diff options
Diffstat (limited to 'bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/ContentComparator.java')
-rw-r--r-- | bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/ContentComparator.java | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/ContentComparator.java b/bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/ContentComparator.java deleted file mode 100644 index 3d81751e0..000000000 --- a/bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/ContentComparator.java +++ /dev/null @@ -1,140 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.team.internal.core.subscribers; - -import java.io.*; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.runtime.*; -import org.eclipse.team.core.TeamException; -import org.eclipse.team.core.subscribers.ISubscriberResource; -import org.eclipse.team.internal.core.Policy; -import org.eclipse.team.internal.core.TeamPlugin; - -/** - * This is an internal class that is usd by the <code>ContentComparisonSyncInfoFilter</code> - * to compare the comtents of the local and remote resources - */ -public class ContentComparator { - - private boolean ignoreWhitespace = false; - - public ContentComparator(boolean ignoreWhitespace) { - this.ignoreWhitespace = ignoreWhitespace; - } - - public boolean compare(Object e1, Object e2, IProgressMonitor monitor) { - InputStream is1 = null; - InputStream is2 = null; - try { - is1 = getContents(e1, Policy.subMonitorFor(monitor, 50)); - is2 = getContents(e2, Policy.subMonitorFor(monitor, 50)); - return contentsEqual(is1, is2, shouldIgnoreWhitespace()); - } catch(TeamException e) { - TeamPlugin.log(e); - return false; - } finally { - try { - try { - if (is1 != null) { - is1.close(); - } - } finally { - if (is2 != null) { - is2.close(); - } - } - } catch (IOException e) { - // Ignore - } - } - } - - protected boolean shouldIgnoreWhitespace() { - return ignoreWhitespace; - } - - /** - * Returns <code>true</code> if both input streams byte contents is - * identical. - * - * @param input1 - * first input to contents compare - * @param input2 - * second input to contents compare - * @return <code>true</code> if content is equal - */ - private boolean contentsEqual(InputStream is1, InputStream is2, boolean ignoreWhitespace) { - try { - if (is1 == is2) - return true; - - if (is1 == null && is2 == null) // no byte contents - return true; - - if (is1 == null || is2 == null) // only one has - // contents - return false; - - while (true) { - int c1 = is1.read(); - while (shouldIgnoreWhitespace() && isWhitespace(c1)) - c1 = is1.read(); - int c2 = is2.read(); - while (shouldIgnoreWhitespace() && isWhitespace(c2)) - c2 = is2.read(); - if (c1 == -1 && c2 == -1) - return true; - if (c1 != c2) - break; - - } - } catch (IOException ex) { - } finally { - try { - try { - if (is1 != null) { - is1.close(); - } - } finally { - if (is2 != null) { - is2.close(); - } - } - } catch (IOException e) { - // Ignore - } - } - return false; - } - - private boolean isWhitespace(int c) { - if (c == -1) - return false; - return Character.isWhitespace((char) c); - } - - private InputStream getContents(Object resource, IProgressMonitor monitor) throws TeamException { - try { - if (resource instanceof IFile) { - return new BufferedInputStream(((IFile) resource).getContents()); - } else if(resource instanceof ISubscriberResource) { - ISubscriberResource remote = (ISubscriberResource)resource; - if (!remote.isContainer()) { - return new BufferedInputStream(remote.getStorage(monitor).getContents()); - } - } - return null; - } catch (CoreException e) { - throw TeamException.asTeamException(e); - } - } -} |