diff options
| author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2011-01-25 23:30:28 +0000 |
|---|---|---|
| committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2011-01-25 23:30:28 +0000 |
| commit | 875e50908c2630d263661af492654cd44bef2d65 (patch) | |
| tree | 30cc749cb9d25fd84b67fa086394735601782409 /sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook | |
| parent | 1456632c03944d54a5f059fe54e49b3014bc7fea (diff) | |
Sandbox to experiment with dynamic mass virtual hosting and running a different composite per vhost.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1063520 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
9 files changed, 1098 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/LICENSE b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/LICENSE new file mode 100644 index 0000000000..6e529a25c4 --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/LICENSE @@ -0,0 +1,205 @@ +
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diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/META-INF/MANIFEST.MF b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/META-INF/MANIFEST.MF new file mode 100644 index 0000000000..70e18a0c9a --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/META-INF/MANIFEST.MF @@ -0,0 +1,24 @@ +Manifest-Version: 1.0
+Export-Package: org.apache.tuscany.sca.tomcat;version="2.0.0"
+Tool: Bnd-0.0.255
+Bundle-Name: Apache Tuscany SCA Tomcat Hook
+Created-By: 1.6.0_07 (Sun Microsystems Inc.)
+Bundle-Vendor: The Apache Software Foundation
+Bundle-Version: 2.0.0
+Bnd-LastModified: 1222833658000
+Bundle-ManifestVersion: 2
+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
+Bundle-Description: Apache Tuscany SCA Webapp Host
+Import-Package: javax.naming,
+ javax.servlet,
+ javax.servlet.http,
+ org.apache.tuscany.sca.core;version="2.0.0",
+ org.apache.tuscany.sca.host.http;version="2.0.0",
+ org.apache.tuscany.sca.host.webapp;version="2.0.0",
+ org.apache.tuscany.sca.node;version="2.0.0",
+ org.apache.tuscany.sca.node.configuration;version="2.0.0",
+ org.apache.tuscany.sca.node.impl;version="2.0.0",
+ org.oasisopen.sca;version="2.0.0"
+Bundle-SymbolicName: org.apache.tuscany.sca.tomcat
+Bundle-DocURL: http://www.apache.org/
+Bundle-RequiredExecutionEnvironment: J2SE-1.5,JavaSE-1.6 diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/NOTICE b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/NOTICE new file mode 100644 index 0000000000..798a5569c9 --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/NOTICE @@ -0,0 +1,7 @@ +${pom.name}
+Copyright (c) 2005 - 2011 The Apache Software Foundation
+
+This product includes software developed by
+The Apache Software Foundation (http://www.apache.org/).
+
+
diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/pom.xml b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/pom.xml new file mode 100644 index 0000000000..8b792960ad --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/pom.xml @@ -0,0 +1,70 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- + * 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. +--> +<project> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.apache.tuscany.sca</groupId> + <artifactId>tuscany-modules</artifactId> + <version>2.0-SNAPSHOT</version> + <relativePath>../pom.xml</relativePath> + </parent> + + <artifactId>tuscany-tomcat-hook</artifactId> + <name>Apache Tuscany SCA Tomcat Hook</name> + + <dependencies> + + <dependency> + <groupId>org.apache.tomcat</groupId> + <artifactId>catalina</artifactId> + <version>6.0.18</version> + <exclusions> + <exclusion> + <groupId>org.apache.tomcat</groupId> + <artifactId>servlet-api</artifactId> + </exclusion> + </exclusions> + <scope>provided</scope> + </dependency> + + <dependency> + <groupId>org.apache.tomcat</groupId> + <artifactId>coyote</artifactId> + <version>6.0.18</version> + <scope>provided</scope> + </dependency> + + <dependency> + <groupId>javax.servlet</groupId> + <artifactId>servlet-api</artifactId> + <version>2.5</version> + <scope>provided</scope> + </dependency> + + <dependency> + <groupId>org.codehaus.swizzle</groupId> + <artifactId>swizzle-stream</artifactId> + <version>1.0.2</version> + <scope>provided</scope> + </dependency> + + </dependencies> + +</project> diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyAnnotationsProcessor.java