Merge branch 'master' into BAEL-1423-jctools

This commit is contained in:
Tom Hombergs
2018-04-16 22:06:44 +02:00
committed by GitHub
413 changed files with 311233 additions and 971 deletions
+8
View File
@@ -63,7 +63,15 @@
- [A Docker Guide for Java](http://www.baeldung.com/docker-java-api)
- [Exceptions in Netty](http://www.baeldung.com/netty-exception-handling)
- [Creating and Configuring Jetty 9 Server in Java](http://www.baeldung.com/jetty-java-programmatic)
- [Introduction To OpenCSV](http://www.baeldung.com/opencsv)
- [Introduction to Akka Actors in Java] (http://www.baeldung.com/akka-actors-java)
- [Asynchronous HTTP with async-http-client in Java](https://github.com/eugenp/tutorials/tree/master/libraries)
- [Introduction to Smooks](http://www.baeldung.com/smooks)
- [WebSockets with AsyncHttpClient](http://www.baeldung.com/async-http-client-websockets)
- [A Guide to Infinispan in Java](http://www.baeldung.com/infinispan)
- [Introduction to OpenCSV](http://www.baeldung.com/opencsv)
- [A Guide to Unirest](http://www.baeldung.com/unirest)
- [Introduction to Akka Actors in Java](http://www.baeldung.com/akka-actors-java)
The libraries module contains examples related to small libraries that are relatively easy to use and does not require any separate module of its own.
Binary file not shown.
+30 -13
View File
@@ -43,6 +43,12 @@
<artifactId>cglib</artifactId>
<version>${cglib.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.opencsv/opencsv -->
<dependency>
<groupId>com.opencsv</groupId>
<artifactId>opencsv</artifactId>
<version>${opencsv.version}</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
@@ -270,6 +276,12 @@
<groupId>net.openhft</groupId>
<artifactId>chronicle</artifactId>
<version>3.6.4</version>
<exclusions>
<exclusion>
<groupId>com.sun.java</groupId>
<artifactId>tools</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
@@ -294,6 +306,19 @@
<version>${serenity.version}</version>
<scope>test</scope>
</dependency>
<!-- JetS3t -->
<dependency>
<groupId>org.lucee</groupId>
<artifactId>jets3t</artifactId>
<version>${jets3t-version}</version>
</dependency>
<dependency>
<groupId>org.lucee</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons-codec-version}</version>
</dependency>
<dependency>
<groupId>io.rest-assured</groupId>
<artifactId>spring-mock-mvc</artifactId>
@@ -668,6 +693,7 @@
<version>${jctools.version}</version>
</dependency>
</dependencies>
<repositories>
<repository>
<id>maven2-repository.dev.java.net</id>
@@ -765,17 +791,6 @@
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.18.1</version>
<configuration>
<excludes>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*LiveTest.java</exclude>
</excludes>
</configuration>
</plugin>
<!-- /Neuroph -->
<plugin>
@@ -893,8 +908,10 @@
<tomcat.version>8.5.24</tomcat.version>
<async.http.client.version>2.2.0</async.http.client.version>
<infinispan.version>9.1.5.Final</infinispan.version>
<opencsv.version>4.1</opencsv.version>
<unirest.version>1.4.9</unirest.version>
<jctools.version>2.1.2</jctools.version>
<commons-codec-version>1.10.L001</commons-codec-version>
<jets3t-version>0.9.4.0006L</jets3t-version>
</properties>
</project>
</project>
@@ -1,31 +1,35 @@
package com.baeldung.jnats;
import io.nats.client.*;
import java.io.IOException;
import java.util.*;
import io.nats.client.AsyncSubscription;
import io.nats.client.Connection;
import io.nats.client.Message;
import io.nats.client.Nats;
import io.nats.client.Options;
import io.nats.client.Subscription;
import io.nats.client.SyncSubscription;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NatsClient {
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
private String serverURI;
public final class NatsClient {
private Connection natsConnection;
private final String serverURI;
private Map<String, Subscription> subscriptions = new HashMap<>();
private final Connection natsConnection;
private final Map<String, Subscription> subscriptions = new HashMap<>();
private final static Logger log = LoggerFactory.getLogger(NatsClient.class);
public NatsClient() {
NatsClient() {
this.serverURI = "jnats://localhost:4222";
natsConnection = initConnection(serverURI);
}
public NatsClient(String serverURI) {
if ((serverURI != null) && (!serverURI.isEmpty())) {
this.serverURI = serverURI;
} else {
@@ -40,59 +44,33 @@ public class NatsClient {
natsConnection.close();
}
private Connection initConnection(String uri) {
try {
Options options = new Options.Builder()
.errorCb(new ExceptionHandler() {
@Override
public void onException(NATSException ex) {
log.error("Connection Exception: ", ex);
}
})
.disconnectedCb(new DisconnectedCallback() {
@Override
public void onDisconnect(ConnectionEvent event) {
log.error("Channel disconnected: {}", event.getConnection());
}
})
.reconnectedCb(new ReconnectedCallback() {
@Override
public void onReconnect(ConnectionEvent event) {
log.error("Reconnected to server: {}", event.getConnection());
}
})
.errorCb(ex -> log.error("Connection Exception: ", ex))
.disconnectedCb(event -> log.error("Channel disconnected: {}", event.getConnection()))
.reconnectedCb(event -> log.error("Reconnected to server: {}", event.getConnection()))
.build();
return Nats.connect(uri, options);
} catch (IOException ioe) {
log.error("Error connecting to NATs! ", ioe);
return null;
}
}
public void publishMessage(String topic, String replyTo, String message) {
void publishMessage(String topic, String replyTo, String message) {
try {
// Simple Publisher
natsConnection.publish(topic, replyTo, message.getBytes());
} catch (IOException ioe) {
