Merge pull request #6975 from alejandrogervasio/decouplingpattern1
BAEL-2946 - Module Decoupling Pattern 1
This commit is contained in:
Erik Pragt
GitHub
commit
1ce539f233
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>consumermodule</artifactId>
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<packaging>jar</packaging>
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<version>1.0</version>
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<parent>
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<groupId>com.baeldung.decoupling-pattern1</groupId>
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<artifactId>decoupling-pattern1</artifactId>
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<version>1.0</version>
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</parent>
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<build>
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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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</plugin>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>com.baeldung.servicemodule</groupId>
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<artifactId>servicemodule</artifactId>
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<version>1.0</version>
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</dependency>
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</dependencies>
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</project>
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package com.baeldung.consumermodule;
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import com.baeldung.servicemodule.external.TextService;
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import com.baeldung.servicemodule.external.TextServiceFactory;
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public class Application {
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public static void main(String args[]) {
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TextService textService = TextServiceFactory.getTextService("lowercase");
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System.out.println(textService.processText("Hello from Baeldung!"));
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}
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}
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module com.baeldung.consumermodule {
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requires com.baeldung.servicemodule;
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}
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<?xml version="1.0" encoding="UTF-8"?>
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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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<groupId>com.baeldung.decoupling-pattern1</groupId>
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<artifactId>decoupling-pattern1</artifactId>
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<version>1.0</version>
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<packaging>pom</packaging>
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<modules>
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<module>servicemodule</module>
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<module>consumermodule</module>
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</modules>
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<build>
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<pluginManagement>
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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>11</source>
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<target>11</target>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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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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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung.servicemodule</groupId>
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<artifactId>servicemodule</artifactId>
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<packaging>jar</packaging>
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<parent>
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<groupId>com.baeldung.decoupling-pattern1</groupId>
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<artifactId>decoupling-pattern1</artifactId>
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<version>1.0</version>
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</parent>
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<build>
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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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</plugin>
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</plugins>
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</build>
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</project>
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package com.baeldung.servicemodule.external;
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public interface TextService {
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String processText(String text);
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}
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package com.baeldung.servicemodule.external;
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import com.baeldung.servicemodule.internal.LowercaseTextService;
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import com.baeldung.servicemodule.internal.UppercaseTextService;
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public class TextServiceFactory {
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private TextServiceFactory() {}
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public static TextService getTextService(String name) {
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return name.equalsIgnoreCase("lowercase") ? new LowercaseTextService(): new UppercaseTextService();
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}
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}
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package com.baeldung.servicemodule.internal;
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import com.baeldung.servicemodule.external.TextService;
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public class LowercaseTextService implements TextService {
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@Override
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public String processText(String text) {
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return text.toLowerCase();
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}
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}
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package com.baeldung.servicemodule.internal;
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import com.baeldung.servicemodule.external.TextService;
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public class UppercaseTextService implements TextService {
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@Override
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public String processText(String text) {
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return text.toUpperCase();
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}
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}
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@ -0,0 +1,3 @@
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module com.baeldung.servicemodule {
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exports com.baeldung.servicemodule.external;
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}
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