| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package org.apache.catalina.startup; |
| |
| |
| import java.io.File; |
| import java.util.Enumeration; |
| |
| import org.apache.catalina.Context; |
| import org.apache.catalina.Host; |
| import org.apache.catalina.Lifecycle; |
| import org.apache.catalina.LifecycleEvent; |
| import org.apache.catalina.LifecycleListener; |
| import org.apache.catalina.util.StringManager; |
| |
| |
| /** |
| * Startup event listener for a <b>Host</b> that configures Contexts (web |
| * applications) for all defined "users" who have a web application in a |
| * directory with the specified name in their home directories. The context |
| * path of each deployed application will be set to <code>~xxxxx</code>, where |
| * xxxxx is the username of the owning user for that web application |
| * |
| * @author Craig R. McClanahan |
| * @version $Revision$ $Date$ |
| */ |
| |
| public final class UserConfig |
| implements LifecycleListener { |
| |
| |
| private static org.apache.commons.logging.Log log= |
| org.apache.commons.logging.LogFactory.getLog( UserConfig.class ); |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| /** |
| * The Java class name of the Context configuration class we should use. |
| */ |
| private String configClass = "org.apache.catalina.startup.ContextConfig"; |
| |
| |
| /** |
| * The Java class name of the Context implementation we should use. |
| */ |
| private String contextClass = "org.apache.catalina.core.StandardContext"; |
| |
| |
| /** |
| * The directory name to be searched for within each user home directory. |
| */ |
| private String directoryName = "public_html"; |
| |
| |
| /** |
| * The base directory containing user home directories. |
| */ |
| private String homeBase = null; |
| |
| |
| /** |
| * The Host we are associated with. |
| */ |
| private Host host = null; |
| |
| |
| /** |
| * The string resources for this package. |
| */ |
| private static final StringManager sm = |
| StringManager.getManager(Constants.Package); |
| |
| |
| /** |
| * The Java class name of the user database class we should use. |
| */ |
| private String userClass = |
| "org.apache.catalina.startup.PasswdUserDatabase"; |
| |
| |
| // ------------------------------------------------------------- Properties |
| |
| |
| /** |
| * Return the Context configuration class name. |
| */ |
| public String getConfigClass() { |
| |
| return (this.configClass); |
| |
| } |
| |
| |
| /** |
| * Set the Context configuration class name. |
| * |
| * @param configClass The new Context configuration class name. |
| */ |
| public void setConfigClass(String configClass) { |
| |
| this.configClass = configClass; |
| |
| } |
| |
| |
| /** |
| * Return the Context implementation class name. |
| */ |
| public String getContextClass() { |
| |
| return (this.contextClass); |
| |
| } |
| |
| |
| /** |
| * Set the Context implementation class name. |
| * |
| * @param contextClass The new Context implementation class name. |
| */ |
| public void setContextClass(String contextClass) { |
| |
| this.contextClass = contextClass; |
| |
| } |
| |
| |
| /** |
| * Return the directory name for user web applications. |
| */ |
| public String getDirectoryName() { |
| |
| return (this.directoryName); |
| |
| } |
| |
| |
| /** |
| * Set the directory name for user web applications. |
| * |
| * @param directoryName The new directory name |
| */ |
| public void setDirectoryName(String directoryName) { |
| |
| this.directoryName = directoryName; |
| |
| } |
| |
| |
| /** |
| * Return the base directory containing user home directories. |
| */ |
| public String getHomeBase() { |
| |
| return (this.homeBase); |
| |
| } |
| |
| |
| /** |
| * Set the base directory containing user home directories. |
| * |
| * @param homeBase The new base directory |
| */ |
| public void setHomeBase(String homeBase) { |
| |
| this.homeBase = homeBase; |
| |
| } |
| |
| |
