1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package javax.faces.component;
20
21 import java.lang.reflect.Array;
22 import java.util.Iterator;
23
24 /**
25 * This utility iterator uses reflection to iterate over primitive arrays.
26 */
27 class _PrimitiveArrayIterator implements Iterator<Object>
28 {
29 public _PrimitiveArrayIterator(Object primitiveArray)
30 {
31 if (primitiveArray == null ||
32 !primitiveArray.getClass().isArray())
33 {
34 throw new IllegalArgumentException("Requires a primitive array");
35 }
36
37 _primitiveArray = primitiveArray;
38 _size = Array.getLength(primitiveArray);
39 }
40
41 public boolean hasNext()
42 {
43 return (_position < _size);
44 }
45
46 public Object next()
47 {
48 return Array.get(_primitiveArray, _position++);
49 }
50
51 public void remove()
52 {
53 throw new UnsupportedOperationException();
54 }
55
56 private Object _primitiveArray;
57 private int _size;
58 private int _position;
59 }