org.gosu_lang.tools.maven.GosuArtifactMojo.java Source code

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Here is the source code for org.gosu_lang.tools.maven.GosuArtifactMojo.java

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package org.gosu_lang.tools.maven;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.model.Dependency;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;

import java.util.List;
import java.util.Set;

/**
 * Goal which touches a timestamp file.
 *
 * @goal insert-gosu-artifact
 * 
 * @phase process-sources
 */
public class GosuArtifactMojo extends AbstractMojo {
    private static final String GOSU_GROUPID = "org.gosu-lang.gosu";
    private static final String CORE_API_ARTIFACTID = "gosu-core-api";
    private static final String CORE_ARTIFACTID = "gosu-core";

    /**
     * Used to look up Artifacts in the remote repository.
     *
     * @component
     * @required
     * @readonly
     */
    protected ArtifactFactory _factory;

    /**
     * The version of Gosu to compile against.
     *
     * @parameter
     * @required
     */
    @SuppressWarnings("UnusedDeclaration")
    private String gosuVersion;

    /**
     * Include gosu-core in the compile classpath.
     *
     * @parameter default-value=false
     */
    @SuppressWarnings("UnusedDeclaration")
    private boolean includeImpl;

    /**
     * Include gosu-test-api in the compile classpath.
     *
     * @parameter default-value=false
     */
    @SuppressWarnings("UnusedDeclaration")
    private boolean includeTestApi;

    public void execute() throws MojoExecutionException {
        MavenProject project = (MavenProject) getPluginContext().get("project");

        @SuppressWarnings("unchecked")
        List<Dependency> dependencies = (List<Dependency>) project.getModel().getDependencies();

        for (Dependency dep : dependencies) {
            String artifactId = dep.getArtifactId();
            String groupId = dep.getGroupId();
            if (GOSU_GROUPID.equals(groupId)
                    && (CORE_API_ARTIFACTID.equals(artifactId) || CORE_ARTIFACTID.equals(artifactId))) {
                throw new MojoExecutionException(
                        "Your project cannot explicitly depend on Gosu artifacts with this plugin in use (" + dep
                                + ")");
            }
        }

        @SuppressWarnings("unchecked")
        Set<Artifact> artifacts = (Set<Artifact>) project.getDependencyArtifacts();

        Artifact artifact = _factory.createArtifact(GOSU_GROUPID, CORE_API_ARTIFACTID, gosuVersion, "compile",
                "jar");
        getLog().info("Inserting " + artifact + " into the compile classpath.");
        if (!artifacts.contains(artifact)) {
            artifacts.add(artifact);
        }

        if (includeImpl) {
            artifact = _factory.createArtifact(GOSU_GROUPID, CORE_ARTIFACTID, gosuVersion, "compile", "jar");
            getLog().info("Inserting " + artifact + " into the compile classpath. Naughty!");
            if (!artifacts.contains(artifact)) {
                artifacts.add(artifact);
            }
        }
    }
}