b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyAnnotationsProcessor.java new file mode 100644 index 0000000000..54947d6492 --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyAnnotationsProcessor.java @@ -0,0 +1,85 @@ +/* + * 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.tuscany.sca.tomcat; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import javax.naming.NamingException; +import javax.servlet.ServletContext; + +import org.apache.AnnotationProcessor; +import org.apache.catalina.util.DefaultAnnotationProcessor; + +public class TuscanyAnnotationsProcessor implements AnnotationProcessor { + + private TuscanyStandardContext tuscanyStandardContext; + private AnnotationProcessor tomcatAnnotationProcessor; + private Method tuscanyInjectMethod; + + public TuscanyAnnotationsProcessor(TuscanyStandardContext tuscanyStandardContext, javax.naming.Context context) { + this.tuscanyStandardContext = tuscanyStandardContext; + this.tomcatAnnotationProcessor = new DefaultAnnotationProcessor(context); + initInjectMethod(tuscanyStandardContext); + } + + private void initInjectMethod(TuscanyStandardContext tuscanyStandardContext) { + + // this needs to use reflection as the tuscany-hook module can't have any + // dependencies on the tuscany runtime modules as they're not + // in the server classpath + // TODO: is there a nicer way ? + + ClassLoader cl = tuscanyStandardContext.getParentClassLoader(); + try { + Class<?> c = Class.forName("org.apache.tuscany.sca.implementation.web.runtime.utils.ContextHelper", true, cl); + if (c != null) { + this.tuscanyInjectMethod = c.getMethod("inject", new Class[]{Object.class, ServletContext.class}); + } + } catch (Exception e){ + // ignore + } + } + + public void postConstruct(Object instance) throws IllegalAccessException, InvocationTargetException { + tomcatAnnotationProcessor.postConstruct(instance); + } + + public void preDestroy(Object instance) throws IllegalAccessException, InvocationTargetException { + tomcatAnnotationProcessor.preDestroy(instance); + } + + public void processAnnotations(Object instance) throws IllegalAccessException, InvocationTargetException, NamingException { + if (tuscanyInjectMethod != null) { + ServletContext sc = tuscanyStandardContext.getServletContext(); + if (sc != null) { + Object rc = sc.getAttribute("org.apache.tuscany.sca.implementation.web.RuntimeComponent"); + if (rc != null) { + try { + tuscanyInjectMethod.invoke(null, instance, sc); + } catch (Exception e) { + throw new InvocationTargetException(e); + } + } + } + } + tomcatAnnotationProcessor.processAnnotations(instance); + } +} diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyContextConfig.java b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyContextConfig.java new file mode 100644 index 0000000000..5e7905d246 --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyContextConfig.java @@ -0,0 +1,183 @@ +/*
+ * 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.tuscany.sca.tomcat;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+
+import org.apache.catalina.Host;
+import org.apache.catalina.core.StandardContext;
+import org.apache.catalina.core.StandardHost;
+import org.apache.catalina.startup.ContextConfig;
+import org.apache.catalina.startup.ExpandWar;
+
+public class TuscanyContextConfig extends ContextConfig{
+
+ /**
+ * Return the location of the default deployment descriptor
+ *
+ * Override the super class method to use the Tuscany specific
+ * default web.xml which has the Tuscany listener and filer config
+ */
+ @Override
+ public String getDefaultWebXml() {
+ if( defaultWebXml == null ) {
+ defaultWebXml="conf/tuscany-web.xml";
+ }
+ return (this.defaultWebXml);
+ }
+
+ /**
+ * Adjust docBase.
