org.eclipse.m2e.wtp.EjbPluginConfiguration.java Source code

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Here is the source code for org.eclipse.m2e.wtp.EjbPluginConfiguration.java

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/*******************************************************************************
 * Copyright (c) 2008 Sonatype, Inc.
 * 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
 *******************************************************************************/

package org.eclipse.m2e.wtp;

import org.apache.maven.model.Plugin;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants;
import org.eclipse.m2e.core.project.MavenProjectUtils;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * maven-ear-plugin configuration model.
 * 
 * @see <a href="http://maven.apache.org/plugins/maven-ejb-plugin/ejb-mojo.html">http://maven.apache.org/plugins/maven-ejb-plugin/ejb-mojo.html</a>
 * 
 * @provisional This class has been added as part of a work in progress. 
 * It is not guaranteed to work or remain the same in future releases. 
 * For more information contact <a href="mailto:m2e-wtp-dev@eclipse.org">m2e-wtp-dev@eclipse.org</a>.
 * 
 * @author Fred Bricon
 */
public class EjbPluginConfiguration {

    private static final Logger LOG = LoggerFactory.getLogger(EjbPluginConfiguration.class);

    /**
     * Maven defaults ejb version to 2.1
     */
    private static final IProjectFacetVersion DEFAULT_EJB_FACET_VERSION = IJ2EEFacetConstants.EJB_21;

    final Plugin plugin;

    final MavenProject ejbProject;

    public EjbPluginConfiguration(MavenProject mavenProject) {

        if (JEEPackaging.EJB != JEEPackaging.getValue(mavenProject.getPackaging()))
            throw new IllegalArgumentException("Maven project must have ejb packaging");

        this.ejbProject = mavenProject;
        this.plugin = mavenProject.getPlugin("org.apache.maven.plugins:maven-ejb-plugin");
    }

    /**
     * Gets EJB_FACET version of the project from pom.xml.<br/> 
     * @return  value of &lt;maven-ejb-plugin&gt;&lt;configuration&gt;&lt;ejbVersion&gt;. Default value is 2.1.
     */
    public IProjectFacetVersion getEjbFacetVersion() {
        if (plugin == null) {
            return DEFAULT_EJB_FACET_VERSION;
        }

        Xpp3Dom dom = (Xpp3Dom) plugin.getConfiguration();
        if (dom == null) {
            return DEFAULT_EJB_FACET_VERSION;
        }

        String ejbVersion = DomUtils.getChildValue(dom, "ejbVersion");
        if (ejbVersion != null) {
            try {
                return WTPProjectsUtil.EJB_FACET.getVersion(ejbVersion);
            } catch (Exception e) {
                LOG.warn(e.getMessage());
                //If ejbVersion > 3.0 and WTP < 3.2, then downgrade to ejb facet 3.0
                if (ejbVersion.startsWith("3.")) {
                    return IJ2EEFacetConstants.EJB_30;
                }
            }
        }
        return DEFAULT_EJB_FACET_VERSION;
    }

    /**
     * @return the first resource location directory declared in pom.xml
     */
    public String getEjbContentDirectory(IProject project) {
        IPath[] resources = MavenProjectUtils.getResourceLocations(project, ejbProject.getResources());
        return resources[0].toPortableString();
    }

}