/*
* 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.aws.handlers;
import static org.jclouds.http.HttpUtils.closeClientButKeepContentStream;
import static org.jclouds.http.HttpUtils.releasePayload;
import java.io.IOException;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.aws.AWSResponseException;
import org.jclouds.aws.domain.AWSError;
import org.jclouds.aws.util.AWSUtils;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.HttpResponseException;
import org.jclouds.logging.Logger;
import org.jclouds.rest.AuthorizationException;
import org.jclouds.rest.InsufficientResourcesException;
import org.jclouds.rest.ResourceNotFoundException;
import org.jclouds.util.Strings2;
import com.google.common.annotations.VisibleForTesting;
/**
* This will parse and set an appropriate exception on the command object.
*
* @see AWSError
* @author Adrian Cole
*
*/
@Singleton
public class ParseAWSErrorFromXmlContent implements HttpErrorHandler {
@Resource
protected Logger logger = Logger.NULL;
@VisibleForTesting
final AWSUtils utils;
@Inject
public ParseAWSErrorFromXmlContent(AWSUtils utils) {
this.utils = utils;
}
public void handleError(HttpCommand command, HttpResponse response) {
Exception exception = new HttpResponseException(command, response);
try {
AWSError error = null;
// it is important to always read fully and close streams
byte[] data = closeClientButKeepContentStream(response);
String message = data != null ? new String(data) : null;
if (response.getPayload() != null) {
String contentType = response.getPayload().getContentMetadata().getContentType();
if (contentType != null && (contentType.indexOf("xml") != -1 || contentType.indexOf("unknown") != -1)) {
error = utils.parseAWSErrorFromContent(command.getCurrentRequest(), response);
if (error != null) {
message = error.getMessage();
exception = new AWSResponseException(command, response, error);
} else {
exception = new HttpResponseException(command, response, message);
}
} else {
try {
message = Strings2.toString(response.getPayload());
exception = new HttpResponseException(command, response, message);
} catch (IOException e) {
}
}
}
message = message != null ? message : String.format("%s -> %s", command.getCurrentRequest().getRequestLine(),
response.getStatusLine());
exception = refineException(command, response, exception, error, message);
} finally {
releasePayload(response);
command.setException(exception);
}
}
protected Exception refineException(HttpCommand command, HttpResponse response, Exception exception, AWSError error,
String message) {
String errorCode = (error != null && error.getCode() != null) ? error.getCode() : null;
switch (response.getStatusCode()) {
case 400:
if ("UnsupportedOperation".equals(errorCode))
exception = new UnsupportedOperationException(message, exception);
else if ("AddressLimitExceeded".equals(errorCode))
exception = new InsufficientResourcesException(message, exception);
else if ("TooManyBuckets".equals(errorCode))
exception = new InsufficientResourcesException(message, exception);
else if (errorCode != null && (errorCode.indexOf("NotFound") != -1 || errorCode.endsWith(".Unknown")))
exception = new ResourceNotFoundException(message, exception);
else if ("IncorrectState".equals(errorCode)
|| (errorCode != null && (error.getCode().endsWith(".Duplicate") || error.getCode().endsWith(
".InUse")))
|| (message != null && (message.indexOf("already exists") != -1 || message.indexOf("is in use") != -1)))
exception = new IllegalStateException(message, exception);
else if (errorCode != null && errorCode.indexOf("AuthFailure") != -1)
exception = new AuthorizationException(message, exception);
else if (message != null
&& (message.indexOf("Invalid id") != -1 || message.indexOf("Failed to bind") != -1))
exception = new IllegalArgumentException(message, exception);
break;
case 401:
case 403:
exception = new AuthorizationException(message, exception);
break;
case 404:
if (!command.getCurrentRequest().getMethod().equals("DELETE")) {
exception = new ResourceNotFoundException(message, exception);
}
break;
case 409:
exception = new IllegalStateException(message, exception);
}
return exception;
}
}