| /******************************************************************************* |
| * 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.core.filebuffers.manipulation; |
| |
| import org.eclipse.core.internal.filebuffers.FileBuffersPlugin; |
| import org.eclipse.core.internal.filebuffers.NLSUtility; |
| |
| 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.OperationCanceledException; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.SubMonitor; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.IWorkspaceRunnable; |
| |
| |
| /** |
| * Helper class to create a container and all missing |
| * parent containers. |
| * |
| * @since 3.1 |
| */ |
| public class ContainerCreator { |
| |
| private IPath fContainerFullPath; |
| private IContainer fContainer; |
| private IWorkspace fWorkspace; |
| |
| /** |
| * Constructs a container creator for the given path |
| * in the given workspace. |
| * |
| * @param workspace the workspace in which to create the container |
| * @param fullPath the full path of the container, must not denote a file |
| */ |
| public ContainerCreator(IWorkspace workspace, IPath fullPath) { |
| fWorkspace= workspace; |
| fContainerFullPath = fullPath; |
| } |
| |
| |
| /** |
| * Creates this container. |
| * |
| * @param progressMonitor the progress monitor or <code>null</code> if none |
| * @return the container specified by this container creator's full path |
| * @throws CoreException if this container creator's full path denotes a file or creating |
| * either the project or folders for the given container fails |
| */ |
| public IContainer createContainer(IProgressMonitor progressMonitor) throws CoreException { |
| IWorkspaceRunnable runnable= new IWorkspaceRunnable() { |
| @Override |
| public void run(IProgressMonitor monitor) throws CoreException { |
| SubMonitor subMonitor = SubMonitor.convert(monitor, FileBuffersMessages.ContainerCreator_task_creatingContainer, fContainerFullPath.segmentCount()); |
| if (fContainer != null) |
| return; |
| |
| // Does the container exist already? |
| IWorkspaceRoot root= fWorkspace.getRoot(); |
| IResource found= root.findMember(fContainerFullPath); |
| if (found instanceof IContainer) { |
| fContainer= (IContainer) found; |
| return; |
| } else if (found != null) { |
| // fContainerFullPath specifies a file as directory |
| throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, NLSUtility.format(FileBuffersMessages.ContainerCreator_destinationMustBeAContainer, fContainerFullPath), null)); |
| } |
| |
| // Create the containers for the given path |
| fContainer= root; |
| for (int i = 0; i < fContainerFullPath.segmentCount(); i++) { |
| String currentSegment = fContainerFullPath.segment(i); |
| IResource resource = fContainer.findMember(currentSegment); |
| if (resource != null) { |
| if (resource instanceof IContainer) { |
| fContainer= (IContainer) resource; |
| subMonitor.step(1); |
| } else { |
| // fContainerFullPath specifies a file as directory |
| throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, NLSUtility.format(FileBuffersMessages.ContainerCreator_destinationMustBeAContainer, resource.getFullPath()), null)); |
| } |
| } |
| else { |
| if (i == 0) { |
| IProject projectHandle= createProjectHandle(root, currentSegment); |
| fContainer= createProject(projectHandle, subMonitor.split(1)); |
| } |
| else { |
| IFolder folderHandle= createFolderHandle(fContainer, currentSegment); |
| fContainer= createFolder(folderHandle, subMonitor.split(1)); |
| } |
| } |
| } |
| } |
| }; |
| |
| // Get scheduling rule |
| IWorkspaceRoot root= fWorkspace.getRoot(); |
| IPath existingParentPath= fContainerFullPath; |
| while (!root.exists(existingParentPath)) |
| existingParentPath= existingParentPath.removeLastSegments(1); |
| |
| IResource schedulingRule= root.findMember(existingParentPath); |
| fWorkspace.run(runnable, schedulingRule, IWorkspace.AVOID_UPDATE, progressMonitor); |
| return fContainer; |
| } |
| |
| private IFolder createFolder(IFolder folderHandle, IProgressMonitor monitor) throws CoreException { |
| folderHandle.create(false, true, monitor); |
| if (monitor.isCanceled()) |
| throw new OperationCanceledException(); |
| return folderHandle; |
| } |
| |
| private IFolder createFolderHandle(IContainer container, String folderName) { |
| return container.getFolder(new Path(folderName)); |
| } |
| |
| private IProject createProject(IProject projectHandle, IProgressMonitor monitor) throws CoreException { |
| SubMonitor subMonitor= SubMonitor.convert(monitor, 2); |
| projectHandle.create(subMonitor.split(1)); |
| projectHandle.open(subMonitor.split(1)); |
| return projectHandle; |
| } |
| |
| private IProject createProjectHandle(IWorkspaceRoot root, String projectName) { |
| return root.getProject(projectName); |
| } |
| } |