org.jclouds.aws.ec2.xml.AttachmentHandler Maven / Gradle / Ivy

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jclouds Core components to access Amazon AWS
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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. 
 *
 * ====================================================================
 * Licensed 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.ec2.xml;

import java.util.Date;

import javax.annotation.Resource;
import javax.inject.Inject;

import org.jclouds.aws.Region;
import org.jclouds.aws.ec2.domain.Attachment;
import org.jclouds.aws.ec2.util.EC2Utils;
import org.jclouds.date.DateService;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.logging.Logger;

/**
 * 
 * @author Adrian Cole
 */
public class AttachmentHandler extends ParseSax.HandlerForGeneratedRequestWithResult {
   private StringBuilder currentText = new StringBuilder();

   @Resource
   protected Logger logger = Logger.NULL;
   @Inject
   protected DateService dateService;
   @Inject
   @Region
   String defaultRegion;
   private String volumeId;
   private String instanceId;
   private String device;
   private Attachment.Status attachmentStatus;
   private Date attachTime;

   public Attachment getResult() {
      String region = EC2Utils.findRegionInArgsOrNull(getRequest());
      if (region == null)
         region = defaultRegion;
      return new Attachment(region, volumeId, instanceId, device, attachmentStatus, attachTime);
   }

   public void endElement(String uri, String name, String qName) {
      if (qName.equals("volumeId")) {
         volumeId = currentText.toString().trim();
      } else if (qName.equals("volumeId")) {
         volumeId = currentText.toString().trim();
      } else if (qName.equals("status")) {
         attachmentStatus = Attachment.Status.fromValue(currentText.toString().trim());
      } else if (qName.equals("instanceId")) {
         instanceId = currentText.toString().trim();
      } else if (qName.equals("device")) {
         device = currentText.toString().trim();
      } else if (qName.equals("attachTime")) {
         attachTime = dateService.iso8601DateParse(currentText.toString().trim());
      }
      currentText = new StringBuilder();
   }

   public void characters(char ch[], int start, int length) {
      currentText.append(ch, start, length);
   }
}