org.springframework.oxm.jaxb.JaxbUtils Maven / Gradle / Ivy
/*
* Copyright 2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.oxm.jaxb;
import javax.xml.bind.JAXBException;
import javax.xml.bind.MarshalException;
import javax.xml.bind.UnmarshalException;
import javax.xml.bind.ValidationException;
import org.springframework.oxm.XmlMappingException;
/**
* Generic utility methods for working with JAXB. Mainly for internal use within the framework.
*
* @author Arjen Poutsma
*/
public abstract class JaxbUtils {
public static final int JAXB_1 = 0;
public static final int JAXB_2 = 1;
private static final String JAXB_2_CLASS_NAME = "javax.xml.bind.Binder";
private static int jaxbVersion = JAXB_1;
static {
try {
Class.forName(JAXB_2_CLASS_NAME);
jaxbVersion = JAXB_2;
}
catch (ClassNotFoundException ex1) {
// leave JAXB 1 as default
}
}
/**
* Gets the major JAXB version. This means we can do things like if (getJaxbVersion() <= JAXB_2).
*
* @return a code comparable to the JAXP_XX codes in this class
* @see #JAXB_1
* @see #JAXB_2
*/
public static int getJaxbVersion() {
return jaxbVersion;
}
/**
* Converts the given JAXBException to an appropriate exception from the
* org.springframework.oxm hierarchy.
*
* @param ex JAXBException that occured
* @return the corresponding XmlMappingException
*/
public static XmlMappingException convertJaxbException(JAXBException ex) {
if (ex instanceof MarshalException) {
return new JaxbMarshallingFailureException((MarshalException) ex);
}
else if (ex instanceof UnmarshalException) {
return new JaxbUnmarshallingFailureException((UnmarshalException) ex);
}
else if (ex instanceof ValidationException) {
return new JaxbValidationFailureException((ValidationException) ex);
}
// fallback
return new JaxbSystemException(ex);
}
}