log.error("Error publishing message: {} to {} ", message, topic, ioe);
}
}
public void subscribeAsync(String topic) {
// Simple Async Subscriber
AsyncSubscription subscription = natsConnection.subscribe(topic, new MessageHandler() {
@Override
public void onMessage(Message msg) {
log.info("Received message on {}", msg.getSubject());
}
});
AsyncSubscription subscription = natsConnection.subscribe(
topic, msg -> log.info("Received message on {}", msg.getSubject()));
if (subscription == null) {
log.error("Error subscribing to {}", topic);
@@ -101,13 +79,11 @@ public class NatsClient {
}
}
public SyncSubscription subscribeSync(String topic) {
// Simple Sync Subscriber
SyncSubscription subscribeSync(String topic) {
return natsConnection.subscribe(topic);
}
public void unsubscribe(String topic) {
try {
Subscription subscription = subscriptions.get(topic);
@@ -116,15 +92,12 @@ public class NatsClient {
} else {
log.error("{} not found. Unable to unsubscribe.", topic);
}
} catch (IOException ioe) {
log.error("Error unsubscribing from {} ", topic, ioe);
}
}
public Message makeRequest(String topic, String request) {
Message makeRequest(String topic, String request) {
try {
return natsConnection.request(topic, request.getBytes(), 100);
} catch (IOException | InterruptedException ioe) {
@@ -133,7 +106,7 @@ public class NatsClient {
}
}
public void installReply(String topic, String reply) {
void installReply(String topic, String reply) {
natsConnection.subscribe(topic, message -> {
try {
natsConnection.publish(message.getReplyTo(), reply.getBytes());
@@ -143,8 +116,7 @@ public class NatsClient {
});
}
public SyncSubscription joinQueueGroup(String topic, String queue) {
SyncSubscription joinQueueGroup(String topic, String queue) {
return natsConnection.subscribe(topic, queue);
}
}
@@ -0,0 +1,49 @@
package com.baeldung.netty;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.*;
import io.netty.util.CharsetUtil;
public class CalculatorOperationHandler extends SimpleChannelInboundHandler<Operation> {
protected void channelRead0(ChannelHandlerContext ctx, Operation msg) throws Exception {
Long result = calculateEndpoint(msg);
sendHttpResponse(ctx, new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.CREATED), result.toString());
ctx.fireChannelRead(result);
}
private long calculateEndpoint(Operation operation) {
String operator = operation.getOperator().toLowerCase().trim();
switch (operator) {
case "add":
return operation.getNumber1() + operation.getNumber2();
case "multiply":
return operation.getNumber1() * operation.getNumber2();
default:
throw new IllegalArgumentException("Operation not defined");
}
}
public static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpResponse res, String content) {
// Generate an error page if response getStatus code is not OK (200).
ByteBuf buf = Unpooled.copiedBuffer(content, CharsetUtil.UTF_8);
res.content().writeBytes(buf);
HttpUtil.setContentLength(res, res.content().readableBytes());
ctx.channel().writeAndFlush(res);
}
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
throws Exception {
sendHttpResponse(ctx, new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR), "Operation not defined");
ctx.fireExceptionCaught(cause);
}
}
@@ -0,0 +1,40 @@
package com.baeldung.netty;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
public class HttpMessageHandler extends SimpleChannelInboundHandler<FullHttpRequest> {
protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest msg) throws Exception {
String uri = msg.uri();
HttpMethod httpMethod = msg.method();
HttpHeaders headers = msg.headers();
if (HttpMethod.GET == httpMethod) {
String[] uriComponents = uri.split("[?]");
String endpoint = uriComponents[0];
String[] queryParams = uriComponents[1].split("&");
if ("/calculate".equalsIgnoreCase(endpoint)) {
String[] firstQueryParam = queryParams[0].split("=");
String[] secondQueryParam = queryParams[1].split("=");
Integer a = Integer.valueOf(firstQueryParam[1]);
Integer b = Integer.valueOf(secondQueryParam[1]);
String operator = headers.get("operator");
Operation operation = new Operation(a, b, operator);
ctx.fireChannelRead(operation);
}
} else {
throw new UnsupportedOperationException("HTTP method not supported");
}
}
}
@@ -0,0 +1,49 @@
package com.baeldung.netty;
import java.io.Serializable;
public class Operation implements Serializable {
private Integer number1;
private Integer number2;
private String operator;
public Operation(Integer number1, Integer number2, String operator) {
this.number1 = number1;
this.number2 = number2;
this.operator = operator;
}
public Integer getNumber1() {
return number1;
}
public void setNumber1(Integer number1) {
this.number1 = number1;
}
public Integer getNumber2() {
return number2;
}
public void setNumber2(Integer number2) {
this.number2 = number2;
}
public String getOperator() {
return operator;
}
public void setOperator(String operator) {
this.operator = operator;
}
@Override
public String toString() {
return "Operation{" +
"number1=" + number1 +
", number2=" + number2 +
", operator='" + operator + '\'' +
'}';
}
}
@@ -0,0 +1,108 @@
package com.baeldung.opencsv;
import com.baeldung.opencsv.beans.NamedColumnBean;
import com.baeldung.opencsv.beans.SimplePositionBean;
import com.baeldung.opencsv.examples.sync.BeanExamples;
import com.baeldung.opencsv.examples.sync.CsvReaderExamples;
import com.baeldung.opencsv.examples.sync.CsvWriterExamples;
import com.baeldung.opencsv.helpers.Helpers;
import java.io.Reader;
import java.nio.file.Files;
import java.nio.file.Path;
public class Application {
/*
* Bean Examples.
