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Merge pull request #42 from eugenp/master

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update
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Maiklins
2020-03-15 16:19:50 +01:00
committed by GitHub
parent 290a29e223 c6c643048f
commit 3cc508d93b
135 changed files with 1471 additions and 18954 deletions
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algorithms-miscellaneous-5/README.md
-1
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@@ -10,7 +10,6 @@ This module contains articles about algorithms. Some classes of algorithms, e.g.
- [Find If Two Numbers Are Relatively Prime in Java](https://www.baeldung.com/java-two-relatively-prime-numbers)
- [Knapsack Problem Implementation in Java](https://www.baeldung.com/java-knapsack)
- [How to Determine if a Binary Tree is Balanced](https://www.baeldung.com/java-balanced-binary-tree)
- [The Caesar Cipher in Java](https://www.baeldung.com/java-caesar-cipher)
- [Overview of Combinatorial Problems in Java](https://www.baeldung.com/java-combinatorial-algorithms)
- [Prim’s Algorithm](https://www.baeldung.com/java-prim-algorithm)
- [Maximum Subarray Problem](https://www.baeldung.com/java-maximum-subarray)
apache-cxf/cxf-aegis/README.md
-3
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@@ -1,3 +0,0 @@
### Relevant Articles
- [Introduction to Apache CXF Aegis Data Binding](https://www.baeldung.com/aegis-data-binding-in-apache-cxf)
apache-fop/README.md
-5
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@@ -1,5 +0,0 @@
## Apache FOP
This module contains articles about Apache FOP
### Relevant Articles:
apache-olingo/olingo2/README.md
-1
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@@ -1,4 +1,3 @@
### Relevant Articles:
- [OData Protocol Guide](https://www.baeldung.com/odata)
- [Intro to OData with Olingo](https://www.baeldung.com/olingo)
apache-poi/README.md
+1 -1
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@@ -8,4 +8,4 @@ This module contains articles about Apache POI
- [Creating a MS PowerPoint Presentation in Java](https://www.baeldung.com/apache-poi-slideshow)
- [Merge Cells in Excel Using Apache POI](https://www.baeldung.com/java-apache-poi-merge-cells)
- [Get String Value of Excel Cell with Apache POI](https://www.baeldung.com/java-apache-poi-cell-string-value)
- [Read Excel Cell Value Rather Than Formula With Apache POI](https://github.com/eugenp/tutorials/tree/master/apache-poi)
- [Read Excel Cell Value Rather Than Formula With Apache POI](https://www.baeldung.com/apache-poi-read-cell-value-formula)
azure/src/main/resources/application.properties
+1 -1
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@@ -5,7 +5,7 @@ spring.jpa.hibernate.ddl-auto=create
logging.file=azure.log
logging.level.root=info
spring.datasource.url=jdbc:h2:file:~/test
spring.datasource.url=jdbc:h2:mem:azure-test-db
spring.datasource.username=sa
spring.datasource.password=
core-java-modules/core-java-8-2/README.md
+1 -1
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@@ -3,7 +3,7 @@
This module contains articles about Java 8 core features
### Relevant Articles:
- [Anonymous Classes in Java](https://www.baeldung.com/java-anonymous-classes)
- [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution)
- [Run a Java Application from the Command Line](https://www.baeldung.com/java-run-jar-with-arguments)
- [Java 8 Stream skip() vs limit()](https://www.baeldung.com/java-stream-skip-vs-limit)
core-java-modules/core-java-8/pom.xml
-21
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@@ -48,25 +48,6 @@
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot-maven-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<classifier>spring-boot</classifier>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<properties>
@@ -74,8 +55,6 @@
<commons-collections4.version>4.1</commons-collections4.version>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
<!-- plugins -->
<spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
</properties>
</project>
core-java-modules/core-java-arrays-3/README.md
-5
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@@ -1,5 +0,0 @@
## Core Java Arrays (Part 3)
This module contains articles about Java arrays
## Relevant Articles
core-java-modules/core-java-arrays/pom.xml
+1 -203
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@@ -66,101 +66,7 @@
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>${maven-jar-plugin.version}</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>libs/</classpathPrefix>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
<archive>
<manifest>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>${maven-shade-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<shadedArtifactAttached>true</shadedArtifactAttached>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.jolira</groupId>
<artifactId>onejar-maven-plugin</artifactId>
<version>${onejar-maven-plugin.version}</version>
<executions>
<execution>
<configuration>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
<attachToBuild>true</attachToBuild>
<filename>${project.build.finalName}-onejar.${project.packaging}</filename>
</configuration>
<goals>
