| /******************************************************************************* |
| * Copyright (c) 2006, 2011 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.compare.internal.patch; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.io.UnsupportedEncodingException; |
| import java.util.List; |
| |
| import org.eclipse.compare.CompareUI; |
| import org.eclipse.compare.IEncodedStreamContentAccessor; |
| import org.eclipse.compare.ITypedElement; |
| import org.eclipse.compare.internal.CompareUIPlugin; |
| import org.eclipse.compare.internal.core.patch.DiffProject; |
| import org.eclipse.compare.internal.core.patch.FileDiffResult; |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jface.resource.LocalResourceManager; |
| import org.eclipse.swt.graphics.Image; |
| |
| public class PatchFileTypedElement implements ITypedElement, |
| IEncodedStreamContentAccessor { |
| |
| private final FileDiffResult result; |
| private final boolean isAfterState; |
| |
| public PatchFileTypedElement(FileDiffResult result, boolean isAfterState) { |
| this.result = result; |
| this.isAfterState = isAfterState; |
| } |
| |
| @Override |
| public Image getImage() { |
| IFile file = getPatcher().getTargetFile(result.getDiff()); |
| if (file == null) { |
| // We don't get a target file if the file doesn't exist |
| DiffProject project = result.getDiff().getProject(); |
| if (project != null) { |
| file = Utilities.getProject(project).getFile( |
| result.getDiff().getPath( |
| result.getConfiguration().isReversed())); |
| } else { |
| IResource target = getPatcher().getTarget(); |
| if (target instanceof IFile) { |
| file = (IFile) target; |
| } else if (target instanceof IContainer) { |
| IContainer container = (IContainer) target; |
| file = container.getFile(result.getTargetPath()); |
| } |
| } |
| } |
| Image image = null; |
| if (file != null) { |
| image = CompareUI.getImage(file); |
| } |
| if (result.containsProblems()) { |
| LocalResourceManager imageCache = PatchCompareEditorInput |
| .getImageCache(result.getConfiguration()); |
| image = HunkTypedElement.getHunkErrorImage(image, imageCache, true); |
| } |
| return image; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.compare.ITypedElement#getName() |
| */ |
| @Override |
| public String getName() { |
| return result.getTargetPath().toString(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.compare.ITypedElement#getType() |
| */ |
| @Override |
| public String getType() { |
| return result.getTargetPath().getFileExtension(); |
| } |
| |
| @Override |
| public String getCharset() throws CoreException { |
| return result.getCharset(); |
| } |
| |
| @Override |
| public InputStream getContents() throws CoreException { |
| // If there are cached contents, use them |
| if (isAfterState && getPatcher().hasCachedContents(result.getDiff())) |
| return new ByteArrayInputStream(getPatcher().getCachedContents( |
| result.getDiff())); |
| // Otherwise, get the lines from the diff result |
| List lines; |
| if (isAfterState) { |
| lines = result.getAfterLines(); |
| } else { |
| lines = result.getBeforeLines(); |
| } |
| String contents = LineReader.createString(getPatcher() |
| .isPreserveLineDelimeters(), lines); |
| String charSet = getCharset(); |
| byte[] bytes = null; |
| if (charSet != null) { |
| try { |
| bytes = contents.getBytes(charSet); |
| } catch (UnsupportedEncodingException e) { |
| CompareUIPlugin.log(e); |
| } |
| } |
| if (bytes == null) { |
| bytes = contents.getBytes(); |
| } |
| return new ByteArrayInputStream(bytes); |
| } |
| |
| private Patcher getPatcher() { |
| return Patcher.getPatcher(result.getConfiguration()); |
| } |
| } |