org.eclipse.ebr.tycho.extras.plugin.RecipeBundleProject.java Source code

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Here is the source code for org.eclipse.ebr.tycho.extras.plugin.RecipeBundleProject.java

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/**
 * Copyright (c) 2016 Tasktop Technologies, Salesforce and others.
 * All rights reserved.
 *
 * This program and the accompanying materials are made available under the terms of the
 * Eclipse Public License v1.0 which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Gunnar Wagenknecht - initial API and implementation
 */
package org.eclipse.ebr.tycho.extras.plugin;

import static java.util.Objects.requireNonNull;

import java.io.File;

import javax.inject.Inject;
import javax.inject.Named;

import org.eclipse.tycho.ArtifactKey;
import org.eclipse.tycho.ReactorProject;
import org.eclipse.tycho.core.ArtifactDependencyWalker;
import org.eclipse.tycho.core.osgitools.AbstractTychoProject;
import org.eclipse.tycho.core.osgitools.BundleReader;
import org.eclipse.tycho.core.osgitools.OsgiManifest;
import org.eclipse.tycho.core.shared.TargetEnvironment;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.project.MavenProject;

/**
 * Hook into Tycho allowing an EBR project to be treated as a Tycho project.
 */
@Named("eclipse-bundle-recipe")
public class RecipeBundleProject extends AbstractTychoProject {

    private static final String CTX_ARTIFACT_KEY = RecipeBundleProject.class.getName()
            + "/bundleRecipe/artifactKey";

    private final BundleReader bundleReader;

    @Inject
    public RecipeBundleProject(final BundleReader bundleReader) {
        this.bundleReader = requireNonNull(bundleReader, "BundleReader is required!");
    }

    @Override
    public ArtifactKey getArtifactKey(final ReactorProject project) {
        // this relies on #setupProject being called
        final ArtifactKey key = (ArtifactKey) project.getContextValue(CTX_ARTIFACT_KEY);
        if (key == null)
            throw new IllegalStateException("Project has not been setup yet " + project.toString());

        return key;
    }

    private File getBuildDirectory(final MavenProject project) {
        return new File(project.getBuild().getDirectory());
    }

    @Override
    public ArtifactDependencyWalker getDependencyWalker(final MavenProject project) {
        throw new IllegalStateException("not implemented");
    }

    @Override
    public ArtifactDependencyWalker getDependencyWalker(final MavenProject project,
            final TargetEnvironment environment) {
        throw new IllegalStateException("not implemented");
    }

    private OsgiManifest getManifest(final MavenProject project) {
        return bundleReader.loadManifest(new File(getBuildDirectory(project), "MANIFEST.MF"));
    }

    public String getManifestValue(final String key, final MavenProject project) {
        return getManifest(project).getValue(key);
    }

    public ArtifactKey readArtifactKey(final File location) {
        final OsgiManifest mf = bundleReader.loadManifest(location);
        return mf.toArtifactKey();
    }

    @Override
    public void setupProject(final MavenSession session, final MavenProject project) {
        // FIXME this might not work, i.e. a manifest might not exist yet
        // instead we should build the ArtifactKey based on known values (POM)
        final ArtifactKey key = getManifest(project).toArtifactKey();
        project.setContextValue(CTX_ARTIFACT_KEY, key);
    }
}