/*
* Copyright 2002-2005 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 net.sf.sojo.core.conversion.interceptor;
import net.sf.sojo.core.ConverterInterceptor;
import net.sf.sojo.core.reflect.ReflectionHelper;
import net.sf.sojo.util.ThrowableWrapper;
/**
* Transform before convert the <code>Throwable</code> instance to a <code>ThrowableWrapper</code>
* and after convert back to a <code>Throwable</code>.
*
* @author linke
*
*/
public class ThrowableConverterInterceptor implements ConverterInterceptor {
public Object beforeConvert(final Object pvConvertObject, final Class pvToType) {
if (pvConvertObject instanceof Throwable) {
return new ThrowableWrapper ((Throwable) pvConvertObject);
} else {
return pvConvertObject;
}
}
public Object afterConvert(final Object pvResult, final Class pvToType) {
if (pvResult instanceof ThrowableWrapper) {
return ReflectionHelper.createThrowable((ThrowableWrapper) pvResult, pvToType);
} else {
return pvResult;
}
}
public void onError(Exception pvException) {
// do nothing
}
}
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