Java tutorial
/******************************************************************************* * Copyright 2011 Google Inc. All Rights Reserved. * * 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 * * 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 com.google.gdt.eclipse.maven.e35.configurators; import com.google.appengine.eclipse.core.nature.GaeNature; import com.google.gdt.eclipse.core.StringUtilities; import com.google.gdt.eclipse.core.properties.WebAppProjectProperties; import com.google.gdt.eclipse.maven.Activator; import com.google.gdt.eclipse.maven.sdk.GWTMavenRuntime; import com.google.gwt.eclipse.core.nature.GWTNature; import org.apache.maven.execution.DefaultMavenExecutionRequest; import org.apache.maven.execution.MavenExecutionResult; import org.apache.maven.model.Dependency; import org.apache.maven.project.MavenProject; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.maven.ide.eclipse.MavenPlugin; import org.maven.ide.eclipse.embedder.IMaven; import org.maven.ide.eclipse.project.configurator.ProjectConfigurationRequest; import org.osgi.service.prefs.BackingStoreException; import java.util.Arrays; import java.util.List; /** * M2Eclipse project configuration extension that configures a project to get * the Google GWT/GAE project nature. * * NOTE: Do not access this class from outside of the configurators package. All * classes in the configurators package have dependencies on plugins that may or * may not be present in the user's installation. As long as these classes are * only invoked through m2Eclipe's extension points, other parts of this plugin * can be used without requiring the m2Eclipse dependencies. */ public class GoogleProjectConfigurator extends AbstractGoogleProjectConfigurator { private static final List<String> GAE_UNPACK_GOAL = Arrays .asList(new String[] { "net.kindleit:maven-gae-plugin:unpack" }); @Override protected void doConfigure(final MavenProject mavenProject, IProject project, ProjectConfigurationRequest request, final IProgressMonitor monitor) throws CoreException { final IMaven maven = MavenPlugin.getDefault().getMaven(); boolean configureGaeNatureSuccess = configureNature(project, mavenProject, GaeNature.NATURE_ID, true, new NatureCallbackAdapter() { @Override public void beforeAddingNature() { try { DefaultMavenExecutionRequest executionRequest = new DefaultMavenExecutionRequest(); executionRequest.setBaseDirectory(mavenProject.getBasedir()); executionRequest.setLocalRepository(maven.getLocalRepository()); executionRequest.setRemoteRepositories(mavenProject.getRemoteArtifactRepositories()); executionRequest .setPluginArtifactRepositories(mavenProject.getPluginArtifactRepositories()); executionRequest.setPom(mavenProject.getFile()); executionRequest.setGoals(GAE_UNPACK_GOAL); MavenExecutionResult result = maven.execute(executionRequest, monitor); if (result.hasExceptions()) { Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Error configuring project", result.getExceptions().get(0))); } } catch (CoreException e) { Activator.getDefault().getLog().log( new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Error configuring project", e)); } } }, monitor); boolean configureGWTNatureSuccess = configureNature(project, mavenProject, GWTNature.NATURE_ID, true, new NatureCallbackAdapter() { @Override public void beforeAddingNature() { // Get the GWT version from the project pom String gwtVersion = null; List<Dependency> dependencies = mavenProject.getDependencies(); for (Dependency dependency : dependencies) { if (GWTMavenRuntime.MAVEN_GWT_GROUP_ID.equals(dependency.getGroupId()) && (GWTMavenRuntime.MAVEN_GWT_USER_ARTIFACT_ID .equals(dependency.getArtifactId()) || GWTMavenRuntime.MAVEN_GWT_SERVLET_ARTIFACT_ID .equals(dependency.getArtifactId()))) { gwtVersion = dependency.getVersion(); break; } } // Check that the pom.xml has GWT dependencies if (!StringUtilities.isEmpty(gwtVersion)) { try { /* * Download and install the gwt-dev.jar into the local * repository. */ maven.resolve(GWTMavenRuntime.MAVEN_GWT_GROUP_ID, GWTMavenRuntime.MAVEN_GWT_DEV_JAR_ARTIFACT_ID, gwtVersion, "jar", null, mavenProject.getRemoteArtifactRepositories(), monitor); } catch (CoreException e) { Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Error configuring project", e)); } } } }, monitor); if (configureGWTNatureSuccess || configureGaeNatureSuccess) { try { // Add GWT Web Application configuration parameters WebAppProjectProperties.setWarSrcDir(project, new Path("src/main/webapp")); WebAppProjectProperties.setWarSrcDirIsOutput(project, false); String artifactId = mavenProject.getArtifactId(); String version = mavenProject.getVersion(); IPath location = (project.getRawLocation() != null ? project.getRawLocation() : project.getLocation()); if (location != null && artifactId != null && version != null) { WebAppProjectProperties.setLastUsedWarOutLocation(project, location.append("target").append(artifactId + "-" + version)); } } catch (BackingStoreException be) { Activator.getDefault().getLog() .log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Error configuring project", be)); } } } }