*/
public static String simpleSyncPositionBeanExample() {
Path path = null;
try {
path = Helpers.twoColumnCsvPath();
} catch (Exception ex) {
Helpers.err(ex);
}
return BeanExamples.beanBuilderExample(path, SimplePositionBean.class).toString();
}
public static String namedSyncColumnBeanExample() {
Path path = null;
try {
path = Helpers.namedColumnCsvPath();
} catch (Exception ex) {
Helpers.err(ex);
}
return BeanExamples.beanBuilderExample(path, NamedColumnBean.class).toString();
}
public static String writeSyncCsvFromBeanExample() {
Path path = null;
try {
path = Helpers.fileOutBeanPath();
} catch (Exception ex) {
Helpers.err(ex);
}
return BeanExamples.writeCsvFromBean(path);
}
/*
* CSV Reader Examples.
*/
public static String oneByOneSyncExample() {
Reader reader = null;
try {
reader = Files.newBufferedReader(Helpers.twoColumnCsvPath());
} catch (Exception ex) {
Helpers.err(ex);
}
return CsvReaderExamples.oneByOne(reader).toString();
}
public static String readAllSyncExample() {
Reader reader = null;
try {
reader = Files.newBufferedReader(Helpers.twoColumnCsvPath());
} catch (Exception ex) {
Helpers.err(ex);
}
return CsvReaderExamples.readAll(reader).toString();
}
/*
* CSV Writer Examples.
*/
public static String csvWriterSyncOneByOne() {
Path path = null;
try {
path = Helpers.fileOutOnePath();
} catch (Exception ex) {
Helpers.err(ex);
}
return CsvWriterExamples.csvWriterOneByOne(Helpers.fourColumnCsvString(), path);
}
public static String csvWriterSyncAll() {
Path path = null;
try {
path = Helpers.fileOutAllPath();
} catch (Exception ex) {
Helpers.err(ex);
}
return CsvWriterExamples.csvWriterAll(Helpers.fourColumnCsvString(), path);
}
public static void main(String[] args) {
simpleSyncPositionBeanExample();
namedSyncColumnBeanExample();
writeSyncCsvFromBeanExample();
oneByOneSyncExample();
readAllSyncExample();
csvWriterSyncOneByOne();
csvWriterSyncAll();
}
}
@@ -0,0 +1,17 @@
package com.baeldung.opencsv;
public class Constants {
public static final String GENERIC_EXCEPTION = "EXCEPTION ENCOUNTERED: ";
public static final String GENERIC_SUCCESS = "SUCCESS";
public static final String TWO_COLUMN_CSV = "csv/twoColumn.csv";
public static final String FOUR_COLUMN_CSV = "csv/fourColumn.csv";
public static final String NAMED_COLUMN_CSV = "csv/namedColumn.csv";
public static final String CSV_All = "csv/writtenAll.csv";
public static final String CSV_BEAN = "csv/writtenBean.csv";
public static final String CSV_ONE = "csv/writtenOneByOne.csv";
}
@@ -0,0 +1,3 @@
package com.baeldung.opencsv.beans;
public class CsvBean { }
@@ -0,0 +1,31 @@
package com.baeldung.opencsv.beans;
import com.opencsv.bean.CsvBindByName;
public class NamedColumnBean extends CsvBean {
@CsvBindByName(column = "name")
private String name;
//Automatically infer column name as Age
@CsvBindByName
private int age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
@@ -0,0 +1,29 @@
package com.baeldung.opencsv.beans;
import com.opencsv.bean.CsvBindByPosition;
public class SimplePositionBean extends CsvBean {
@CsvBindByPosition(position = 0)
private String exampleColOne;
@CsvBindByPosition(position = 1)
private String exampleColTwo;
public String getExampleColOne() {
return exampleColOne;
}
private void setExampleColOne(String exampleColOne) {
this.exampleColOne = exampleColOne;
}
public String getExampleColTwo() {
return exampleColTwo;
}
private void setExampleCsvTwo (String exampleColTwo) {
this.exampleColTwo = exampleColTwo;
}
}
@@ -0,0 +1,40 @@
package com.baeldung.opencsv.beans;
public class WriteExampleBean extends CsvBean {
private String colA;
private String colB;
private String colC;
public WriteExampleBean(String colA, String colB, String colC) {
this.colA = colA;
this.colB = colB;
this.colC = colC;
}
public String getColA() {
return colA;
}
public void setColA(String colA) {
this.colA = colA;
}
public String getColB() {
return colB;
}
public void setColB(String colB) {
this.colB = colB;
}
public String getColC() {
return colC;
}
public void setColC(String colC) {
this.colC = colC;
}
}
@@ -0,0 +1,61 @@
package com.baeldung.opencsv.examples.sync;
import com.baeldung.opencsv.beans.CsvBean;
import com.baeldung.opencsv.beans.WriteExampleBean;
import com.baeldung.opencsv.helpers.Helpers;
import com.baeldung.opencsv.pojos.CsvTransfer;
import com.opencsv.CSVWriter;
import com.opencsv.bean.*;
import java.io.FileWriter;
import java.io.Reader;
import java.io.Writer;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
public class BeanExamples {
public static List<CsvBean> beanBuilderExample(Path path, Class clazz) {
CsvTransfer csvTransfer = new CsvTransfer();
try {
