TypeConverter


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jxpath.util;
17  
18  /**
19   * A type converter can be installed on TypeUtils to introduce
20   * additional type conversions for JXPath. Most of
21   * the time BasicTypeConverter should be used as the superclass.
22   *
23   * @see TypeUtils#setTypeConverter
24   *
25   * @author Dmitri Plotnikov
26   * @version $Revision: 1.4 $ $Date: 2004/02/29 14:17:43 $
27   */
28  public interface TypeConverter {
29  
30      /**
31       * Returns true if it can convert the supplied
32       * object to the specified class.
33       */
34      boolean canConvert(Object   object, Class   toType);
35  
36      /**
37       * Converts the supplied object to the specified
38       * type. Throws a runtime exception if the conversion is
39       * not possible.
40       */
41      Object   convert(Object   object, Class   toType);
42  }

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