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1   package org.apache.commons.ognl;
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.math.BigDecimal;
23  import java.math.BigInteger;
24  import java.util.HashMap;
25  import java.util.Map;
26  
27  /**
28   * Constant strings for getting the primitive value of different native types on the generic {@link Number} object
29   * interface. (or the less generic BigDecimal/BigInteger types)
30   */
31  class NumericValues {
32  
33      private final Map<Class<?>, String> map = new HashMap<Class<?>, String>();
34  
35      NumericValues() {
36          map.put( Double.class, "doubleValue()" );
37          map.put( Float.class, "floatValue()" );
38          map.put( Integer.class, "intValue()" );
39          map.put( Long.class, "longValue()" );
40          map.put( Short.class, "shortValue()" );
41          map.put( Byte.class, "byteValue()" );
42          map.put( BigDecimal.class, "doubleValue()" );
43          map.put( BigInteger.class, "doubleValue()" );
44          map.put( Boolean.class, "booleanValue()" );
45      }
46  
47      String get( Class<?> cls ) {
48          return map.get( cls );
49      }
50  }