| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.util; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Inject; |
| import javax.inject.Provider; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.http.HttpRequest; |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.http.functions.ParseSax; |
| import org.jclouds.http.functions.ParseSax.Factory; |
| import org.jclouds.logging.Logger; |
| import org.jclouds.vcloud.VCloudMediaType; |
| import org.jclouds.vcloud.domain.VCloudError; |
| import org.jclouds.vcloud.xml.ErrorHandler; |
| |
| /** |
| * Needed to sign and verify requests and responses. |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class VCloudUtils { |
| private final ParseSax.Factory factory; |
| private final Provider<ErrorHandler> errorHandlerProvider; |
| @Resource |
| protected Logger logger = Logger.NULL; |
| |
| @Inject |
| VCloudUtils(Factory factory, Provider<ErrorHandler> errorHandlerProvider) { |
| this.factory = factory; |
| this.errorHandlerProvider = errorHandlerProvider; |
| } |
| |
| public VCloudError parseErrorFromContent(HttpRequest request, HttpResponse response) { |
| // HEAD has no content |
| if (response.getPayload() == null) |
| return null; |
| if (VCloudMediaType.ERROR_XML.equals(response.getPayload().getContentMetadata().getContentType())) { |
| try { |
| return (VCloudError) factory.create(errorHandlerProvider.get()).setContext(request).apply(response); |
| } catch (RuntimeException e) { |
| logger.warn(e, "error parsing error"); |
| } |
| } |
| return null; |
| } |
| } |