Java tutorial
/******************************************************************************* * Copyright (c) 2014, 2015 Cisco Systems, Inc. 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 * *******************************************************************************/ package com.cisco.yangide.ui.wizards; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.apache.maven.model.Build; import org.apache.maven.model.Dependency; import org.apache.maven.model.Model; import org.apache.maven.model.Plugin; import org.apache.maven.model.PluginExecution; import org.apache.maven.model.Repository; import org.codehaus.plexus.util.xml.Xpp3Dom; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.FileLocator; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.m2e.core.MavenPlugin; import org.eclipse.m2e.core.ui.internal.wizards.MavenProjectWizard; import org.eclipse.ui.IWorkbench; import com.cisco.yangide.ui.YangUIPlugin; import com.cisco.yangide.ui.internal.IYangUIConstants; import com.cisco.yangide.ui.internal.YangUIImages; /** * @author Konstantin Zaitsev * @date Jun 26, 2014 */ @SuppressWarnings("restriction") public class YangProjectWizard extends MavenProjectWizard { /** Default source location. */ public static final String SRC_MAIN_YANG = "src/main/yang"; /** YANG tools configuration page. */ private YangProjectWizardPage yangPage; /** * Constructor. */ public YangProjectWizard() { super(); setWindowTitle("New YANG Project"); setDefaultPageImageDescriptor(YangUIImages.getImageDescriptor(IYangUIConstants.IMG_NEW_PROJECT_WIZ)); } @Override public void addPages() { yangPage = new YangProjectWizardPage(); addPage(yangPage); super.addPages(); } @Override public void init(IWorkbench workbench, IStructuredSelection selection) { super.init(workbench, selection); } @Override public boolean performFinish() { boolean res = super.performFinish(); if (!res) { return false; } final boolean doCreateDemoFile = yangPage.createExampleFile(); final IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(getModel().getArtifactId()); final String yangRoot = yangPage.getRootDir(); final IFolder folder = project.getFolder(yangRoot); final String yangVersion = yangPage.getYangVersion(); final List<CodeGeneratorConfig> generators = yangPage.getCodeGenerators(); Job updateJob = new Job("Yang Project update") { @Override public IStatus run(IProgressMonitor monitor) { try { createFolder(folder); IFile pomFile = project.getFile("pom.xml"); Model model = MavenPlugin.getMavenModelManager().readMavenModel(pomFile); updateModel(model, yangVersion, generators, yangRoot); pomFile.delete(true, new NullProgressMonitor()); MavenPlugin.getMavenModelManager().createMavenModel(pomFile, model); MavenPlugin.getProjectConfigurationManager().updateProjectConfiguration(project, new NullProgressMonitor()); if (doCreateDemoFile) { InputStream demoFileContents = null; try { Path demoPath = new Path("resources/yang/acme-system.yang"); demoFileContents = FileLocator.openStream(YangUIPlugin.getDefault().getBundle(), demoPath, false); folder.getFile("acme-system.yang").create(demoFileContents, true, null); } finally { if (demoFileContents != null) { demoFileContents.close(); } } } // Add yang folder to java classpath IJavaProject javaProject = JavaCore.create(project); List<IClasspathEntry> classpath = new ArrayList<>(Arrays.asList(javaProject.getRawClasspath())); IClasspathEntry yangSrc = JavaCore.newSourceEntry(folder.getFullPath()); boolean hasSame = false; for (IClasspathEntry ee : classpath) { if (ee.getPath().equals(yangSrc.getPath())) { hasSame = true; break; } } if (!hasSame) { classpath.add(yangSrc); javaProject.setRawClasspath(classpath.toArray(new IClasspathEntry[0]), new NullProgressMonitor()); } } catch (CoreException e) { YangUIPlugin.log(e.getMessage(), e); } catch (IOException e) { YangUIPlugin.log(e.getMessage(), e); } return Status.OK_STATUS; } }; updateJob.setRule(MavenPlugin.getProjectConfigurationManager().getRule()); updateJob.schedule(); return true; } private void createFolder(IFolder folder) { if (!folder.exists()) { IContainer parent = folder.getParent(); if (parent instanceof IFolder) { createFolder((IFolder) parent); } try { if (!folder.exists()) { folder.create(true, true, new NullProgressMonitor()); } } catch (CoreException e) { YangUIPlugin.log(e); } } } public void updateModel(Model model, String yangVersion, List<CodeGeneratorConfig> generators, String yangRoot) { // Model model = super.getModel(); model.setBuild(new Build()); Plugin plugin = new Plugin(); plugin.setGroupId("org.opendaylight.yangtools"); plugin.setArtifactId("yang-maven-plugin"); plugin.setVersion(yangVersion); for (CodeGeneratorConfig genConf : generators) { Dependency dependency = new Dependency(); dependency.setGroupId(genConf.getGroupId()); dependency.setArtifactId(genConf.getArtifactId()); dependency.setVersion(genConf.getVersion()); dependency.setType("jar"); plugin.addDependency(dependency); } PluginExecution pluginExecution = new PluginExecution(); pluginExecution.setId("generate-sources"); pluginExecution.addGoal("generate-sources"); Xpp3Dom config = new Xpp3Dom("configuration"); Xpp3Dom codeGenerators = new Xpp3Dom("codeGenerators"); for (CodeGeneratorConfig genConf : generators) { Xpp3Dom generator = new Xpp3Dom("generator"); generator.addChild(createSingleParameter("codeGeneratorClass", genConf.getGenClassName())); generator.addChild(createSingleParameter("outputBaseDir", genConf.getGenOutputDirectory())); codeGenerators.addChild(generator); } config.addChild(createSingleParameter("yangFilesRootDir", yangRoot)); config.addChild(codeGenerators); config.addChild(createSingleParameter("inspectDependencies", "false")); pluginExecution.setConfiguration(config); plugin.addExecution(pluginExecution); model.getBuild().addPlugin(plugin); model.addPluginRepository(createRepoParameter("opendaylight-release", "http://nexus.opendaylight.org/content/repositories/opendaylight.release/")); model.addPluginRepository(createRepoParameter("opendaylight-snapshot", "http://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/")); model.addRepository(createRepoParameter("opendaylight-release", "http://nexus.opendaylight.org/content/repositories/opendaylight.release/")); model.addRepository(createRepoParameter("opendaylight-snapshot", "http://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/")); model.getProperties().put("maven.compiler.source", "1.7"); model.getProperties().put("maven.compiler.target", "1.7"); Dependency dependency2 = new Dependency(); dependency2.setGroupId("org.opendaylight.yangtools"); dependency2.setArtifactId("yang-binding"); dependency2.setVersion(yangVersion); dependency2.setType("jar"); model.addDependency(dependency2); } /** * Creates single configuration parameter. * * @param name name * @param value value * @return config parameter */ private Xpp3Dom createSingleParameter(String name, String value) { Xpp3Dom parameter = new Xpp3Dom(name); parameter.setValue(value); return parameter; } /** * @param name name * @param url url * @return repository configuration by name and url */ private Repository createRepoParameter(String name, String url) { Repository r = new Repository(); r.setId(name); r.setName(name); r.setUrl(url); return r; } }