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1   /*
2    * Copyright 2006-2008 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.springframework.osgi.mock;
17  
18  import java.util.Enumeration;
19  import java.util.NoSuchElementException;
20  
21  /**
22   * Simple enumeration mock backed by an array of objects.
23   * 
24   */
25  public class ArrayEnumerator implements Enumeration {
26  
27  	private final Object[] source;
28  
29  	private int index = 0;
30  
31  	public ArrayEnumerator(Object[] source) {
32  		this.source = source;
33  	}
34  
35  	public boolean hasMoreElements() {
36  		return source.length > index;
37  	}
38  
39  	public Object nextElement() {
40  		if (hasMoreElements())
41  			return (source[index++]);
42  		else
43  			throw new NoSuchElementException();
44  	}
45  }