View Javadoc
1   package org.apache.turbine.util.uri;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.Objects;
23  
24  import org.apache.commons.lang3.StringUtils;
25  
26  /**
27   * Helper Class to keep a key and a value together in
28   * one object. Used for URI Parameters
29   *
30   * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
31   * @version $Id$
32   */
33  
34  public class URIParam
35  {
36      /** Key */
37      private String key = null;
38  
39      /** Value */
40      private Object value = null;
41  
42      /**
43       * Creates a new Object from Key and Value
44       *
45       * @param key A String with the Param Name.
46       * @param value An Object with the Value.
47       *
48       */
49      public URIParam(String key, Object value)
50      {
51          this.key = key;
52          this.value = value;
53      }
54  
55      /**
56       * Returns the key.
57       *
58       * @return The key value.
59       *
60       */
61      public String getKey()
62      {
63          return (StringUtils.isNotEmpty(key)) ? key : "";
64      }
65  
66      /**
67       * Returns the value.
68       *
69       * @return The value of this object.
70       *
71       */
72      public Object getValue()
73      {
74          return value;
75      }
76  
77      /**
78       * Calculate hash code based on field values
79       */
80      @Override
81      public int hashCode()
82      {
83          return Objects.hash(key, value);
84      }
85  
86      /**
87       * Calculate equality based on field values
88       */
89      @Override
90      public boolean equals(Object obj)
91      {
92          if (this == obj)
93              return true;
94          if (obj == null)
95              return false;
96          if (getClass() != obj.getClass())
97              return false;
98          URIParam other = (URIParam) obj;
99  
100         return Objects.equals(getKey(), other.getKey()) ||
101                 Objects.equals(getValue(), other.getValue());
102     }
103 
104     /**
105      * Provide a string representation of the object
106      */
107     @Override
108     public String toString()
109     {
110         return "URIParam [key=" + key + ", value=" + value + "]";
111     }
112 }