[BAEL-2073] Java 9 Migration Issues and Resolution
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macroscopic64
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>prejpms</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>pre-jpms</name>
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<parent>
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<artifactId>parent-modules</artifactId>
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<groupId>com.baeldung</groupId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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<version>1.7.25</version>
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</dependency>
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</dependencies>
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<build>
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<finalName>pre-jpms</finalName>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.0</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-dependency-plugin</artifactId>
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<version>3.1.1</version>
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<executions>
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<execution>
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<id>copy-dependencies</id>
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<phase>package</phase>
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<goals>
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<goal>copy-dependencies</goal>
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</goals>
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<configuration>
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<outputDirectory>
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${project.build.directory}/dependency-jars/
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</outputDirectory>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.baeldung.prejpms.App</mainClass>
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<addClasspath>true</addClasspath>
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<classpathPrefix>dependency-jars/</classpathPrefix>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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</project>
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package com.baeldung.prejpms;
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import java.io.StringWriter;
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import javax.xml.bind.JAXBContext;
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import javax.xml.bind.JAXBException;
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import javax.xml.bind.Marshaller;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.sun.crypto.provider.SunJCE;
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import sun.misc.BASE64Encoder;
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import sun.reflect.Reflection;
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public class App {
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private static final Logger logger = LoggerFactory.getLogger(App.class);
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public static void main(String[] args) throws Exception {
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getCrytpographyProviderName();
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getCallStackClassNames();
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getXmlFromObject(new Book(100, "Java Modules Architecture"));
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getBase64EncodedString("Java");
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}
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private static void getCrytpographyProviderName() {
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try {
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logger.info("1. Java Cryptography Extension - Provider Name: " + new SunJCE().getName() + "\n");
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} catch (Throwable e) {
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logger.error(e.toString());
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}
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}
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private static void getCallStackClassNames() {
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try {
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int i = 0;
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StringBuffer sbStack = new StringBuffer();
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while (true) {
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Class<?> caller = Reflection.getCallerClass(i++);
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if (caller == null) {
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break;
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} else {
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sbStack.append(caller.getName())
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.append("\n");
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}
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}
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logger.info("2. Call Stack Class Names:\n" + sbStack.toString());
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} catch (Throwable e) {
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logger.error(e.toString());
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}
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}
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private static void getXmlFromObject(Book book) {
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try {
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Marshaller marshallerObj = JAXBContext.newInstance(Book.class)
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.createMarshaller();
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marshallerObj.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
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StringWriter sw = new StringWriter();
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marshallerObj.marshal(book, sw);
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logger.info("3. Xml for Book object:\n" + sw);
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} catch (Throwable e) {
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logger.error(e.toString());
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}
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}
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private static void getBase64EncodedString(String inputString) {
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try {
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String encodedString = new BASE64Encoder().encode(inputString.getBytes());
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logger.info("4. Base Encoded String: " + encodedString);
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} catch (Throwable e) {
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logger.error(e.toString());
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}
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}
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}
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@ -0,0 +1,39 @@
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package com.baeldung.prejpms;
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import javax.xml.bind.annotation.XmlAttribute;
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import javax.xml.bind.annotation.XmlElement;
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import javax.xml.bind.annotation.XmlRootElement;
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@XmlRootElement(name = "book")
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public class Book {
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private long id;
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private String name;
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public Book() {
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}
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public Book(long id, String name) {
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this.id = id;
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this.name = name;
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}
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@XmlAttribute
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public void setId(Long id) {
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this.id = id;
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}
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@XmlElement(name = "title")
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public void setName(String name) {
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this.name = name;
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}
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public String getName() {
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return name;
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}
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public Long getId() {
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return id;
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}
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}
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@ -0,0 +1,10 @@
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<configuration>
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder>
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<pattern>[%level] %msg%n</pattern>
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</encoder>
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</appender>
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<root level="debug">
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<appender-ref ref="STDOUT" />
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</root>
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</configuration>
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