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1 /* ====================================================================
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 2000 The Apache Software Foundation. All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 * if any, must include the following acknowledgment:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowledgment may appear in the software itself,
24 * if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Apache" and "Apache Software Foundation" must
27 * not be used to endorse or promote products derived from this
28 * software without prior written permission. For written
29 * permission, please contact apache@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 * nor may "Apache" appear in their name, without prior written
33 * permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation. For more
51 * information on the Apache Software Foundation, please see
52 * <http://www.apache.org/>;.
53 *
54 * Portions of this software are based upon public domain software
55 * originally written at the National Center for Supercomputing Applications,
56 * University of Illinois, Urbana-Champaign.
57 */
58
59 package org.troublescope.util;
60
61 import java.util.*;
62
63 /***
64 * An object that represents a name value pair.
65 *
66 * @author Calvin Yu
67 */
68 public class NameValuePair
69 {
70
71 private String name;
72 private String value;
73
74 /***
75 * Create a new <code>NameValuePair</code>.
76 */
77 public NameValuePair()
78 {
79 this(null, null);
80 }
81
82 /***
83 * Create a new <code>NameValuePair</code>.
84 */
85 public NameValuePair(String aName, String aValue)
86 {
87 setName(aName);
88 setValue(aValue);
89 }
90
91 /***
92 * Returns the name.
93 */
94 public String getName()
95 {
96 return name;
97 }
98
99 /***
100 * Set the name.
101 */
102 public void setName(String aName)
103 {
104 name = aName;
105 }
106
107 /***
108 * Returns the value.
109 */
110 public String getValue()
111 {
112 return value;
113 }
114
115 /***
116 * Sets the value.
117 */
118 public void setValue(String aValue)
119 {
120 value = aValue;
121 }
122
123 /***
124 * Create a list from the given map.
125 */
126 static public List createListFromMap(Map map)
127 {
128 return createListFromMap(NameValuePair.class, map);
129 }
130
131 /***
132 * Create a list from the given map.
133 */
134 static public List createListFromMap(Class nvpClass, Map map)
135 {
136 if (!NameValuePair.class.isAssignableFrom(nvpClass)) {
137 throw new IllegalArgumentException("Class '" + nvpClass.getName() + "' is not a name value pair");
138 }
139 if (map.isEmpty()) {
140 return Collections.EMPTY_LIST;
141 }
142 try {
143 List paramList = new ArrayList(map.size());
144 for (Iterator i = map.entrySet().iterator(); i.hasNext();) {
145 Map.Entry entry = (Map.Entry) i.next();
146 NameValuePair nvp = (NameValuePair) nvpClass.newInstance();
147 nvp.setName((String) entry.getKey());
148 nvp.setValue((String) entry.getValue());
149 paramList.add(nvp);
150 }
151 return paramList;
152 } catch (Exception e) {
153 throw new IllegalArgumentException("Error creating instance of name value pair class '"
154 + nvpClass.getName() + "': " + e.toString());
155 }
156 }
157
158 }
159
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