Merge remote-tracking branch 'upstream/master'

This commit is contained in:
amdegregorio
2019-01-20 15:06:47 -05:00
71 changed files with 2048 additions and 307 deletions
@@ -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();
}
@@ -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);
}
}
+1
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@@ -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)
+2 -1
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)
@@ -62,7 +62,7 @@ public class NewDirectoryUnitTest {
@Test
public void givenUnexistingNestedDirectories_whenMkdirs_thenTrue() {
File newDirectory = new File(TEMP_DIRECTORY, "new_directory");
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());
@@ -1,60 +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.jupiter.api.Test;
import org.junit.Test;
import java.io.File;
import java.io.FileInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static java.nio.channels.Channels.newChannel;
import static org.junit.Assert.assertEquals;
class InputStreamToByteBufferUnitTest {
public class InputStreamToByteBufferUnitTest {
@Test
public void givenUsingCoreClasses_whenWritingAFileIntoAByteBuffer_thenBytesLengthMustMatch() throws IOException {
File inputFile = getFile();
ByteBuffer bufferByte = ByteBuffer.allocate((int) inputFile.length());
FileInputStream in = new FileInputStream(inputFile);
in.getChannel().read(bufferByte);
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(bufferByte.position(), inputFile.length());
assertEquals(byteBuffer.position(), input.length);
}
@Test
public void givenUsingCommonsIo_whenWritingAFileIntoAByteBuffer_thenBytesLengthMustMatch() throws IOException {
File inputFile = getFile();
ByteBuffer bufferByte = ByteBuffer.allocateDirect((int) inputFile.length());
ReadableByteChannel readableByteChannel = new FileInputStream(inputFile).getChannel();
IOUtils.readFully(readableByteChannel, bufferByte);
assertEquals(bufferByte.position(), inputFile.length());
}
@Test
public void givenUsingGuava_whenWritingAFileIntoAByteBuffer_thenBytesLengthMustMatch() throws IOException {
File inputFile = getFile();
FileInputStream in = new FileInputStream(inputFile);
byte[] targetArray = ByteStreams.toByteArray(in);
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);
bufferByte.rewind();
while (bufferByte.hasRemaining()) {
bufferByte.get();
}
assertEquals(bufferByte.position(), inputFile.length());
assertEquals(bufferByte.position(), targetArray.length);
}
private File getFile() {
ClassLoader classLoader = new InputStreamToByteBufferUnitTest().getClass().getClassLoader();
@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);
String fileName = "frontenac-2257154_960_720.jpg";
return new File(classLoader.getResource(fileName).getFile());
assertEquals(byteBuffer.position(), input.length);
}
}
@@ -0,0 +1,61 @@
package com.baeldung.forEach
class Country(val name : String, val cities : List<City>)
class City(val name : String, val streets : List<String>)
class World {
private val streetsOfAmsterdam = listOf("Herengracht", "Prinsengracht")
private val streetsOfBerlin = listOf("Unter den Linden","Tiergarten")
private val streetsOfMaastricht = listOf("Grote Gracht", "Vrijthof")
private val countries = listOf(
Country("Netherlands", listOf(City("Maastricht", streetsOfMaastricht),
City("Amsterdam", streetsOfAmsterdam))),
Country("Germany", listOf(City("Berlin", streetsOfBerlin))))
fun allCountriesIt() {
countries.forEach { println(it.name) }
}
fun allCountriesItExplicit() {
countries.forEach { it -> println(it.name) }
}
//here we cannot refer to 'it' anymore inside the forEach