| /** |
| * Return the user database class name for this component. |
| */ |
| public String getUserClass() { |
| |
| return (this.userClass); |
| |
| } |
| |
| |
| /** |
| * Set the user database class name for this component. |
| */ |
| public void setUserClass(String userClass) { |
| |
| this.userClass = userClass; |
| |
| } |
| |
| |
| // --------------------------------------------------------- Public Methods |
| |
| |
| /** |
| * Process the START event for an associated Host. |
| * |
| * @param event The lifecycle event that has occurred |
| */ |
| public void lifecycleEvent(LifecycleEvent event) { |
| |
| // Identify the host we are associated with |
| try { |
| host = (Host) event.getLifecycle(); |
| } catch (ClassCastException e) { |
| log.error(sm.getString("hostConfig.cce", event.getLifecycle()), e); |
| return; |
| } |
| |
| // Process the event that has occurred |
| if (event.getType().equals(Lifecycle.START_EVENT)) |
| start(); |
| else if (event.getType().equals(Lifecycle.STOP_EVENT)) |
| stop(); |
| |
| } |
| |
| |
| // -------------------------------------------------------- Private Methods |
| |
| |
| /** |
| * Deploy a web application for any user who has a web application present |
| * in a directory with a specified name within their home directory. |
| */ |
| private void deploy() { |
| |
| if (host.getLogger().isDebugEnabled()) |
| host.getLogger().debug(sm.getString("userConfig.deploying")); |
| |
| // Load the user database object for this host |
| UserDatabase database = null; |
| try { |
| Class clazz = Class.forName(userClass); |
| database = (UserDatabase) clazz.newInstance(); |
| database.setUserConfig(this); |
| } catch (Exception e) { |
| host.getLogger().error(sm.getString("userConfig.database"), e); |
| return; |
| } |
| |
| // Deploy the web application (if any) for each defined user |
| Enumeration users = database.getUsers(); |
| while (users.hasMoreElements()) { |
| String user = (String) users.nextElement(); |
| String home = database.getHome(user); |
| deploy(user, home); |
| } |
| |
| } |
| |
| |
| /** |
| * Deploy a web application for the specified user if they have such an |
| * application in the defined directory within their home directory. |
| * |
| * @param user Username owning the application to be deployed |
| * @param home Home directory of this user |
| */ |
| private void deploy(String user, String home) { |
| |
| // Does this user have a web application to be deployed? |
| String contextPath = "/~" + user; |
| if (host.findChild(contextPath) != null) |
| return; |
| File app = new File(home, directoryName); |
| if (!app.exists() || !app.isDirectory()) |
| return; |
| /* |
| File dd = new File(app, "/WEB-INF/web.xml"); |
| if (!dd.exists() || !dd.isFile() || !dd.canRead()) |
| return; |
| */ |
| host.getLogger().info(sm.getString("userConfig.deploy", user)); |
| |
| // Deploy the web application for this user |
| try { |
| Class clazz = Class.forName(contextClass); |
| Context context = |
| (Context) clazz.newInstance(); |
| context.setPath(contextPath); |
| context.setDocBase(app.toString()); |
| if (context instanceof Lifecycle) { |
| clazz = Class.forName(configClass); |
| LifecycleListener listener = |
| (LifecycleListener) clazz.newInstance(); |
| ((Lifecycle) context).addLifecycleListener(listener); |
| } |
| host.addChild(context); |
| } catch (Exception e) { |
| host.getLogger().error(sm.getString("userConfig.error", user), e); |
| } |
| |
| } |
| |
| |
| /** |
| * Process a "start" event for this Host. |
| */ |
| private void start() { |
| |
| if (host.getLogger().isDebugEnabled()) |
| host.getLogger().debug(sm.getString("userConfig.start")); |
| |
| deploy(); |
| |
| } |
| |
| |
| /** |
| * Process a "stop" event for this Host. |
| */ |
| private void stop() { |
| |
| if (host.getLogger().isDebugEnabled()) |
| host.getLogger().debug(sm.getString("userConfig.stop")); |
| |
| } |
| |
| |
| } |