Java JProgressBar excutePost(String targetURL, String urlParameters, JProgressBar progress)

Description

excute Post

License

Open Source License

Declaration

public static String excutePost(String targetURL, String urlParameters,
            JProgressBar progress) 

Method Source Code

//package com.java2s;
/*//  ww w  .j a va  2  s. co  m
 * This file is part of Spoutcraft Launcher (http://www.spout.org/).
 *
 * Spoutcraft Launcher is licensed under the SpoutDev License Version 1.
 *
 * Spoutcraft Launcher is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * In addition, 180 days after any changes are published, you can use the
 * software, incorporating those changes, under the terms of the MIT license,
 * as described in the SpoutDev License Version 1.
 *
 * Spoutcraft Launcher is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License,
 * the MIT license and the SpoutDev license version 1 along with this program.
 * If not, see <http://www.gnu.org/licenses/> for the GNU Lesser General Public
 * License and see <http://www.spout.org/SpoutDevLicenseV1.txt> for the full license,
 * including the MIT license.
 */

import java.io.BufferedReader;

import java.io.DataOutputStream;

import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;

import java.net.HttpURLConnection;
import javax.swing.JProgressBar;

public class Main {
    public static String excutePost(String targetURL, String urlParameters,
            JProgressBar progress) {
        HttpURLConnection connection = null;

        if (targetURL.startsWith("https://login.minecraft.net")) {
            targetURL = "http://session.minecraft.net/game/getversion.jsp";
        }

        try {
            URL url = new URL(targetURL);
            connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("POST");
            connection.setRequestProperty("Content-Type",
                    "application/x-www-form-urlencoded");

            connection.setRequestProperty("Content-Length",
                    Integer.toString(urlParameters.getBytes().length));
            connection.setRequestProperty("Content-Language", "en-US");

            connection.setUseCaches(false);
            connection.setDoInput(true);
            connection.setDoOutput(true);

            connection.setConnectTimeout(10000);

            connection.connect();

            DataOutputStream wr = new DataOutputStream(
                    connection.getOutputStream());
            wr.writeBytes(urlParameters);
            wr.flush();
            wr.close();

            InputStream is = connection.getInputStream();
            BufferedReader rd = new BufferedReader(
                    new InputStreamReader(is));

            StringBuilder response = new StringBuilder();
            String line;
            while ((line = rd.readLine()) != null) {
                response.append(line);
                response.append('\r');
            }
            rd.close();

            return response.toString();
        } catch (Exception e) {
            String message = "Login failed...";
            progress.setString(message);
        } finally {
            if (connection != null) {
                connection.disconnect();
            }
        }
        return null;
    }
}

Related

1. createJProgressBar(String title)
2. createPanel(String message, JProgressBar progressBar)
3. createProgressBar()
4. generateProgressBarFor(Object... objs)
5. incProgressBar(JProgressBar jpb)
6. printProgress(JProgressBar prBar, int progressValue)
7. SetProgressBar(JProgressBar jpb)