Examples with MavenEmbedder hudson.maven.MavenEmbedder used on opensource projects

Example 1 with MavenEmbedder

use of hudson.maven.MavenEmbedder in project hudson-2.x by hudson.

the class HudsonTestCase method recipeLoadCurrentPlugin.

/**
     * If this test harness is launched for a Hudson plugin, locate the <tt>target/test-classes/the.hpl</tt>
     * and add a recipe to install that to the new Hudson.
     *
     * <p>
     * This file is created by <tt>maven-hpi-plugin</tt> at the testCompile phase when the current
     * packaging is <tt>hpi</tt>.
     */
protected void recipeLoadCurrentPlugin() throws Exception {
    final Enumeration<URL> e = getClass().getClassLoader().getResources("the.hpl");
    // nope
    if (!e.hasMoreElements())
        return;
    final URL hpl = e.nextElement();
    recipes.add(new Runner() {

        @Override
        public void decorateHome(HudsonTestCase testCase, File home) throws Exception {
            while (e.hasMoreElements()) {
                final URL hpl = e.nextElement();
                // make the plugin itself available
                Manifest m = new Manifest(hpl.openStream());
                String shortName = m.getMainAttributes().getValue("Short-Name");
                if (shortName == null)
                    throw new Error(hpl + " doesn't have the Short-Name attribute");
                FileUtils.copyURLToFile(hpl, new File(home, "plugins/" + shortName + ".hpl"));
                // make dependency plugins available
                // TODO: probably better to read POM, but where to read from?
                // TODO: this doesn't handle transitive dependencies
                // Tom: plugins are now searched on the classpath first. They should be available on
                // the compile or test classpath. As a backup, we do a best-effort lookup in the Maven repository
                // For transitive dependencies, we could evaluate Plugin-Dependencies transitively.
                String dependencies = m.getMainAttributes().getValue("Plugin-Dependencies");
                if (dependencies != null) {
                    MavenEmbedder embedder = new MavenEmbedder(getClass().getClassLoader(), null);
                    for (String dep : dependencies.split(",")) {
                        String[] tokens = dep.split(":");
                        String artifactId = tokens[0];
                        String version = tokens[1];
                        File dependencyJar = null;
                        // need to search multiple group IDs
                        // TODO: extend manifest to include groupID:artifactID:version
                        Exception resolutionError = null;
                        for (String groupId : new String[] { "org.jvnet.hudson.plugins", "org.jvnet.hudson.main" }) {
                            // first try to find it on the classpath.
                            // this takes advantage of Maven POM located in POM
                            URL dependencyPomResource = getClass().getResource("/META-INF/maven/" + groupId + "/" + artifactId + "/pom.xml");
                            if (dependencyPomResource != null) {
                                // found it
                                dependencyJar = Which.jarFile(dependencyPomResource);
                                break;
                            } else {
                                Artifact a;
                                a = embedder.createArtifact(groupId, artifactId, version, "compile", /*doesn't matter*/
                                "hpi");
                                try {
                                    embedder.resolve(a, Arrays.asList(embedder.createRepository("http://maven.glassfish.org/content/groups/public/", "repo")), embedder.getLocalRepository());
                                    dependencyJar = a.getFile();
                                } catch (AbstractArtifactResolutionException x) {
                                    // could be a wrong groupId
                                    resolutionError = x;
                                }
                            }
                        }
                        if (dependencyJar == null)
                            throw new Exception("Failed to resolve plugin: " + dep, resolutionError);
                        File dst = new File(home, "plugins/" + artifactId + ".hpi");
                        if (!dst.exists() || dst.lastModified() != dependencyJar.lastModified()) {
                            FileUtils.copyFile(dependencyJar, dst);
                        }
                    }
                }
            }
        }
    });
}