NumberToByteConverter


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 Byte.
18   * <p>
19   * Class is thread safe.
20   * </p>
21   * 
22   * @since 1.0
23   */
24  public class NumberToByteConverter extends NumberToNumberConverter {
25      /**
26       * @param numberFormat 
27       * @param fromType
28       * @param primitive
29       */
30      public NumberToByteConverter(NumberFormat numberFormat, Class   fromType,
31              boolean primitive) {
32          super(numberFormat, fromType, (primitive) ? Byte.TYPE : Byte  .class);
33      }
34  
35      /* (non-Javadoc)
36       * @see org.eclipse.core.internal.databinding.conversion.NumberToNumberConverter#doConvert(java.lang.Number)
37       */
38      protected Number   doConvert(Number   number) {
39          if (StringToNumberParser.inByteRange(number)) {
40              return new Byte  (number.byteValue());
41          }
42          
43          return null;
44      }
45  }
46

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