1 files changed, 128 insertions, 0 deletions
diff --git a/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/patch/PatchFileTypedElement.java b/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/patch/PatchFileTypedElement.java
new file mode 100644
index 000000000..86c5fff2d
--- /dev/null
+++ b/bundles/org.eclipse.compare/compare/org/eclipse/compare/internal/patch/PatchFileTypedElement.java
@@ -0,0 +1,128 @@
+/*******************************************************************************
+ * Copyright (c) 2006, 2010 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;
+	}
+
+	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()
+	 */
+	public String getName() {
+		return result.getTargetPath().toString();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see org.eclipse.compare.ITypedElement#getType()
+	 */
+	public String getType() {
+		return result.getTargetPath().getFileExtension();
+	}
+
+	public String getCharset() throws CoreException {
+		return result.getCharset();
+	}
+
+	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());
+	}
+
+}