<goal>one-jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot-maven-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<classifier>spring-boot</classifier>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
@@ -250,110 +156,6 @@
</build>
</profile>
<!-- java instrumentation profiles to build jars -->
<profile>
<id>buildAgentLoader</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>agentLoader</classifier>
<classesDirectory>target/classes</classesDirectory>
<archive>
<manifest>
<addClasspath>true</addClasspath>
</manifest>
<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
</archive>
<includes>
<include>com/baeldung/instrumentation/application/AgentLoader.class</include>
<include>com/baeldung/instrumentation/application/Launcher.class</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>buildApplication</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>application</classifier>
<classesDirectory>target/classes</classesDirectory>
<archive>
<manifest>
<addClasspath>true</addClasspath>
</manifest>
<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
</archive>
<includes>
<include>com/baeldung/instrumentation/application/MyAtm.class</include>
<include>com/baeldung/instrumentation/application/MyAtmApplication.class</include>
<include>com/baeldung/instrumentation/application/Launcher.class</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>buildAgent</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>agent</classifier>
<classesDirectory>target/classes</classesDirectory>
<archive>
<manifest>
<addClasspath>true</addClasspath>
</manifest>
<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
</archive>
<includes>
<include>com/baeldung/instrumentation/agent/AtmTransformer.class</include>
<include>com/baeldung/instrumentation/agent/MyInstrumentationAgent.class</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
@@ -368,10 +170,6 @@
<!-- maven and spring plugins -->
<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
<maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
<onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
<maven-shade-plugin.version>3.1.1</maven-shade-plugin.version>
<spring-boot-maven-plugin.version>2.0.3.RELEASE</spring-boot-maven-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<source.version>1.8</source.version>
<target.version>1.8</target.version>
core-java-modules/core-java-concurrency-advanced-3/src/test/java/com/baeldung/workstealing/PrimeNumbersUnitTest.java → core-java-modules/core-java-concurrency-advanced-3/src/test/java/com/baeldung/workstealing/PrimeNumbersUnitManualTest.java
+1 -1
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@@ -15,7 +15,7 @@ import java.util.logging.Logger;
import static org.junit.Assert.fail;
public class PrimeNumbersUnitTest {
public class PrimeNumbersUnitManualTest {
private static Logger logger = Logger.getAnonymousLogger();
core-java-modules/core-java-lang-operators/README.md
+1 -2
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@@ -11,5 +11,4 @@ This module contains articles about Java operators
- [Java Compound Operators](https://www.baeldung.com/java-compound-operators)
- [The XOR Operator in Java](https://www.baeldung.com/java-xor-operator)
- [Java Bitwise Operators](https://www.baeldung.com/java-bitwise-operators)
- [Bitwise & vs Logical && Operators](https://www.baeldung.com/bitwise-vs-logical-operators/)
- [Bitwise & vs Logical && Operators](https://www.baeldung.com/java-bitwise-vs-logical-and)
core-java-modules/core-java-security-2/pom.xml
+17
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@@ -0,0 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-java-security-2</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>core-java-security-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
</parent>
</project>
core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/ConsoleCallbackHandler.java
+24
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@@ -0,0 +1,24 @@
package com.baeldung.jaas;
import javax.security.auth.callback.*;
import java.io.Console;
import java.io.IOException;
public class ConsoleCallbackHandler implements CallbackHandler {
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
Console console = System.console();
for (Callback callback : callbacks) {
if (callback instanceof NameCallback) {
NameCallback nameCallback = (NameCallback) callback;
nameCallback.setName(console.readLine(nameCallback.getPrompt()));
} else if (callback instanceof PasswordCallback) {
PasswordCallback passwordCallback = (PasswordCallback) callback;
passwordCallback.setPassword(console.readPassword(passwordCallback.getPrompt()));
} else {
throw new UnsupportedCallbackException(callback);
}
}
}
}
core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/JaasAuthentication.java
+13
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@@ -0,0 +1,13 @@
package com.baeldung.jaas;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;
public class JaasAuthentication {
public static void main(String[] args) throws LoginException {
LoginService loginService = new LoginService();
Subject subject = loginService.login();
System.out.println(subject.getPrincipals().iterator().next() + " sucessfully logeed in");
}
}