ColumnPositionMappingStrategy ms = new ColumnPositionMappingStrategy();
ms.setType(clazz);
Reader reader = Files.newBufferedReader(path);
CsvToBean cb = new CsvToBeanBuilder(reader)
.withType(clazz)
.withMappingStrategy(ms)
.build();
csvTransfer.setCsvList(cb.parse());
reader.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return csvTransfer.getCsvList();
}
public static String writeCsvFromBean(Path path) {
try {
Writer writer = new FileWriter(path.toString());
StatefulBeanToCsv sbc = new StatefulBeanToCsvBuilder(writer)
.withSeparator(CSVWriter.DEFAULT_SEPARATOR)
.build();
List<CsvBean> list = new ArrayList<>();
list.add(new WriteExampleBean("Test1", "sfdsf", "fdfd"));
list.add(new WriteExampleBean("Test2", "ipso", "facto"));
sbc.write(list);
writer.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return Helpers.readFile(path);
}
}
@@ -0,0 +1,63 @@
package com.baeldung.opencsv.examples.sync;
import com.baeldung.opencsv.helpers.Helpers;
import com.opencsv.CSVParser;
import com.opencsv.CSVParserBuilder;
import com.opencsv.CSVReader;
import com.opencsv.CSVReaderBuilder;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
public class CsvReaderExamples {
public static List<String[]> readAll(Reader reader) {
CSVParser parser = new CSVParserBuilder()
.withSeparator(',')
.withIgnoreQuotations(true)
.build();
CSVReader csvReader = new CSVReaderBuilder(reader)
.withSkipLines(0)
.withCSVParser(parser)
.build();
List<String[]> list = new ArrayList<>();
try {
list = csvReader.readAll();
reader.close();
csvReader.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return list;
}
public static List<String[]> oneByOne(Reader reader) {
List<String[]> list = new ArrayList<>();
try {
CSVParser parser = new CSVParserBuilder()
.withSeparator(',')
.withIgnoreQuotations(true)
.build();
CSVReader csvReader = new CSVReaderBuilder(reader)
.withSkipLines(0)
.withCSVParser(parser)
.build();
String[] line;
while ((line = csvReader.readNext()) != null) {
list.add(line);
}
reader.close();
csvReader.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return list;
}
}
@@ -0,0 +1,35 @@
package com.baeldung.opencsv.examples.sync;
import com.baeldung.opencsv.helpers.Helpers;
import com.opencsv.CSVWriter;
import java.io.FileWriter;
import java.nio.file.Path;
import java.util.List;
public class CsvWriterExamples {
public static String csvWriterOneByOne(List<String[]> stringArray, Path path) {
try {
CSVWriter writer = new CSVWriter(new FileWriter(path.toString()));
for (String[] array : stringArray) {
writer.writeNext(array);
}
writer.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return Helpers.readFile(path);
}
public static String csvWriterAll(List<String[]> stringArray, Path path) {
try {
CSVWriter writer = new CSVWriter(new FileWriter(path.toString()));
writer.writeAll(stringArray);
writer.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return Helpers.readFile(path);
}
}
@@ -0,0 +1,108 @@
package com.baeldung.opencsv.helpers;
import com.baeldung.opencsv.Constants;
import java.io.BufferedReader;
import java.io.FileReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
public class Helpers {
/**
* Write Files
*/
public static Path fileOutAllPath() throws URISyntaxException {
URI uri = ClassLoader.getSystemResource(Constants.CSV_All).toURI();
return Paths.get(uri);
}
public static Path fileOutBeanPath() throws URISyntaxException {
URI uri = ClassLoader.getSystemResource(Constants.CSV_BEAN).toURI();
return Paths.get(uri);
}
public static Path fileOutOnePath() throws URISyntaxException {
URI uri = ClassLoader.getSystemResource(Constants.CSV_ONE).toURI();
return Paths.get(uri);
}
/**
* Read Files
*/
public static Path twoColumnCsvPath() throws URISyntaxException {
URI uri = ClassLoader.getSystemResource(Constants.TWO_COLUMN_CSV).toURI();
return Paths.get(uri);
}
public static Path fourColumnCsvPath() throws URISyntaxException {
URI uri = ClassLoader.getSystemResource(Constants.FOUR_COLUMN_CSV).toURI();
return Paths.get(uri);
}
public static Path namedColumnCsvPath() throws URISyntaxException {
URI uri = ClassLoader.getSystemResource(Constants.NAMED_COLUMN_CSV).toURI();
return Paths.get(uri);
}
/**
* Simple File Reader
*/
public static String readFile(Path path) {
String response = "";
try {
FileReader fr = new FileReader(path.toString());
BufferedReader br = new BufferedReader(fr);
String strLine;
StringBuffer sb = new StringBuffer();
while ((strLine = br.readLine()) != null) {
sb.append(strLine);
}
response = sb.toString();
System.out.println(response);
fr.close();
br.close();
} catch (Exception ex) {
Helpers.err(ex);
}
return response;
}
/**
* Dummy Data for Writing.
