/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.jclouds.vcloud.director.v1_5.handlers;
import static org.jclouds.http.HttpUtils.closeClientButKeepContentStream;
import java.io.ByteArrayInputStream;
import javax.inject.Singleton;
import javax.xml.bind.JAXB;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.HttpResponseException;
import org.jclouds.rest.AuthorizationException;
import org.jclouds.rest.ResourceNotFoundException;
import org.jclouds.vcloud.director.v1_5.VCloudDirectorException;
import org.jclouds.vcloud.director.v1_5.VCloudDirectorMediaType;
import org.jclouds.vcloud.director.v1_5.domain.Error;
import com.google.common.base.Throwables;
/**
* This will parse and set an appropriate exception on the command object.
*/
@Singleton
public class VCloudDirectorErrorHandler implements HttpErrorHandler {
@Override
public void handleError(HttpCommand command, HttpResponse response) {
// it is important to always read fully and close streams
byte[] data = closeClientButKeepContentStream(response);
// Create default exception
String message = data != null
? new String(data)
: String.format("%s -> %s", command.getCurrentRequest().getRequestLine(), response.getStatusLine());
Exception exception = new HttpResponseException(command, response, message);
// Try to create a VCloudDirectorException from XML payload, if it exists
if (response.getPayload() != null && response.getPayload().getContentMetadata().getContentType().startsWith(VCloudDirectorMediaType.ERROR)) {
try {
Error error = JAXB.unmarshal(new ByteArrayInputStream(data), Error.class);
exception = new VCloudDirectorException(error);
message = error.getMessage();
} catch (Exception e) {
Throwables.propagate(e);
}
}
// Create custom exception for error codes we know about
if (response.getStatusCode() == 401) {
exception = new AuthorizationException(message, exception);
} else if (response.getStatusCode() == 403 || response.getStatusCode() == 404) {
exception = new ResourceNotFoundException(message, exception);
}
command.setException(exception);
}
}