Coverage Report

Coverage Report - org.apache.commons.resources.util.IteratorEnumeration

Classes in this File

Line Coverage

Branch Coverage

Complexity

IteratorEnumeration

0/15

0/4

1.714

 /*
  * $Id: IteratorEnumeration.java 358692 2005-12-23 03:37:26Z niallp $
  * $Revision: 358692 $
  * $Date: 2005-12-23 03:37:26 +0000 (Fri, 23 Dec 2005) $
  *
  * ====================================================================
  *
  *  Copyright 2005 The Apache Software Foundation
  *
  *  Licensed 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.
  *
  */
 
 package org.apache.commons.resources.util;
 
 import java.util.Enumeration;
 import java.util.Iterator;
 
 /**
  * Two way Adaptor class for java.util.Iterator and java.util.Enumeration.
  */
 public class IteratorEnumeration implements Iterator, Enumeration {
     
     private Iterator iterator;
     private Enumeration enumeration;
 
     // -------------------------- Constructors
 
     /**
      * Construct an instance which wraps an Iterator.
      *
      * @param iterator The <code>Iterator</code> to wrap.
      */
     public IteratorEnumeration(Iterator iterator) {
         this.iterator = iterator;
     }
 
     /**
      * Construct an instance which wraps an Enumeration.
      *
      * @param enumeration The <code>Enumeration</code> to wrap.
      */
     public IteratorEnumeration(Enumeration enumeration) {
         this.enumeration = enumeration;
     }
 
     // -------------------------- Iterator Methods
 
     /**
      * <code>remove()<code> is not supported.
      * @throws UnsupportedOperationException always.
      */
     public void remove() {
         throw new UnsupportedOperationException();
     }
 
     /**
      * Indicates whether the wrapped
      * <code>Iterator/Enumeration</code> has more elements.
      *
      * @return <code>true</code> if the wrapped
      * <code>Iterator/Enumeration</code> has more elements.
      */
     public boolean hasNext() {
         if (iterator == null) {
             return enumeration.hasMoreElements();
         } else {
             return iterator.hasNext();
         }
     }
 
     /**
      * Returns the next element in the wrapped
      * <code>Iterator/Enumeration</code>.
      *
      * @return the next element.
      */
     public Object next() {
         if (iterator == null) {
             return enumeration.nextElement();
         } else {
             return iterator.next();
         }
     }
 
     // -------------------------- Enumeration Methods
 
     /**
      * Indicates whether the wrapped
      * <code>Iterator/Enumeration</code> has more elements.
      *
      * @return <code>true</code> if the wrapped
      * <code>Iterator/Enumeration</code> has more elements.
      */
     public boolean hasMoreElements() {
         return hasNext();
     }
 
     /**
      * Returns the next element in the wrapped
      * <code>Iterator/Enumeration</code>.
      *
      * @return the next element.
      */
     public Object nextElement() {
         return next();
     }
 
 }

1		/*
2		* $Id: IteratorEnumeration.java 358692 2005-12-23 03:37:26Z niallp $
3		* $Revision: 358692 $
4		* $Date: 2005-12-23 03:37:26 +0000 (Fri, 23 Dec 2005) $
5		*
6		* ====================================================================
7		*
8		* Copyright 2005 The Apache Software Foundation
9		*
10		* Licensed under the Apache License, Version 2.0 (the "License");
11		* you may not use this file except in compliance with the License.
12		* You may obtain a copy of the License at
13		*
14		* http://www.apache.org/licenses/LICENSE-2.0
15		*
16		* Unless required by applicable law or agreed to in writing, software
17		* distributed under the License is distributed on an "AS IS" BASIS,
18		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19		* See the License for the specific language governing permissions and
20		* limitations under the License.
21		*
22		*/
23
24		package org.apache.commons.resources.util;
25
26		import java.util.Enumeration;
27		import java.util.Iterator;
28
29		/**
30		* Two way Adaptor class for java.util.Iterator and java.util.Enumeration.
31		*/
32		public class IteratorEnumeration implements Iterator, Enumeration {
33
34		private Iterator iterator;
35		private Enumeration enumeration;
36
37		// -------------------------- Constructors
38
39		/**
40		* Construct an instance which wraps an Iterator.
41		*
42		* @param iterator The <code>Iterator</code> to wrap.
43		*/
44	0	public IteratorEnumeration(Iterator iterator) {
45	0	this.iterator = iterator;
46	0	}
47
48		/**
49		* Construct an instance which wraps an Enumeration.
50		*
51		* @param enumeration The <code>Enumeration</code> to wrap.
52		*/
53	0	public IteratorEnumeration(Enumeration enumeration) {
54	0	this.enumeration = enumeration;
55	0	}
56
57		// -------------------------- Iterator Methods
58
59		/**
60		* <code>remove()<code> is not supported.
61		* @throws UnsupportedOperationException always.
62		*/
63		public void remove() {
64	0	throw new UnsupportedOperationException();
65		}
66
67		/**
68		* Indicates whether the wrapped
69		* <code>Iterator/Enumeration</code> has more elements.
70		*
71		* @return <code>true</code> if the wrapped
72		* <code>Iterator/Enumeration</code> has more elements.
73		*/
74		public boolean hasNext() {
75	0	if (iterator == null) {
76	0	return enumeration.hasMoreElements();
77		} else {
78	0	return iterator.hasNext();
79		}
80		}
81
82		/**
83		* Returns the next element in the wrapped
84		* <code>Iterator/Enumeration</code>.
85		*
86		* @return the next element.
87		*/
88		public Object next() {
89	0	if (iterator == null) {
90	0	return enumeration.nextElement();
91		} else {
92	0	return iterator.next();
93		}
94		}
95
96		// -------------------------- Enumeration Methods
97
98		/**
99		* Indicates whether the wrapped
100		* <code>Iterator/Enumeration</code> has more elements.
101		*
102		* @return <code>true</code> if the wrapped
103		* <code>Iterator/Enumeration</code> has more elements.
104		*/
105		public boolean hasMoreElements() {
106	0	return hasNext();
107		}
108
109		/**
110		* Returns the next element in the wrapped
111		* <code>Iterator/Enumeration</code>.
112		*
113		* @return the next element.
114		*/
115		public Object nextElement() {
116	0	return next();
117		}
118
119		}