*/
public static List<String[]> twoColumnCsvString() {
List<String[]> list = new ArrayList<>();
list.add(new String[]{"ColA", "ColB"});
list.add(new String[]{"A", "B"});
return list;
}
public static List<String[]> fourColumnCsvString() {
List<String[]> list = new ArrayList<>();
list.add(new String[]{"ColA", "ColB", "ColC", "ColD"});
list.add(new String[]{"A", "B", "A", "B"});
list.add(new String[]{"BB", "AB", "AA", "B"});
return list;
}
/**
* Message Helpers
*/
public static void print(String msg) {
System.out.println(msg);
}
public static void err(Exception ex) {
System.out.println(Constants.GENERIC_EXCEPTION + " " + ex);
}
}
@@ -0,0 +1,38 @@
package com.baeldung.opencsv.pojos;
import com.baeldung.opencsv.beans.CsvBean;
import java.util.ArrayList;
import java.util.List;
public class CsvTransfer {
private List<String[]> csvStringList;
private List<CsvBean> csvList;
public CsvTransfer() {}
public List<String[]> getCsvStringList() {
if (csvStringList != null) return csvStringList;
return new ArrayList<String[]>();
}
public void addLine(String[] line) {
if (this.csvList == null) this.csvStringList = new ArrayList<>();
this.csvStringList.add(line);
}
public void setCsvStringList(List<String[]> csvStringList) {
this.csvStringList = csvStringList;
}
public void setCsvList(List<CsvBean> csvList) {
this.csvList = csvList;
}
public List<CsvBean> getCsvList() {
if (csvList != null) return csvList;
return new ArrayList<CsvBean>();
}
}
@@ -0,0 +1,5 @@
ColA,ColB,ColC,ColD
A,B,B,B
C,D,W,W
G,G,E,E
G,F,Q,Q
1 ColA ColB ColC ColD
2 A B B B
3 C D W W
4 G G E E
5 G F Q Q
@@ -0,0 +1,5 @@
name,age
adam,1000
martin,27
gigi,41
seraphine,30
1 name age
2 adam 1000
3 martin 27
4 gigi 41
5 seraphine 30
@@ -0,0 +1,5 @@
ColA,ColB
A,B
C,D
G,G
G,F
1 ColA ColB
2 A B
3 C D
4 G G
5 G F
@@ -28,7 +28,7 @@ import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
public class AsyncHttpClientTestCase {
public class AsyncHttpClientLiveTest {
private static AsyncHttpClient HTTP_CLIENT;
@@ -2,11 +2,9 @@ package com.baeldung.atlassian.fugue;
import io.atlassian.fugue.*;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import java.util.NoSuchElementException;
import java.util.Optional;
import java.util.*;
import java.util.function.Function;
import static org.junit.Assert.*;
@@ -14,10 +12,6 @@ import static io.atlassian.fugue.Unit.Unit;
public class FugueTest {
@Before
public void setup() {
}
@Test
public void whenSome_thenDefined() {
Option<String> some = Option.some("value");
@@ -47,7 +41,11 @@ public class FugueTest {
@Test
public void whenNullOption_thenSome() {
Option<Object> some = Option.some("value").map(x -> null);
Option<String> some = Option.some("value") .map(String::toUpperCase);
assertEquals("VALUE", some.get());
some = some.map(x -> null);
assertNull(some.get());
some.forEach(Assert::assertNull);
@@ -74,6 +72,33 @@ public class FugueTest {
}
@Test
public void whenOption_thenIterable() {
Option<String> some = Option.some("value");
Iterable<String> strings = Iterables.concat(some, Arrays.asList("a", "b", "c"));
List<String> stringList = new ArrayList<>();
Iterables.addAll(stringList, strings);
assertEquals(4, stringList.size());
}
@Test
public void whenOption_thenStream() {
assertEquals(0, Option.none().toStream().count());
assertEquals(1, Option.some("value").toStream().count());
}
@Test
public void whenLift_thenPartialFunction() {
Function<Integer, Integer> f = (Integer x) -> x > 0 ? x + 1 : null;
Function<Option<Integer>, Option<Integer>> lifted = Options.lift(f);
assertEquals(2, (long) lifted.apply(Option.some(1)).get());
assertTrue(lifted.apply(Option.none()).isEmpty());
assertEquals(null, lifted.apply(Option.some(0)).get());
}
@Test
public void whenLeft_thenEither() {
Either<Integer, String> right = Either.right("value");
Either<Integer, String> left = Either.left(-1);
@@ -92,6 +117,8 @@ public class FugueTest {
assertTrue(either.isRight());
assertEquals("value", either.right().get());
either.right().forEach(x -> assertEquals("value", x));
}
private static String decodeSQLErrorCode(Integer x) {
@@ -193,4 +220,12 @@ public class FugueTest {
return Unit();
}
@Test
public void whenPair_thenLeftAndRight() {
Pair<Integer, String> pair = Pair.pair(1, "a");
assertEquals(1, (int) pair.left());
assertEquals("a", pair.right());
}
}
@@ -16,7 +16,7 @@ import static org.awaitility.Awaitility.setDefaultTimeout;
import static org.awaitility.proxy.AwaitilityClassProxy.to;
import static org.hamcrest.Matchers.equalTo;
public class AsyncServiceLongRunningUnitTest {
public class AsyncServiceLongRunningManualTest {
private AsyncService asyncService;
@Before
@@ -4,7 +4,7 @@ import org.junit.Test;
import static org.junit.Assert.assertTrue;
public class Docx4jReadAndWriteTest {
public class Docx4jReadAndWriteIntegrationTest {
private static final String imagePath = "src/main/resources/image.jpg";
private static final String outputPath = "helloWorld.docx";
@@ -10,7 +10,7 @@ import java.util.stream.LongStream;
import static org.assertj.core.api.AssertionsForInterfaceTypes.assertThat;
