/*
* 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.cloudwatch.handlers;
import static org.jclouds.http.HttpUtils.closeClientButKeepContentStream;
import static org.jclouds.http.HttpUtils.releasePayload;
import javax.inject.Inject;
import javax.inject.Provider;
import javax.inject.Singleton;
import com.google.common.annotations.Beta;
import org.jclouds.aws.AWSResponseException;
import org.jclouds.aws.domain.AWSError;
import org.jclouds.aws.xml.ErrorHandler;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.HttpResponseException;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.rest.InsufficientResourcesException;
/**
* @author Jeremy Whitlock
*/
@Beta
@Singleton
public class CloudWatchErrorHandler implements HttpErrorHandler {
private final ParseSax.Factory factory;
private final Provider<ErrorHandler> handlers;
@Inject
CloudWatchErrorHandler(ParseSax.Factory factory, Provider<ErrorHandler> handlers) {
this.factory = factory;
this.handlers = handlers;
}
@Override
public void handleError(HttpCommand command, HttpResponse response) {
Exception exception = new HttpResponseException(command, response);
try {
if (response.getPayload() != null) {
AWSError error = factory.create(handlers.get())
.parse(new String(closeClientButKeepContentStream(response)));
exception = refineException(new AWSResponseException(command, response, error));
}
} finally {
releasePayload(response);
command.setException(exception);
}
}
private Exception refineException(AWSResponseException in) {
int statusCode = in.getResponse().getStatusCode();
String errorCode = in.getError().getCode();
String message = in.getError().getMessage();
if (statusCode == 400) {
if ("LimitExceeded".equals(errorCode)) {
return new InsufficientResourcesException(message, in);
} else if ("InvalidFormat".equals(errorCode)) {
return new IllegalArgumentException(message, in);
}
}
return in;
}
}