core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/JaasAuthorization.java
+17
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@@ -0,0 +1,17 @@
package com.baeldung.jaas;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;
import java.security.PrivilegedAction;
public class JaasAuthorization {
public static void main(String[] args) throws LoginException {
LoginService loginService = new LoginService();
Subject subject = loginService.login();
PrivilegedAction privilegedAction = new ResourceAction();
Subject.doAsPrivileged(subject, privilegedAction, null);
}
}
core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/LoginService.java
+14
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@@ -0,0 +1,14 @@
package com.baeldung.jaas;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;
public class LoginService {
public Subject login() throws LoginException {
LoginContext loginContext = new LoginContext("jaasApplication", new ConsoleCallbackHandler());
loginContext.login();
return loginContext.getSubject();
}
}
core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/ResourceAction.java
+15
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@@ -0,0 +1,15 @@
package com.baeldung.jaas;
import java.security.PrivilegedAction;
public class ResourceAction implements PrivilegedAction {
@Override
public Object run() {
SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkPermission(new ResourcePermission("test_resource"));
}
System.out.println("I have access to test_resource !");
return null;
}
}
core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/ResourcePermission.java
+9
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@@ -0,0 +1,9 @@
package com.baeldung.jaas;
import java.security.BasicPermission;
public class ResourcePermission extends BasicPermission {
public ResourcePermission(String name) {
super(name);
}
}
core-java-modules/core-java-security-2/src/main/java/com/baeldung/jaas/loginmodule/InMemoryLoginModule.java
+74
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@@ -0,0 +1,74 @@
package com.baeldung.jaas.loginmodule;
import com.sun.security.auth.UserPrincipal;
import javax.security.auth.Subject;
import javax.security.auth.callback.*;
import javax.security.auth.login.LoginException;
import javax.security.auth.spi.LoginModule;
import java.io.IOException;
import java.security.Principal;
import java.util.Map;
public class InMemoryLoginModule implements LoginModule {
private static final String USERNAME = "testuser";
private static final String PASSWORD = "testpassword";
private Subject subject;
private CallbackHandler callbackHandler;
private Map<String, ?> sharedState;
private Map<String, ?> options;
private String username;
private boolean loginSucceeded = false;
private Principal userPrincipal;
@Override
public void initialize(Subject subject, CallbackHandler callbackHandler, Map<String, ?> sharedState,
Map<String, ?> options) {
this.subject = subject;
this.callbackHandler = callbackHandler;
this.sharedState = sharedState;
this.options = options;
}
@Override
public boolean login() throws LoginException {
NameCallback nameCallback = new NameCallback("username: ");
PasswordCallback passwordCallback = new PasswordCallback("password: ", false);
try {
callbackHandler.handle(new Callback[]{nameCallback, passwordCallback});
username = nameCallback.getName();
String password = new String(passwordCallback.getPassword());
if (USERNAME.equals(username) && PASSWORD.equals(password)) {
loginSucceeded = true;
}
} catch (IOException | UnsupportedCallbackException e) {
throw new LoginException("Can't login");
}
return loginSucceeded;
}
@Override
public boolean commit() throws LoginException {
if (!loginSucceeded) {
return false;
}
userPrincipal = new UserPrincipal(username);
subject.getPrincipals().add(userPrincipal);
return true;
}
@Override
public boolean abort() throws LoginException {
logout();
return true;
}
@Override
public boolean logout() throws LoginException {
subject.getPrincipals().remove(userPrincipal);
return false;
}
}
core-java-modules/core-java-security-2/src/main/resources/jaas/jaas.login.config
+3
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@@ -0,0 +1,3 @@
jaasApplication {
com.baeldung.jaas.loginmodule.InMemoryLoginModule required debug=true;
};
core-java-modules/core-java-security-2/src/main/resources/jaas/jaas.policy
+14
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@@ -0,0 +1,14 @@
grant codebase "file:./target/core-java-security-2-0.1.0-SNAPSHOT.jar" {
permission javax.security.auth.AuthPermission "createLoginContext.jaasApplication";
permission javax.security.auth.AuthPermission "doAsPrivileged";
permission java.lang.RuntimePermission "readFileDescriptor";
permission java.lang.RuntimePermission "writeFileDescriptor";
};
grant codebase "file:./target/core-java-security-2-0.1.0-SNAPSHOT.jar" {
permission javax.security.auth.AuthPermission "modifyPrincipals";
};
grant principal com.sun.security.auth.UserPrincipal "testuser" {
permission com.baeldung.jaas.ResourcePermission "test_resource";
};
core-java-modules/core-java-string-operations-2/README.md
+2 -1
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@@ -8,5 +8,6 @@ This module contains articles about string operations.