+ *
+ * This is cutNpaste of the Tomcat method but changed on the lines marked with // TUSCANY:
+ * to override the default that only works for file names ending with .war
+ *
+ */
+ @Override
+ protected void fixDocBase()
+ throws IOException {
+
+ Host host = (Host) context.getParent();
+ String appBase = host.getAppBase();
+
+ boolean unpackWARs = true;
+ if (host instanceof StandardHost) {
+ unpackWARs = ((StandardHost) host).isUnpackWARs()
+ && ((StandardContext) context).getUnpackWAR();
+ }
+
+ File canonicalAppBase = new File(appBase);
+ if (canonicalAppBase.isAbsolute()) {
+ canonicalAppBase = canonicalAppBase.getCanonicalFile();
+ } else {
+ canonicalAppBase =
+ new File(System.getProperty("catalina.base"), appBase)
+ .getCanonicalFile();
+ }
+
+ String docBase = context.getDocBase();
+ if (docBase == null) {
+ // Trying to guess the docBase according to the path
+ String path = context.getPath();
+ if (path == null) {
+ return;
+ }
+ if (path.equals("")) {
+ docBase = "ROOT";
+ } else {
+ if (path.startsWith("/")) {
+ docBase = path.substring(1);
+ } else {
+ docBase = path;
+ }
+ }
+ }
+
+ File file = new File(docBase);
+ if (!file.isAbsolute()) {
+ docBase = (new File(canonicalAppBase, docBase)).getPath();
+ } else {
+ docBase = file.getCanonicalPath();
+ }
+ file = new File(docBase);
+ String origDocBase = docBase;
+
+ String contextPath = context.getPath();
+ if (contextPath.equals("")) {
+ contextPath = "ROOT";
+ } else {
+ if (contextPath.lastIndexOf('/') > 0) {
+ contextPath = "/" + contextPath.substring(1).replace('/','#');
+ }
+ }
+ // TUSCANY: update from .war to also support .jar and .zip SCA contributions
+ if ((docBase.toLowerCase().endsWith(".war") || docBase.toLowerCase().endsWith(".jar")||docBase.toLowerCase().endsWith(".zip")) && !file.isDirectory() && unpackWARs) {
+ URL war = new URL("jar:" + (new File(docBase)).toURI().toURL() + "!/");
+ docBase = ExpandWar.expand(host, war, contextPath);
+ file = new File(docBase);
+ docBase = file.getCanonicalPath();
+ if (context instanceof StandardContext) {
+ ((StandardContext) context).setOriginalDocBase(origDocBase);
+ }
+ } else {
+ File docDir = new File(docBase);
+ if (!docDir.exists()) {
+ // TUSCANY: update from .war to also support .jar and .zip SCA contributions
+ File warFile = new File(docBase + ".war");
+ if (warFile.exists()) {
+ if (unpackWARs) {
+ URL war =
+ new URL("jar:" + warFile.toURI().toURL() + "!/");
+ docBase = ExpandWar.expand(host, war, contextPath);
+ file = new File(docBase);
+ docBase = file.getCanonicalPath();
+ } else {
+ docBase = warFile.getCanonicalPath();
+ }
+ } else {
+ warFile = new File(docBase + ".jar");
+ if (warFile.exists()) {
+ if (unpackWARs) {
+ URL war =
+ new URL("jar:" + warFile.toURI().toURL() + "!/");
+ docBase = ExpandWar.expand(host, war, contextPath);
+ file = new File(docBase);
+ docBase = file.getCanonicalPath();
+ } else {
+ docBase = warFile.getCanonicalPath();
+ }
+ } else {
+ warFile = new File(docBase + ".zip");
+ if (warFile.exists()) {
+ if (unpackWARs) {
+ URL war =
+ new URL("jar:" + warFile.toURI().toURL() + "!/");
+ docBase = ExpandWar.expand(host, war, contextPath);
+ file = new File(docBase);
+ docBase = file.getCanonicalPath();
+ } else {
+ docBase = warFile.getCanonicalPath();
+ }
+ }
+ }
+ }
+ if (context instanceof StandardContext) {
+ ((StandardContext) context).setOriginalDocBase(origDocBase);
+ }
+ }
+ }
+
+ if (docBase.startsWith(canonicalAppBase.getPath())) {
+ docBase = docBase.substring(canonicalAppBase.getPath().length());
+ docBase = docBase.replace(File.separatorChar, '/');
+ if (docBase.startsWith("/")) {
+ docBase = docBase.substring(1);
+ }
+ } else {
+ docBase = docBase.replace(File.separatorChar, '/');
+ }
+
+ context.setDocBase(docBase);
+
+ }
+
+}
diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyHostConfig.java b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyHostConfig.java new file mode 100644 index 0000000000..e92d7a0bf6 --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyHostConfig.java @@ -0,0 +1,167 @@ +/*
+ * 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.tuscany.sca.tomcat;
+
+import java.io.File;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+import org.apache.catalina.Context;
+import org.apache.catalina.Lifecycle;
+import org.apache.catalina.LifecycleListener;
+import org.apache.catalina.startup.HostConfig;
+
+/**
+ * A Tuscany customized HostConfig that adds support for SCA contributions
+ * to be deployed along with the usual .war files.
