| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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.team.internal.core; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.team.FileModificationValidationContext; |
| import org.eclipse.core.resources.team.FileModificationValidator; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.team.core.ITeamStatus; |
| import org.eclipse.team.core.TeamStatus; |
| |
| public class DefaultFileModificationValidator extends FileModificationValidator { |
| |
| /* |
| * A validator plugged in the the Team UI that will prompt |
| * the user to make read-only files writable. In the absence of |
| * this validator, edit/save fail on read-only files. |
| */ |
| private FileModificationValidator uiValidator; |
| |
| protected IStatus getDefaultStatus(IFile file) { |
| return |
| file.isReadOnly() |
| ? new TeamStatus(IStatus.ERROR, TeamPlugin.ID, ITeamStatus.READ_ONLY_LOCAL, NLS.bind(Messages.FileModificationValidator_fileIsReadOnly, new String[] { file.getFullPath().toString() }), null, file) |
| : Status.OK_STATUS; |
| } |
| |
| @Override |
| public IStatus validateEdit(IFile[] files, FileModificationValidationContext context) { |
| IFile[] readOnlyFiles = getReadOnly(files); |
| if (readOnlyFiles.length == 0) |
| return Status.OK_STATUS; |
| synchronized (this) { |
| if (uiValidator == null) |
| uiValidator = loadUIValidator(); |
| } |
| if (uiValidator != null) { |
| return uiValidator.validateEdit(files, context); |
| } |
| // There was no plugged in validator so fail gracefully |
| return getStatus(files); |
| } |
| |
| protected IStatus getStatus(IFile[] files) { |
| if (files.length == 1) { |
| return getDefaultStatus(files[0]); |
| } |
| |
| IStatus[] stati = new Status[files.length]; |
| boolean allOK = true; |
| |
| for (int i = 0; i < files.length; i++) { |
| stati[i] = getDefaultStatus(files[i]); |
| if(! stati[i].isOK()) |
| allOK = false; |
| } |
| |
| return new MultiStatus(TeamPlugin.ID, |
| 0, stati, |
| allOK |
| ? Messages.ok |
| : Messages.FileModificationValidator_someReadOnly, |
| null); |
| } |
| |
| private IFile[] getReadOnly(IFile[] files) { |
| List<IFile> result = new ArrayList<>(files.length); |
| for (int i = 0; i < files.length; i++) { |
| IFile file = files[i]; |
| if (file.isReadOnly()) { |
| result.add(file); |
| } |
| } |
| return result.toArray(new IFile[result.size()]); |
| } |
| |
| @Override |
| public IStatus validateSave(IFile file) { |
| if (!file.isReadOnly()) |
| return Status.OK_STATUS; |
| synchronized (this) { |
| if (uiValidator == null) |
| uiValidator = loadUIValidator(); |
| } |
| if (uiValidator != null) { |
| return uiValidator.validateSave(file); |
| } |
| return getDefaultStatus(file); |
| } |
| |
| private FileModificationValidator loadUIValidator() { |
| IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(TeamPlugin.ID, TeamPlugin.DEFAULT_FILE_MODIFICATION_VALIDATOR_EXTENSION); |
| if (extension != null) { |
| IExtension[] extensions = extension.getExtensions(); |
| if (extensions.length > 0) { |
| IConfigurationElement[] configElements = extensions[0].getConfigurationElements(); |
| if (configElements.length > 0) { |
| try { |
| Object o = configElements[0].createExecutableExtension("class"); //$NON-NLS-1$ |
| if (o instanceof FileModificationValidator) { |
| return (FileModificationValidator)o; |
| } |
| } catch (CoreException e) { |
| TeamPlugin.log(e); |
| } |
| } |
| } |
| } |
| return null; |
| } |
| } |