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.Args;
35 import org.apache.http.util.LangUtils;
36
37 /**
38 * Basic implementation of {@link NameValuePair}.
39 *
40 * @since 4.0
41 */
42 @Immutable
43 public class BasicNameValuePair implements NameValuePair, Cloneable, Serializable {
44
45 private static final long serialVersionUID = -6437800749411518984L;
46
47 private final String name;
48 private final String value;
49
50 /**
51 * Default Constructor taking a name and a value. The value may be null.
52 *
53 * @param name The name.
54 * @param value The value.
55 */
56 public BasicNameValuePair(final String name, final String value) {
57 super();
58 this.name = Args.notNull(name, "Name");
59 this.value = value;
60 }
61
62 public String getName() {
63 return this.name;
64 }
65
66 public String getValue() {
67 return this.value;
68 }
69
70 @Override
71 public String toString() {
72 // don't call complex default formatting for a simple toString
73
74 if (this.value == null) {
75 return name;
76 } else {
77 final int len = this.name.length() + 1 + this.value.length();
78 final StringBuilder buffer = new StringBuilder(len);
79 buffer.append(this.name);
80 buffer.append("=");
81 buffer.append(this.value);
82 return buffer.toString();
83 }
84 }
85
86 @Override
87 public boolean equals(final Object object) {
88 if (this == object) {
89 return true;
90 }
91 if (object instanceof NameValuePair) {
92 final 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 }