| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.core; |
| |
| |
| import java.lang.reflect.Method; |
| import org.apache.catalina.Lifecycle; |
| import org.apache.catalina.LifecycleEvent; |
| import org.apache.catalina.LifecycleListener; |
| import org.apache.catalina.util.StringManager; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| |
| /** |
| * Implementation of <code>LifecycleListener</code> that will init and |
| * and destroy APR. |
| * |
| * @author Remy Maucherat |
| * @version $Revision$ $Date$ |
| * @since 4.1 |
| */ |
| |
| public class AprLifecycleListener |
| implements LifecycleListener { |
| |
| private static Log log = LogFactory.getLog(AprLifecycleListener.class); |
| |
| /** |
| * The string manager for this package. |
| */ |
| protected StringManager sm = |
| StringManager.getManager(Constants.Package); |
| |
| |
| // -------------------------------------------------------------- Constants |
| |
| |
| protected static final int REQUIRED_MAJOR = 1; |
| protected static final int REQUIRED_MINOR = 1; |
| protected static final int REQUIRED_PATCH = 3; |
| protected static final int RECOMMENDED_PV = 4; |
| |
| |
| // ---------------------------------------------- LifecycleListener Methods |
| |
| |
| /** |
| * Primary entry point for startup and shutdown events. |
| * |
| * @param event The event that has occurred |
| */ |
| public void lifecycleEvent(LifecycleEvent event) { |
| |
| if (Lifecycle.INIT_EVENT.equals(event.getType())) { |
| int major = 0; |
| int minor = 0; |
| int patch = 0; |
| try { |
| String methodName = "initialize"; |
| Class paramTypes[] = new Class[1]; |
| paramTypes[0] = String.class; |
| Object paramValues[] = new Object[1]; |
| paramValues[0] = null; |
| Class clazz = Class.forName("org.apache.tomcat.jni.Library"); |
| Method method = clazz.getMethod(methodName, paramTypes); |
| method.invoke(null, paramValues); |
| major = clazz.getField("TCN_MAJOR_VERSION").getInt(null); |
| minor = clazz.getField("TCN_MINOR_VERSION").getInt(null); |
| patch = clazz.getField("TCN_PATCH_VERSION").getInt(null); |
| } catch (Throwable t) { |
| if (!log.isDebugEnabled()) { |
| log.info(sm.getString("aprListener.aprInit", |
| System.getProperty("java.library.path"))); |
| } else { |
| log.debug(sm.getString("aprListener.aprInit", |
| System.getProperty("java.library.path")), t); |
| } |
| return; |
| } |
| if ((major != REQUIRED_MAJOR) || (minor != REQUIRED_MINOR) |
| || (patch < REQUIRED_PATCH)) { |
| log.error(sm.getString("aprListener.tcnInvalid", major + "." |
| + minor + "." + patch, REQUIRED_MAJOR + "." |
| + REQUIRED_MINOR + "." + REQUIRED_PATCH)); |
| } |
| if (patch < RECOMMENDED_PV) { |
| /* The version is lower then recommended. |
| * Instruct the user to consider upgrading the native |
| * to the current stable version. |
| */ |
| if (!log.isDebugEnabled()) { |
| log.info(sm.getString("aprListener.tcnVersion", major + "." |
| + minor + "." + patch, REQUIRED_MAJOR + "." |
| + REQUIRED_MINOR + "." + RECOMMENDED_PV)); |
| } else { |
| log.debug(sm.getString("aprListener.tcnVersion", major + "." |
| + minor + "." + patch, REQUIRED_MAJOR + "." |
| + REQUIRED_MINOR + "." + RECOMMENDED_PV)); |
| } |
| } |
| } else if (Lifecycle.AFTER_STOP_EVENT.equals(event.getType())) { |
| try { |
| String methodName = "terminate"; |
| Method method = Class.forName("org.apache.tomcat.jni.Library") |
| .getMethod(methodName, (Class [])null); |
| method.invoke(null, (Object []) null); |
| } catch (Throwable t) { |
| if (!log.isDebugEnabled()) { |
| log.info(sm.getString("aprListener.aprDestroy")); |
| } else { |
| log.debug(sm.getString("aprListener.aprDestroy"), t); |
| } |
| } |
| } |
| |
| } |
| |
| |
| } |