MapUtils


1   /*
2    * Copyright 2001, 2002,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.apache.axis.transport.jms;
18  
19  import java.util.Map  ;
20  
21  /**
22   * MapUtils provides convenience methods for accessing a java.util.Map
23   *
24   * @author Jaime Meritt  (jmeritt@sonicsoftware.com)
25   * @author Richard Chung (rchung@sonicsoftware.com)
26   * @author Dave Chappell (chappell@sonicsoftware.com)
27   */
28  public class MapUtils
29  {
30      /**
31       * Returns an int property from a Map and removes it.
32       *
33       * @param properties
34       * @param key
35       * @param defaultValue
36       * @return
37       */
38      public static int removeIntProperty(Map   properties, String   key, int defaultValue)
39      {
40          int value = defaultValue;
41          if(properties != null && properties.containsKey(key))
42          {
43              try{value = ((Integer  )properties.remove(key)).intValue();}catch(Exception   ignore){}
44          }
45          return value;
46      }
47  
48      /**
49       * Returns a long property from a Map and removes it.
50       *
51       * @param properties
52       * @param key
53       * @param defaultValue
54       * @return
55       */
56      public static long removeLongProperty(Map   properties, String   key, long defaultValue)
57      {
58          long value = defaultValue;
59          if(properties != null && properties.containsKey(key))
60          {
61              try{value = ((Long  )properties.remove(key)).longValue();}catch(Exception   ignore){}
62          }
63          return value;
64      }
65  
66      /**
67       * Returns a String property from a Map and removes it.
68       *
69       * @param properties
70       * @param key
71       * @param defaultValue
72       * @return
73       */
74      public static String   removeStringProperty(Map   properties, String   key, String   defaultValue)
75      {
76          String   value = defaultValue;
77          if(properties != null && properties.containsKey(key))
78          {
79              try{value = (String  )properties.remove(key);}catch(Exception   ignore){}
80          }
81          return value;
82      }
83  
84      /**
85       * Returns a boolean property from a Map and removes it.
86       *
87       * @param properties
88       * @param key
89       * @param defaultValue
90       * @return
91       */
92      public static boolean removeBooleanProperty(Map   properties, String   key, boolean defaultValue)
93      {
94          boolean value = defaultValue;
95          if(properties != null && properties.containsKey(key))
96          {
97              try{value = ((Boolean  )properties.remove(key)).booleanValue();}catch(Exception   ignore){}
98          }
99          return value;
100     }
101 
102     /**
103      * Returns an Object property from a Map and removes it.
104      *
105      * @param properties
106      * @param key
107      * @param defaultValue
108      * @return
109      */
110     public static Object   removeObjectProperty(Map   properties, String   key, Object   defaultValue)
111     {
112         Object   value = defaultValue;
113         if(properties != null && properties.containsKey(key))
114         {
115             value = properties.remove(key);
116         }
117         return value;
118     }
119 }
120
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