| /******************************************************************************* |
| * Copyright (c) 2005 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 |
| *******************************************************************************/ |
| /* |
| * Created on Jan 22, 2005 |
| * |
| * TODO To change the template for this generated file go to Window - Preferences - Java - Code |
| * Style - Code Templates |
| */ |
| package org.eclipse.jst.j2ee.navigator.internal; |
| |
| import java.util.Comparator; |
| |
| import org.eclipse.jst.j2ee.ejb.EnterpriseBean; |
| import org.eclipse.jst.j2ee.internal.ejb.provider.J2EEJavaClassProviderHelper; |
| |
| |
| public class J2EEComparator implements Comparator { |
| |
| private J2EEViewerSorter j2eeViewSorter = new J2EEViewerSorter(); |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object) |
| */ |
| public int compare(Object o1, Object o2) { |
| J2EEJavaClassProviderHelper providerHelperLeftArg = null; |
| J2EEJavaClassProviderHelper providerHelperRightArg = null; |
| |
| if (o1 instanceof J2EEJavaClassProviderHelper) |
| providerHelperLeftArg = (J2EEJavaClassProviderHelper) o1; |
| if (o2 instanceof J2EEJavaClassProviderHelper) |
| providerHelperRightArg = (J2EEJavaClassProviderHelper) o2; |
| |
| |
| /* if both arguments are J2EEJavaClassProviderHelpers */ |
| if (providerHelperLeftArg != null && providerHelperRightArg != null) |
| return providerHelperLeftArg.getText().compareTo(providerHelperRightArg.getText()); |
| /* if exactly one of the arguments are J2EEJavaClassProviderHelpers */ |
| else if (providerHelperLeftArg != null && o2 instanceof EnterpriseBean) |
| return 1; |
| else if (providerHelperRightArg != null && o1 instanceof EnterpriseBean) |
| return -1; |
| return j2eeViewSorter.compare(null, o1, o2); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.util.Comparator#equals(java.lang.Object) |
| */ |
| public boolean equals(Object obj) { |
| return obj instanceof J2EEComparator; |
| } |
| |
| } |