ObjectToStringConverter


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   * Converts any object to a string by calling its toString() method.
18   */
19  public class ObjectToStringConverter implements IConverter {
20      private final Class   fromClass;
21  
22      /**
23       * 
24       */
25      public ObjectToStringConverter() {
26          this(Object  .class);
27      }
28  
29      /**
30       * @param fromClass
31       */
32      public ObjectToStringConverter(Class   fromClass) {
33          this.fromClass = fromClass;
34      }
35  
36      /*
37       * (non-Javadoc)
38       * 
39       * @see org.eclipse.jface.binding.converter.IConverter#convert(java.lang.Object)
40       */
41      public Object   convert(Object   source) {
42          if (source == null) {
43              return ""; //$NON-NLS-1$
44          }
45          return source.toString();
46      }
47  
48      public Object   getFromType() {
49          return fromClass;
50      }
51  
52      public Object   getToType() {
53          return String  .class;
54      }
55  
56  }
57

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