01: /*
02: * Copyright 1999-2004 The Apache Software Foundation
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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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