/*
* Copyright (C) 2013 Cumulocity GmbH
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.cumulocity.sdk.client;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.cumulocity.model.idtype.GId;
import com.cumulocity.rest.representation.ResourceRepresentation;
import com.cumulocity.rest.representation.ErrorMessageRepresentation;
import com.sun.jersey.api.client.ClientResponse;
public class ResponseParser {
public static final String NO_ERROR_REPRESENTATION = "Something went wrong. Failed to parse error message.";
private static final Logger LOG = LoggerFactory.getLogger(ResponseParser.class);
public <T extends ResourceRepresentation> T parse(ClientResponse response, int expectedStatusCode,
Class<T> type) throws SDKException {
checkStatus(response, expectedStatusCode);
return response.getEntity(type);
}
public void checkStatus(ClientResponse response, int expectedStatusCode) throws SDKException {
int status = response.getStatus();
if (status != expectedStatusCode) {
throw new SDKException(status, getErrorMessage(response, status));
}
}
private String getErrorMessage(ClientResponse response, int status) {
String errorMessage = "Http status code: " + status;
if (response.hasEntity()) {
ErrorMessageRepresentation errorRepresentation = getErrorRepresentation(response);
if (errorRepresentation == null) {
return NO_ERROR_REPRESENTATION;
}
errorMessage += "\n" + errorRepresentation;
}
return errorMessage;
}
private ErrorMessageRepresentation getErrorRepresentation(ClientResponse response) {
try {
return response.getEntity(ErrorMessageRepresentation.class);
} catch (Exception e) {
LOG.error(NO_ERROR_REPRESENTATION, e);
return null;
}
}
public GId parseIdFromLocation(ClientResponse response) {
String path;
path = response.getLocation().getPath();
String[] pathParts = path.split("\\/");
String gid = pathParts[pathParts.length - 1];
return new GId(gid);
}
}