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.kernel.deploy.hot;
016    
017    import com.liferay.portal.kernel.deploy.DeployManagerUtil;
018    import com.liferay.portal.kernel.log.Log;
019    import com.liferay.portal.kernel.log.LogFactoryUtil;
020    import com.liferay.portal.kernel.plugin.PluginPackage;
021    import com.liferay.portal.kernel.util.ArrayUtil;
022    import com.liferay.portal.kernel.util.PortalLifecycle;
023    import com.liferay.portal.kernel.util.PropertiesUtil;
024    import com.liferay.portal.kernel.util.StringUtil;
025    
026    import java.io.IOException;
027    import java.io.InputStream;
028    
029    import java.util.List;
030    import java.util.Properties;
031    import java.util.Queue;
032    import java.util.Set;
033    import java.util.TreeSet;
034    import java.util.concurrent.ConcurrentLinkedQueue;
035    
036    import javax.servlet.ServletContext;
037    
038    /**
039     * @author Ivica Cardic
040     * @author Brian Wing Shun Chan
041     * @author Raymond Aug??
042     * @author Miguel Pastor
043     */
044    public class HotDeployEvent {
045    
046            public HotDeployEvent(
047                    ServletContext servletContext, ClassLoader contextClassLoader) {
048    
049                    _servletContext = servletContext;
050                    _contextClassLoader = contextClassLoader;
051    
052                    try {
053                            initDependentServletContextNames();
054                    }
055                    catch (IOException ioe) {
056                            _log.error(ioe, ioe);
057                    }
058            }
059    
060            public void addPortalLifecycle(PortalLifecycle portalLifecycle) {
061                    _portalLifecycles.add(portalLifecycle);
062            }
063    
064            public void flushInits() {
065                    for (PortalLifecycle portalLifecycle : _portalLifecycles) {
066                            portalLifecycle.portalInit();
067                    }
068    
069                    _portalLifecycles.clear();
070            }
071    
072            public ClassLoader getContextClassLoader() {
073                    return _contextClassLoader;
074            }
075    
076            public Set<String> getDependentServletContextNames() {
077                    return _dependentServletContextNames;
078            }
079    
080            public PluginPackage getPluginPackage() {
081                    return _pluginPackage;
082            }
083    
084            public ServletContext getServletContext() {
085                    return _servletContext;
086            }
087    
088            public String getServletContextName() {
089                    return _servletContext.getServletContextName();
090            }
091    
092            public void setPluginPackage(PluginPackage pluginPackage) {
093                    _pluginPackage = pluginPackage;
094            }
095    
096            protected void initDependentServletContextNames() throws IOException {
097                    if (!DependencyManagementThreadLocal.isEnabled()) {
098                            return;
099                    }
100    
101                    List<String[]> levelsRequiredDeploymentContexts =
102                            DeployManagerUtil.getLevelsRequiredDeploymentContexts();
103    
104                    for (String[] levelRequiredDeploymentContexts :
105                                    levelsRequiredDeploymentContexts) {
106    
107                            if (ArrayUtil.contains(
108                                            levelRequiredDeploymentContexts,
109                                            _servletContext.getServletContextName())) {
110    
111                                    break;
112                            }
113    
114                            for (String levelRequiredDeploymentContext :
115                                            levelRequiredDeploymentContexts) {
116    
117                                    _dependentServletContextNames.add(
118                                            levelRequiredDeploymentContext);
119                            }
120                    }
121    
122                    InputStream inputStream = _servletContext.getResourceAsStream(
123                            "/WEB-INF/liferay-plugin-package.properties");
124    
125                    if (inputStream != null) {
126                            String propertiesString = StringUtil.read(inputStream);
127    
128                            Properties properties = PropertiesUtil.load(propertiesString);
129    
130                            String[] pluginPackgeRequiredDeploymentContexts =
131                                    StringUtil.split(
132                                            properties.getProperty("required-deployment-contexts"));
133    
134                            for (String pluginPackageRequiredDeploymentContext :
135                                            pluginPackgeRequiredDeploymentContexts) {
136    
137                                    _dependentServletContextNames.add(
138                                            pluginPackageRequiredDeploymentContext.trim());
139                            }
140                    }
141    
142                    if (!_dependentServletContextNames.isEmpty() && _log.isInfoEnabled()) {
143                            String servletContextName = _servletContext.getServletContextName();
144    
145                            _log.info(
146                                    "Plugin " + servletContextName + " requires " +
147                                            StringUtil.merge(_dependentServletContextNames, ", "));
148                    }
149            }
150    
151            private static Log _log = LogFactoryUtil.getLog(HotDeployEvent.class);
152    
153            private ClassLoader _contextClassLoader;
154            private Set<String> _dependentServletContextNames = new TreeSet<String>();
155            private PluginPackage _pluginPackage;
156            private Queue<PortalLifecycle> _portalLifecycles =
157                    new ConcurrentLinkedQueue<PortalLifecycle>();
158            private ServletContext _servletContext;
159    
160    }