Data Send Utils : Http Connection « Network « Android

1. Android
2. Network
3. Http Connection

Data Send Utils

     
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.LinkedList;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;

import android.util.Base64;
import android.util.Log;

/**
 * Send Data Utils
 * 
 * @author wpc
 * 
 */
public class DataSendUtils {

  public static boolean httpPost(String pathToOurFile, String urlServer,
      String formName) {

    HttpURLConnection connection = null;
    DataOutputStream outputStream = null;

    String lineEnd = "\r\n";
    String twoHyphens = "--";
    String boundary = "*****";

    int bytesRead, bytesAvailable, bufferSize;
    byte[] buffer;
    int maxBufferSize = 1 * 1024 * 1024;

    boolean sendSuccess = true;

    try {
      FileInputStream fileInputStream = new FileInputStream(new File(
          pathToOurFile));

      URL url = new URL(urlServer);
      connection = (HttpURLConnection) url.openConnection();

      // Allow Inputs & Outputs
      connection.setDoInput(true);
      connection.setDoOutput(true);
      connection.setUseCaches(false);

      // Enable POST method
      connection.setRequestMethod("POST");

      connection.setRequestProperty("Connection", "Keep-Alive");
      connection.setRequestProperty("Content-Type",
          "multipart/form-data;boundary=" + boundary);

      outputStream = new DataOutputStream(connection.getOutputStream());
      outputStream.writeBytes(twoHyphens + boundary + lineEnd);
      outputStream.flush();
      outputStream.writeBytes("Content-Disposition: form-data; name=\""
          + formName + "\";filename=\"" + pathToOurFile + "\""
          + lineEnd);
      outputStream.flush();
      outputStream.writeBytes(lineEnd);
      outputStream.flush();

      bytesAvailable = fileInputStream.available();
      bufferSize = Math.min(bytesAvailable, maxBufferSize);
      buffer = new byte[bufferSize];

      // Read file
      bytesRead = fileInputStream.read(buffer, 0, bufferSize);

      while (bytesRead > 0) {
        outputStream.write(buffer, 0, bufferSize);
        outputStream.flush();
        bytesAvailable = fileInputStream.available();
        bufferSize = Math.min(bytesAvailable, maxBufferSize);
        bytesRead = fileInputStream.read(buffer, 0, bufferSize);
      }

      outputStream.writeBytes(lineEnd);
      outputStream.flush();
      outputStream.writeBytes(twoHyphens + boundary + twoHyphens
          + lineEnd);
      outputStream.flush();
      fileInputStream.close();
      outputStream.close();

      connection.getResponseCode();
      connection.getResponseMessage();

    } catch (Exception ex) {
      sendSuccess = false;
    } finally {
      connection.disconnect();
    }
    return sendSuccess;
  }

  /**
   * TODO FIX Check the file length, it's long not int.This may lead the
   * problem.
   * 
   * @param fileName
   * @param url
   * @return
   */
  public static boolean httpPostBase64(String fileName, String url,
      String formKey, String inputName) {
    try {
      File file = new File(fileName);
      FileInputStream in = new FileInputStream(file);
      byte[] buffer = new byte[(int) file.length() + 100];
      int length = in.read(buffer);
      String data = Base64.encodeToString(buffer, 0, length,Base64.DEFAULT);

      HttpPost httpRequest = new HttpPost(url);
      List<NameValuePair> params = new LinkedList<NameValuePair>();
      params.add(new BasicNameValuePair("hl", "en_GB"));
      params.add(new BasicNameValuePair("formkey", formKey));
      params.add(new BasicNameValuePair(inputName, data));
      httpRequest.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
      HttpResponse httpResponse = new DefaultHttpClient()
          .execute(httpRequest);
      if (httpResponse.getStatusLine().getStatusCode() != 200) {
        Log.d("HTTP Response:", url);
        Log.d("HTTP Response Code", httpResponse.getStatusLine()
            .toString());
        return false;
      }
    } catch (Exception e) {
      return false;
    }
    return true;
  }
}

   
    
    
    
    
  

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