org.overlord.sramp.integration.java.deriver.MavenPomDeriver.java Source code

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Here is the source code for org.overlord.sramp.integration.java.deriver.MavenPomDeriver.java

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/*
 * Copyright 2013 JBoss Inc
 *
 * 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.
 */
package org.overlord.sramp.integration.java.deriver;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.apache.maven.model.Model;
import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import org.oasis_open.docs.s_ramp.ns.s_ramp_v1.BaseArtifactType;
import org.oasis_open.docs.s_ramp.ns.s_ramp_v1.ExtendedDocument;
import org.overlord.sramp.common.SrampModelUtils;
import org.overlord.sramp.common.derived.ArtifactDeriver;
import org.overlord.sramp.common.derived.LinkerContext;
import org.overlord.sramp.integration.java.model.JavaModel;

/**
 * This deriver operates on a Maven pom.
 *
 * @author kurt.stam@redhat.com
 */
public class MavenPomDeriver implements ArtifactDeriver {

    /**
     * Constructor.
     */
    public MavenPomDeriver() {
    }

    /**
     * @see org.overlord.sramp.common.derived.ArtifactDeriver#derive(org.oasis_open.docs.s_ramp.ns.s_ramp_v1.BaseArtifactType, java.io.InputStream)
     */
    @Override
    public Collection<BaseArtifactType> derive(BaseArtifactType artifact, InputStream contentStream)
            throws IOException {
        List<BaseArtifactType> derivedArtifacts = new ArrayList<BaseArtifactType>();
        try {
            Model model = new MavenXpp3Reader().read(contentStream);
            MavenProject project = new MavenProject(model);
            ((ExtendedDocument) artifact).setExtendedType(JavaModel.TYPE_MAVEN_POM_XML);
            for (String key : project.getProperties().stringPropertyNames()) {
                String value = project.getProperties().getProperty(key);
                SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_PROPERTY + key, value);
            }
            //set core properties when not specified on the request
            if (artifact.getDescription() == null)
                artifact.setDescription(project.getDescription());
            if (artifact.getName() == null)
                artifact.setName(project.getName());
            if (artifact.getVersion() == null)
                artifact.setVersion(project.getVersion());
            //set the GAV and packaging info
            SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_ARTIFACT_ID, model.getArtifactId());
            SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_GROUP_ID, model.getGroupId());
            SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_VERSION, model.getVersion());
            SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_PACKAGING, model.getPackaging());
            //set the parent GAV info
            if (model.getParent() != null) {
                SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_PARENT_ARTIFACT_ID,
                        model.getParent().getArtifactId());
                SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_PARENT_GROUP_ID,
                        model.getParent().getGroupId());
                SrampModelUtils.setCustomProperty(artifact, JavaModel.PROP_MAVEN_PARENT_VERSION,
                        model.getParent().getVersion());
            }
        } catch (XmlPullParserException e) {
            throw new IOException(e.getMessage(), e);
        }
        return derivedArtifacts;
    }

    /**
     * @see org.overlord.sramp.common.derived.ArtifactDeriver#link(org.overlord.sramp.common.derived.LinkerContext, org.oasis_open.docs.s_ramp.ns.s_ramp_v1.BaseArtifactType, java.util.Collection)
     */
    @Override
    public void link(LinkerContext context, BaseArtifactType sourceArtifact,
            Collection<BaseArtifactType> derivedArtifacts) {
    }

}