fun allCountriesExplicit() {
countries.forEach { c -> println(c.name) }
}
fun allNested() {
countries.forEach {
println(it.name)
it.cities.forEach {
println(" ${it.name}")
it.streets.forEach { println(" $it") }
}
}
}
fun allTable() {
countries.forEach { c ->
c.cities.forEach { p ->
p.streets.forEach { println("${c.name} ${p.name} $it") }
}
}
}
}
fun main(args : Array<String>) {
val world = World()
world.allCountriesExplicit()
world.allNested()
world.allTable()
}
@@ -0,0 +1,51 @@
package com.baeldung.voidtypes
import org.junit.jupiter.api.Test
import kotlin.test.assertNull
import kotlin.test.assertTrue
class VoidTypesUnitTest {
fun returnTypeAsVoid(): Void? {
println("Function can have Void as return type")
return null
}
fun unitReturnTypeForNonMeaningfulReturns(): Unit {
println("No meaningful return")
}
fun unitReturnTypeIsImplicit() {
println("Unit Return type is implicit")
}
fun alwaysThrowException(): Nothing {
throw IllegalArgumentException()
}
fun invokeANothingOnlyFunction() {
alwaysThrowException()
var name = "Tom"
}
@Test
fun givenJavaVoidFunction_thenMappedToKotlinUnit() {
assertTrue(System.out.println() is Unit)
}
@Test
fun givenVoidReturnType_thenReturnsNullOnly() {
assertNull(returnTypeAsVoid())
}
@Test
fun givenUnitReturnTypeDeclared_thenReturnsOfTypeUnit() {
assertTrue(unitReturnTypeForNonMeaningfulReturns() is Unit)
}
@Test
fun givenUnitReturnTypeNotDeclared_thenReturnsOfTypeUnit() {
assertTrue(unitReturnTypeIsImplicit() is Unit)
}
}
@@ -32,7 +32,7 @@ public class Customer {
return this.points > points;
}
public boolean hasOverThousandPoints() {
public boolean hasOverHundredPoints() {
return this.points > 100;
}
@@ -0,0 +1,8 @@
package com.baeldung.stream.sum;
public class ArithmeticUtils {
public static int add(int a, int b) {
return a + b;
}
}
@@ -0,0 +1,31 @@
package com.baeldung.stream.sum;
public class Item {
private int id;
private Integer price;
public Item(int id, Integer price) {
super();
this.id = id;
this.price = price;
}
// Standard getters and setters
public long getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public Integer getPrice() {
return price;
}
public void setPrice(Integer price) {
this.price = price;
}
}
@@ -0,0 +1,59 @@
package com.baeldung.stream.sum;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class StreamSumCalculator {
public static Integer getSumUsingCustomizedAccumulator(List<Integer> integers) {
return integers.stream()
.reduce(0, ArithmeticUtils::add);
}
public static Integer getSumUsingJavaAccumulator(List<Integer> integers) {
return integers.stream()
.reduce(0, Integer::sum);
}
public static Integer getSumUsingReduce(List<Integer> integers) {
return integers.stream()
.reduce(0, (a, b) -> a + b);
}
public static Integer getSumUsingCollect(List<Integer> integers) {
return integers.stream()
.collect(Collectors.summingInt(Integer::intValue));
}
public static Integer getSumUsingSum(List<Integer> integers) {
return integers.stream()
.mapToInt(Integer::intValue)
.sum();
}
public static Integer getSumOfMapValues(Map<Object, Integer> map) {
return map.values()
.stream()
.mapToInt(Integer::valueOf)
.sum();
}
public static Integer getSumIntegersFromString(String str) {
Integer sum = Arrays.stream(str.split(" "))
.filter((s) -> s.matches("\\d+"))
.mapToInt(Integer::valueOf)
.sum();
return sum;
}
}
@@ -0,0 +1,38 @@
package com.baeldung.stream.sum;
import java.util.List;
import java.util.stream.Collectors;
public class StreamSumCalculatorWithObject {
public static Integer getSumUsingCustomizedAccumulator(List<Item> items) {
return items.stream()
.map(x -> x.getPrice())
.reduce(0, ArithmeticUtils::add);
