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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 casting different primitive types.
29   */
30  class NumericCasts {
31  
32      private final Map<Class<? extends Number>, String> map = new HashMap<Class<? extends Number>, String>();
33  
34      NumericCasts() {
35          map.put( Double.class, "(double)" );
36          map.put( Float.class, "(float)" );
37          map.put( Integer.class, "(int)" );
38          map.put( Long.class, "(long)" );
39          map.put( BigDecimal.class, "(double)" );
40          map.put( BigInteger.class, "" );
41      }
42  
43      String get( Class<? extends Number> cls ) {
44          return map.get( cls );
45      }
46  }