001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.util;
016    
017    import com.liferay.portal.kernel.util.OSDetector;
018    import com.liferay.portal.kernel.util.StringBundler;
019    import com.liferay.portal.kernel.util.StringPool;
020    import com.liferay.portal.kernel.util.Validator;
021    
022    import java.net.HttpURLConnection;
023    import java.net.URL;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     */
028    public class BrowserLauncher implements Runnable {
029    
030            @Override
031            public void run() {
032                    if (Validator.isNull(PropsValues.BROWSER_LAUNCHER_URL)) {
033                            return;
034                    }
035    
036                    for (int i = 0; i < 5; i++) {
037                            try {
038                                    Thread.sleep(3000);
039                            }
040                            catch (InterruptedException ie) {
041                            }
042    
043                            try {
044                                    URL url = new URL(PropsValues.BROWSER_LAUNCHER_URL);
045    
046                                    HttpURLConnection urlc =
047                                            (HttpURLConnection)url.openConnection();
048    
049                                    int responseCode = urlc.getResponseCode();
050    
051                                    if (responseCode == HttpURLConnection.HTTP_OK) {
052                                            try {
053                                                    launchBrowser();
054                                            }
055                                            catch (Exception e2) {
056                                            }
057    
058                                            break;
059                                    }
060                            }
061                            catch (Exception e1) {
062                            }
063                    }
064            }
065    
066            protected void launchBrowser() throws Exception {
067                    Runtime runtime = Runtime.getRuntime();
068    
069                    if (OSDetector.isApple()) {
070                            launchBrowserApple(runtime);
071                    }
072                    else if (OSDetector.isWindows()) {
073                            launchBrowserWindows(runtime);
074                    }
075                    else {
076                            launchBrowserUnix(runtime);
077                    }
078            }
079    
080            protected void launchBrowserApple(Runtime runtime) throws Exception {
081                    runtime.exec("open " + PropsValues.BROWSER_LAUNCHER_URL);
082            }
083    
084            protected void launchBrowserUnix(Runtime runtime) throws Exception {
085                    if (_BROWSERS.length == 0) {
086                            runtime.exec(new String[] {"sh", "-c", StringPool.BLANK});
087                    }
088    
089                    StringBundler sb = new StringBundler(_BROWSERS.length * 5 - 1);
090    
091                    for (int i = 0; i < _BROWSERS.length; i++) {
092                            if (i != 0) {
093                                    sb.append(" || ");
094                            }
095    
096                            sb.append(_BROWSERS[i]);
097                            sb.append(" \"");
098                            sb.append(PropsValues.BROWSER_LAUNCHER_URL);
099                            sb.append("\" ");
100                    }
101    
102                    runtime.exec(new String[] {"sh", "-c", sb.toString()});
103            }
104    
105            protected void launchBrowserWindows(Runtime runtime) throws Exception {
106                    runtime.exec("cmd.exe /c start " + PropsValues.BROWSER_LAUNCHER_URL);
107            }
108    
109            private static final String[] _BROWSERS = {
110                    "firefox", "mozilla", "konqueror", "opera"
111            };
112    
113    }