- [String Initialization in Java](https://www.baeldung.com/java-string-initialization)
- [String toLowerCase and toUpperCase Methods in Java](https://www.baeldung.com/java-string-convert-case)
- [Java String equalsIgnoreCase()](https://www.baeldung.com/java-string-equalsignorecase)
- [How to avoid String contains() Case Insensitive in Java](https://www.baeldung.com/how-to-avoid-string-contains-case-insensitive-in-java)
- [Case-Insensitive String Matching in Java](https://www.baeldung.com/java-case-insensitive-string-matching)
- [L-Trim and R-Trim in Java](https://www.baeldung.com/l-trim-and-r-trim-in-java)
- More articles: [[<-- prev]](../core-java-string-operations)
core-java-modules/core-java-string-operations-2/pom.xml
+1 -1
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@@ -109,7 +109,7 @@
<assertj.version>3.6.1</assertj.version>
<validation-api.version>2.0.0.Final</validation-api.version>
<commons-lang3.version>3.8.1</commons-lang3.version>
<guava.version>27.0.1-jre</guava.version>
<guava.version>28.2-jre</guava.version>
<hibernate-validator.version>6.0.2.Final</hibernate-validator.version>
<javax.el-api.version>3.0.0</javax.el-api.version>
<javax.el.version>2.2.6</javax.el.version>
core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/trim/LTrimRTrim.java
+124
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@@ -0,0 +1,124 @@
package com.baeldung.trim;
import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;
import org.apache.commons.lang3.StringUtils;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import com.google.common.base.CharMatcher;
/**
* Based on https://github.com/tedyoung/indexof-contains-benchmark
*/
@Fork(5)
@State(Scope.Benchmark)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public class LTrimRTrim {
private String src;
private static String ltrimResult;
private static String rtrimResult;
private static Pattern LTRIM = Pattern.compile("^\\s+");
private static Pattern RTRIM = Pattern.compile("\\s+$");
public static void main(String[] args) throws Exception {
org.openjdk.jmh.Main.main(args);
}
@Setup
public void setup() {
src = " White spaces left and right ";
ltrimResult = "White spaces left and right ";
rtrimResult = " White spaces left and right";
}
public static String whileLtrim(String s) {
int i = 0;
while (i < s.length() && Character.isWhitespace(s.charAt(i))) {
i++;
}
return s.substring(i);
}
public static String whileRtrim(String s) {
int i = s.length() - 1;
while (i >= 0 && Character.isWhitespace(s.charAt(i))) {
i--;
}
return s.substring(0, i + 1);
}
private static boolean checkStrings(String ltrim, String rtrim) {
boolean result = false;
if (ltrimResult.equalsIgnoreCase(ltrim) && rtrimResult.equalsIgnoreCase(rtrim))
result = true;
return result;
}
// Going through the String detecting Whitespaces
@Benchmark
public boolean whileCharacters() {
String ltrim = whileLtrim(src);
String rtrim = whileRtrim(src);
return checkStrings(ltrim, rtrim);
}
// replaceAll() and Regular Expressions
@Benchmark
public boolean replaceAllRegularExpression() {
String ltrim = src.replaceAll("^\\s+", "");
String rtrim = src.replaceAll("\\s+$", "");
return checkStrings(ltrim, rtrim);
}
public static String patternLtrim(String s) {
return LTRIM.matcher(s)
.replaceAll("");
}
public static String patternRtrim(String s) {
return RTRIM.matcher(s)
.replaceAll("");
}
// Pattern matches() with replaceAll
@Benchmark
public boolean patternMatchesLTtrimRTrim() {
String ltrim = patternLtrim(src);
String rtrim = patternRtrim(src);
return checkStrings(ltrim, rtrim);
}
// Guava CharMatcher trimLeadingFrom / trimTrailingFrom
@Benchmark
public boolean guavaCharMatcher() {
String ltrim = CharMatcher.whitespace().trimLeadingFrom(src);
String rtrim = CharMatcher.whitespace().trimTrailingFrom(src);
return checkStrings(ltrim, rtrim);
}
// Apache Commons StringUtils containsIgnoreCase
@Benchmark
public boolean apacheCommonsStringUtils() {
String ltrim = StringUtils.stripStart(src, null);
String rtrim = StringUtils.stripEnd(src, null);
return checkStrings(ltrim, rtrim);
}
}
core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/trim/LTrimRTrimUnitTest.java
+78
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@@ -0,0 +1,78 @@
package com.baeldung.trim;
import org.apache.commons.lang3.StringUtils;
import org.junit.Assert;
import org.junit.Test;
import com.google.common.base.CharMatcher;
import java.util.regex.Pattern;
/**
* BAEL-3755: LTrim and RTrim examples.
