01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18: package org.apache.lenya.cms.site;
19:
20: import java.util.Arrays;
21: import java.util.Collection;
22: import java.util.Iterator;
23:
24: import org.apache.lenya.util.Assert;
25:
26: /**
27: * Node iterator.
28: */
29: public class NodeIterator {
30:
31: private Iterator delegate;
32:
33: /**
34: * @param collection The collection to iterate over.
35: */
36: public NodeIterator(Collection collection) {
37: Assert.notNull("collection", collection);
38: this .delegate = collection.iterator();
39: }
40:
41: /**
42: * @param nodes The nodes to iterate over.
43: */
44: public NodeIterator(SiteNode[] nodes) {
45: Assert.notNull("nodes", nodes);
46: this .delegate = Arrays.asList(nodes).iterator();
47: }
48:
49: /**
50: * @return A site node.
51: * @see Iterator#next()
52: */
53: public SiteNode next() {
54: return (SiteNode) this .delegate.next();
55: }
56:
57: /**
58: * @return A boolean value.
59: * @see Iterator#hasNext()
60: */
61: public boolean hasNext() {
62: return this.delegate.hasNext();
63: }
64:
65: }
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