001    /**
002     * Copyright (c) 2000-2012 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            public void run() {
031                    if (Validator.isNull(PropsValues.BROWSER_LAUNCHER_URL)) {
032                            return;
033                    }
034    
035                    for (int i = 0; i < 5; i++) {
036                            try {
037                                    Thread.sleep(3000);
038                            }
039                            catch (InterruptedException ie) {
040                            }
041    
042                            try {
043                                    URL url = new URL(PropsValues.BROWSER_LAUNCHER_URL);
044    
045                                    HttpURLConnection urlc =
046                                            (HttpURLConnection)url.openConnection();
047    
048                                    int responseCode = urlc.getResponseCode();
049    
050                                    if (responseCode == HttpURLConnection.HTTP_OK) {
051                                            try {
052                                                    launchBrowser();
053                                            }
054                                            catch (Exception e2) {
055                                            }
056    
057                                            break;
058                                    }
059                            }
060                            catch (Exception e1) {
061                            }
062                    }
063            }
064    
065            protected void launchBrowser() throws Exception {
066                    Runtime runtime = Runtime.getRuntime();
067    
068                    if (OSDetector.isApple()) {
069                            launchBrowserApple(runtime);
070                    }
071                    else if (OSDetector.isWindows()) {
072                            launchBrowserWindows(runtime);
073                    }
074                    else {
075                            launchBrowserUnix(runtime);
076                    }
077            }
078    
079            protected void launchBrowserApple(Runtime runtime) throws Exception {
080                    runtime.exec("open " + PropsValues.BROWSER_LAUNCHER_URL);
081            }
082    
083            protected void launchBrowserUnix(Runtime runtime) throws Exception {
084                    if (_BROWSERS.length == 0) {
085                            runtime.exec(new String[] {"sh", "-c", StringPool.BLANK});
086                    }
087    
088                    StringBundler sb = new StringBundler(_BROWSERS.length * 5 - 1);
089    
090                    for (int i = 0; i < _BROWSERS.length; i++) {
091                            if (i != 0) {
092                                    sb.append(" || ");
093                            }
094    
095                            sb.append(_BROWSERS[i]);
096                            sb.append(" \"");
097                            sb.append(PropsValues.BROWSER_LAUNCHER_URL);
098                            sb.append("\" ");
099                    }
100    
101                    runtime.exec(new String[] {"sh", "-c", sb.toString()});
102            }
103    
104            protected void launchBrowserWindows(Runtime runtime) throws Exception {
105                    runtime.exec("cmd.exe /c start " + PropsValues.BROWSER_LAUNCHER_URL);
106            }
107    
108            private static final String[] _BROWSERS = {
109                    "firefox", "mozilla", "konqueror", "opera"
110            };
111    
112    }