001/*
002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.runtime.tomcat;
020
021import java.io.File;
022import java.io.IOException;
023import java.lang.reflect.Method;
024import java.net.URL;
025import java.net.URLClassLoader;
026import java.util.ArrayList;
027
028import org.apache.catalina.Lifecycle;
029import org.apache.catalina.LifecycleEvent;
030import org.apache.catalina.LifecycleListener;
031import org.apache.catalina.core.ContainerBase;
032import org.nuxeo.osgi.application.FrameworkBootstrap;
033
034import sun.misc.ClassLoaderUtil;
035
036/**
037 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
038 */
039public class NuxeoDeployer implements LifecycleListener {
040
041    protected String home = "nxserver";
042
043    protected FrameworkBootstrap bootstrap;
044
045    public void setHome(String home) {
046        this.home = home;
047    }
048
049    public String getHome() {
050        return home;
051    }
052
053    @Override
054    public void lifecycleEvent(LifecycleEvent event) {
055        Lifecycle lf = event.getLifecycle();
056        if (lf instanceof ContainerBase) {
057            ContainerBase container = (ContainerBase) lf;
058            handleEvent(container, event);
059        }
060    }
061
062    protected void handleEvent(ContainerBase container, LifecycleEvent event) {
063        try {
064            ClassLoader parentCl = container.getParentClassLoader();
065            String type = event.getType();
066            if (type == Lifecycle.BEFORE_START_EVENT) {
067                File homeDir = resolveHomeDirectory();
068                File bundles = new File(homeDir, "bundles");
069                File lib = new File(homeDir, "lib");
070                File deployerJar = FrameworkBootstrap.findFileStartingWidth(bundles, "nuxeo-runtime-deploy");
071                File commonJar = FrameworkBootstrap.findFileStartingWidth(bundles, "nuxeo-common");
072                if (deployerJar == null || commonJar == null) {
073                    System.out.println("Deployer and/or common JAR (nuxeo-runtime-deploy* | nuxeo-common*) not found in "
074                            + bundles);
075                    return;
076                }
077                ArrayList<URL> urls = new ArrayList<URL>();
078                File[] files = lib.listFiles();
079                if (files != null) {
080                    for (File f : files) {
081                        if (f.getPath().endsWith(".jar")) {
082                            urls.add(f.toURI().toURL());
083                        }
084                    }
085                }
086                files = bundles.listFiles();
087                if (files != null) {
088                    for (File f : files) {
089                        if (f.getPath().endsWith(".jar")) {
090                            urls.add(f.toURI().toURL());
091                        }
092                    }
093                }
094                urls.add(homeDir.toURI().toURL());
095                urls.add(new File(homeDir, "config").toURI().toURL());
096                URLClassLoader cl = new URLClassLoader(urls.toArray(new URL[urls.size()]), parentCl);
097                // URLClassLoader cl = new URLClassLoader(new URL[]
098                // {deployerJar.toURI().toURL(),
099                // commonJar.toURI().toURL(),
100                // xercesJar.toURI().toURL(),
101                // new File(homeDir, "config").toURI().toURL() // for log4j
102                // config
103                // }, parentCl);
104                System.out.println("# Running Nuxeo Preprocessor ...");
105                Class<?> klass = cl.loadClass("org.nuxeo.runtime.deployment.preprocessor.DeploymentPreprocessor");
106                Method main = klass.getMethod("main", String[].class);
107                main.invoke(null, new Object[] { new String[] { homeDir.getAbsolutePath() } });
108                System.out.println("# Preprocessing done.");
109                ClassLoaderUtil.releaseLoader(cl);
110            }
111        } catch (IOException | ReflectiveOperationException e) {
112            throw new RuntimeException("Failed to handle event", e);
113        }
114    }
115
116    protected File resolveHomeDirectory() {
117        String path;
118        if (home.startsWith("/")) {
119            path = home;
120        } else {
121            path = getTomcatHome() + "/" + home;
122        }
123        return new File(path);
124    }
125
126    public String getTomcatHome() {
127        String tomcatHome = System.getProperty("catalina.base");
128        if (tomcatHome == null) {
129            tomcatHome = System.getProperty("catalina.home");
130        }
131        return tomcatHome;
132    }
133
134}