/*
* 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.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.Inject;
import javax.inject.Singleton;
import org.jclouds.http.HttpCommand;
import org.jclouds.http.HttpErrorHandler;
import org.jclouds.http.HttpRequest;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.HttpResponseException;
import org.jclouds.logging.Logger;
import org.jclouds.rest.AuthorizationException;
import org.jclouds.rest.ResourceNotFoundException;
import org.jclouds.util.Strings2;
import org.jclouds.vcloud.VCloudResponseException;
import org.jclouds.vcloud.domain.VCloudError;
import org.jclouds.vcloud.domain.VCloudError.MinorCode;
import org.jclouds.vcloud.util.VCloudUtils;
/**
* This will parse and set an appropriate exception on the command object.
*/
@Singleton
public class ParseVCloudErrorFromHttpResponse implements HttpErrorHandler {
@Resource
protected Logger logger = Logger.NULL;
public static final Pattern RESOURCE_PATTERN = Pattern.compile(".*/v[^/]+/([^/]+)/([0-9]+)");
private final VCloudUtils utils;
@Inject
public ParseVCloudErrorFromHttpResponse(VCloudUtils utils) {
this.utils = utils;
}
public void handleError(HttpCommand command, HttpResponse response) {
HttpRequest request = command.getCurrentRequest();
Exception exception = new HttpResponseException(command, response);
try {
VCloudError error = null;
String message = null;
if (response.getPayload() != null) {
try {
error = utils.parseErrorFromContent(request, response);
if (error != null) {
message = error.getMessage();
exception = new VCloudResponseException(command, response, error);
} else {
message = Strings2.toStringAndClose(response.getPayload().openStream());
exception = message != null ? new HttpResponseException(command, response, message) : exception;
}
} catch (IOException e) {
} finally {
response.getPayload().release();
}
}
message = message != null ? message : String.format("%s -> %s", request.getRequestLine(), response
.getStatusLine());
switch (response.getStatusCode()) {
case 400:
if (error != null
&& ((error.getMinorErrorCode() != null && error.getMinorErrorCode() == MinorCode.BUSY_ENTITY)
|| (error.getMessage() != null && error.getMessage().indexOf("is not running") != -1)))
exception = new IllegalStateException(message, exception);
else
exception = new IllegalArgumentException(message, exception);
break;
case 401:
case 403:
if (error != null
&& ((error.getMinorErrorCode() != null && error.getMinorErrorCode() == MinorCode.ACCESS_TO_RESOURCE_IS_FORBIDDEN)
|| (error.getMessage() != null && error.getMessage().indexOf("No access to entity") != -1)))
exception = new ResourceNotFoundException(message, exception);
else
exception = new AuthorizationException(exception.getMessage(), exception);
break;
case 404:
if (!command.getCurrentRequest().getMethod().equals("DELETE")) {
String path = command.getCurrentRequest().getEndpoint().getPath();
Matcher matcher = RESOURCE_PATTERN.matcher(path);
if (matcher.find()) {
message = String.format("%s %s not found", matcher.group(1), matcher.group(2));
} else {
message = path;
}
exception = new ResourceNotFoundException(message);
}
break;
}
} finally {
releasePayload(response);
command.setException(exception);
}
}
}