001    /**
002     * Copyright (c) 2000-present 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.kernel.servlet;
016    
017    import com.liferay.portal.kernel.util.CharPool;
018    import com.liferay.portal.kernel.util.ClassUtil;
019    
020    /**
021     * @author Brian Wing Shun Chan
022     */
023    public class WebDirDetector {
024    
025            public static String getLibDir(ClassLoader classLoader) {
026                    String libDir = ClassUtil.getParentPath(
027                            classLoader, "com.liferay.util.bean.PortletBeanLocatorUtil");
028    
029                    if (libDir.endsWith("/WEB-INF/classes/")) {
030                            return libDir.substring(0, libDir.length() - 8) + "lib/";
031                    }
032    
033                    int pos = libDir.indexOf("/WEB-INF/lib/");
034    
035                    if (pos != -1) {
036                            return libDir.substring(0, pos) + "/WEB-INF/lib/";
037                    }
038    
039                    if (libDir.endsWith(".jar!/")) {
040                            pos = libDir.lastIndexOf(CharPool.SLASH, libDir.length() - 7);
041    
042                            if (pos != -1) {
043                                    return libDir.substring(0, pos + 1);
044                            }
045                    }
046    
047                    return libDir;
048            }
049    
050            public static String getRootDir(ClassLoader classLoader) {
051                    return getRootDir(getLibDir(classLoader));
052            }
053    
054            public static String getRootDir(String libDir) {
055                    String rootDir = libDir;
056    
057                    if (rootDir.endsWith("/WEB-INF/lib/")) {
058                            rootDir = rootDir.substring(0, rootDir.length() - 12);
059                    }
060    
061                    return rootDir;
062            }
063    
064    }