}
public static Integer getSumUsingJavaAccumulator(List<Item> items) {
return items.stream()
.map(x -> x.getPrice())
.reduce(0, Integer::sum);
}
public static Integer getSumUsingReduce(List<Item> items) {
return items.stream()
.map(item -> item.getPrice())
.reduce(0, (a, b) -> a + b);
}
public static Integer getSumUsingCollect(List<Item> items) {
return items.stream()
.map(x -> x.getPrice())
.collect(Collectors.summingInt(Integer::intValue));
}
public static Integer getSumUsingSum(List<Item> items) {
return items.stream()
.mapToInt(x -> x.getPrice())
.sum();
}
}
@@ -0,0 +1,72 @@
package com.baeldung.stream.filter;
import org.junit.Test;
import org.junit.Before;
import java.util.Arrays;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
public class StreamCountUnitTest {
private List<Customer> customers;
@Before
public void setUp() {
Customer john = new Customer("John P.", 15, "https://images.unsplash.com/photo-1543320485-d0d5a49c2b2e");
Customer sarah = new Customer("Sarah M.", 200);
Customer charles = new Customer("Charles B.", 150);
Customer mary = new Customer("Mary T.", 1, "https://images.unsplash.com/photo-1543297057-25167dfc180e");
customers = Arrays.asList(john, sarah, charles, mary);
}
@Test
public void givenListOfCustomers_whenCount_thenGetListSize() {
long count = customers
.stream()
.count();
assertThat(count).isEqualTo(4L);
}
@Test
public void givenListOfCustomers_whenFilterByPointsOver100AndCount_thenGetTwo() {
long countBigCustomers = customers
.stream()
.filter(c -> c.getPoints() > 100)
.count();
assertThat(countBigCustomers).isEqualTo(2L);
}
@Test
public void givenListOfCustomers_whenFilterByPointsAndNameAndCount_thenGetOne() {
long count = customers
.stream()
.filter(c -> c.getPoints() > 10 && c.getName().startsWith("Charles"))
.count();
assertThat(count).isEqualTo(1L);
}
@Test
public void givenListOfCustomers_whenNoneMatchesFilterAndCount_thenGetZero() {
long count = customers
.stream()
.filter(c -> c.getPoints() > 500)
.count();
assertThat(count).isEqualTo(0L);
}
@Test
public void givenListOfCustomers_whenUsingMethodOverHundredPointsAndCount_thenGetTwo() {
long count = customers
.stream()
.filter(Customer::hasOverHundredPoints)
.count();
assertThat(count).isEqualTo(2L);
}
}
@@ -62,7 +62,7 @@ public class StreamFilterUnitTest {
List<Customer> customersWithMoreThan100Points = customers
.stream()
.filter(Customer::hasOverThousandPoints)
.filter(Customer::hasOverHundredPoints)
.collect(Collectors.toList());
assertThat(customersWithMoreThan100Points).hasSize(2);
@@ -81,7 +81,7 @@ public class StreamFilterUnitTest {
.flatMap(c -> c
.map(Stream::of)
.orElseGet(Stream::empty))
.filter(Customer::hasOverThousandPoints)
.filter(Customer::hasOverHundredPoints)
.collect(Collectors.toList());
assertThat(customersWithMoreThan100Points).hasSize(2);
@@ -156,4 +156,5 @@ public class StreamFilterUnitTest {
})
.collect(Collectors.toList())).isInstanceOf(RuntimeException.class);
}
}
@@ -0,0 +1,136 @@
package com.baeldung.stream.sum;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.jupiter.api.Test;
public class StreamSumUnitTest {
@Test
public void givenListOfIntegersWhenSummingUsingCustomizedAccumulatorThenCorrectValueReturned() {
List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
Integer sum = StreamSumCalculator.getSumUsingCustomizedAccumulator(integers);
assertEquals(15, sum.intValue());
}
@Test
public void givenListOfIntegersWhenSummingUsingJavaAccumulatorThenCorrectValueReturned() {
List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
Integer sum = StreamSumCalculator.getSumUsingJavaAccumulator(integers);
