+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.eclipse.ui.jcr.utils;
-
-import javax.jcr.Node;
-import javax.jcr.RepositoryException;
-
-import org.argeo.eclipse.ui.EclipseUiException;
-import org.eclipse.jface.viewers.IElementComparer;
-
-/** Compare JCR nodes based on their JCR identifiers, for use in JFace viewers. */
-public class NodeViewerComparer implements IElementComparer {
-
- // force comparison on Node IDs only.
- public boolean equals(Object elementA, Object elementB) {
- if (!(elementA instanceof Node) || !(elementB instanceof Node)) {
- return elementA == null ? elementB == null : elementA
- .equals(elementB);
- } else {
-
- boolean result = false;
- try {
- String idA = ((Node) elementA).getIdentifier();
- String idB = ((Node) elementB).getIdentifier();
- result = idA == null ? idB == null : idA.equals(idB);
- } catch (RepositoryException re) {
- throw new EclipseUiException("cannot compare nodes", re);
- }
-
- return result;
- }
- }
-
- public int hashCode(Object element) {
- // TODO enhanced this method.
- return element.getClass().toString().hashCode();
- }
-}
\ No newline at end of file