| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jdt.ui.actions; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.actions.ActionMessages; |
| import org.eclipse.jdt.internal.ui.actions.WorkbenchRunnableAdapter; |
| import org.eclipse.jdt.internal.ui.util.ExceptionHandler; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.ArchiveFileFilter; |
| |
| /** |
| * Action to add a JAR to the classpath of its parent project. |
| * Action is applicable to selections containing archives (JAR or zip) |
| * |
| * <p> |
| * This class may be instantiated; it is not intended to be subclassed. |
| * </p> |
| * |
| * @since 2.1 |
| */ |
| public class AddToClasspathAction extends SelectionDispatchAction { |
| |
| /** |
| * Creates a new <code>AddToClasspathAction</code>. The action requires that |
| * the selection provided by the site's selection provider is of type <code> |
| * org.eclipse.jface.viewers.IStructuredSelection</code>. |
| * |
| * @param site the site providing context information for this action |
| */ |
| public AddToClasspathAction(IWorkbenchSite site) { |
| super(site); |
| setText(ActionMessages.AddToClasspathAction_label); |
| setToolTipText(ActionMessages.AddToClasspathAction_toolTip); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.ADD_TO_CLASSPATH_ACTION); |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in SelectionDispatchAction |
| */ |
| public void selectionChanged(IStructuredSelection selection) { |
| try { |
| setEnabled(checkEnabled(selection)); |
| } catch (JavaModelException e) { |
| // http://bugs.eclipse.org/bugs/show_bug.cgi?id=19253 |
| if (JavaModelUtil.isExceptionToBeLogged(e)) |
| JavaPlugin.log(e); |
| setEnabled(false); |
| } |
| } |
| |
| private static boolean checkEnabled(IStructuredSelection selection) throws JavaModelException { |
| if (selection.isEmpty()) |
| return false; |
| for (Iterator iter= selection.iterator(); iter.hasNext();) { |
| if (! canBeAddedToBuildPath(iter.next())) |
| return false; |
| } |
| return true; |
| } |
| |
| private static boolean canBeAddedToBuildPath(Object element) throws JavaModelException{ |
| return (element instanceof IAdaptable) && getCandidate((IAdaptable) element) != null; |
| } |
| |
| private static IFile getCandidate(IAdaptable element) throws JavaModelException { |
| IResource resource= (IResource)element.getAdapter(IResource.class); |
| if (! (resource instanceof IFile) || ! ArchiveFileFilter.isArchivePath(resource.getFullPath())) |
| return null; |
| |
| IJavaProject project= JavaCore.create(resource.getProject()); |
| if (project != null && project.exists() && (project.findPackageFragmentRoot(resource.getFullPath()) == null)) |
| return (IFile) resource; |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * Method declared in SelectionDispatchAction |
| */ |
| public void run(IStructuredSelection selection) { |
| try { |
| final IFile[] files= getJARFiles(selection); |
| |
| IWorkspaceRunnable operation= new IWorkspaceRunnable() { |
| public void run(IProgressMonitor monitor) throws CoreException { |
| monitor.beginTask(ActionMessages.AddToClasspathAction_progressMessage, files.length); |
| for (int i= 0; i < files.length; i++) { |
| monitor.subTask(files[i].getFullPath().toString()); |
| IJavaProject project= JavaCore.create(files[i].getProject()); |
| addToClassPath(project, files[i].getFullPath(), new SubProgressMonitor(monitor, 1)); |
| } |
| } |
| |
| private void addToClassPath(IJavaProject project, IPath jarPath, IProgressMonitor monitor) throws JavaModelException { |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| IClasspathEntry[] entries= project.getRawClasspath(); |
| IClasspathEntry[] newEntries= new IClasspathEntry[entries.length + 1]; |
| System.arraycopy(entries, 0, newEntries, 0, entries.length); |
| newEntries[entries.length]= JavaCore.newLibraryEntry(jarPath, null, null, false); |
| project.setRawClasspath(newEntries, monitor); |
| } |
| }; |
| |
| PlatformUI.getWorkbench().getActiveWorkbenchWindow().run(true, true, new WorkbenchRunnableAdapter(operation)); |
| } catch (InvocationTargetException e) { |
| ExceptionHandler.handle(e, getShell(), |
| ActionMessages.AddToClasspathAction_error_title, |
| ActionMessages.AddToClasspathAction_error_message); |
| } catch (JavaModelException e) { |
| ExceptionHandler.handle(e, getShell(), |
| ActionMessages.AddToClasspathAction_error_title, |
| ActionMessages.AddToClasspathAction_error_message); |
| } catch (InterruptedException e) { |
| // canceled |
| } |
| |
| } |
| |
| private static IFile[] getJARFiles(IStructuredSelection selection) throws JavaModelException { |
| ArrayList list= new ArrayList(); |
| for (Iterator iter= selection.iterator(); iter.hasNext();) { |
| Object element= iter.next(); |
| if (element instanceof IAdaptable) { |
| IFile file= getCandidate((IAdaptable) element); |
| if (file != null) { |
| list.add(file); |
| } |
| } |
| } |
| return (IFile[]) list.toArray(new IFile[list.size()]); |
| } |
| } |
| |