1 files changed, 113 insertions, 0 deletions
diff --git a/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/synchronize/model/GitModelObject.java b/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/synchronize/model/GitModelObject.java
new file mode 100644
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+++ b/org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/synchronize/model/GitModelObject.java
@@ -0,0 +1,113 @@
+/*******************************************************************************
+ * Copyright (C) 2010, Dariusz Luksza <dariusz@luksza.org>
+ *
+ * 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
+ *******************************************************************************/
+package org.eclipse.egit.ui.internal.synchronize.model;
+
+import java.io.IOException;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.egit.core.synchronize.dto.GitSynchronizeData;
+import org.eclipse.jgit.errors.MissingObjectException;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.treewalk.TreeWalk;
+import org.eclipse.jgit.treewalk.filter.TreeFilter;
+
+/**
+ * Abstract representation of all object that are included in Git ChangeSet
+ * model.
+ */
+public abstract class GitModelObject extends PlatformObject {
+
+	private final GitModelObject parent;
+
+	/**
+	 * Creates root of Git ChangeSet model.
+	 *
+	 * @param data
+	 *            synchronization data
+	 * @return Git ChangeSet model root
+	 * @throws IOException
+	 * @throws MissingObjectException
+	 */
+	public static GitModelObject createRoot(GitSynchronizeData data)
+			throws MissingObjectException, IOException {
+		return new GitModelRepository(data);
+	}
+
+	/**
+	 * @return child's of particular model object
+	 */
+	public abstract GitModelObject[] getChildren();
+
+	/**
+	 * Returns name of model object, in case of:
+	 * <ul>
+	 * <li>root node it will return repository path
+	 * <li>commit node it will return first 6 characters of commit's SHA-1
+	 * connected with short commit message
+	 * <li>tree node it will return folder name
+	 * <li>blob node it will return file name
+	 * </ul>
+	 *
+	 * @return name of model object
+	 */
+	public abstract String getName();
+
+	/**
+	 * @return list of projects that are connected with particular object model
+	 */
+	public abstract IProject[] getProjects();
+
+	/**
+	 * @return location of resource associated with particular model object
+	 */
+	public abstract IPath getLocation();
+
+	/**
+	 *
+	 * @param parent
+	 *            of particular model object
+	 */
+	protected GitModelObject(GitModelObject parent) {
+		this.parent = parent;
+	}
+
+	/**
+	 * @return parent of particular model object, or <code>null</code> if object
+	 *         is root node
+	 */
+	public GitModelObject getParent() {
+		return parent;
+	}
+
+	/**
+	 * @return repository associated with particular model object
+	 */
+	public Repository getRepository() {
+		return parent.getRepository();
+	}
+
+	/**
+	 * Returns preinitialized instance of {@link TreeWalk}. Set of
+	 * initialization call's is common for all model object's.
+	 *
+	 * @return tree walk
+	 */
+	protected TreeWalk createTreeWalk() {
+		TreeWalk tw = new TreeWalk(getRepository());
+
+		tw.reset();
+		tw.setRecursive(false);
+		tw.setFilter(TreeFilter.ANY_DIFF);
+
+		return tw;
+	}
+
+}