {
return color;
}
public void setColor(String color) {
this.color = color;
}
public int getSpeed() {
return speed;
}
public int increaseSpeed(int increment) {
if (increment > 0) {
this.speed += increment;
} else {
System.out.println("Increment can't be negative.");
}
return this.speed;
}
public int decreaseSpeed(int decrement) {
if (decrement > 0 && decrement <= this.speed) {
this.speed -= decrement;
} else {
System.out.println("Decrement can't be negative or greater than current speed.");
}
return this.speed;
}
@Override
public String toString() {
return "Car [type=" + type + ", model=" + model + ", color=" + color + ", speed=" + speed + "]";
}
}

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@ -0,0 +1,14 @@
package org.baeldung.variable.scope.examples;
public class BracketScopeExample {
public void mathOperationExample() {
Integer sum = 0;
{
Integer number = 2;
sum = sum + number;
}
// compiler error, number cannot be solved as a variable
// number++;
}
}

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@ -0,0 +1,14 @@
package org.baeldung.variable.scope.examples;
public class ClassScopeExample {
Integer amount = 0;
public void exampleMethod() {
amount++;
}
public void anotherExampleMethod() {
Integer anotherAmount = amount + 4;
}
}

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@ -0,0 +1,18 @@
package org.baeldung.variable.scope.examples;
import java.util.Arrays;
import java.util.List;
public class LoopScopeExample {
List<String> listOfNames = Arrays.asList("Joe", "Susan", "Pattrick");
public void iterationOfNames() {
String allNames = "";
for (String name : listOfNames) {
allNames = allNames + " " + name;
}
// compiler error, name cannot be resolved to a variable
// String lastNameUsed = name;
}
}

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@ -0,0 +1,13 @@
package org.baeldung.variable.scope.examples;
public class MethodScopeExample {
public void methodA() {
Integer area = 2;
}
public void methodB() {
// compiler error, area cannot be resolved to a variable
// area = area + 2;
}
}

View File

@ -0,0 +1,12 @@
package org.baeldung.variable.scope.examples;
public class NestedScopesExample {
String title = "Baeldung";
public void printTitle() {
System.out.println(title);
String title = "John Doe";
System.out.println(title);
}
}

View File

@ -0,0 +1,38 @@
package com.baeldung.objects;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
public class CarUnitTest {
private Car car;
@Before
public void setUp() throws Exception {
car = new Car("Ford", "Focus", "red");
}
@Test
public final void when_speedIncreased_then_verifySpeed() {
car.increaseSpeed(30);
assertEquals(30, car.getSpeed());
car.increaseSpeed(20);
assertEquals(50, car.getSpeed());
}
@Test
public final void when_speedDecreased_then_verifySpeed() {
car.increaseSpeed(50);
assertEquals(50, car.getSpeed());
car.decreaseSpeed(30);
assertEquals(20, car.getSpeed());
car.decreaseSpeed(20);
assertEquals(0, car.getSpeed());
}
}

View File

@ -44,8 +44,8 @@
<!-- util -->
<commons-lang3.version>3.8.1</commons-lang3.version>
<bouncycastle.version>1.55</bouncycastle.version>
<commons-codec.version>1.10</commons-codec.version>
<bouncycastle.version>1.60</bouncycastle.version>
<commons-codec.version>1.11</commons-codec.version>
<!-- testing -->
<assertj-core.version>3.10.0</assertj-core.version>

View File

@ -0,0 +1,9 @@
package com.baeldung.hashing;
public class DigestAlgorithms {
public static final String SHA3_256 = "SHA3-256";
public static final String SHA_256 = "SHA-256";
public static final String KECCAK_256 = "Keccak-256";
}

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@ -0,0 +1,30 @@
package com.baeldung.hashing;
import org.bouncycastle.jcajce.provider.digest.Keccak;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.encoders.Hex;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.Security;
import static com.baeldung.hashing.DigestAlgorithms.KECCAK_256;
import static com.baeldung.hashing.SHACommonUtils.bytesToHex;
public class Keccak256Hashing {
public static String hashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException {
Security.addProvider(new BouncyCastleProvider());
final MessageDigest digest = MessageDigest.getInstance(KECCAK_256);
final byte[] encodedhash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8));
return bytesToHex(encodedhash);
}
public static String hashWithBouncyCastle(final String originalString) {
Keccak.Digest256 digest256 = new Keccak.Digest256();
byte[] hashbytes = digest256.digest(originalString.getBytes(StandardCharsets.UTF_8));
return new String(Hex.encode(hashbytes));
}
}

