org.eclipse.m2e.maveneclipse.handler.additionalprojectfacets.JstWebFacetConfigProvider.java Source code

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Here is the source code for org.eclipse.m2e.maveneclipse.handler.additionalprojectfacets.JstWebFacetConfigProvider.java

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/*
 * Copyright 2000-2014 the original author or authors.
 * 
 * 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.maveneclipse.handler.additionalprojectfacets;

import org.apache.maven.model.Plugin;
import org.codehaus.plexus.util.xml.Xpp3Dom;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jst.j2ee.project.facet.IJ2EEModuleFacetInstallDataModelProperties;
import org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDataModelProvider;
import org.eclipse.jst.j2ee.web.project.facet.WebFacetInstallDelegate;
import org.eclipse.m2e.core.project.MavenProjectUtils;
import org.eclipse.m2e.maveneclipse.MavenEclipseContext;
import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;

/**
 * {@link FacetConfigProvider} for <tt>jst.web</tt> facets. Sets the web source directory
 * to prevent superfluous folders being created.
 *
 * @author Phillip Webb
 */
public class JstWebFacetConfigProvider implements FacetConfigProvider {

    private static final String DEFAULT_WAR_SOURCE = "/src/main/webapp";

    public void prepare(MavenEclipseContext context) throws CoreException {
        setJavaOutputLocation(context);
    }

    /**
     * Sets the java output directory. This is required here to ensure that the correct
     * <tt>java-output-path</tt> is set by the {@link WebFacetInstallDelegate}.
     * @param context the context
     * @throws JavaModelException
     */
    private void setJavaOutputLocation(MavenEclipseContext context) throws JavaModelException {
        IProject project = context.getProject();
        IJavaProject javaProject = JavaCore.create(project);
        if (javaProject != null) {
            String outputDirectory = context.getMavenProject().getBuild().getOutputDirectory();
            IPath outputPath = MavenProjectUtils.getProjectRelativePath(project, outputDirectory);
            IFolder outputFolder = project.getFolder(outputPath);
            javaProject.setOutputLocation(outputFolder.getFullPath(), context.getMonitor());
        }
    }

    public Object getFacetConfig(MavenEclipseContext context, IProjectFacetVersion projectFacetVersion)
            throws CoreException {
        String configFolder = DEFAULT_WAR_SOURCE;
        Plugin plugin = context.getMavenProject().getPlugin("org.apache.maven.plugins:maven-war-plugin");
        if (plugin != null) {
            Xpp3Dom configuration = (Xpp3Dom) plugin.getConfiguration();
            if (configuration != null) {
                Xpp3Dom[] warSourceConfiguration = configuration.getChildren("warSourceDirectory");
                if (warSourceConfiguration != null && warSourceConfiguration.length > 0) {
                    configFolder = warSourceConfiguration[0].getValue();
                    configFolder = MavenProjectUtils.getProjectRelativePath(context.getProject(), configFolder)
                            .toOSString();
                }
            }
        }
        IDataModel webFacetConfig = DataModelFactory.createDataModel(new WebFacetInstallDataModelProvider());
        webFacetConfig.setProperty(IJ2EEModuleFacetInstallDataModelProperties.CONFIG_FOLDER, configFolder);
        return webFacetConfig;
    }

}