| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.jeview.views; |
| |
| |
| public abstract class JavaElementChildrenProperty extends JEAttribute { |
| |
| private final JEAttribute fParent; |
| private final String fName; |
| |
| public JavaElementChildrenProperty(JEAttribute parent, String name) { |
| fParent= parent; |
| fName= name; |
| } |
| |
| @Override |
| public JEAttribute getParent() { |
| return fParent; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null || !obj.getClass().equals(getClass())) { |
| return false; |
| } |
| |
| JavaElementChildrenProperty other= (JavaElementChildrenProperty) obj; |
| if (fParent == null) { |
| if (other.fParent != null) |
| return false; |
| } else if (! fParent.equals(other.fParent)) { |
| return false; |
| } |
| |
| if (fName == null) { |
| if (other.fName != null) |
| return false; |
| } else if (! fName.equals(other.fName)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return (fParent != null ? fParent.hashCode() : 0) |
| + (fName != null ? fName.hashCode() : 0); |
| } |
| |
| @Override |
| public JEAttribute[] getChildren() { |
| try { |
| return computeChildren(); |
| } catch (Exception e) { |
| return new JEAttribute[] {new Error(this, "", e)}; |
| } |
| } |
| |
| protected abstract JEAttribute[] computeChildren() throws Exception; |
| |
| @Override |
| public String getLabel() { |
| Object[] children= getChildren(); |
| String count; |
| if (children.length == 1 && children[0] instanceof Error) { |
| count= Error.ERROR; |
| } else { |
| count= String.valueOf(children.length); |
| } |
| return fName + " (" + count + ")"; |
| } |
| |
| } |