assertEquals(15, sum.intValue());
}
@Test
public void givenListOfIntegersWhenSummingUsingReduceThenCorrectValueReturned() {
List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
Integer sum = StreamSumCalculator.getSumUsingReduce(integers);
assertEquals(15, sum.intValue());
}
@Test
public void givenListOfIntegersWhenSummingUsingCollectThenCorrectValueReturned() {
List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
Integer sum = StreamSumCalculator.getSumUsingCollect(integers);
assertEquals(15, sum.intValue());
}
@Test
public void givenListOfIntegersWhenSummingUsingSumThenCorrectValueReturned() {
List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
Integer sum = StreamSumCalculator.getSumUsingSum(integers);
assertEquals(15, sum.intValue());
}
@Test
public void givenListOfItemsWhenSummingUsingCustomizedAccumulatorThenCorrectValueReturned() {
Item item1 = new Item(1, 10);
Item item2 = new Item(2, 15);
Item item3 = new Item(3, 25);
Item item4 = new Item(4, 40);
List<Item> items = Arrays.asList(item1, item2, item3, item4);
Integer sum = StreamSumCalculatorWithObject.getSumUsingCustomizedAccumulator(items);
assertEquals(90, sum.intValue());
}
@Test
public void givenListOfItemsWhenSummingUsingJavaAccumulatorThenCorrectValueReturned() {
Item item1 = new Item(1, 10);
Item item2 = new Item(2, 15);
Item item3 = new Item(3, 25);
Item item4 = new Item(4, 40);
List<Item> items = Arrays.asList(item1, item2, item3, item4);
Integer sum = StreamSumCalculatorWithObject.getSumUsingJavaAccumulator(items);
assertEquals(90, sum.intValue());
}
@Test
public void givenListOfItemsWhenSummingUsingReduceThenCorrectValueReturned() {
Item item1 = new Item(1, 10);
Item item2 = new Item(2, 15);
Item item3 = new Item(3, 25);
Item item4 = new Item(4, 40);
List<Item> items = Arrays.asList(item1, item2, item3, item4);
Integer sum = StreamSumCalculatorWithObject.getSumUsingReduce(items);
assertEquals(90, sum.intValue());
}
@Test
public void givenListOfItemsWhenSummingUsingCollectThenCorrectValueReturned() {
Item item1 = new Item(1, 10);
Item item2 = new Item(2, 15);
Item item3 = new Item(3, 25);
Item item4 = new Item(4, 40);
List<Item> items = Arrays.asList(item1, item2, item3, item4);
Integer sum = StreamSumCalculatorWithObject.getSumUsingCollect(items);
assertEquals(90, sum.intValue());
}
@Test
public void givenListOfItemsWhenSummingUsingSumThenCorrectValueReturned() {
Item item1 = new Item(1, 10);
Item item2 = new Item(2, 15);
Item item3 = new Item(3, 25);
Item item4 = new Item(4, 40);
List<Item> items = Arrays.asList(item1, item2, item3, item4);
Integer sum = StreamSumCalculatorWithObject.getSumUsingSum(items);
assertEquals(90, sum.intValue());
}
@Test
public void givenMapWhenSummingThenCorrectValueReturned() {
Map<Object, Integer> map = new HashMap<Object, Integer>();
map.put(1, 10);
map.put(2, 15);
map.put(3, 25);
map.put(4, 40);
Integer sum = StreamSumCalculator.getSumOfMapValues(map);
assertEquals(90, sum.intValue());
}
@Test
public void givenStringWhenSummingThenCorrectValueReturned() {
String string = "Item1 10 Item2 25 Item3 30 Item4 45";
Integer sum = StreamSumCalculator.getSumIntegersFromString(string);
assertEquals(110, sum.intValue());
}
}
+1
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@@ -15,3 +15,4 @@
- [Intro to Apache Storm](https://www.baeldung.com/apache-storm)
- [Guide to Ebean ORM](https://www.baeldung.com/ebean-orm)
- [Introduction to Kafka Connectors](https://www.baeldung.com/kafka-connectors-guide)
- [Kafka Connect Example with MQTT and MongoDB](https://www.baeldung.com/kafka-connect-mqtt-mongodb)
+4
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@@ -1 +1,5 @@