*/
public class LTrimRTrimUnitTest {
private String src = " White spaces left and right ";
private final static String ltrimResult = "White spaces left and right ";
private final static String rtrimResult = " White spaces left and right";
@Test
public void givenString_whenCallingWhileCharacters_thenReturnsTrue() {
String ltrim = LTrimRTrim.whileLtrim(src);
String rtrim = LTrimRTrim.whileRtrim(src);
// Compare the Strings obtained and the expected
Assert.assertTrue(ltrimResult.equalsIgnoreCase(ltrim));
Assert.assertTrue(rtrimResult.equalsIgnoreCase(rtrim));
}
@Test
public void givenString_whenCallingContainsWithReplaceAll_shouldReturnTrue() {
// Use replaceAll with Regular Expressions
String ltrim = src.replaceAll("^\\s+", "");
String rtrim = src.replaceAll("\\s+$", "");
// Compare the Strings obtained and the expected
Assert.assertTrue(ltrimResult.equalsIgnoreCase(ltrim));
Assert.assertTrue(rtrimResult.equalsIgnoreCase(rtrim));
}
@Test
public void givenString_whenCallingPaternCompileMatcherReplaceAll_thenReturnsTrue() {
// Use Pattern Compile Matcher and Find to avoid case insensitive issues
String ltrim = LTrimRTrim.patternLtrim(src);
String rtrim = LTrimRTrim.patternRtrim(src);
// Compare the Strings obtained and the expected
Assert.assertTrue(ltrimResult.equalsIgnoreCase(ltrim));
Assert.assertTrue(rtrimResult.equalsIgnoreCase(rtrim));
}
@Test
public void givenString_whenCallingGuavaCharMatcher_thenReturnsTrue() {
// Use StringUtils containsIgnoreCase to avoid case insensitive issues
String ltrim = CharMatcher.whitespace().trimLeadingFrom(src);;
String rtrim = CharMatcher.whitespace().trimTrailingFrom(src);
// Compare the Strings obtained and the expected
Assert.assertTrue(ltrimResult.equalsIgnoreCase(ltrim));
Assert.assertTrue(rtrimResult.equalsIgnoreCase(rtrim));
}
@Test
public void givenString_whenCallingStringUtilsStripStartEnd_thenReturnsTrue() {
// Use StringUtils containsIgnoreCase to avoid case insensitive issues
String ltrim = StringUtils.stripStart(src, null);
String rtrim = StringUtils.stripEnd(src, null);
// Compare the Strings obtained and the expected
Assert.assertTrue(ltrimResult.equalsIgnoreCase(ltrim));
Assert.assertTrue(rtrimResult.equalsIgnoreCase(rtrim));
}
}
core-java-modules/core-java-sun/pom.xml
-15
View File
@@ -40,20 +40,6 @@
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>${maven-jar-plugin.version}</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>libs/</classpathPrefix>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
@@ -115,7 +101,6 @@
<!-- maven plugins -->
<sun-tools.version>1.8.0</sun-tools.version>
<maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
</properties>
</project>
core-java-modules/core-java/README.md
+1 -1
View File
@@ -11,7 +11,7 @@
- [Introduction to Java Serialization](http://www.baeldung.com/java-serialization)
- [Guide to UUID in Java](http://www.baeldung.com/java-uuid)
- [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin)
- [Quick Guide to the Java Stack](http://www.baeldung.com/java-stack)
- [Quick Guide to the Java Stack](https://www.baeldung.com/java-stack)
- [Compiling Java *.class Files with javac](http://www.baeldung.com/javac)
- [Introduction to Javadoc](http://www.baeldung.com/javadoc)
- [Guide to the Externalizable Interface in Java](http://www.baeldung.com/java-externalizable)
core-java-modules/core-java/pom.xml
-204
View File
@@ -90,101 +90,6 @@
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>${maven-jar-plugin.version}</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>libs/</classpathPrefix>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<archiveBaseDirectory>${project.basedir}</archiveBaseDirectory>
<archive>
<manifest>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>${maven-shade-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<shadedArtifactAttached>true</shadedArtifactAttached>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.jolira</groupId>
<artifactId>onejar-maven-plugin</artifactId>
<version>${onejar-maven-plugin.version}</version>
<executions>
<execution>
