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Java > Open Source Codes > org > apache > commons > jxpath > util > 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 JavaDoc object, Class JavaDoc 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 JavaDoc convert(Object JavaDoc object, Class JavaDoc toType);
42 }
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