log4j.rootLogger=INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
+25
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@@ -675,6 +675,30 @@
<version>${mockftpserver.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.igniterealtime.smack</groupId>
<artifactId>smack-tcp</artifactId>
<version>${smack.version}</version>
</dependency>
<dependency>
<groupId>org.igniterealtime.smack</groupId>
<artifactId>smack-im</artifactId>
<version>${smack.version}</version>
</dependency>
<dependency>
<groupId>org.igniterealtime.smack</groupId>
<artifactId>smack-extensions</artifactId>
<version>${smack.version}</version>
</dependency>
<dependency>
<groupId>org.igniterealtime.smack</groupId>
<artifactId>smack-java7</artifactId>
<version>${smack.version}</version>
</dependency>
</dependencies>
<repositories>
@@ -896,6 +920,7 @@
<derive4j.version>1.1.0</derive4j.version>
<mockftpserver.version>2.7.1</mockftpserver.version>
<commons-net.version>3.6</commons-net.version>
<smack.version>4.3.1</smack.version>
</properties>
</project>
@@ -0,0 +1,40 @@
package com.baeldung.smack;
import org.jivesoftware.smack.AbstractXMPPConnection;
import org.jivesoftware.smack.chat2.Chat;
import org.jivesoftware.smack.chat2.ChatManager;
import org.jivesoftware.smack.tcp.XMPPTCPConnection;
import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;
import org.jxmpp.jid.impl.JidCreate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StanzaThread implements Runnable {
private Logger logger = LoggerFactory.getLogger(StanzaThread.class);
@Override
public void run() {
XMPPTCPConnectionConfiguration config = null;
try {
config = XMPPTCPConnectionConfiguration.builder()
.setUsernameAndPassword("baeldung2","baeldung2")
.setXmppDomain("jabb3r.org")
.setHost("jabb3r.org")
.build();
AbstractXMPPConnection connection = new XMPPTCPConnection(config);
connection.connect();
connection.login();
ChatManager chatManager = ChatManager.getInstanceFor(connection);
Chat chat = chatManager.chatWith(JidCreate.from("[email protected]").asEntityBareJidOrThrow());
chat.send("Hello!");
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
}
@@ -0,0 +1,85 @@
package com.baeldung.smack;
import org.jivesoftware.smack.AbstractXMPPConnection;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.chat2.ChatManager;
import org.jivesoftware.smack.filter.StanzaTypeFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.tcp.XMPPTCPConnection;
import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.jxmpp.stringprep.XmppStringprepException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
public class SmackIntegrationTest {
private static AbstractXMPPConnection connection;
private Logger logger = LoggerFactory.getLogger(SmackIntegrationTest.class);
@BeforeClass
public static void setup() throws IOException, InterruptedException, XMPPException, SmackException {
XMPPTCPConnectionConfiguration config = XMPPTCPConnectionConfiguration.builder()
.setUsernameAndPassword("baeldung","baeldung")
.setXmppDomain("jabb3r.org")
.setHost("jabb3r.org")
.build();
XMPPTCPConnectionConfiguration config2 = XMPPTCPConnectionConfiguration.builder()
.setUsernameAndPassword("baeldung2","baeldung2")
.setXmppDomain("jabb3r.org")
.setHost("jabb3r.org")
.build();
connection = new XMPPTCPConnection(config);
connection.connect();
connection.login();
}
@Test
public void whenSendMessageWithChat_thenReceiveMessage() throws XmppStringprepException, InterruptedException {
CountDownLatch latch = new CountDownLatch(1);
ChatManager chatManager = ChatManager.getInstanceFor(connection);
final String[] expected = {null};
new StanzaThread().run();
