001/*
002 * The contents of this file are subject to the license and copyright
003 * detailed in the LICENSE and NOTICE files at the root of the source
004 * tree.
005 */
006package org.fcrepo.http.commons.exceptionhandlers;
007
008import org.fcrepo.kernel.api.exception.InterruptedRuntimeException;
009import org.slf4j.Logger;
010
011import javax.ws.rs.core.Response;
012import javax.ws.rs.ext.ExceptionMapper;
013import javax.ws.rs.ext.Provider;
014
015import static javax.ws.rs.core.Response.Status.SERVICE_UNAVAILABLE;
016import static javax.ws.rs.core.Response.status;
017import static org.slf4j.LoggerFactory.getLogger;
018import static org.fcrepo.http.commons.domain.RDFMediaType.TEXT_PLAIN_WITH_CHARSET;
019
020/**
021 * If an HTTP request's processing is interrupted, return an HTTP 503 Service Unavailable.
022 *
023 * @author Mike Durbin
024 */
025@Provider
026public class InterruptedExceptionMapper implements
027        ExceptionMapper<InterruptedRuntimeException>, ExceptionDebugLogging {
028
029    private static final Logger LOGGER = getLogger(InterruptedExceptionMapper.class);
030
031    @Override
032    public Response toResponse(final InterruptedRuntimeException e) {
033        LOGGER.warn("Service interrupted", e);
034        return status(SERVICE_UNAVAILABLE).entity(e.getMessage()).type(TEXT_PLAIN_WITH_CHARSET).build();
035    }
036}