Bug 315281 update copyrights for 3.6
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
* be collapsed.
	 * <p>
	 * This method is typically used when restoring the interesting state of a
	 * viewer captured by an earlier call to <code>getExpandedTreePaths</code>.
	 * </p>
	 *
	 * @param treePaths
	 *            the array of expanded tree paths
	 * @see #getExpandedTreePaths()
	 *
	 * @since 3.2
	 */
	public void setExpandedTreePaths(TreePath[] treePaths) {
		assertElementsNotNull(treePaths);
		if (checkBusy())
			return;
		final IElementComparer comparer = getComparer();
		IElementComparer treePathComparer = new IElementComparer() {
			public boolean equals(Object a, Object b) {
				return ((TreePath) a).equals(((TreePath) b), comparer);
			}
			public int hashCode(Object element) {
				return ((TreePath) element).hashCode(comparer);
			}
		};
		CustomHashtable expandedTreePaths = new CustomHashtable(
				treePaths.length * 2 + 1, treePathComparer);
		for (int i = 0; i < treePaths.length; ++i) {
			TreePath treePath = treePaths[i];