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//--- BEGIN COPYRIGHT BLOCK ---
//This program is free software; you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation; version 2 of the License.
//
//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 General Public License for more details.
//
//You should have received a copy of the GNU General Public License along
//with this program; if not, write to the Free Software Foundation, Inc.,
//51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
//(C) 2014 Red Hat, Inc.
//All rights reserved.
//--- END COPYRIGHT BLOCK ---
package org.dogtagpki.server.rest;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.List;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.Provider;
import org.jboss.resteasy.core.ResourceMethodInvoker;
import com.netscape.certsrv.apps.CMS;
import com.netscape.cms.servlet.base.PKIService;
/**
* @author Endi S. Dewata
*/
@Provider
public class MessageFormatInterceptor implements ContainerRequestFilter {
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
ResourceMethodInvoker methodInvoker = (ResourceMethodInvoker) requestContext
.getProperty("org.jboss.resteasy.core.ResourceMethodInvoker");
Method method = methodInvoker.getMethod();
Class<?> clazz = methodInvoker.getResourceClass();
CMS.debug("MessageFormatInterceptor: " + clazz.getSimpleName() + "." + method.getName() + "()");
MediaType contentType = requestContext.getMediaType();
CMS.debug("MessageFormatInterceptor: content-type: " + contentType);
List<MediaType> acceptableFormats = requestContext.getAcceptableMediaTypes();
CMS.debug("MessageFormatInterceptor: accept: " + acceptableFormats);
MediaType requestFormat = null;
if (contentType != null) {
requestFormat = PKIService.resolveFormat(contentType);
CMS.debug("MessageFormatInterceptor: request format: " + requestFormat);
if (requestFormat == null) {
throw new WebApplicationException(Response.Status.UNSUPPORTED_MEDIA_TYPE);
}
}
MediaType responseFormat;
if (acceptableFormats == null || acceptableFormats.isEmpty()) {
// if the Accept header is missing
if (contentType == null) {
// and if the Content-type header is missing, use the default format
responseFormat = PKIService.MESSAGE_FORMATS.get(0);
} else {
// otherwise, use the Content-type header
responseFormat = requestFormat;
}
} else {
responseFormat = PKIService.resolveFormat(acceptableFormats);
}
CMS.debug("MessageFormatInterceptor: response format: " + responseFormat);
if (responseFormat == null) {
throw new WebApplicationException(Response.Status.NOT_ACCEPTABLE);
}
}
}
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