ThrowableExceptionMapper.java

/*
 *   R Service Bus
 *
 *   Copyright (c) Copyright of Open Analytics NV, 2010-2015
 *
 *   ===========================================================================
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Affero General Public License for more details.
 *
 *   You should have received a copy of the GNU Affero General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.openanalytics.rsb.jaxrs;

import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.ext.ExceptionMapper;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Converts {@link Throwable} into HTTP responses.
 * 
 * @author "OpenAnalytics <rsb.development@openanalytics.eu>"
 */
public class ThrowableExceptionMapper implements ExceptionMapper<Throwable>
{
    private static final Log LOGGER = LogFactory.getLog(ThrowableExceptionMapper.class);

    public Response toResponse(final Throwable t)
    {
        LOGGER.error(t.getMessage(), t);

        return Response.status(Status.INTERNAL_SERVER_ERROR)
            .type(MediaType.TEXT_PLAIN)
            .entity(t.getMessage())
            .build();
    }
}