diff options
| -rw-r--r-- | .gitattributes | 22 | ||||
| -rwxr-xr-x | .gitignore | 3 | ||||
| -rwxr-xr-x | pom.xml | 67 | ||||
| -rwxr-xr-x | src/main/java/io/trygvis/maven/classpath/ClasspathMojo.java | 125 |
4 files changed, 217 insertions, 0 deletions
diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..703390b --- /dev/null +++ b/.gitattributes @@ -0,0 +1,22 @@ +# Default behaviour, in case users don't have core.autocrlf set +* text=auto + +# Explicitly declare text files we want to always be normalized and +# converted to native line endings on checkout +*.java text +*.properties text +*.xml text +*.css text +*.js text +*.html text + + +# shell scripts must always use lf +*.sh text eol=lf + + +# binary files, should never be modified +*.png binary +*.jpg binary +*.pdf binary +*.jar binary diff --git a/.gitignore b/.gitignore new file mode 100755 index 0000000..612c5bc --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +target +.idea +*.iml @@ -0,0 +1,67 @@ +<project> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>io.trygvis</groupId> + <artifactId>trygvis-parent</artifactId> + <version>1</version> + </parent> + <groupId>io.trygvis.maven</groupId> + <artifactId>classpath-maven-plugin</artifactId> + <version>1.0-SNAPSHOT</version> + <packaging>maven-plugin</packaging> + <properties> + <maven.compiler.source>1.5</maven.compiler.source> + <maven.compiler.target>1.5</maven.compiler.target> + <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> + </properties> + <dependencies> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-plugin-api</artifactId> + <version>3.0</version> + </dependency> + <dependency> + <groupId>org.apache.maven</groupId> + <artifactId>maven-core</artifactId> + <version>3.0</version> + </dependency> + <dependency> + <groupId>org.apache.maven.plugin-tools</groupId> + <artifactId>maven-plugin-annotations</artifactId> + <version>3.1</version> + <scope>provided</scope> + </dependency> + <dependency> + <groupId>org.sonatype.plexus</groupId> + <artifactId>plexus-build-api</artifactId> + <version>0.0.7</version> + </dependency> + </dependencies> + <build> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-plugin-plugin</artifactId> + <version>3.2</version> + <configuration> + <skipErrorNoDescriptorsFound>true</skipErrorNoDescriptorsFound> + </configuration> + <executions> + <execution> + <id>mojo-descriptor</id> + <goals> + <goal>descriptor</goal> + </goals> + </execution> + <execution> + <id>help-goal</id> + <goals> + <goal>helpmojo</goal> + </goals> + </execution> + </executions> + </plugin> + </plugins> + </build> +</project> + diff --git a/src/main/java/io/trygvis/maven/classpath/ClasspathMojo.java b/src/main/java/io/trygvis/maven/classpath/ClasspathMojo.java new file mode 100755 index 0000000..4cc8d39 --- /dev/null +++ b/src/main/java/io/trygvis/maven/classpath/ClasspathMojo.java @@ -0,0 +1,125 @@ +package io.trygvis.maven.classpath; + +import static java.util.Collections.singletonList; +import static java.util.Collections.sort; +import static org.apache.maven.plugins.annotations.LifecyclePhase.GENERATE_RESOURCES; +import static org.apache.maven.plugins.annotations.ResolutionScope.RUNTIME; + +import java.io.File; +import java.io.IOException; +import java.io.OutputStream; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +import org.apache.maven.artifact.Artifact; +import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout; +import org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout; +import org.apache.maven.model.Resource; +import org.apache.maven.plugin.AbstractMojo; +import org.apache.maven.plugin.MojoExecutionException; +import org.apache.maven.plugin.MojoFailureException; +import org.apache.maven.plugins.annotations.Component; +import org.apache.maven.plugins.annotations.Mojo; +import org.apache.maven.plugins.annotations.Parameter; +import org.apache.maven.project.MavenProject; +import org.codehaus.plexus.util.IOUtil; +import org.sonatype.plexus.build.incremental.BuildContext; + +/** + * Writes the path of each compile/runtime dependency of a project to a file, + * where each path is relative to the root of a maven repository. + * <p> + * For example, if the project depends on commons-lang 2.6 and commons-math 2.2, + * then the file written will contain the line: + * <pre> + * commons-lang/commons-lang/2.6/commons-lang-2.6.jar + * org/apache/commons/commons-math/2.2/commons-math-2.2.jar + * </pre> + */ +@Mojo(name = "classpath", + defaultPhase = GENERATE_RESOURCES, + requiresDependencyCollection = RUNTIME) +public class ClasspathMojo extends AbstractMojo { + + @Component + private BuildContext context; + + @Parameter(property = "project", required = true, readonly = true) + private MavenProject project; + + @Parameter(defaultValue = "${project.build.directory}/generated-resources/classpath", property = "classpathOutputDirectory") + private File outputDirectory; + + @Parameter(defaultValue = "classpath.txt") + private String file; + + @Parameter(property = "sort", defaultValue = "false") + private boolean sort; + + public void execute() throws MojoExecutionException, MojoFailureException { + List<String> paths = buildClasspath(); + writeClasspath(paths); + addGeneratedResourceToBuild(); + } + + @SuppressWarnings("unchecked") + private List<String> buildClasspath() { + ArtifactRepositoryLayout layout = new DefaultRepositoryLayout(); +// List<Artifact> artifacts = project.getRuntimeArtifacts(); +// Collection<Artifact> artifacts = project.getDependencyArtifacts(); + Collection<Artifact> artifacts = project.getArtifacts(); + List<String> paths = new ArrayList<String>(artifacts.size()); + for (Artifact artifact : artifacts) { +// System.out.println("artifact.getId() = " + artifact.getId()); + String key = artifact.getGroupId() + ":" + artifact.getArtifactId() + ":" + artifact.getClassifier() + ":" + artifact.getVersion() + ":" + artifact.getType() + ":" + artifact.getClassifier(); +// System.out.println("key: " + key); + paths.add(key); + } + + if (sort) { + sort(paths); + } + return paths; + } + + private void writeClasspath(List<String> paths) + throws MojoFailureException, MojoExecutionException { + File output = new File(outputDirectory, file); + File directory = output.getParentFile(); + if (!directory.exists() && ! directory.mkdirs()) { + throw new MojoFailureException("Could not create directory: " + directory); + } + + try { + writeClasspathFile(output, paths); + } catch (IOException ex) { + throw new MojoExecutionException("Could not write to " + file, ex); + } + } + + + private void writeClasspathFile(File output, List<String> classpath) + throws IOException { + OutputStream os = context.newFileOutputStream(output); + PrintWriter writer = null; + try { + writer = new PrintWriter(new OutputStreamWriter(os, "UTF-8")); + for (String s : classpath) { + writer.println(s); + } + } finally { + IOUtil.close(writer); + os.close(); + } + } + + private void addGeneratedResourceToBuild() { + Resource resource = new Resource(); + resource.setDirectory(outputDirectory.getPath()); + resource.setIncludes(singletonList(file)); + project.addResource(resource); + } +} |