View File

@ -8,15 +8,18 @@ import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import static com.baeldung.hashing.DigestAlgorithms.SHA_256;
import static com.baeldung.hashing.SHACommonUtils.bytesToHex;
public class SHA256Hashing {
public static String HashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException {
final MessageDigest digest = MessageDigest.getInstance("SHA-256");
final MessageDigest digest = MessageDigest.getInstance(SHA_256);
final byte[] encodedhash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8));
return bytesToHex(encodedhash);
}
public static String HashWithGuava(final String originalString) {
public static String hashWithGuava(final String originalString) {
final String sha256hex = Hashing.sha256().hashString(originalString, StandardCharsets.UTF_8).toString();
return sha256hex;
}
@ -27,20 +30,10 @@ public class SHA256Hashing {
}
public static String HashWithBouncyCastle(final String originalString) throws NoSuchAlgorithmException {
final MessageDigest digest = MessageDigest.getInstance("SHA-256");
final MessageDigest digest = MessageDigest.getInstance(SHA_256);
final byte[] hash = digest.digest(originalString.getBytes(StandardCharsets.UTF_8));
final String sha256hex = new String(Hex.encode(hash));
return sha256hex;
}
private static String bytesToHex(byte[] hash) {
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < hash.length; i++) {
String hex = Integer.toHexString(0xff & hash[i]);
if (hex.length() == 1)
hexString.append('0');
hexString.append(hex);
}
return hexString.toString();
}
}

View File

@ -0,0 +1,45 @@
package com.baeldung.hashing;
import com.google.common.hash.Hashing;
import org.apache.commons.codec.digest.DigestUtils;
import org.bouncycastle.crypto.digests.SHA3Digest;
import org.bouncycastle.jcajce.provider.digest.SHA3;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.encoders.Hex;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.Security;
import static com.baeldung.hashing.DigestAlgorithms.SHA3_256;
import static com.baeldung.hashing.SHACommonUtils.bytesToHex;
public class SHA3Hashing {
/* works with JDK9+ only */
public static String hashWithJavaMessageDigestJDK9(final String originalString) throws NoSuchAlgorithmException {
final MessageDigest digest = MessageDigest.getInstance(SHA3_256);
final byte[] hashbytes = digest.digest(originalString.getBytes(StandardCharsets.UTF_8));
return bytesToHex(hashbytes);
}
public static String hashWithJavaMessageDigest(final String originalString) throws NoSuchAlgorithmException {
Security.addProvider(new BouncyCastleProvider());
final MessageDigest digest = MessageDigest.getInstance(SHA3_256);
final byte[] hashbytes = digest.digest(originalString.getBytes(StandardCharsets.UTF_8));
return bytesToHex(hashbytes);
}
/* works with JDK9+ only */
public static String hashWithApacheCommonsJDK9(final String originalString) {
return new DigestUtils(SHA3_256).digestAsHex(originalString);
}
public static String hashWithBouncyCastle(final String originalString) {
SHA3.Digest256 digest256 = new SHA3.Digest256();
byte[] hashbytes = digest256.digest(originalString.getBytes(StandardCharsets.UTF_8));
return new String(Hex.encode(hashbytes));
}
}

View File

@ -0,0 +1,16 @@
package com.baeldung.hashing;
class SHACommonUtils {
public static String bytesToHex(byte[] hash) {
StringBuffer hexString = new StringBuffer();
for (byte h : hash) {
String hex = Integer.toHexString(0xff & h);
if (hex.length() == 1)
hexString.append('0');
hexString.append(hex);
}
return hexString.toString();
}
}

View File

@ -0,0 +1,22 @@
package com.baeldung.hashing;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class Keccak256HashingUnitTest {
private static String originalValue = "abc123";
private static String hashedValue = "719accc61a9cc126830e5906f9d672d06eab6f8597287095a2c55a8b775e7016";
@Test public void testHashWithJavaMessageDigest() throws Exception {
final String currentHashedValue = Keccak256Hashing.hashWithJavaMessageDigest(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
@Test public void testHashWithBouncyCastle() {
final String currentHashedValue = Keccak256Hashing.hashWithBouncyCastle(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
}

