| /******************************************************************************* |
| * Copyright (c) 2006, 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.subscribers; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.team.core.diff.DiffFilter; |
| import org.eclipse.team.core.diff.IDiff; |
| import org.eclipse.team.core.history.IFileRevision; |
| import org.eclipse.team.core.mapping.provider.ResourceDiffTree; |
| import org.eclipse.team.internal.core.mapping.SyncInfoToDiffConverter; |
| |
| public class ContentComparisonDiffFilter extends DiffFilter { |
| ContentComparator criteria = new ContentComparator(false); |
| |
| /** |
| * Create a filter that does not ignore whitespace. |
| */ |
| public ContentComparisonDiffFilter() { |
| this(false); |
| } |
| /** |
| * Create a filter and configure how whitespace is handled. |
| * @param ignoreWhitespace whether whitespace should be ignored |
| */ |
| public ContentComparisonDiffFilter(boolean ignoreWhitespace) { |
| criteria = new ContentComparator(ignoreWhitespace); |
| } |
| |
| /** |
| * Compare the contents of the local file and its variant. |
| * This is used by the <code>select</code> method to compare the |
| * contents of two non-null files. |
| * @param local a local file |
| * @param remote a resource variant of the file |
| * @param monitor a progress monitor |
| * @return whether the contents of the two files are equal |
| */ |
| public boolean compareContents(IFile local, IFileRevision remote, IProgressMonitor monitor) { |
| Assert.isNotNull(local); |
| Assert.isNotNull(remote); |
| return criteria.compare(local, remote, monitor); |
| } |
| |
| @Override |
| public boolean select(IDiff diff, IProgressMonitor monitor) { |
| IFileRevision remote = SyncInfoToDiffConverter.getRemote(diff); |
| IResource local = ResourceDiffTree.getResourceFor(diff); |
| if (local == null) return true; |
| if (local.getType() != IResource.FILE) return false; |
| if (remote == null) return !local.exists(); |
| if (!local.exists()) return false; |
| return compareContents((IFile)local, remote, monitor); |
| } |
| } |