<configuration>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
<attachToBuild>true</attachToBuild>
<filename>${project.build.finalName}-onejar.${project.packaging}</filename>
</configuration>
<goals>
<goal>one-jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot-maven-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<classifier>spring-boot</classifier>
<mainClass>com.baeldung.executable.ExecutableMavenJar</mainClass>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
@@ -273,111 +178,6 @@
</plugins>
</build>
</profile>
<!-- java instrumentation profiles to build jars -->
<profile>
<id>buildAgentLoader</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>agentLoader</classifier>
<classesDirectory>target/classes</classesDirectory>
<archive>
<manifest>
<addClasspath>true</addClasspath>
</manifest>
<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
</archive>
<includes>
<include>com/baeldung/instrumentation/application/AgentLoader.class</include>
<include>com/baeldung/instrumentation/application/Launcher.class</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>buildApplication</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>application</classifier>
<classesDirectory>target/classes</classesDirectory>
<archive>
<manifest>
<addClasspath>true</addClasspath>
</manifest>
<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
</archive>
<includes>
<include>com/baeldung/instrumentation/application/MyAtm.class</include>
<include>com/baeldung/instrumentation/application/MyAtmApplication.class</include>
<include>com/baeldung/instrumentation/application/Launcher.class</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>buildAgent</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>agent</classifier>
<classesDirectory>target/classes</classesDirectory>
<archive>
<manifest>
<addClasspath>true</addClasspath>
</manifest>
<manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
</archive>
<includes>
<include>com/baeldung/instrumentation/agent/AtmTransformer.class</include>
<include>com/baeldung/instrumentation/agent/MyInstrumentationAgent.class</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
@@ -392,10 +192,6 @@
<javamoney.moneta.version>1.1</javamoney.moneta.version>
<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
<maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
<onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
<maven-shade-plugin.version>3.1.1</maven-shade-plugin.version>
<spring-boot-maven-plugin.version>2.0.3.RELEASE</spring-boot-maven-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<source.version>1.8</source.version>
<target.version>1.8</target.version>
core-java-modules/core-java/src/test/java/com/baeldung/stack/StackUnitTest.java
+73 -27
View File
@@ -1,123 +1,153 @@
package com.baeldung.stack;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.*;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import java.util.ListIterator;
import java.util.Stack;
import java.util.stream.Collectors;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
public class StackUnitTest {
@Test
public void whenStackIsCreated_thenItHasSize0() {
Stack intStack = new Stack();
public void whenStackIsCreated_thenItHasSizeZero() {
Stack<Integer> intStack = new Stack<>();
assertEquals(0, intStack.size());
}
@Test
public void givenEmptyStack_whenElementIsPushed_thenStackSizeisIncreased() {
Stack intStack = new Stack();
public void whenElementIsPushed_thenStackSizeIsIncreased() {
Stack<Integer> intStack = new Stack<>();
intStack.push(1);
assertEquals(1, intStack.size());
}
@Test
public void givenEmptyStack_whenMultipleElementsArePushed_thenStackSizeisIncreased() {
Stack intStack = new Stack();
public void whenMultipleElementsArePushed_thenStackSizeIsIncreased() {
Stack<Integer> intStack = new Stack<>();
List<Integer> intList = Arrays.asList(1, 2, 3, 4, 5, 6, 7);
boolean result = intStack.addAll(intList);
assertTrue(result);
assertEquals(7, intList.size());
}
@Test
public void whenElementIsPoppedFromStack_thenElementIsRemovedAndSizeChanges() {