+ */
+public class TuscanyHostConfig extends HostConfig {
+
+ protected File scaBase = null;
+
+ @Override
+ protected void deployApps() {
+
+ File appBase = appBase();
+ File configBase = configBase();
+ // Deploy XML descriptors from configBase
+ deployDescriptors(configBase, configBase.list());
+ // Deploy WARs, and loop if additional descriptors are found
+ deployWARs(appBase, appBase.list());
+ // TUSCANY: Deploy any SCA contibutions
+ deploySCAContributions(appBase, appBase.list());
+ // Deploy expanded folders
+ deployDirectories(appBase, appBase.list());
+ }
+
+ protected void deploySCAContributions(File appBase, String[] files) {
+ if (files == null)
+ return;
+
+ for (int i = 0; i < files.length; i++) {
+
+ File scafile = new File(appBase, files[i]);
+
+ if (scafile.isFile() && isSCAContribution(scafile)) {
+
+ // Calculate the context path and make sure it is unique
+ String contextPath = "/" + files[i].replace('#','/');
+ int period = contextPath.lastIndexOf(".");
+ if (period >= 0)
+ contextPath = contextPath.substring(0, period);
+
+ if (isServiced(contextPath))
+ continue;
+
+ String file = files[i];
+
+ deploySCAContribution(contextPath, scafile, file);
+
+ }
+
+ }
+
+ }
+
+ protected String tuscanyContextClass = "org.apache.tuscany.sca.tomcat.TuscanyContextConfig";
+
+ protected void deploySCAContribution(String contextPath, File dir, String file) {
+ if (deploymentExists(contextPath))
+ return;
+
+ DeployedApplication deployedApp = new DeployedApplication(contextPath);
+
+ // Deploy the application in this WAR file
+ if(log.isInfoEnabled())
+ log.info("Deploying SCA contibution: " + file);
+
+ // Populate redeploy resources with the WAR file
+ deployedApp.redeployResources.put(dir.getAbsolutePath(), new Long(dir.lastModified()));
+
+ try {
+ Context context = (Context) Class.forName(contextClass).newInstance();
+ if (context instanceof Lifecycle) {
+
+ // Tuscany: change to use the Tuscany ContextConfig class
+ Class clazz = Class.forName(tuscanyContextClass);
+
+ LifecycleListener listener =
+ (LifecycleListener) clazz.newInstance();
+ ((Lifecycle) context).addLifecycleListener(listener);
+ }
+ context.setPath(contextPath);
+ context.setDocBase(file);
+
+ host.addChild(context);
+ // If we're unpacking WARs, the docBase will be mutated after
+ // starting the context
+ if (unpackWARs && (context.getDocBase() != null)) {
+ String name = null;
+ String path = context.getPath();
+ if (path.equals("")) {
+ name = "ROOT";
+ } else {
+ if (path.startsWith("/")) {
+ name = path.substring(1);
+ } else {
+ name = path;
+ }
+ }
+ name = name.replace('/', '#');
+ File docBase = new File(name);
+ if (!docBase.isAbsolute()) {
+ docBase = new File(appBase(), name);
+ }
+ deployedApp.redeployResources.put(docBase.getAbsolutePath(),
+ new Long(docBase.lastModified()));
+ addWatchedResources(deployedApp, docBase.getAbsolutePath(), context);
+ } else {
+ addWatchedResources(deployedApp, null, context);
+ }
+ } catch (Throwable t) {
+ log.error(sm.getString("hostConfig.deployJar.error", file), t);
+ }
+
+ deployed.put(contextPath, deployedApp);
+ }
+
+ protected boolean isSCAContribution(File file) {
+ ZipFile zip = null;
+ ZipEntry entry = null;
+ try {
+ try {
+ zip = new ZipFile(file);
+ entry = zip.getEntry("META-INF/sca-contribution.xml");
+ } catch (Exception e) {
+ }
+
+ return (entry != null);
+
+ } finally {
+ if (zip != null) {
+ try {
+ zip.close();
+ } catch (Throwable t) {
+ }
+ }
+ }
+ }
+
+}
diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyLifecycleListener.java b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyLifecycleListener.java new file mode 100644 index 0000000000..a9eee9687e --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyLifecycleListener.java @@ -0,0 +1,161 @@ +/* + * 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.tuscany.sca.tomcat; + +import java.io.File; +import java.util.logging.Logger; + +import org.apache.catalina.Container; +import org.apache.catalina.LifecycleEvent; +import org.apache.catalina.LifecycleListener; +import org.apache.catalina.ServerFactory; +import org.apache.catalina.Service; +import org.apache.catalina.connector.Connector; +import org.apache.catalina.core.StandardEngine; +import org.apache.catalina.core.StandardHost; +import org.apache.catalina.core.StandardServer; +import org.apache.catalina.core.StandardService; +import org.apache.catalina.startup.HostConfig; + +/** + * A Tomcat LifecycleListener that initilizes the Tuscany Tomcat integration. + * It sets a System property with the location of the Tuscany runtime .war + * and configures each Tomcat Connector to use the TuscanyStandardContext. + * + * To configure Tomcat to use this add the following to the Tomcat conf/server.xml + * <Listener className="org.apache.tuscany.sca.tomcat.TuscanyLifecycleListener"/> + */ +public class TuscanyLifecycleListener implements LifecycleListener { + private static final Logger log = Logger.getLogger(TuscanyLifecycleListener.class.getName()); + + public static final String TUSCANY_WAR_PROP = "org.apache.tuscany.sca.tomcat.war"; + + private static boolean running; + + public static boolean isRunning() { + return running; + } + + static final String TUSCANY_SHARED_PROP = "org.apache.tuscany.sca.tomcat.shared"; + + private static String domainURI = "tuscany:default"; + + public TuscanyLifecycleListener() { + running = true; + log.info("Apache Tuscany initilizing"); + } + + public void lifecycleEvent(LifecycleEvent event) { + if ("init".equals(event.getType()) && (event.getSource() instanceof StandardServer)) { + File webappDir = findTuscanyWar(); + if (webappDir == null) { + log.severe("Tuscany disabled as Tuscany webapp not found"); + } else { + System.setProperty(TUSCANY_WAR_PROP, webappDir.getAbsolutePath()); + log.info("Using Tuscany webapp: " + webappDir.getAbsolutePath()); + StandardServer server = (StandardServer)event.getSource(); + StandardService catalina = (StandardService)server.findService("Catalina"); + for (Connector connector : catalina.findConnectors()) { + for (Container container : connector.getContainer().findChildren()) { + if (container instanceof StandardHost) { + for (LifecycleListener listener : ((StandardHost)container).findLifecycleListeners()) { + if (listener instanceof HostConfig) { + ((HostConfig)listener).setContextClass("org.apache.tuscany.sca.tomcat.TuscanyStandardContext"); + log.info("Tuscany enabled on connector: " + container.getName() + ":" + connector.getPort()); + } + } + } + } + } + } + } + } + + private static File findTuscanyWar() { + + // in Tomcat 5.5 the Tuscany war is in the server/webapps director + String catalinaBase = System.getProperty("catalina.base"); + File serverWebapps = new File(catalinaBase, "server/webapps"); + File tuscanyWar = findTuscanyWar(serverWebapps); + if (tuscanyWar != null) { + return tuscanyWar; + } + + // in Tomcat 6 the Tuscany war is normally in webapps, but we just scan all hosts directories + for (Service service : ServerFactory.getServer().findServices()) { + Container container = service.getContainer(); + if (container instanceof StandardEngine) { + StandardEngine engine = (StandardEngine)container; + for (Container child : engine.findChildren()) { + if (child instanceof StandardHost) { + StandardHost host = (StandardHost)child; + String appBase = host.getAppBase(); + + // determine the host dir (normally webapps) + File hostDir = new File(appBase); + if (!hostDir.isAbsolute()) { + hostDir = new File(catalinaBase, appBase); + } + + tuscanyWar = findTuscanyWar(hostDir); + if (tuscanyWar != null) { + return tuscanyWar; + } + } + } + } + } + return null; + } + + private static File findTuscanyWar(File hostDir) { + if (!hostDir.isDirectory()) { + return null; + } + + // iterate over the contexts + for (File contextDir : hostDir.listFiles()) { + // does this war have a web-inf lib dir + File hookLib = new File(contextDir, "tomcat-lib"); + if (!hookLib.isDirectory()) { + continue; + } + // iterate over the libs looking for the tuscany-tomcat-*.jar + for (File file : hookLib.listFiles()) { + if (file.getName().startsWith("tuscany-tomcat-hook-") && file.getName().endsWith(".jar")) { + // this should be in the Tuscany war... + // make sure it has a runtime directory + if (new File(contextDir, "tuscany-lib").isDirectory()) { + return contextDir; + } + } + } + } + return null; + } + + public void setDomainURI(String domainURI) { + TuscanyLifecycleListener.domainURI = domainURI; + } + + public static String getDomainURI() { + return domainURI; + } +} diff --git a/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyStandardContext.java b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyStandardContext.java new file mode 100644 index 0000000000..ca9c81f1c3 --- /dev/null +++ b/sandbox/sebastien/java/vhost/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyStandardContext.java @@ -0,0 +1,196 @@ +/* + * 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.tuscany.sca.tomcat; + +import java.io.File; +import java.lang.reflect.Method; +import java.net.URI; +import java.net.URL; +import java.net.URLClassLoader; +import java.util.logging.Logger; + +import javax.naming.NameClassPair; +import javax.naming.NamingEnumeration; +import javax.naming.NamingException; + +import org.apache.catalina.LifecycleException; +import org.apache.catalina.Loader; +import org.apache.catalina.core.StandardContext; + +/** + * A Tuscany StandardContext to initilize SCA applications. + * There is a StandardContext instance for each webapp and its + * called to handle all start/stop/etc requests. This intercepts + * the start and inserts any required Tuscany configuration. + */ +public class TuscanyStandardContext extends StandardContext { + private static final long serialVersionUID = 1L; + private static final Logger log = Logger.getLogger(TuscanyStandardContext.class.getName()); + + private boolean isSCAApp; + + // TODO: this gives an instance per webapp, work out how to have only one per server + // ?? is that comment still true? + private static URLClassLoader tuscanyClassLoader; + private static Object node; + private static Class<?> nodeClass; + private static Method nodeStopMethod; + + public TuscanyStandardContext() { + } + + /** + * Overrides the getLoader method in the Tomcat StandardContext as its a convenient + * point to insert the Tuscany initilization. This gets called the first time during + * StandardContext.start after the webapp resources have been created so this can + * use getResources() to look for the SCA web.composite or sca-contribution.xml files, + * but its still early enough in start to insert the required Tuscany config. + */ + @Override + public Loader getLoader() { + if (loader != null) { + return loader; + } + + ClassLoader parent = getParentClassLoader(); + if (isSCAApp = isSCAApplication()) { + if (tuscanyClassLoader == null) { + initTuscany(); + } + setParentClassLoader(getTuscanyClassloader(parent)); + setDefaultWebXml("conf/tuscany-web.xml"); + } + + return super.getLoader(); + } + + @Override + public boolean listenerStart() { + if (isSCAApp) { + enableTuscany(); + } + return super.listenerStart(); + } + + private void enableTuscany() { + + if (isUseNaming() && getNamingContextListener() != null) { + setAnnotationProcessor(new TuscanyAnnotationsProcessor(this, getNamingContextListener().getEnvContext())); + } else { + setAnnotationProcessor(new TuscanyAnnotationsProcessor(this, null)); + } + + log.info("Tuscany SCA is enabled for: " + this.getName()); + } + + private boolean isSCAApplication() { + Object o = null; + try { + o = getResources().lookup("WEB-INF/web.composite"); + } catch (NamingException e) { + } + if (o == null) { + try { + o = getResources().lookup("META-INF/sca-contribution.xml"); + } catch (NamingException e) { + } + } + if (o == null) { + return false; + } + + // Try to see if the Tuscany jars are packaged in the webapp + NamingEnumeration<NameClassPair> enumeration; + try { + enumeration = getResources().list("WEB-INF/lib"); + while (enumeration.hasMoreElements()) { + String jar = enumeration.nextElement().getName(); + if (jar.startsWith("tuscany-")) { + // Do not alter is + log.info("Tuscany SCA ignoring webapp with embedded Tuscany runtime: " + this.getName()); + return false; + } + } + } catch (NamingException e) { + } + return true; + } + + private URLClassLoader getTuscanyClassloader(ClassLoader parent) { + return tuscanyClassLoader; + } + + private void initTuscany() { + initTuscanyClassloader(getParentClassLoader()); + initDomain(); + } + + private void initTuscanyClassloader(ClassLoader parent) { + if (tuscanyClassLoader == null) { + File tuscanyWar = new File(System.getProperty(TuscanyLifecycleListener.TUSCANY_WAR_PROP)); + File[] runtimeJars = new File(tuscanyWar, "tuscany-lib").listFiles(); + try { + URL[] jarURLs = new URL[runtimeJars.length]; + for (int i = 0; i < jarURLs.length; i++) { + jarURLs[i] = runtimeJars[i].toURI().toURL(); + } + tuscanyClassLoader = new URLClassLoader(jarURLs, parent); + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + } + + private void initDomain() { + ClassLoader oldCL = Thread.currentThread().getContextClassLoader(); + try { + Thread.currentThread().setContextClassLoader(tuscanyClassLoader); + Class<?> nodeFactoryClass = Class.forName("org.apache.tuscany.sca.node.NodeFactory", true, tuscanyClassLoader); + Method getInstanceMethod = nodeFactoryClass.getMethod("getInstance", new Class[0]); + Object instance = getInstanceMethod.invoke(null); + Method createNodeMethod = nodeFactoryClass.getMethod("createNode", new Class[]{URI.class, new String[0].getClass()}); + URI domainURI = URI.create(TuscanyLifecycleListener.getDomainURI()); + this.node = createNodeMethod.invoke(instance, new Object[]{domainURI, new String[0]}); + this.nodeClass = Class.forName("org.apache.tuscany.sca.node.Node", true, tuscanyClassLoader); + Method nodeStartMethod = nodeClass.getMethod("start", new Class[0]); + this.nodeStopMethod = nodeClass.getMethod("stop", new Class[0]); + nodeStartMethod.invoke(node); + } catch (Exception e) { + throw new RuntimeException(e); + } finally { + Thread.currentThread().setContextClassLoader(oldCL); + } + } + + @Override + public synchronized void stop() throws LifecycleException { + super.stop(); + + if (node != null && nodeStopMethod != null) { + try { + nodeStopMethod.invoke(node); + node = null; + } catch (Exception e) { + throw new RuntimeException(e); + } + } + } +} |