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1   /*
2    * $Id: StringToNumber.java 19366 2010-09-04 03:26:47Z dirk.olmes $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.example.scripting;
12  
13  
14  import org.mule.api.transformer.TransformerException;
15  import org.mule.transformer.AbstractTransformer;
16  import org.mule.transformer.types.DataTypeFactory;
17  import org.mule.util.NumberUtils;
18  
19  /**
20   * Converts a string to a number.
21   */
22  public class StringToNumber extends AbstractTransformer
23  {
24      /** Convert the string to an integer (by default it will convert it to a double) */
25      private boolean integer = false;
26      
27      public StringToNumber()
28      {
29          registerSourceType(DataTypeFactory.STRING);
30          setReturnDataType(DataTypeFactory.create(Number.class));
31      }
32  
33      @Override
34      public Object doTransform(Object src, String outputEncoding) throws TransformerException
35      {
36          if (integer)
37          {
38              return new Integer(NumberUtils.toInt(src));
39          }
40          else
41          {
42              return new Double(NumberUtils.toDouble(src));
43          }
44      }
45  
46      public boolean isInteger()
47      {
48          return integer;
49      }
50  
51      public void setInteger(boolean integer)
52      {
53          this.integer = integer;
54      }
55  }