Stack<Integer> intStack = new Stack();
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
intStack.pop();
Integer element = intStack.pop();
assertEquals(Integer.valueOf(5), element);
assertTrue(intStack.isEmpty());
}
@Test
public void whenElementIsPeeked_thenElementIsNotRemovedAndSizeDoesNotChange() {
Stack<Integer> intStack = new Stack();
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
intStack.peek();
Integer element = intStack.peek();
assertEquals(Integer.valueOf(5), element);
assertEquals(1, intStack.search(5));
assertEquals(1, intStack.size());
}
@Test
public void whenElementIsOnStack_thenSearchReturnsItsDistanceFromTheTop() {
Stack<Integer> intStack = new Stack();
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
assertEquals(1, intStack.search(5));
intStack.push(8);
assertEquals(2, intStack.search(5));
}
@Test
public void whenElementIsOnStack_thenIndexOfReturnsItsIndex() {
Stack<Integer> intStack = new Stack();
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
int indexOf = intStack.indexOf(5);
assertEquals(0, indexOf);
}
@Test
public void whenMultipleElementsAreOnStack_thenIndexOfReturnsLastElementIndex() {
Stack<Integer> intStack = new Stack();
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
intStack.push(5);
intStack.push(5);
int lastIndexOf = intStack.lastIndexOf(5);
assertEquals(2, lastIndexOf);
}
@Test
public void givenElementOnStack_whenRemoveElementIsInvoked_thenElementIsRemoved() {
Stack<Integer> intStack = new Stack();
public void whenRemoveElementIsInvoked_thenElementIsRemoved() {
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
intStack.push(5);
intStack.removeElement(5);
assertEquals(1, intStack.size());
}
@Test
public void givenElementOnStack_whenRemoveElementAtIsInvoked_thenElementIsRemoved() {
Stack<Integer> intStack = new Stack();
public void whenRemoveElementAtIsInvoked_thenElementIsRemoved() {
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
intStack.push(7);
intStack.removeElementAt(1);
assertEquals(-1, intStack.search(7));
}
@Test
public void givenElementsOnStack_whenRemoveAllElementsIsInvoked_thenAllElementsAreRemoved() {
Stack<Integer> intStack = new Stack();
public void whenRemoveAllElementsIsInvoked_thenAllElementsAreRemoved() {
Stack<Integer> intStack = new Stack<>();
intStack.push(5);
intStack.push(7);
intStack.removeAllElements();
assertTrue(intStack.isEmpty());
}
@Test
public void givenElementsOnStack_whenRemoveAllIsInvoked_thenAllElementsFromCollectionAreRemoved() {
Stack<Integer> intStack = new Stack();
Stack<Integer> intStack = new Stack<>();
List<Integer> intList = Arrays.asList(1, 2, 3, 4, 5, 6, 7);
intStack.addAll(intList);
intStack.add(500);
intStack.removeAll(intList);
assertEquals(1, intStack.size());
assertEquals(1, intStack.search(500));
}
@Test
public void givenElementsOnStack_whenRemoveIfIsInvoked_thenAllElementsSatysfyingConditionAreRemoved() {
Stack<Integer> intStack = new Stack();
public void whenRemoveIfIsInvoked_thenAllElementsSatysfyingConditionAreRemoved() {
Stack<Integer> intStack = new Stack<>();
List<Integer> intList = Arrays.asList(1, 2, 3, 4, 5, 6, 7);
intStack.addAll(intList);
intStack.removeIf(element -> element < 6);
assertEquals(2, intStack.size());
}
@@ -126,12 +156,28 @@ public class StackUnitTest {
Stack<Integer> intStack = new Stack<>();
List<Integer> intList = Arrays.asList(1, 2, 3, 4, 5, 6, 7);
intStack.addAll(intList);
ListIterator<Integer> it = intStack.listIterator();
Stack<Integer> result = new Stack();
Stack<Integer> result = new Stack<>();
while(it.hasNext()) {
result.push(it.next());
}
assertThat(result, equalTo(intStack));
}
@Test
public void whenStackIsFiltered_allElementsNotSatisfyingFilterConditionAreDiscarded() {
Stack<Integer> intStack = new Stack<>();
List<Integer> inputIntList = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 9, 10);
intStack.addAll(inputIntList);
List<Integer> filtered = intStack
.stream()
.filter(element -> element <= 3)
.collect(Collectors.toList());
assertEquals(3, filtered.size());
}
}

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