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1   /*
2    * Copyright (c) 2010.  The Apache Software Foundation
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, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package org.apache.expreval.expr.literal;
22  
23  import org.apache.expreval.expr.node.DoubleValue;
24  import org.apache.expreval.expr.node.GenericValue;
25  
26  public class DoubleLiteral extends GenericLiteral<Double> implements DoubleValue {
27  
28      public static GenericValue valueOf(final String value) {
29          final String upper = (value != null) ? value.toUpperCase() : "0";
30          return upper.endsWith("F") ? new FloatLiteral(upper) : new DoubleLiteral(upper);
31      }
32  
33      public DoubleLiteral(final String value) {
34          super(Double.valueOf(value.endsWith("D") ? value.substring(0, value.length() - 1) : value));
35      }
36  
37      public DoubleLiteral(final Double value) {
38          super(value);
39      }
40  
41      protected Class<? extends GenericValue> getReturnType() {
42          return DoubleValue.class;
43      }
44  }