| package org.apache.commons.ognl; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import java.util.Enumeration; |
| |
| /** |
| * Implementation of ElementsAccessor that returns a single-element iterator, containing the original target object. |
| */ |
| public class ObjectElementsAccessor |
| implements ElementsAccessor |
| { |
| /** |
| * {@inheritDoc} |
| */ |
| public Enumeration<?> getElements( Object target ) |
| { |
| final Object object = target; |
| |
| return new Enumeration<Object>() |
| { |
| private boolean seen = false; |
| |
| public boolean hasMoreElements() |
| { |
| return !seen; |
| } |
| |
| public Object nextElement() |
| { |
| Object result = null; |
| |
| if ( !seen ) |
| { |
| result = object; |
| seen = true; |
| } |
| return result; |
| } |
| }; |
| } |
| } |