01: /*
02: * Copyright 2005 the original author or authors.
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.springframework.oxm.castor;
17:
18: import org.exolab.castor.xml.MarshalException;
19: import org.exolab.castor.xml.ValidationException;
20: import org.exolab.castor.xml.XMLException;
21: import org.springframework.oxm.XmlMappingException;
22:
23: /**
24: * Generic utility methods for working with Castor. Mainly for internal use within the framework.
25: *
26: * @author Arjen Poutsma
27: * @since 1.0.0
28: */
29: public class CastorUtils {
30:
31: /**
32: * Converts the given <code>XMLException</code> to an appropriate exception from the
33: * <code>org.springframework.oxm</code> hierarchy.
34: * <p/>
35: * A boolean flag is used to indicate whether this exception occurs during marshalling or unmarshalling, since
36: * Castor itself does not make this distinction in its exception hierarchy.
37: *
38: * @param ex Castor <code>XMLException</code> that occured
39: * @param marshalling indicates whether the exception occurs during marshalling (<code>true</code>), or
40: * unmarshalling (<code>false</code>)
41: * @return the corresponding <code>XmlMappingException</code>
42: */
43: public static XmlMappingException convertXmlException(
44: XMLException ex, boolean marshalling) {
45: if (ex instanceof MarshalException) {
46: MarshalException marshalException = (MarshalException) ex;
47: if (marshalling) {
48: return new CastorMarshallingFailureException(
49: marshalException);
50: } else {
51: return new CastorUnmarshallingFailureException(
52: marshalException);
53: }
54: } else if (ex instanceof ValidationException) {
55: return new CastorValidationFailureException(
56: (ValidationException) ex);
57: }
58: // fallback
59: return new CastorSystemException("Unknown Castor exception: "
60: + ex.getMessage(), ex);
61: }
62:
63: }
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