| /******************************************************************************* |
| * 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.compare; |
| |
| import java.io.InputStream; |
| import java.io.BufferedInputStream; |
| |
| import org.eclipse.swt.graphics.Image; |
| |
| import org.eclipse.core.resources.IFileState; |
| import org.eclipse.core.runtime.CoreException; |
| |
| /** |
| * A combination <code>IFileState</code> and <code>ITypedElement</code> that can be used as |
| * an input to a compare viewer or other places where an <code>IStreamContentAccessor</code> |
| * is needed. |
| * <p> |
| * <p> |
| * Clients may instantiate this class; it is not intended to be subclassed. |
| * </p> |
| */ |
| public class HistoryItem implements IStreamContentAccessor, ITypedElement, IModificationDate { |
| |
| private ITypedElement fBase; |
| private IFileState fFileState; |
| |
| /** |
| * Creates a <code>HistoryItem</code> object which combines the given <code>IFileState</code> |
| * and <code>ITypedElement</code> into an object |
| * which is suitable as input for a compare viewer or <code>ReplaceWithEditionDialog</code>. |
| * |
| * @param base the implementation of the <code>ITypedElement</code> interface delegates to this base <code>ITypedElement</code> |
| * @param fileState the <code>IFileState</code> from which the streamable contents and the modification time is derived from |
| */ |
| public HistoryItem(ITypedElement base, IFileState fileState) { |
| fBase= base; |
| fFileState= fileState; |
| } |
| |
| /* (non-Javadoc) |
| * see ITypedElement.getName |
| */ |
| public String getName() { |
| return fBase.getName(); |
| } |
| |
| /* (non-Javadoc) |
| * see ITypedElement.getImage |
| */ |
| public Image getImage() { |
| return fBase.getImage(); |
| } |
| |
| /* (non-Javadoc) |
| * see ITypedElement.getType |
| */ |
| public String getType() { |
| return fBase.getType(); |
| } |
| |
| /* (non-Javadoc) |
| * see IModificationDate.getModificationDate |
| */ |
| public long getModificationDate() { |
| return fFileState.getModificationTime(); |
| } |
| |
| /* (non-Javadoc) |
| * see IStreamContentAccessor.getContents |
| */ |
| public InputStream getContents() throws CoreException { |
| return new BufferedInputStream(fFileState.getContents()); |
| } |
| } |
| |