View Javadoc
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.hc.core5.http.message;
29  
30  import java.io.Serializable;
31  import java.util.Locale;
32  
33  import org.apache.hc.core5.annotation.Contract;
34  import org.apache.hc.core5.annotation.ThreadingBehavior;
35  import org.apache.hc.core5.http.NameValuePair;
36  import org.apache.hc.core5.util.Args;
37  import org.apache.hc.core5.util.LangUtils;
38  
39  /**
40   * Basic implementation of {@link NameValuePair}.
41   *
42   * @since 4.0
43   */
44  @Contract(threading = ThreadingBehavior.IMMUTABLE)
45  public class BasicNameValuePair implements NameValuePair, Serializable {
46  
47      private static final long serialVersionUID = -6437800749411518984L;
48  
49      private final String name;
50      private final String value;
51  
52      /**
53       * Default Constructor taking a name and a value. The value may be null.
54       *
55       * @param name The name.
56       * @param value The value.
57       */
58      public BasicNameValuePair(final String name, final String value) {
59          super();
60          this.name = Args.notNull(name, "Name");
61          this.value = value;
62      }
63  
64      @Override
65      public String getName() {
66          return this.name;
67      }
68  
69      @Override
70      public String getValue() {
71          return this.value;
72      }
73  
74      @Override
75      public String toString() {
76          // don't call complex default formatting for a simple toString
77  
78          if (this.value == null) {
79              return name;
80          }
81          final int len = this.name.length() + 1 + this.value.length();
82          final StringBuilder buffer = new StringBuilder(len);
83          buffer.append(this.name);
84          buffer.append("=");
85          buffer.append(this.value);
86          return buffer.toString();
87      }
88  
89      @Override
90      public boolean equals(final Object obj) {
91          if (this == obj) {
92              return true;
93          }
94          if (obj instanceof BasicNameValuePair) {
95              final BasicNameValuePair that = (BasicNameValuePair) obj;
96              return this.name.equalsIgnoreCase(that.name) && LangUtils.equals(this.value, that.value);
97          }
98          return false;
99      }
100 
101     @Override
102     public int hashCode() {
103         int hash = LangUtils.HASH_SEED;
104         hash = LangUtils.hashCode(hash, this.name.toLowerCase(Locale.ROOT));
105         hash = LangUtils.hashCode(hash, this.value);
106         return hash;
107     }
108 
109 }