StringToCharacterConverter


1   /*
2    * Copyright (C) 2005 db4objects Inc.  http://www.db4o.com
3    * 
4    * All rights reserved. This program and the accompanying materials
5    * are made available under the terms of the Eclipse Public License v1.0
6    * which accompanies this distribution, and is available at
7    * http://www.eclipse.org/legal/epl-v10.html
8    *
9    * Contributors:
10   *     db4objects - Initial API and implementation
11   */
12  package org.eclipse.core.internal.databinding.conversion;
13  
14  import org.eclipse.core.databinding.conversion.IConverter;
15  
16  /**
17   * StringToCharacterConverter.
18   */
19  public class StringToCharacterConverter implements IConverter {
20  
21      /*
22       * (non-Javadoc)
23       * 
24       * @see org.eclipse.jface.binding.converter.IConverter#convert(java.lang.Object)
25       */
26      public Object   convert(Object   source) {
27          String   s = (String  ) source;
28          Character   result;
29  
30          if (s.length() > 1)
31              throw new IllegalArgumentException  (
32                      "String2Character: string too long: " + s); //$NON-NLS-1$
33  
34          try {
35              result = new Character  (s.charAt(0));
36          } catch (Exception   e) {
37              throw new IllegalArgumentException  (
38                      "String2Character: " + e.getMessage() + ": " + s); //$NON-NLS-1$ //$NON-NLS-2$
39          }
40  
41          return result;
42      }
43  
44      public Object   getFromType() {
45          return String  .class;
46      }
47  
48      public Object   getToType() {
49          return Character  .class;
50      }
51  
52  }
53

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