public class HLLLongRunningUnitTest {
public class HLLLongRunningManualTest {
@Test
public void givenHLL_whenAddHugeAmountOfNumbers_thenShouldReturnEstimatedCardinality() {
@@ -14,7 +14,7 @@ import javax.cache.spi.CachingProvider;
import static org.junit.Assert.assertEquals;
public class EventListenerTest {
public class EventListenerIntegrationTest {
private static final String CACHE_NAME = "MyCache";
@@ -0,0 +1,351 @@
package com.baeldung.jets3t;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jets3t.service.S3Service;
import org.jets3t.service.ServiceException;
import org.jets3t.service.impl.rest.httpclient.RestS3Service;
import org.jets3t.service.model.S3Bucket;
import org.jets3t.service.model.S3Object;
import org.jets3t.service.model.StorageObject;
import org.jets3t.service.security.AWSCredentials;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.*;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.stream.Collectors;
import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
import static junit.framework.TestCase.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
public class JetS3tLiveTest {
private Log log = LogFactory.getLog(JetS3tLiveTest.class);
private static final String BucketName = "baeldung-barfoo";
private static final String TestString = "test string";
private static final String TestStringName = "string object";
private static final String TgtBucket = "baeldung-tgtbucket";
private static S3Service s3Service;
@BeforeClass
public static void connectS3() throws Exception {
// Replace with your keys
String awsAccessKey = "your access key";
String awsSecretKey = "your secret key";
// Create credentials
AWSCredentials awsCredentials = new AWSCredentials(awsAccessKey, awsSecretKey);
// Create service
s3Service = new RestS3Service(awsCredentials);
}
@Test
public void givenCreate_AndDeleteBucket_CountGoesUpThenDown() throws Exception {
// List buckets, get a count
S3Bucket[] myBuckets = s3Service.listAllBuckets();
int count = Arrays.stream(myBuckets).map(S3Bucket::getName).collect(Collectors.toList()).size();
// Create a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
// List again
myBuckets = s3Service.listAllBuckets();
int newCount = Arrays.stream(myBuckets).map(S3Bucket::getName).collect(Collectors.toList()).size();
// We should have one more
assertEquals((count + 1), newCount);
// Delete so next test doesn't fail
deleteBucket();
// Check the count again, just for laughs
myBuckets = s3Service.listAllBuckets();
newCount = Arrays.stream(myBuckets).map(S3Bucket::getName).collect(Collectors.toList()).size();
assertEquals(count, newCount);
}
private S3Bucket createBucket() throws Exception {
S3Bucket bucket = s3Service.createBucket(BucketName);
log.info(bucket);
return bucket;
}
private void deleteBucket() throws ServiceException {
s3Service.deleteBucket(BucketName);
}
@Test
public void givenString_Uploaded_StringInfoIsAvailable() throws Exception {
// Create a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
// Upload a string
uploadStringData();
// Get the details
StorageObject objectDetailsOnly = s3Service.getObjectDetails(BucketName, TestStringName);
log.info("Content type: " + objectDetailsOnly.getContentType() + " length: " + objectDetailsOnly.getContentLength());
// Delete it
deleteObject(TestStringName);
// For next test
deleteBucket();
}
private void uploadStringData() throws Exception {
S3Object stringObject = new S3Object(TestStringName, TestString);
s3Service.putObject(BucketName, stringObject);
log.info("Content type:" + stringObject.getContentType());
}
private void deleteObject(String objectName) throws ServiceException {
s3Service.deleteObject(BucketName, objectName);
}
@Test
public void givenStringUploaded_StringIsDownloaded() throws Exception {
// Get a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
uploadStringData();
// Download
S3Object stringObject = s3Service.getObject(BucketName, TestStringName);
// Process stream into a string
String downloadedString = new BufferedReader(new InputStreamReader(stringObject.getDataInputStream())).lines().collect(Collectors.joining("\n"));
// Verify
assertTrue(TestString.equals(downloadedString));
// Clean up for next test
deleteObject(TestStringName);
deleteBucket();
}
@Test
public void givenBinaryFileUploaded_FileIsDownloaded() throws Exception {
// get a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
// Put a binary file
S3Object fileObject = new S3Object(new File("src/test/resources/test.jpg"));
s3Service.putObject(BucketName, fileObject);
// Print info about type and name
log.info("Content type:" + fileObject.getContentType());
log.info("File object name is " + fileObject.getName());
// Download
S3Object newFileObject = s3Service.getObject(BucketName, "test.jpg");
// Save to a different name
File newFile = new File("src/test/resources/newtest.jpg");
Files.copy(newFileObject.getDataInputStream(), newFile.toPath(), REPLACE_EXISTING);
// Get hashes and compare
String origMD5 = getFileMD5("src/test/resources/test.jpg");
