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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   */
29  class NumericDefaults {
30  
31      private final Map<Class<?>, Object> NUMERIC_DEFAULTS = new HashMap<Class<?>, Object>();
32  
33      NumericDefaults() {
34          NUMERIC_DEFAULTS.put( Boolean.class, Boolean.FALSE );
35          NUMERIC_DEFAULTS.put( Byte.class, (byte) 0 );
36          NUMERIC_DEFAULTS.put( Short.class, (short) 0 );
37          NUMERIC_DEFAULTS.put( Character.class, (char) 0 );
38          NUMERIC_DEFAULTS.put( Integer.class, 0 );
39          NUMERIC_DEFAULTS.put( Long.class, 0L );
40          NUMERIC_DEFAULTS.put( Float.class, 0.0f );
41          NUMERIC_DEFAULTS.put( Double.class, 0.0 );
42  
43          NUMERIC_DEFAULTS.put( BigInteger.class, BigInteger.ZERO );
44          NUMERIC_DEFAULTS.put( BigDecimal.class, BigDecimal.ZERO );
45      }
46  
47      Object get( Class<?> cls ) {
48          return NUMERIC_DEFAULTS.get( cls );
49      }
50  }