ConnectionSettings.java :  » UnTagged » moteve » com » moteve » mca » Android Open Source

package com.moteve.mca;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class ConnectionSettings extends Activity {

    private static final String TAG = "Moteve_ConnectionSettings";
    private static final String MCA_DESC = "Moteve Android 20100220";
    private static final String AUTH_ERROR = "AUTH_ERROR";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.config_connection);
  final Context ctx = this;

  final EditText serverUrlEdit = (EditText) findViewById(R.id.serverUrl);
  final EditText emailEdit = (EditText) findViewById(R.id.email);
  final EditText passwordEdit = (EditText) findViewById(R.id.password);
  final Button okButton = (Button) findViewById(R.id.saveConnectionConfig);

  SharedPreferences prefs = Main.getPrefs();
  serverUrlEdit.setText(prefs.getString("serverUrl", "http://moteve.com"));
  emailEdit.setText(prefs.getString("email", ""));
  passwordEdit.setText(prefs.getString("password", ""));

  okButton.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
    String serverUrl = serverUrlEdit.getText().toString();
    String email = emailEdit.getText().toString();
    String password = passwordEdit.getText().toString();
    saveParams(serverUrl, email, password);
    Toast.makeText(ctx, "Connecting to server", Toast.LENGTH_LONG).show();
    String token = registerDevice(serverUrl, email, password);
    if (token != null) {
        Editor editor = Main.getPrefs().edit();
        editor.putString("token", token);
        editor.commit();
        Toast.makeText(ctx, "Connection OK", Toast.LENGTH_SHORT).show();
        finish();
    } else {
        new AlertDialog.Builder(ctx).setMessage("Authentication failed").show();
    }
      }

      private void saveParams(String serverUrl, String email,
        String password) {
    Editor editor = Main.getPrefs().edit();
    editor.putString("serverUrl", serverUrl);
    editor.putString("email", email);
    editor.putString("password", password);
    editor.commit();
      }
  });
    }

    public String registerDevice(String serverUrl, String email,
      String password) {
  try {
      String regUrl = serverUrl + "/mca/register.htm";
      String authHeader = email + "\\" + password + "\\" + MCA_DESC;
      Log.i(TAG, "Registering device. URL=" + regUrl);
      URL url = new URL(regUrl);
      HttpURLConnection conn = (HttpURLConnection) url.openConnection();
      conn.setDoInput(true);
      conn.setDoOutput(true);
      conn.setUseCaches(false);
      conn.setRequestMethod("POST");
      conn.setRequestProperty("Cache-Control", "no-cache");
      conn.setRequestProperty("Pragma", "no-cache");
      // conn.setRequestProperty("Content-Type",
      // "application/octet-stream");
      conn.setRequestProperty("Moteve-Auth", authHeader);
      
      String token = ConnectionUtils.receiveResponse(conn);
      Log.i(TAG, "Obtained token='" + token + "'");
      conn.disconnect();

      if (token == null || AUTH_ERROR.equals(token)) {
    Log.e(TAG, "Authentication failed");
    return null;
      } else {
    Log.i(TAG, "Authentication successful");
    return token;
      }
  } catch (IOException e) {
      Log.e(TAG, "Authentication failed", e);
      return null;
  }
    }

}