String newMD5 = getFileMD5("src/test/resources/newtest.jpg");
assertTrue(origMD5.equals(newMD5));
// Clean up
deleteObject("test.jpg");
deleteBucket();
}
// Get MD5 hash for a file
private String getFileMD5(String filename) throws IOException {
try (FileInputStream fis = new FileInputStream(new File(filename))) {
return DigestUtils.md5Hex(fis);
}
}
@Test
public void givenStreamDataUploaded_StreamDataIsDownloaded() throws Exception {
// get a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
ArrayList<Integer> numbers = new ArrayList<>();
numbers.add(2);
numbers.add(3);
numbers.add(5);
numbers.add(7);
// Serialize ArrayList
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(bytes);
objectOutputStream.writeObject(numbers);
// Wrap bytes
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bytes.toByteArray());
// Create and populate object
S3Object streamObject = new S3Object("stream");
streamObject.setDataInputStream(byteArrayInputStream);
streamObject.setContentLength(byteArrayInputStream.available());
streamObject.setContentType("binary/octet-stream");
// Put it
s3Service.putObject(BucketName, streamObject);
// Get it
S3Object newStreamObject = s3Service.getObject(BucketName, "stream");
// Convert back to ArrayList
ObjectInputStream objectInputStream = new ObjectInputStream(newStreamObject.getDataInputStream());
ArrayList<Integer> newNumbers = (ArrayList<Integer>)objectInputStream.readObject();
assertEquals(2, (int)newNumbers.get(0));
assertEquals(3, (int)newNumbers.get(1));
assertEquals(5, (int)newNumbers.get(2));
assertEquals(7, (int)newNumbers.get(3));
// Clean up
deleteObject("stream");
deleteBucket();
}
@Test
public void whenFileCopied_CopyIsSame() throws Exception {
// get a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
// Put a binary file
S3Object fileObject = new S3Object(new File("src/test/resources/test.jpg"));
s3Service.putObject(BucketName, fileObject);
// Copy it
S3Object targetObject = new S3Object("testcopy.jpg");
s3Service.copyObject(BucketName, "test.jpg", BucketName, targetObject, false);
// Download
S3Object newFileObject = s3Service.getObject(BucketName, "testcopy.jpg");
// Save to a different name
File newFile = new File("src/test/resources/testcopy.jpg");
Files.copy(newFileObject.getDataInputStream(), newFile.toPath(), REPLACE_EXISTING);
// Get hashes and compare
String origMD5 = getFileMD5("src/test/resources/test.jpg");
String newMD5 = getFileMD5("src/test/resources/testcopy.jpg");
assertTrue(origMD5.equals(newMD5));
// Clean up
deleteObject("test.jpg");
deleteObject("testcopy.jpg");
deleteBucket();
}
@Test
public void whenFileRenamed_NewNameIsSame() throws Exception {
// get a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
// Put a binary file
S3Object fileObject = new S3Object(new File("src/test/resources/test.jpg"));
s3Service.putObject(BucketName, fileObject);
// Copy it
s3Service.renameObject(BucketName, "test.jpg", new S3Object("spidey.jpg"));
// Download
S3Object newFileObject = s3Service.getObject(BucketName, "spidey.jpg");
// Save to a different name
File newFile = new File("src/test/resources/spidey.jpg");
Files.copy(newFileObject.getDataInputStream(), newFile.toPath(), REPLACE_EXISTING);
// Get hashes and compare
String origMD5 = getFileMD5("src/test/resources/test.jpg");
String newMD5 = getFileMD5("src/test/resources/spidey.jpg");
assertTrue(origMD5.equals(newMD5));
// Clean up
deleteObject("test.jpg");
deleteObject("spidey.jpg");
deleteBucket();
}
@Test
public void whenFileMoved_NewInstanceIsSame() throws Exception {
// get a bucket
S3Bucket bucket = createBucket();
assertNotNull(bucket);
// create another bucket
S3Bucket tgtBucket = s3Service.createBucket(TgtBucket);
// Put a binary file
S3Object fileObject = new S3Object(new File("src/test/resources/test.jpg"));
s3Service.putObject(BucketName, fileObject);
// Copy it
s3Service.moveObject(BucketName, "test.jpg", TgtBucket,
new S3Object("spidey.jpg"), false);
// Download
S3Object newFileObject = s3Service.getObject(TgtBucket, "spidey.jpg");
// Save to a different name
File newFile = new File("src/test/resources/spidey.jpg");
Files.copy(newFileObject.getDataInputStream(), newFile.toPath(), REPLACE_EXISTING);
// Get hashes and compare
String origMD5 = getFileMD5("src/test/resources/test.jpg");
String newMD5 = getFileMD5("src/test/resources/spidey.jpg");
assertTrue(origMD5.equals(newMD5));
// Clean up
deleteBucket();
s3Service.deleteObject(TgtBucket, "spidey.jpg");
s3Service.deleteBucket(TgtBucket);
}
}
@@ -0,0 +1,97 @@
package com.baeldung.netty;
import java.nio.charset.Charset;
import static org.assertj.core.api.Assertions.*;
import org.assertj.core.api.Assertions;
import org.junit.Test;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.FullHttpRequest;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
public class EmbeddedChannelUnitTest {
@Test
public void givenTwoChannelHandlers_testPipeline() {
final FullHttpRequest httpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET,
"/calculate?a=10&b=5");
httpRequest.headers().add("Operator", "Add");
