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/*
 * 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.s3.xml;

import static org.jclouds.util.SaxUtils.currentOrNull;

import java.util.Date;

import jakarta.inject.Inject;

import org.jclouds.date.DateService;
import org.jclouds.http.functions.ParseSax;
import org.jclouds.s3.domain.ObjectMetadata;
import org.jclouds.s3.domain.internal.CopyObjectResult;

/**
 * Parses the response from Amazon S3 COPY Object command.
 * 
 * CopyObjectResult is the document we expect to parse.
 */
public class CopyObjectHandler extends ParseSax.HandlerWithResult {

   private CopyObjectResult metadata;
   private StringBuilder currentText = new StringBuilder();
   @Inject
   private DateService dateParser;
   private Date currentLastModified;
   private String currentETag;

   public ObjectMetadata getResult() {
      return metadata;
   }

   public void endElement(String uri, String name, String qName) {
      if (qName.equals("ETag")) {
         this.currentETag = currentOrNull(currentText);
      } else if (qName.equals("LastModified")) {
         this.currentLastModified = dateParser
             .iso8601DateOrSecondsDateParse(currentOrNull(currentText));
      } else if (qName.equals("CopyObjectResult")) {
         metadata = new CopyObjectResult(currentLastModified, currentETag);
      }
      currentText.setLength(0);
   }

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