org.onlab.rest.exceptions

Class AbstractMapper<E extends Throwable>

java.lang.Object

org.onlab.rest.exceptions.AbstractMapper<E>

All Implemented Interfaces:

javax.ws.rs.ext.ExceptionMapper<E>

Direct Known Subclasses:

BadRequestMapper, EntityNotFoundMapper, ForbiddenMapper, IllegalArgumentExceptionMapper, IllegalStateExceptionMapper, NotFoundMapper, ServerErrorMapper, ServiceNotFoundMapper, WebApplicationExceptionMapper

public abstract class AbstractMapper<E extends Throwable>
extends Object
implements javax.ws.rs.ext.ExceptionMapper<E>

Base exception mapper implementation.

Field Summary

Fields

Modifier and Type	Field and Description
protected Throwable	error Holds the current exception for use in subclasses.

Constructor Summary

Constructors

Constructor and Description
AbstractMapper()

Method Summary

Modifier and Type	Method and Description
protected String	messageFrom(Throwable exception) Produces a response message from the supplied exception.
protected javax.ws.rs.core.Response.ResponseBuilder	response(javax.ws.rs.core.Response.Status status, Throwable exception) Produces a response builder primed with the supplied status code and JSON entity with the status code and exception message.
protected abstract javax.ws.rs.core.Response.Status	responseStatus() Returns the response status to be given when the exception occurs.
javax.ws.rs.core.Response	toResponse(E exception)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

error

protected Throwable error

Holds the current exception for use in subclasses.

Constructor Detail

AbstractMapper

public AbstractMapper()

Method Detail

responseStatus

protected abstract javax.ws.rs.core.Response.Status responseStatus()

Returns the response status to be given when the exception occurs.

Returns:

response status

toResponse

public javax.ws.rs.core.Response toResponse(E exception)

Specified by:

toResponse in interface javax.ws.rs.ext.ExceptionMapper<E extends Throwable>

response

protected javax.ws.rs.core.Response.ResponseBuilder response(javax.ws.rs.core.Response.Status status,
                                                             Throwable exception)

Produces a response builder primed with the supplied status code and JSON entity with the status code and exception message.

Parameters:

status - response status

exception - exception to encode

Returns:

response builder

messageFrom

protected String messageFrom(Throwable exception)

Produces a response message from the supplied exception. Either it will use the exception message, if there is one, or it will use the top stack-frame message.

Parameters:

exception - exception from which to produce a message

Returns:

response message