chatManager.addIncomingListener((entityBareJid, message, chat) -> {
logger.info("Message arrived: " + message.getBody());
expected[0] = message.getBody();
latch.countDown();
});
latch.await();
Assert.assertEquals("Hello!", expected[0]);
}
@Test
public void whenSendMessage_thenReceiveMessageWithFilter() throws XmppStringprepException, InterruptedException {
CountDownLatch latch = new CountDownLatch(1);
final String[] expected = {null};
new StanzaThread().run();
connection.addAsyncStanzaListener(stanza -> {
if (stanza instanceof Message) {
Message message = (Message) stanza;
expected[0] = message.getBody();
latch.countDown();
}
}, StanzaTypeFilter.MESSAGE);
latch.await();
Assert.assertEquals("Hello!", expected[0]);
}
}
+2 -2
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@@ -76,11 +76,11 @@
<properties>
<!-- lombok: https://projectlombok.org/changelog.html -->
<lombok.version>1.16.18</lombok.version>
<lombok.version>1.18.4</lombok.version>
<!-- various -->
<hibernate-jpa-2.1-api.version>1.0.0.Final</hibernate-jpa-2.1-api.version>
<!-- delombok maven plugin -->
<delombok-maven-plugin.version>1.16.10.0</delombok-maven-plugin.version>
<delombok-maven-plugin.version>1.18.4.0</delombok-maven-plugin.version>
<assertj-core.version>3.8.0</assertj-core.version>
</properties>
+27 -3
View File
@@ -4,8 +4,8 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>java-jpa</artifactId>
<name>java-jpa</name>
<name>java-jpa</name>
<parent>
<artifactId>parent-modules</artifactId>
<groupId>com.baeldung</groupId>
@@ -24,10 +24,34 @@
<artifactId>h2</artifactId>
<version>${h2.version}</version>
</dependency>
<!--Compile time JPA API-->
<dependency>
<groupId>javax.persistence</groupId>
<artifactId>javax.persistence-api</artifactId>
<version>2.2</version>
</dependency>
<!--Runtime JPA implementation-->
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>eclipselink</artifactId>
<version>${eclipselink.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>${postgres.version}</version>
<scope>runtime</scope>
</dependency>
</dependencies>
<properties>
<hibernate.version>5.3.1.Final</hibernate.version>
<hibernate.version>5.4.0.Final</hibernate.version>
<h2.version>1.4.197</h2.version>
<eclipselink.version>2.7.4-RC1</eclipselink.version>
<postgres.version>42.2.5</postgres.version>
</properties>
</project>
@@ -0,0 +1,68 @@
package com.baeldung.jpa.datetime;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.time.*;
import java.util.Calendar;
public class DateTimeEntityRepository {
private EntityManagerFactory emf = null;
public DateTimeEntityRepository() {
emf = Persistence.createEntityManagerFactory("java8-datetime-postgresql");
}
public JPA22DateTimeEntity find(Long id) {
EntityManager entityManager = emf.createEntityManager();
JPA22DateTimeEntity dateTimeTypes = entityManager.find(JPA22DateTimeEntity.class, id);
entityManager.close();
return dateTimeTypes;
}
public void save(Long id) {
JPA22DateTimeEntity dateTimeTypes = new JPA22DateTimeEntity();
dateTimeTypes.setId(id);
//java.sql types: date/time
dateTimeTypes.setSqlTime(Time.valueOf(LocalTime.now()));
dateTimeTypes.setSqlDate(Date.valueOf(LocalDate.now()));
dateTimeTypes.setSqlTimestamp(Timestamp.valueOf(LocalDateTime.now()));
//java.util types: date/calendar
java.util.Date date = new java.util.Date();
dateTimeTypes.setUtilTime(date);
dateTimeTypes.setUtilDate(date);
dateTimeTypes.setUtilTimestamp(date);
//Calendar
Calendar calendar = Calendar.getInstance();
dateTimeTypes.setCalendarTime(calendar);
dateTimeTypes.setCalendarDate(calendar);
dateTimeTypes.setCalendarTimestamp(calendar);
//java.time types