View File

@ -12,24 +12,24 @@ public class SHA256HashingUnitTest {
@Test
public void testHashWithJavaMessageDigest() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithJavaMessageDigest(originalValue);
assertEquals(currentHashedValue, hashedValue);
assertEquals(hashedValue, currentHashedValue);
}
@Test
public void testHashWithGuava() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithApacheCommons(originalValue);
assertEquals(currentHashedValue, hashedValue);
final String currentHashedValue = SHA256Hashing.hashWithGuava(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
@Test
public void testHashWithApacheCommans() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithGuava(originalValue);
assertEquals(currentHashedValue, hashedValue);
final String currentHashedValue = SHA256Hashing.HashWithApacheCommons(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
@Test
public void testHashWithBouncyCastle() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithBouncyCastle(originalValue);
assertEquals(currentHashedValue, hashedValue);
assertEquals(hashedValue, currentHashedValue);
}
}

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@ -0,0 +1,38 @@
package com.baeldung.hashing;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class SHA3HashingUnitTest {
private static String originalValue = "abc123";
private static String hashedValue = "f58fa3df820114f56e1544354379820cff464c9c41cb3ca0ad0b0843c9bb67ee";
/* works with JDK9+ only */
//@Test
public void testHashWithJavaMessageDigestJDK9() throws Exception {
final String currentHashedValue = SHA3Hashing.hashWithJavaMessageDigestJDK9(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
@Test
public void testHashWithJavaMessageDigest() throws Exception {
final String currentHashedValue = SHA3Hashing.hashWithJavaMessageDigest(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
/* works with JDK9+ only */
//@Test
public void testHashWithApacheCommonsJDK9() {
final String currentHashedValue = SHA3Hashing.hashWithApacheCommonsJDK9(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
@Test
public void testHashWithBouncyCastle() {
final String currentHashedValue = SHA3Hashing.hashWithBouncyCastle(originalValue);
assertEquals(hashedValue, currentHashedValue);
}
}

View File

@ -46,3 +46,4 @@
- [Graphs in Java](https://www.baeldung.com/java-graphs)
- [Console I/O in Java](http://www.baeldung.com/java-console-input-output)
- [Formatting with printf() in Java](https://www.baeldung.com/java-printstream-printf)
- [Retrieve Fields from a Java Class Using Reflection](https://www.baeldung.com/java-reflection-class-fields)

View File

@ -13,6 +13,7 @@
<relativePath>../parent-java</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>commons-io</groupId>

View File

@ -0,0 +1,81 @@
package com.baeldung.bitwiseoperator.test;
import static org.junit.Assert.assertEquals;
import org.junit.jupiter.api.Test;
public class BitwiseOperatorUnitTest {
@Test
public void givenTwoIntegers_whenAndOperator_thenNewDecimalNumber() {
int value1 = 6;
int value2 = 5;
int result = value1 & value2;
assertEquals(4, result);
}
@Test
public void givenTwoIntegers_whenOrOperator_thenNewDecimalNumber() {
int value1 = 6;
int value2 = 5;
int result = value1 | value2;
assertEquals(7, result);
}
@Test
public void givenTwoIntegers_whenXorOperator_thenNewDecimalNumber() {
int value1 = 6;
int value2 = 5;
int result = value1 ^ value2;
assertEquals(3, result);
}
@Test
public void givenOneInteger_whenNotOperator_thenNewDecimalNumber() {
int value1 = 6;
int result = ~value1;
assertEquals(result, -7);
}
@Test
public void givenOnePositiveInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() {
int value = 12;
int rightShift = value >> 2;
assertEquals(3, rightShift);
}
@Test
public void givenOneNegativeInteger_whenSignedRightShiftOperator_thenNewDecimalNumber() {
int value = -12;
int rightShift = value >> 2;
assertEquals(-3, rightShift);
}
@Test
public void givenOnePositiveInteger_whenLeftShiftOperator_thenNewDecimalNumber() {
int value = 12;
int leftShift = value << 2;
assertEquals(48, leftShift);
}
@Test
public void givenOneNegativeInteger_whenLeftShiftOperator_thenNewDecimalNumber() {
int value = -12;
int leftShift = value << 2;
assertEquals(-48, leftShift);
}
@Test
public void givenOnePositiveInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() {
int value = 12;
int unsignedRightShift = value >>> 2;
assertEquals(3, unsignedRightShift);
}
@Test
public void givenOneNegativeInteger_whenUnsignedRightShiftOperator_thenNewDecimalNumber() {
int value = -12;
int unsignedRightShift = value >>> 2;
assertEquals(1073741821, unsignedRightShift);
}
}

