upload File to a URL - Android Network

Android examples for Network:URL

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Description

upload File to a URL

Demo Code


import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.content.Context;

public class Main {

  public static boolean uploadFile(Context context, String filePath, String fileName, String requestMethod) {
    boolean isUpload = false;
    try {//from www  .j  ava 2  s  .  co m
      File file = new File(filePath);

      if (!file.exists()) {
        return isUpload;
      } else {
        long fileSize = file.length();
        if (fileSize <= 0) {
          return isUpload;
        }
      }
      URL url = new URL(getURL() + "/" + requestMethod);
      HttpURLConnection conn = (HttpURLConnection) url.openConnection();
      conn.setDoInput(true);
      conn.setDoOutput(true);
      conn.setUseCaches(false);
      conn.setRequestMethod("POST");
      conn.setRequestProperty("Connection", "Keep-Alive");
      conn.setRequestProperty("Charset", "UTF-8");
      conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + "******");
      DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
      dos.writeBytes("--******\r\n");
      dos.writeBytes("Content-Disposition: form-data; name=\"file\"; filename=\"" + fileName + "\"" + "\r\n");
      dos.writeBytes("\r\n");
      FileInputStream fis = new FileInputStream(filePath);
      byte[] buffer = new byte[8192]; // 8k
      int count = 0;
      while ((count = fis.read(buffer)) != -1) {
        dos.write(buffer, 0, count);
      }
      fis.close();
      dos.writeBytes("\r\n");
      dos.writeBytes("--******--\r\n");
      dos.flush();
      if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
        isUpload = true;

      } else {
      }
    } catch (MalformedURLException e) {
    } catch (IOException e) {
    }
    return isUpload;
  }

  public static native String getURL();
}

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