Java tutorial
/******************************************************************************* * Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is 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: * Exadel, Inc. and Red Hat, Inc. - initial API and implementation ******************************************************************************/ package org.jboss.tools.common.model.handlers; import java.io.*; import java.text.MessageFormat; import java.util.*; import org.eclipse.core.resources.*; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.NullProgressMonitor; import org.jboss.tools.common.model.markers.ResourceMarkers; import org.eclipse.jdt.core.*; import org.jboss.tools.common.meta.action.SignificanceMessageFactory; import org.jboss.tools.common.meta.action.SpecialWizard; import org.jboss.tools.common.meta.action.XAction; import org.jboss.tools.common.meta.action.XActionInvoker; import org.jboss.tools.common.meta.action.impl.AbstractHandler; import org.jboss.tools.common.meta.action.impl.XActionImpl; import org.jboss.tools.common.model.*; import org.jboss.tools.common.model.filesystems.FileSystemsHelper; import org.jboss.tools.common.model.project.IModelNature; import org.jboss.tools.common.model.project.ModelNatureExtension; import org.jboss.tools.common.model.util.EclipseResourceUtil; import org.jboss.tools.common.util.FileUtil; public class RemoveModelNatureHandler extends AbstractHandler { public static String PARAM_CONTRIBUTION = "contribution"; //$NON-NLS-1$ public boolean isEnabled(XModelObject object) { if (object == null) return false; String nature = getNatureDisplayName(object); if (nature == null) return false; XActionImpl i = (XActionImpl) action; i.setDisplayName(MessageFormat.format("Remove {0} Capabilities", nature)); return true; } private String getNatureDisplayName(XModelObject object) { IProject p = EclipseResourceUtil.getProject(object); ModelNatureExtension[] es = ModelNatureExtension.getInstances(); for (ModelNatureExtension ext : es) { String name = ext.getName(); if (p != null && p.isAccessible()) try { if (p.hasNature(name)) { return ext.getDisplayName(); } } catch (CoreException e) { } } return null; } private String getNature(XModelObject object) { IProject p = EclipseResourceUtil.getProject(object); ModelNatureExtension[] es = ModelNatureExtension.getInstances(); for (ModelNatureExtension ext : es) { String name = ext.getName(); if (p != null && p.isAccessible()) try { if (p.hasNature(name)) { return ext.getName(); } } catch (CoreException e) { } } return null; } public void executeHandler(XModelObject object, Properties p) throws XModelException { IProject project = EclipseResourceUtil.getProject(object); String nature = (p == null) ? null : p.getProperty("nature"); //$NON-NLS-1$ if (nature == null) nature = getNature(object); if (project == null || nature == null) return; boolean unregisterWTP = false; ServiceDialog dialog = object.getModel().getService(); Properties pd = new Properties(); String message = MessageFormat.format("Remove {0} Capabilities from project {1}?", getNatureDisplayName(object), project.getName()); //SignificanceMessageFactory.getInstance().getMessage(action, object, null) + "?"; pd.setProperty(ServiceDialog.DIALOG_MESSAGE, message); String checkBoxMessage = "Remove Dynamic Web Project Capabilities"; pd.setProperty(ServiceDialog.CHECKBOX_MESSAGE, checkBoxMessage); pd.put(ServiceDialog.CHECKED, Boolean.FALSE); if (!dialog.openConfirm(pd)) return; SpecialWizard contribution = p == null ? null : (SpecialWizard) p.get(PARAM_CONTRIBUTION); if (contribution != null) { contribution.setObject(object.getModel()); contribution.execute(); } Boolean b = (Boolean) pd.get(ServiceDialog.CHECKED); unregisterWTP = b.booleanValue(); try { IProjectDescription d = project.getDescription(); String[] ns = d.getNatureIds(); String[] ns2 = removeNature(ns, nature); if (unregisterWTP) ns2 = new String[] { JavaCore.NATURE_ID }; if (ns.length == ns2.length) return; if (unregisterWTP) { unregisterFromServer(object); clearClassPath(project); } d.setNatureIds(ns2); project.setDescription(d, IResource.FORCE, null); if (EclipseResourceUtil.getModelNature(project) != null) return; String projectLocation = project.getLocation().toString(); removeFiles(projectLocation, XModelConstants.getWorkspace(object.getModel())); if (unregisterWTP) { File f = new File(projectLocation + "/.settings"); //$NON-NLS-1$ if (f.isDirectory()) FileUtil.remove(f); } clear(object.getModel().getByPath("FileSystems/WEB-INF")); //$NON-NLS-1$ project.refreshLocal(IResource.DEPTH_INFINITE, null); } catch (CoreException e) { throw new XModelException(e); } } private void removeFiles(String location, String workspace) { File f = new File(location + XModelObjectConstants.SEPARATOR + IModelNature.PROJECT_FILE); if (f.exists()) f.delete(); } public boolean getSignificantFlag(XModelObject object) { return false; } public String[] removeNature(String[] natures, String nature) { ArrayList<String> l = new ArrayList<String>(); for (int i = 0; i < natures.length; i++) if (!natures[i].equals(nature)) l.add(natures[i]); return l.toArray(new String[0]); } ///MarkerClearer public static void clear(XModelObject o) { if (o == null || o.getFileType() == XModelObject.NONE) return; if (o.getFileType() == XModelObject.FILE) { ResourceMarkers markers = new ResourceMarkers(ResourceMarkers.JST_WEB_PROBLEM, ResourceMarkers.OLD_JST_WEB_PROBLEM); markers.setModelObject(o); markers.update(); } else { XModelObject[] os = o.getChildren(); for (int i = 0; i < os.length; i++) clear(os[i]); } } // Remove Dynamic Web Project Capabilities void clearClassPath(IProject project) throws XModelException { IJavaProject javaProject = JavaCore.create(project); ArrayList<IClasspathEntry> newClassPath = new ArrayList<IClasspathEntry>(getRawClassPath(javaProject)); Iterator<IClasspathEntry> iterator = newClassPath.iterator(); while (iterator.hasNext()) { IClasspathEntry entry = iterator.next(); if (entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) { if (entry.getPath().toString().indexOf(".jst.") >= 0) { //$NON-NLS-1$ iterator.remove(); continue; } } if (project.getFullPath().equals(entry.getPath())) iterator.remove(); } IClasspathEntry[] entries = newClassPath.toArray(new IClasspathEntry[newClassPath.size()]); if (entries.length != 0) { try { javaProject.setRawClasspath(entries, new NullProgressMonitor()); } catch (JavaModelException e) { throw new XModelException(e); } } } private List<IClasspathEntry> getRawClassPath(IJavaProject javaProject) throws XModelException { try { return Arrays.asList(javaProject.getRawClasspath()); } catch (JavaModelException e) { throw new XModelException(e); } } void unregisterFromServer(XModelObject object) { XModelObject fs = FileSystemsHelper.getFileSystems(object.getModel()); XAction action = XActionInvoker.getAction("Registration.UnregisterInServerXML", fs); //$NON-NLS-1$ if (action != null) { Properties runningProperties = new Properties(); runningProperties.setProperty("unregisterFromAllServers", XModelObjectConstants.TRUE); //$NON-NLS-1$ runningProperties.setProperty("showResult", XModelObjectConstants.FALSE); //$NON-NLS-1$ XActionInvoker.invoke("Registration.UnregisterInServerXML", fs, runningProperties); //$NON-NLS-1$ } } }