1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27
28 package org.apache.http.message;
29
30 import java.io.Serializable;
31
32 import org.apache.http.NameValuePair;
33 import org.apache.http.annotation.Immutable;
34 import org.apache.http.util.LangUtils;
35
36 /**
37 * Basic implementation of {@link NameValuePair}.
38 *
39 * @since 4.0
40 */
41 @Immutable
42 public class BasicNameValuePair implements NameValuePair, Cloneable, Serializable {
43
44 private static final long serialVersionUID = -6437800749411518984L;
45
46 private final String name;
47 private final String value;
48
49 /**
50 * Default Constructor taking a name and a value. The value may be null.
51 *
52 * @param name The name.
53 * @param value The value.
54 */
55 public BasicNameValuePair(final String name, final String value) {
56 super();
57 if (name == null) {
58 throw new IllegalArgumentException("Name may not be null");
59 }
60 this.name = name;
61 this.value = value;
62 }
63
64 public String getName() {
65 return this.name;
66 }
67
68 public String getValue() {
69 return this.value;
70 }
71
72 @Override
73 public String toString() {
74 // don't call complex default formatting for a simple toString
75
76 if (this.value == null) {
77 return name;
78 } else {
79 int len = this.name.length() + 1 + this.value.length();
80 StringBuilder buffer = new StringBuilder(len);
81 buffer.append(this.name);
82 buffer.append("=");
83 buffer.append(this.value);
84 return buffer.toString();
85 }
86 }
87
88 @Override
89 public boolean equals(final Object object) {
90 if (this == object) return true;
91 if (object instanceof NameValuePair) {
92 BasicNameValuePair that = (BasicNameValuePair) object;
93 return this.name.equals(that.name)
94 && LangUtils.equals(this.value, that.value);
95 } else {
96 return false;
97 }
98 }
99
100 @Override
101 public int hashCode() {
102 int hash = LangUtils.HASH_SEED;
103 hash = LangUtils.hashCode(hash, this.name);
104 hash = LangUtils.hashCode(hash, this.value);
105 return hash;
106 }
107
108 @Override
109 public Object clone() throws CloneNotSupportedException {
110 return super.clone();
111 }
112
113 }