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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   * Numeric primitive literal string expressions.
29   */
30  class NumericLiterals {
31  
32      private final Map<Class<? extends Number>, String> map = new HashMap<Class<? extends Number>, String>();
33  
34      NumericLiterals() {
35          map.put( Integer.class, "" );
36          map.put( Integer.TYPE, "" );
37          map.put( Long.class, "l" );
38          map.put( Long.TYPE, "l" );
39          map.put( BigInteger.class, "d" );
40          map.put( Float.class, "f" );
41          map.put( Float.TYPE, "f" );
42          map.put( Double.class, "d" );
43          map.put( Double.TYPE, "d" );
44          map.put( BigInteger.class, "d" );
45          map.put( BigDecimal.class, "d" );
46      }
47  
48      String get( Class<? extends Number> clazz ) {
49          return map.get( clazz );
50      }
51  }