1 files changed, 76 insertions, 0 deletions
diff --git a/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/bugzilla/compare/BugzillaStructureCreator.java b/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/bugzilla/compare/BugzillaStructureCreator.java
new file mode 100644
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--- /dev/null
+++ b/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/bugzilla/compare/BugzillaStructureCreator.java
@@ -0,0 +1,76 @@
+/*******************************************************************************
+ * Copyright (c) 2003 - 2005 University Of British Columbia 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:
+ *     University Of British Columbia - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.mylar.bugzilla.compare;
+
+import org.eclipse.compare.structuremergeviewer.IStructureComparator;
+import org.eclipse.compare.structuremergeviewer.IStructureCreator;
+import org.eclipse.jface.util.Assert;
+import org.eclipse.mylar.bugzilla.core.BugReport;
+
+
+/**
+ * This implementation of the <code>IStructureCreator</code> interface
+ * makes the contents of a <code>BugReport</code> object available as a
+ * hierarchical structure of <code>IStructureComparator</code>s.
+ * <p>
+ * It is used when comparing a modified bug report to the one on the
+ * corresponding server.
+ */
+public class BugzillaStructureCreator implements IStructureCreator {
+
+	/**
+	 * Create a new BugzillaStructureCreator.
+	 */
+	public BugzillaStructureCreator() {
+		super();
+	}
+
+	public String getName() {
+		return "Bugzilla Structure Creator";
+	}
+
+	public IStructureComparator getStructure(Object input) {
+		if (input instanceof BugReport) {
+			BugReport bugReport = (BugReport) input;
+			return BugzillaCompareNode.parseBugReport(bugReport);
+		}
+		else {
+			return null;
+		}
+	}
+
+	public IStructureComparator locate(Object path, Object input) {
+		return null;
+	}
+
+	public String getContents(Object node, boolean ignoreWhitespace) {
+		if (node instanceof BugzillaCompareNode) {
+			String s = ((BugzillaCompareNode)node).getValue();
+			if (ignoreWhitespace)
+				s= s.trim();
+			return s;
+		}
+		return null;
+	}
+
+	/**
+	 * Called whenever a copy operation has been performed on a tree node.
+	 * This implementation throws an <code>AssertionFailedException</code>
+	 * since we cannot update a bug report object.
+	 *
+	 * @param structure the node for which to save the new content
+	 * @param input the object from which the structure tree was created in <code>getStructure</code>
+	 */
+	public void save(IStructureComparator node, Object input) {
+		Assert.isTrue(false); // Cannot update bug report object
+	}
+
+}