EmbeddedChannel channel = new EmbeddedChannel(new HttpMessageHandler(), new CalculatorOperationHandler());
channel.pipeline().addFirst(new HttpMessageHandler()).addLast(new CalculatorOperationHandler());
// send HTTP request to server and check that the message is on the inbound pipeline
assertThat(channel.writeInbound(httpRequest)).isTrue();
long inboundChannelResponse = channel.readInbound();
assertThat(inboundChannelResponse).isEqualTo(15);
// we should have an outbound message in the form of a HTTP response
assertThat(channel.outboundMessages().size()).isEqualTo(1);
// Object response = channel.readOutbound();
FullHttpResponse httpResponse = channel.readOutbound();
String httpResponseContent = httpResponse.content().toString(Charset.defaultCharset());
assertThat(httpResponseContent).isEqualTo("15");
}
@Test
public void givenTwoChannelHandlers_testExceptionHandlingInHttpMessageHandler() {
EmbeddedChannel channel = new EmbeddedChannel(new HttpMessageHandler(), new CalculatorOperationHandler());
final FullHttpRequest wrongHttpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST,
"/calculate?a=10&b=5");
wrongHttpRequest.headers().add("Operator", "Add");
Throwable thrownException = catchThrowable(() -> {
// send invalid HTTP request to server and expect and error
channel.pipeline().fireChannelRead(wrongHttpRequest);
channel.checkException();
Assertions.failBecauseExceptionWasNotThrown(UnsupportedOperationException.class);
});
assertThat(thrownException)
.isInstanceOf(UnsupportedOperationException.class)
.hasMessage("HTTP method not supported");
FullHttpResponse errorHttpResponse = channel.readOutbound();
String errorHttpResponseContent = errorHttpResponse.content().toString(Charset.defaultCharset());
assertThat(errorHttpResponseContent).isEqualToIgnoringCase("Operation not defined");
assertThat(errorHttpResponse.status()).isEqualTo(HttpResponseStatus.INTERNAL_SERVER_ERROR);
}
@Test
public void givenTwoChannelHandlers_testExceptionHandlingInCalculatorOperationHandler() {
EmbeddedChannel channel = new EmbeddedChannel(new HttpMessageHandler(), new CalculatorOperationHandler());
final FullHttpRequest wrongHttpRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET,
"/calculate?a=10&b=5");
wrongHttpRequest.headers().add("Operator", "Invalid_operation");
Throwable thrownException = catchThrowable(() -> {
// send invalid HTTP request to server and expect and error
channel.writeInbound(wrongHttpRequest);
Assertions.failBecauseExceptionWasNotThrown(IllegalArgumentException.class);
});
// the HttpMessageHandler does not handle the exception and throws it down the
// pipeline
assertThat(thrownException).isInstanceOf(IllegalArgumentException.class).hasMessage("Operation not defined");
// the outbound message is a HTTP response with the status code 500
FullHttpResponse errorHttpResponse = channel.readOutbound();
String errorHttpResponseContent = errorHttpResponse.content().toString(Charset.defaultCharset());
assertThat(errorHttpResponseContent).isEqualToIgnoringCase("Operation not defined");
assertThat(errorHttpResponse.status()).isEqualTo(HttpResponseStatus.INTERNAL_SERVER_ERROR);
}
}
@@ -0,0 +1,66 @@
package com.baeldung.opencsv;
import com.baeldung.opencsv.helpers.Helpers;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class OpenCsvTest {
private Object testReadCsv(Object result) {
assert (result != null);
assert (result instanceof String);
assert (!((String) result).isEmpty());
System.out.println(result);
return result;
}
private Object testWriteCsv(Object result) {
assert (result instanceof String);
assert (!((String) result).isEmpty());
return result;
}
@Before
public void setup() {
}
@Test
public void positionExampleTest() {
testReadCsv(Application.simpleSyncPositionBeanExample());
}
@Test
public void namedColumnExampleTest() {
testReadCsv(Application.namedSyncColumnBeanExample());
}
@Test
public void writeCsvUsingBeanBuilderTest() {
testWriteCsv(Application.writeSyncCsvFromBeanExample());
}
@Test
public void oneByOneExampleTest() {
testReadCsv(Application.oneByOneSyncExample());
}
@Test
public void readAllExampleTest() {
testReadCsv(Application.readAllSyncExample());
}
@Test
public void csvWriterOneByOneTest() {
testWriteCsv(Application.csvWriterSyncOneByOne());
}
@Test
public void csvWriterAllTest() {
testWriteCsv(Application.csvWriterSyncAll());
}
@After
public void close() {
}
}
@@ -11,7 +11,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
import static org.assertj.core.api.Java6Assertions.assertThat;
import static org.junit.Assert.assertTrue;
public class AccountTest {
public class AccountUnitTest {
@Test
public void givenAccount_whenDecrement_thenShouldReturnProperValue() {
@@ -0,0 +1,5 @@
ColA,ColB,ColC,ColD
A,B,B,B
C,D,W,W
G,G,E,E
G,F,Q,Q
1 ColA ColB ColC ColD
2 A B B B
3 C D W W
4 G G E E
5 G F Q Q
@@ -0,0 +1,5 @@
name,age
adam,1000
martin,27
gigi,41
seraphine,30
1 name age
2 adam 1000
3 martin 27
4 gigi 41
5 seraphine 30
@@ -0,0 +1,5 @@
ColA,ColB
A,B
C,D
G,G
G,F
1 ColA ColB
2 A B
3 C D
4 G G
5 G F