content: /*
   * 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 com.aliyun.oss.common.comm;
  
  import java.io.BufferedInputStream;
  import java.io.InputStream;
  import java.util.Map;
  
  import com.aliyun.oss.ClientException;
  import com.aliyun.oss.OSSException;
  import com.aliyun.oss.common.utils.HttpHeaders;
  import com.aliyun.oss.event.ProgressInputStream;
  import com.aliyun.oss.event.ProgressListener;
  import com.aliyun.oss.model.WebServiceRequest;
  
  import static com.aliyun.oss.event.ProgressPublisher.publishRequestContentLength;
  import static com.aliyun.oss.common.utils.LogUtils.logException;
  
  public class RequestProgressHanlder implements RequestHandler {
  
      @Override
      public void handle(RequestMessage request) throws OSSException, ClientException {
  
          final WebServiceRequest originalRequest = request.getOriginalRequest();
          final ProgressListener listener = originalRequest.getProgressListener();
          Map<String, String> headers = request.getHeaders();
          String s = headers.get(HttpHeaders.CONTENT_LENGTH);
          if (s != null) {
              try {
                  long contentLength = Long.parseLong(s);
                  publishRequestContentLength(listener, contentLength);
              } catch (NumberFormatException e) {
                  logException("Cannot parse the Content-Length header of the request: ", e);
              }
          }
  
          InputStream content = request.getContent();
          if (content == null) {
              return;
          }
          if (!content.markSupported()) {
              content = new BufferedInputStream(content);
          }
          request.setContent(listener == ProgressListener.NOOP ? content
                  : ProgressInputStream.inputStreamForRequest(content, originalRequest));
      }
  
  }
  