Bael 3501 how to create a maven plugin (#8257)
* BAEL-3501 - maven plugin * formatting * build * maven plugin moved to maven-all module * maven-custom-plugin moved to maven-all * pom fix * format
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Marcos Lopez Gonzalez
maibin
parent
d3f7b340c4
commit
bd87e517dc
81
maven-all/maven-custom-plugin/counter-maven-plugin/pom.xml
Normal file
81
maven-all/maven-custom-plugin/counter-maven-plugin/pom.xml
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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/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>counter-maven-plugin</artifactId>
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<packaging>maven-plugin</packaging>
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<version>0.0.1-SNAPSHOT</version>
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<name>counter-maven-plugin Maven Mojo</name>
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<url>http://maven.apache.org</url>
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<organization>
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<name>Baeldung</name>
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<url>https://www.baeldung.com/</url>
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</organization>
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<properties>
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<maven.compiler.target>1.8</maven.compiler.target>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven-plugin-api.version>3.6.2</maven-plugin-api.version>
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<maven-plugin-annotations.version>3.6.0</maven-plugin-annotations.version>
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<maven-project.version>2.2.1</maven-project.version>
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<maven-plugin-plugin.version>3.6.0</maven-plugin-plugin.version>
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<maven-site-plugin.version>3.8.2</maven-site-plugin.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.apache.maven</groupId>
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<artifactId>maven-plugin-api</artifactId>
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<version>${maven-plugin-api.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.maven.plugin-tools</groupId>
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<artifactId>maven-plugin-annotations</artifactId>
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<version>${maven-plugin-annotations.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.maven</groupId>
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<artifactId>maven-project</artifactId>
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<version>${maven-project.version}</version>
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</dependency>
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</dependencies>
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<build>
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<pluginManagement>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-plugin-plugin</artifactId>
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<version>${maven-plugin-plugin.version}</version>
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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-site-plugin</artifactId>
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<version>${maven-site-plugin.version}</version>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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<reporting>
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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-plugin-plugin</artifactId>
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<reportSets>
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<reportSet>
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<reports>
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<report>report</report>
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</reports>
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</reportSet>
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</reportSets>
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</plugin>
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</plugins>
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</reporting>
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</project>
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@ -0,0 +1,45 @@
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package com.baeldung.maven.plugin.validator;
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import java.util.List;
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import org.apache.maven.model.Dependency;
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import org.apache.maven.plugin.AbstractMojo;
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import org.apache.maven.plugin.MojoExecutionException;
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import org.apache.maven.plugin.MojoFailureException;
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import org.apache.maven.plugins.annotations.LifecyclePhase;
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import org.apache.maven.plugins.annotations.Mojo;
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import org.apache.maven.plugins.annotations.Parameter;
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import org.apache.maven.project.MavenProject;
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/**
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* Counts the number of maven dependencies of a project.
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*
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* It can be filtered by scope.
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*
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*/
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@Mojo(name = "dependency-counter", defaultPhase = LifecyclePhase.COMPILE)
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public class DependencyCounterMojo extends AbstractMojo {
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/**
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* Scope to filter the dependencies.
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*/
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@Parameter(property = "scope")
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String scope;
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/**
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* Gives access to the Maven project information.
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*/
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@Parameter(defaultValue = "${project}", required = true, readonly = true)
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MavenProject project;
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public void execute() throws MojoExecutionException, MojoFailureException {
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List<Dependency> dependencies = project.getDependencies();
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long numDependencies = dependencies.stream()
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.filter(d -> (scope == null || scope.isEmpty()) || scope.equals(d.getScope()))
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.count();
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getLog().info("Number of dependencies: " + numDependencies);
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}
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}
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45
maven-all/maven-custom-plugin/usage-example/pom.xml
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45
maven-all/maven-custom-plugin/usage-example/pom.xml
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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</groupId>
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<artifactId>example</artifactId>
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<packaging>pom</packaging>
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<version>0.0.1-SNAPSHOT</version>
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<dependencies>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-lang3</artifactId>
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<version>3.9</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>com.baeldung</groupId>
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<artifactId>counter-maven-plugin</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<executions>
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<execution>
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<goals>
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<goal>dependency-counter</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<scope>test</scope>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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2
pom.xml
2
pom.xml
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<module>mapstruct</module>
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<!-- <module>maven-all/compiler-plugin-java-9</module> --> <!-- We haven't upgraded to java 9. -->
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<module>maven-all/maven</module>
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<module>maven-all/maven-custom-plugin/counter-maven-plugin</module>
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<module>maven-all/maven-war-plugin</module>
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<module>maven-all/profiles</module>
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<module>maven-all/versions-maven-plugin</module>
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@ -1208,6 +1209,7 @@
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<module>mapstruct</module>
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<!-- <module>maven-all/compiler-plugin-java-9</module> --> <!-- We haven't upgraded to java 9. -->
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<module>maven-all/maven</module>
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<module>maven-all/maven-custom-plugin/counter-maven-plugin</module>
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<module>maven-all/maven-war-plugin</module>
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<module>maven-all/profiles</module>
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<module>maven-all/versions-maven-plugin</module>
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