dateTimeTypes.setLocalTime(LocalTime.now());
dateTimeTypes.setLocalDate(LocalDate.now());
dateTimeTypes.setLocalDateTime(LocalDateTime.now());
//java.time types with offset
dateTimeTypes.setOffsetTime(OffsetTime.now());
dateTimeTypes.setOffsetDateTime(OffsetDateTime.now());
EntityManager entityManager = emf.createEntityManager();
entityManager.getTransaction().begin();
entityManager.persist(dateTimeTypes);
entityManager.getTransaction().commit();
entityManager.close();
}
public void clean() {
emf.close();
}
}
@@ -0,0 +1,176 @@
package com.baeldung.jpa.datetime;
import javax.persistence.*;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.time.*;
import java.util.Calendar;
@Entity
public class JPA22DateTimeEntity {
@Id
private Long id;
//java.sql types
private Time sqlTime;
private Date sqlDate;
private Timestamp sqlTimestamp;
//java.util types
@Temporal(TemporalType.TIME)
private java.util.Date utilTime;
@Temporal(TemporalType.DATE)
private java.util.Date utilDate;
@Temporal(TemporalType.TIMESTAMP)
private java.util.Date utilTimestamp;
//Calendar
@Temporal(TemporalType.TIME)
private Calendar calendarTime;
@Temporal(TemporalType.DATE)
private Calendar calendarDate;
@Temporal(TemporalType.TIMESTAMP)
private Calendar calendarTimestamp;
// java.time types
@Column(name = "local_time", columnDefinition = "TIME")
private LocalTime localTime;
@Column(name = "local_date", columnDefinition = "DATE")
private LocalDate localDate;
@Column(name = "local_date_time", columnDefinition = "TIMESTAMP")
private LocalDateTime localDateTime;
@Column(name = "offset_time", columnDefinition = "TIME WITH TIME ZONE")
private OffsetTime offsetTime;
@Column(name = "offset_date_time", columnDefinition = "TIMESTAMP WITH TIME ZONE")
private OffsetDateTime offsetDateTime;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public Time getSqlTime() {
return sqlTime;
}
public void setSqlTime(Time sqlTime) {
this.sqlTime = sqlTime;
}
public Date getSqlDate() {
return sqlDate;
}
public void setSqlDate(Date sqlDate) {
this.sqlDate = sqlDate;
}
public Timestamp getSqlTimestamp() {
return sqlTimestamp;
}
public void setSqlTimestamp(Timestamp sqlTimestamp) {
this.sqlTimestamp = sqlTimestamp;
}
public java.util.Date getUtilTime() {
return utilTime;
}
public void setUtilTime(java.util.Date utilTime) {
this.utilTime = utilTime;
}
public java.util.Date getUtilDate() {
return utilDate;
}
public void setUtilDate(java.util.Date utilDate) {
this.utilDate = utilDate;
}
public java.util.Date getUtilTimestamp() {
return utilTimestamp;
}
public void setUtilTimestamp(java.util.Date utilTimestamp) {
this.utilTimestamp = utilTimestamp;
}
public Calendar getCalendarTime() {
return calendarTime;
}
public void setCalendarTime(Calendar calendarTime) {
this.calendarTime = calendarTime;
}
public Calendar getCalendarDate() {
return calendarDate;
}
public void setCalendarDate(Calendar calendarDate) {
this.calendarDate = calendarDate;
}
public Calendar getCalendarTimestamp() {
return calendarTimestamp;
}
public void setCalendarTimestamp(Calendar calendarTimestamp) {
this.calendarTimestamp = calendarTimestamp;
}
public LocalTime getLocalTime() {
return localTime;
}
public void setLocalTime(LocalTime localTime) {
this.localTime = localTime;
}
public LocalDate getLocalDate() {
return localDate;
}
public void setLocalDate(LocalDate localDate) {
this.localDate = localDate;
}
public LocalDateTime getLocalDateTime() {
return localDateTime;
}
public void setLocalDateTime(LocalDateTime localDateTime) {
this.localDateTime = localDateTime;
}
public OffsetTime getOffsetTime() {
return offsetTime;
}
