/*
* 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.trmk.vcloud_0_8.handlers;
import static org.jclouds.http.HttpUtils.releasePayload;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.annotation.Resource;
import javax.inject.Singleton;
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;
/**
* This will parse and set an appropriate exception on the command object.
*
* @author Adrian Cole
*
*/
@Singleton
public class ParseTerremarkVCloudErrorFromHttpResponse implements HttpErrorHandler {
@Resource
protected Logger logger = Logger.NULL;
public static final Pattern RESOURCE_PATTERN = Pattern.compile(".*/v[^/]+/([^/]+)/([0-9]+)");
public void handleError(HttpCommand command, HttpResponse response) {
Exception exception = new HttpResponseException(command, response);
try {
String content = parseErrorFromContentOrNull(command, response);
if (content != null)
exception = new HttpResponseException(command, response, content);
if (response.getMessage() != null
&& ((response.getMessage().indexOf("because there is a pending task running") != -1)
|| (response.getMessage().indexOf("because it is already powered off") != -1)
|| (response.getMessage().indexOf("exists") != -1)))
exception = new IllegalStateException(response.getMessage(), exception);
else if (response.getMessage() != null
&& ((response.getMessage().indexOf("There are no additional Public IPs available") != -1)))
exception = new InsufficientResourcesException(response.getMessage(), exception);
else
switch (response.getStatusCode()) {
case 400:
exception = new IllegalArgumentException(response.getMessage(), exception);
break;
case 401:
exception = new AuthorizationException(exception.getMessage(), exception);
break;
case 403: // TODO temporary as terremark mistakenly uses this for vApp
// not found.
case 404:
String path = command.getCurrentRequest().getEndpoint().getPath();
Matcher matcher = RESOURCE_PATTERN.matcher(path);
String message;
if (matcher.find()) {
message = String.format("%s %s not found", matcher.group(1), matcher.group(2));
} else {
message = path;
}
exception = new ResourceNotFoundException(message, exception);
break;
case 405:
exception = new UnsupportedOperationException(response.getMessage(), exception);
break;
case 501:
if (response.getMessage() != null && (response.getMessage().indexOf("NotImplemented") != -1))
exception = new UnsupportedOperationException(response.getMessage(), exception);
}
} finally {
releasePayload(response);
command.setException(exception);
}
}
String parseErrorFromContentOrNull(HttpCommand command, HttpResponse response) {
if (response.getPayload() != null) {
try {
return Strings2.toString(response.getPayload());
} catch (IOException e) {
logger.warn(e, "exception reading error from response", response);
}
}
return null;
}
}