Java tutorial
/******************************************************************************* * Copyright (c) 2010, 2011 IBM Corporation 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 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.jst.j2ee.web.project.facet; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.util.regex.Pattern; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.internal.resources.XMLWriter; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IFile; 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.Path; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jem.util.emf.workbench.WorkbenchByteArrayOutputStream; import org.eclipse.jst.common.project.facet.WtpUtils; import org.eclipse.jst.common.project.facet.core.ClasspathHelper; import org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent; import org.eclipse.jst.j2ee.internal.J2EEConstants; import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; import org.eclipse.jst.j2ee.internal.project.ManifestFileCreationAction; import org.eclipse.jst.j2ee.internal.web.plugin.WebPlugin; import org.eclipse.jst.j2ee.project.facet.IJ2EEFacetConstants; import org.eclipse.wst.common.componentcore.ComponentCore; import org.eclipse.wst.common.componentcore.datamodel.FacetDataModelProvider; import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; import org.eclipse.wst.common.componentcore.resources.IVirtualFolder; import org.eclipse.wst.common.frameworks.datamodel.IDataModel; import org.eclipse.wst.common.frameworks.datamodel.IDataModelOperation; import org.eclipse.wst.common.project.facet.core.IDelegate; import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion; public class WebFragmentFacetInstallDelegate implements IDelegate { public void execute(IProject project, IProjectFacetVersion fv, Object config, IProgressMonitor monitor) throws CoreException { if (monitor != null) monitor.beginTask("", 1); //$NON-NLS-1$ try { IDataModel model = (IDataModel) config; WtpUtils.addNatures(project); final IVirtualComponent c = ComponentCore.createComponent(project, false); c.create(0, null); final IVirtualFolder jsrc = c.getRootFolder(); final IJavaProject jproj = JavaCore.create(project); final IClasspathEntry[] cp = jproj.getRawClasspath(); IPath firstPath = null; for (int i = 0; i < cp.length; i++) { final IClasspathEntry cpe = cp[i]; if (cpe.getEntryKind() == IClasspathEntry.CPE_SOURCE) { IPath path = cpe.getPath().removeFirstSegments(1); if (path.isEmpty()) { path = new Path("/"); //$NON-NLS-1$ } jsrc.createLink(path, 0, null); if (firstPath == null) { firstPath = path; } } } J2EEModuleVirtualComponent.setDefaultDeploymentDescriptorFolder(jsrc, firstPath, null); final IVirtualFolder root = c.getRootFolder(); IContainer container = null; if (root.getProjectRelativePath().segmentCount() == 0) { container = project; } else { container = root.getUnderlyingFolder(); } try { if (container != null) { createWebFragmentFile(project, fv, container, monitor); createManifest(project, container, monitor); } } catch (InvocationTargetException e) { J2EEPlugin.logError(e); } catch (InterruptedException e) { J2EEPlugin.logError(e); } ClasspathHelper.removeClasspathEntries(project, fv); if (!ClasspathHelper.addClasspathEntries(project, fv)) { // TODO: Support the no runtime case. // ClasspathHelper.addClasspathEntries( project, fv, <something> ); } try { ((IDataModelOperation) model.getProperty(FacetDataModelProvider.NOTIFICATION_OPERATION)) .execute(monitor, null); } catch (ExecutionException e) { WebPlugin.logError(e); } } finally { if (monitor != null) monitor.done(); } } protected void createWebFragmentFile(IProject project, IProjectFacetVersion fv, IContainer aFolder, IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException { IFile file = aFolder.getFile(new Path(J2EEConstants.WEBFRAGMENT_DD_URI)); if (file.exists()) return; try { createWebFragmentFile(file, project, fv); } catch (CoreException e) { J2EEPlugin.logError(e); } catch (IOException e) { J2EEPlugin.logError(e); } } public static void createWebFragmentFile(IFile file, IProject project, IProjectFacetVersion fv) throws CoreException, IOException { try { WorkbenchByteArrayOutputStream out = new WorkbenchByteArrayOutputStream(file); String projectNamewithoutSpecialChars = getNameWithoutSpecialCharacters(project.getName()); final String webFragXmlContents; if (fv == IJ2EEFacetConstants.WEBFRAGMENT_31) { webFragXmlContents = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<web-fragment id=\"WebFragment_ID\" version=\"3.1\" xmlns=\"http://xmlns.jcp.org/xml/ns/javaee\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-fragment_3_1.xsd\">\n<display-name>" //$NON-NLS-1$ + XMLWriter.getEscaped(project.getName()) + "</display-name> \n <name>" //$NON-NLS-1$ + XMLWriter.getEscaped(projectNamewithoutSpecialChars) + "</name> \n </web-fragment>"; //$NON-NLS-1$ } else { webFragXmlContents = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<web-fragment id=\"WebFragment_ID\" version=\"3.0\" xmlns=\"http://java.sun.com/xml/ns/javaee\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-fragment_3_0.xsd\">\n<display-name>" //$NON-NLS-1$ + XMLWriter.getEscaped(project.getName()) + "</display-name> \n <name>" //$NON-NLS-1$ + XMLWriter.getEscaped(projectNamewithoutSpecialChars) + "</name> \n </web-fragment>"; //$NON-NLS-1$ } out.write(webFragXmlContents.getBytes("UTF-8")); //$NON-NLS-1$ out.close(); } catch (IOException ioe) { throw ioe; } } protected void createManifest(IProject project, IContainer aFolder, IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException { IFile file = aFolder.getFile(new Path(J2EEConstants.MANIFEST_URI)); if (file.exists()) return; try { ManifestFileCreationAction.createManifestFile(file, project); } catch (CoreException e) { J2EEPlugin.logError(e); } catch (IOException e) { J2EEPlugin.logError(e); } } private static String getNameWithoutSpecialCharacters(String projectName) { String result = projectName; Pattern p = Pattern.compile("($|_|\\p{L})(\\p{L}|\\p{Nd}|_|$)*"); //$NON-NLS-1$ for (int curLength = 1; curLength <= result.length(); curLength++) { if (p.matcher(result.substring(0, curLength)).matches() == false) { result = result.replace(result.charAt(curLength - 1 < 0 ? curLength : curLength - 1), '_'); } } return result; } }