upload File Range - Android Network

Android examples for Network:File Upload

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Description

upload File Range

Demo Code

import java.io.DataOutputStream;
import java.io.RandomAccessFile;
import java.net.HttpURLConnection;
import java.net.URI;

import android.util.Log;

public class Main {
  private static final String TAG = "";

  public static boolean uploadFileRange(URI uri, java.io.File targetFile, long start, long end) {
    boolean result = false;

    HttpURLConnection conn = null;
    DataOutputStream os = null;/*from   ww w.  ja  va2s  .co  m*/
    try {
      final int bufferSize = 1024 * 64;
      byte[] buffer = new byte[bufferSize];
      long totalBytesToRead = end - start, totalBytesRead = 0;
      RandomAccessFile raf = new RandomAccessFile(targetFile, "r");
      int readSize;
      conn = (HttpURLConnection) uri.toURL().openConnection();
      conn.setDoInput(true);
      conn.setDoOutput(true);
      conn.setUseCaches(false);

      // Use a post method.
      conn.setRequestMethod("POST");
      conn.setRequestProperty("Connection", "Keep-Alive");
      conn.setRequestProperty("Content-Type", "multipart/mixed");
      conn.setRequestProperty("Range", start + "-" + end);

      os = new DataOutputStream(conn.getOutputStream());

      try {
        raf.seek(start);
        do {
          readSize = raf.read(buffer, 0, bufferSize);
          if (readSize > 0) {
            os.write(buffer, 0, readSize);
          }
          totalBytesRead += readSize;
          if (totalBytesRead >= totalBytesToRead) {
            break;
          }
        } while (readSize > 0);
      } catch (Exception e) {
        result = false;
        Log.e(TAG, e.getMessage(), e);
      } finally {
        raf.close();
      }
      os.flush();
      os.close();
    } catch (Exception e) {
      result = false;
      Log.e(TAG, e.getMessage(), e);
    } finally {
      try {
        if (conn.getResponseCode() / 100 == 2) {
          result = true;
        }
      } catch (Exception e) {
        Log.e(TAG, e.getMessage(), e);
        result = false;
      }
      conn.disconnect();
    }

    return result;
  }
}

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