View File

@ -3,19 +3,16 @@ package com.baeldung.curltojava;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import org.junit.Assert;
import org.junit.Test;
public class JavaCurlExamplesUnitTest {
public class JavaCurlExamplesLiveTest {
@Test
public void givenCommand_whenCalled_thenProduceZeroExitCode() throws IOException {
String command = "curl --location --request GET \"https://postman-echo.com/get?foo1=bar1&foo2=bar2\"";
ProcessBuilder processBuilder = new ProcessBuilder(command.replaceAll("\"", "").split(" "));
String command = "curl -X GET https://postman-echo.com/get?foo1=bar1&foo2=bar2";
ProcessBuilder processBuilder = new ProcessBuilder(command.split(" "));
processBuilder.directory(new File("/home/"));
Process process = processBuilder.start();
InputStream inputStream = process.getInputStream();
@ -28,8 +25,8 @@ public class JavaCurlExamplesUnitTest {
@Test
public void givenNewCommands_whenCalled_thenCheckIfIsAlive() throws IOException {
String command = "curl --location --request GET \"https://postman-echo.com/get?foo1=bar1&foo2=bar2\"";
ProcessBuilder processBuilder = new ProcessBuilder(command.replaceAll("\"", "").split(" "));
String command = "curl -X GET https://postman-echo.com/get?foo1=bar1&foo2=bar2";
ProcessBuilder processBuilder = new ProcessBuilder(command.split(" "));
processBuilder.directory(new File("/home/"));
Process process = processBuilder.start();
@ -40,16 +37,14 @@ public class JavaCurlExamplesUnitTest {
}
@Test
public void whenRequestGet_thenReturnSuccessResponseCode() throws IOException {
String url = "https://postman-echo.com/get?foo1=bar1&foo2=bar2";
URL urlObj = new URL(url);
HttpURLConnection connection = (HttpURLConnection) urlObj.openConnection();
connection.setDoOutput(true);
connection.setInstanceFollowRedirects(false);
connection.setRequestMethod("GET");
connection.connect();
public void whenRequestPost_thenCheckIfReturnContent() throws IOException {
String command = "curl -X POST https://postman-echo.com/post --data foo1=bar1&foo2=bar2";
Process process = Runtime.getRuntime().exec(command);
Assert.assertEquals(HttpURLConnection.HTTP_OK, connection.getResponseCode());
// Get the POST result
String content = JavaCurlExamples.inputStreamToString(process.getInputStream());
Assert.assertTrue(null != content && !content.isEmpty());
}
}

View File

@ -0,0 +1,41 @@
package com.baeldung.leapyear;
import java.time.LocalDate;
import java.time.Year;
import java.time.format.DateTimeFormatter;
import java.util.GregorianCalendar;
import org.junit.Assert;
import org.junit.Test;
public class LeapYearUnitTest {
//Before Java8
@Test
public void testLeapYearUsingGregorianCalendar () {
Assert.assertFalse(new GregorianCalendar().isLeapYear(2018));
}
//Java 8 and above
@Test
public void testLeapYearUsingJavaTimeYear () {
Assert.assertTrue(Year.isLeap(2012));
}
@Test
public void testBCYearUsingJavaTimeYear () {
Assert.assertTrue(Year.isLeap(-4));
}
@Test
public void testWrongLeapYearUsingJavaTimeYear () {
Assert.assertFalse(Year.isLeap(2018));
}
@Test
public void testLeapYearInDateUsingJavaTimeYear () {
LocalDate date = LocalDate.parse("2020-01-05", DateTimeFormatter.ISO_LOCAL_DATE);
Assert.assertTrue(Year.from(date).isLeap());
}
}

View File

@ -72,17 +72,6 @@
<artifactId>injekt-core</artifactId>
<version>1.16.1</version>
</dependency>
<dependency>
<groupId>uy.kohesive.kovert</groupId>
<artifactId>kovert-vertx</artifactId>
<version>[1.5.0,1.6.0)</version>
<exclusions>
<exclusion>
<groupId>nl.komponents.kovenant</groupId>
<artifactId>kovenant</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<properties>

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