NumberToDoubleConverter


1   /*******************************************************************************
2    * Copyright (c) 2007 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   ******************************************************************************/
11  
12  package org.eclipse.core.internal.databinding.conversion;
13  
14  import com.ibm.icu.text.NumberFormat;
15  
16  /**
17   * Converts from a Number to a Double.
18   * <p>
19   * Class is thread safe.
20   * </p>
21   * 
22   * @since 1.0
23   */
24  public class NumberToDoubleConverter extends NumberToNumberConverter {
25  
26      /**
27       * @param numberFormat
28       * @param fromType
29       * @param primitive
30       */
31      public NumberToDoubleConverter(NumberFormat numberFormat, Class   fromType,
32              boolean primitive) {
33          super(numberFormat, fromType, (primitive) ? Double.TYPE : Double  .class);
34      }
35  
36      /* (non-Javadoc)
37       * @see org.eclipse.core.internal.databinding.conversion.NumberToNumberConverter#doConvert(java.lang.Number)
38       */
39      protected Number   doConvert(Number   number) {
40          if (StringToNumberParser.inDoubleRange(number)) {
41              return new Double  (number.doubleValue());
42          }
43          
44          return null;
45      }
46  }
47

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