public void setOffsetTime(OffsetTime offsetTime) {
this.offsetTime = offsetTime;
}
public OffsetDateTime getOffsetDateTime() {
return offsetDateTime;
}
public void setOffsetDateTime(OffsetDateTime offsetDateTime) {
this.offsetDateTime = offsetDateTime;
}
}
@@ -0,0 +1,18 @@
package com.baeldung.jpa.datetime;
public class MainApp {
public static void main(String... args) {
DateTimeEntityRepository dateTimeEntityRepository = new DateTimeEntityRepository();
//Persist
dateTimeEntityRepository.save(100L);
//Find
JPA22DateTimeEntity dateTimeEntity = dateTimeEntityRepository.find(100L);
dateTimeEntityRepository.clean();
}
}
@@ -2,12 +2,14 @@
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
version="2.1">
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"
version="2.2">
<persistence-unit name="java-jpa-scheduled-day">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.sqlresultsetmapping.ScheduledDay</class>
<class>com.baeldung.sqlresultsetmapping.Employee</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
<property name="javax.persistence.jdbc.url"
@@ -24,6 +26,7 @@
<persistence-unit name="jpa-h2">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.stringcast.Message</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test"/>
@@ -39,6 +42,7 @@
<persistence-unit name="jpa-db">
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.jpa.model.Car</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
<property name="javax.persistence.jdbc.url" value="jdbc:mysql://127.0.0.1:3306/baeldung"/>
@@ -66,4 +70,22 @@
</properties>
</persistence-unit>
<persistence-unit name="java8-datetime-postgresql" transaction-type="RESOURCE_LOCAL">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<class>com.baeldung.jpa.datetime.JPA22DateTimeEntity</class>
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="javax.persistence.jdbc.driver" value="org.postgresql.Driver"/>
<property name="javax.persistence.jdbc.url" value="jdbc:postgresql://localhost:5432/java8-datetime2"/>
<property name="javax.persistence.jdbc.user" value="postgres"/>
<property name="javax.persistence.jdbc.password" value="postgres"/>
<property name="javax.persistence.schema-generation.database.action" value="drop-and-create"/>
<!-- configure logging -->
<property name="eclipselink.logging.level" value="INFO"/>
<property name="eclipselink.logging.level.sql" value="FINE"/>
<property name="eclipselink.logging.parameters" value="true"/>
</properties>
</persistence-unit>
</persistence>
@@ -5,3 +5,5 @@
- [Quick Guide on data.sql and schema.sql Files in Spring Boot](http://www.baeldung.com/spring-boot-data-sql-and-schema-sql)
- [Configuring a Tomcat Connection Pool in Spring Boot](https://www.baeldung.com/spring-boot-tomcat-connection-pool)
- [Hibernate Field Naming with Spring Boot](https://www.baeldung.com/hibernate-field-naming-spring-boot)
- [Integrating Spring Boot with HSQLDB](https://www.baeldung.com/spring-boot-hsqldb)
@@ -0,0 +1,27 @@
package com.baeldung.springbootdatasourceconfig.application;
import com.baeldung.springbootdatasourceconfig.application.entities.User;
import com.baeldung.springbootdatasourceconfig.application.repositories.UserRepository;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
@Bean
public CommandLineRunner run(UserRepository userRepository) throws Exception {
return (String[] args) -> {
User user1 = new User("John", "[email protected]");
User user2 = new User("Julie", "[email protected]");
userRepository.save(user1);
userRepository.save(user2);
userRepository.findAll().forEach(user -> System.out.println(user.getName()));
};
}
}

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