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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.so.client;
import java.util.Optional;
import javax.ws.rs.BadRequestException;
import javax.ws.rs.ForbiddenException;
import javax.ws.rs.InternalServerErrorException;
import javax.ws.rs.NotAcceptableException;
import javax.ws.rs.NotAllowedException;
import javax.ws.rs.NotAuthorizedException;
import javax.ws.rs.NotFoundException;
import javax.ws.rs.NotSupportedException;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public abstract class ResponseExceptionMapper {
private static final Logger logger = LoggerFactory.getLogger(ResponseExceptionMapper.class);
public void map(Response response) {
if (response.getStatus() >= 300) {
String body = "";
String message = "empty message";
try {
response.bufferEntity();
if (response.hasEntity()) {
body = response.readEntity(String.class);
}
} catch (IllegalStateException e) {
body = "failed to read entity stream";
logger.error(body, e);
} catch (ProcessingException e) {
body = "could not buffer stream";
logger.error(body, e);
}
Optional<String> result = this.extractMessage(body);
if (result.isPresent()) {
message = result.get();
}
Response.Status status = Response.Status.fromStatusCode(response.getStatus());
WebApplicationException webAppException;
switch (status) {
case BAD_REQUEST:
webAppException = new BadRequestException(message);
break;
case UNAUTHORIZED:
webAppException = new NotAuthorizedException(message);
break;
case FORBIDDEN:
webAppException = new ForbiddenException(message);
break;
case NOT_FOUND:
webAppException = new NotFoundException(message);
break;
case METHOD_NOT_ALLOWED:
webAppException = new NotAllowedException(message);
break;
case NOT_ACCEPTABLE:
webAppException = new NotAcceptableException(message);
break;
case PRECONDITION_FAILED:
webAppException = new PreconditionFailedException(message);
break;
case UNSUPPORTED_MEDIA_TYPE:
webAppException = new NotSupportedException(message);
break;
case INTERNAL_SERVER_ERROR:
webAppException = new InternalServerErrorException(message);
break;
case SERVICE_UNAVAILABLE:
webAppException = new WebApplicationException(message);
break;
default:
webAppException = new WebApplicationException(message);
}
throw webAppException;
}
}
public abstract Optional<String> extractMessage(String entity);
}
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