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package org.glassfish.jersey.server.internal.process;
import javax.ws.rs.ProcessingException;
/**
* A runtime exception that contains a cause, a checked or runtime exception,
* that may be mapped to a {@link javax.ws.rs.core.Response} instance.
*
* The runtime will catch such exceptions and attempt to map the cause
* exception to a registered {@link javax.ws.rs.ext.ExceptionMapper} that
* provides an appropriate {@link javax.ws.rs.core.Response} instance.
*
* @author Paul Sandoz
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public class MappableException extends ProcessingException {
private static final long serialVersionUID = -7326005523956892754L;
/**
* Construct a mappable container exception.
*
* @param cause the cause. If the cause is an instance of
* {@link MappableException} then the cause of this exception
* will be obtained by recursively searching though the exception
* causes until a cause is obtained that is not an instance of
* {@code MappableException}.
*/
public MappableException(Throwable cause) {
super(unwrap(cause));
}
/**
* Construct a new mappable exception with the supplied message and cause.
*
* @param message the exception message.
* @param cause the exception cause.
*/
public MappableException(String message, Throwable cause) {
super(message, unwrap(cause));
}
private static Throwable unwrap(Throwable cause) {
if (cause instanceof MappableException) {
do {
MappableException mce = (MappableException) cause;
cause = mce.getCause();
} while (cause instanceof MappableException);
}
return cause;
}
}