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Diffstat (limited to 'branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache')
7 files changed, 1017 insertions, 0 deletions
diff --git a/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/DomainManagerLauncher.java b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/DomainManagerLauncher.java new file mode 100644 index 0000000000..f661f9019d --- /dev/null +++ b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/DomainManagerLauncher.java @@ -0,0 +1,91 @@ +/* + * 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.node.launcher; + +import static org.apache.tuscany.sca.node.launcher.NodeLauncherUtil.domainManager; + +import java.io.IOException; +import java.util.logging.Level; +import java.util.logging.Logger; + +/** + * Simple launcher for the SCA domain manager. + * + * @version $Rev$ $Date$ + */ +public class DomainManagerLauncher { + + private final static Logger logger = Logger.getLogger(DomainManagerLauncher.class.getName()); + + /** + * Constructs a new DomainManagerLauncher. + */ + private DomainManagerLauncher() { + } + + /** + * Returns a new launcher instance. + * + * @return a new launcher instance + */ + public static DomainManagerLauncher newInstance() { + return new DomainManagerLauncher(); + } + + /** + * Creates a new DomainManager. + * + * @return a new DomainManager + * @throws LauncherException + */ + public <T> T createDomainManager() throws LauncherException { + return (T)domainManager(); + } + + public static void main(String[] args) throws Exception { + logger.info("Apache Tuscany SCA Domain Manager starting..."); + + // Create a domain manager + DomainManagerLauncher launcher = newInstance(); + Object domainManager = launcher.createDomainManager(); + + // Start the domain manager + try { + domainManager.getClass().getMethod("start").invoke(domainManager); + } catch (Exception e) { + logger.log(Level.SEVERE, "SCA Domain Manager could not be started", e); + throw e; + } + logger.info("SCA Domain Manager started."); + + logger.info("Press enter to shutdown."); + try { + System.in.read(); + } catch (IOException e) {} + + // Stop the domain manager + try { + domainManager.getClass().getMethod("stop").invoke(domainManager); + } catch (Exception e) { + logger.log(Level.SEVERE, "SCA Domain Manager could not be stopped", e); + throw e; + } + } +} diff --git a/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/LauncherException.java b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/LauncherException.java new file mode 100644 index 0000000000..39e8d81139 --- /dev/null +++ b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/LauncherException.java @@ -0,0 +1,55 @@ +/* + * 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.node.launcher; + + +/** + * Denotes an error launching an SCA domain manager or node. + * + * @version $Rev$ $Date$ + */ +public class LauncherException extends Exception { + private static final long serialVersionUID = 4581189418849190567L; + + public LauncherException() { + super(); + } + + /** + * @param message + * @param cause + */ + public LauncherException(String message, Throwable cause) { + super(message, cause); + } + + /** + * @param message + */ + public LauncherException(String message) { + super(message); + } + + /** + * @param cause + */ + public LauncherException(Throwable cause) { + super(cause); + } +} diff --git a/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeDaemonLauncher.java b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeDaemonLauncher.java new file mode 100644 index 0000000000..be416ec68b --- /dev/null +++ b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeDaemonLauncher.java @@ -0,0 +1,93 @@ +/* + * 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.node.launcher; + +import static org.apache.tuscany.sca.node.launcher.NodeLauncherUtil.nodeDaemon; + +import java.io.IOException; +import java.util.logging.Level; +import java.util.logging.Logger; + +/** + * A launcher for the SCA Node daemon. + * + * @version $Rev$ $Date$ + */ +public class NodeDaemonLauncher { + + private final static Logger logger = Logger.getLogger(NodeDaemonLauncher.class.getName()); + + /** + * Constructs a new node daemon launcher. + */ + private NodeDaemonLauncher() { + } + + /** + * Returns a new launcher instance. + * + * @return a new launcher instance + */ + public static NodeDaemonLauncher newInstance() { + return new NodeDaemonLauncher(); + } + + /** + * Creates a new node daemon. + * + * @param + * @return a new node daemon + * @throws LauncherException + */ + public <T> T createNodeDaemon() throws LauncherException { + return (T)nodeDaemon(); + } + + public static void main(String[] args) throws Exception { + logger.info("Apache Tuscany SCA Node Daemon starting..."); + + // Create a node daemon + NodeDaemonLauncher launcher = newInstance(); + Object daemon = launcher.createNodeDaemon(); + + // Start the node daemon + try { + daemon.getClass().getMethod("start").invoke(daemon); + } catch (Exception e) { + logger.log(Level.SEVERE, "SCA Node Daemon could not be started", e); + throw e; + } + logger.info("SCA Node Daemon started."); + + logger.info("Press enter to shutdown."); + try { + System.in.read(); + } catch (IOException e) {} + + // Stop the node daemon + try { + daemon.getClass().getMethod("stop").invoke(daemon); + } catch (Exception e) { + logger.log(Level.SEVERE, "SCA Node Daemon could not be stopped", e); + throw e; + } + } + +} diff --git a/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java new file mode 100644 index 0000000000..d8124037fe --- /dev/null +++ b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java @@ -0,0 +1,134 @@ +/* + * 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.node.launcher; + +import static org.apache.tuscany.sca.node.launcher.NodeLauncherUtil.node; + +import java.io.IOException; +import java.util.logging.Level; +import java.util.logging.Logger; + +/** + * A launcher for SCA nodes. + * + * @version $Rev$ $Date$ + */ +public class NodeLauncher { + + final static Logger logger = Logger.getLogger(NodeLauncher.class.getName()); + + /** + * Constructs a new node launcher. + */ + private NodeLauncher() { + } + + /** + * Returns a new launcher instance. + * + * @return a new launcher instance + */ + public static NodeLauncher newInstance() { + return new NodeLauncher(); + } + + /** + * Creates a new node. + * + * @param configurationURI + * @return a new node + * @throws LauncherException + */ + public <T> T createNode(String configurationURI) throws LauncherException { + return (T)node(configurationURI, null, null); + } + + /** + * Represents an SCA contribution uri + location. + */ + public final static class Contribution { + private String uri; + private String location; + + /** + * Constructs a new SCA contribution. + * + * @param uri + * @param location + */ + public Contribution(String uri, String location) { + this.uri = uri; + this.location = location; + } + + public String getURI() { + return uri; + } + + public String getLocation() { + return location; + } + } + + /** + * Creates a new Node. + * + * @param compositeURI + * @param contributions + * @return a new node + * @throws LauncherException + */ + public <T> T createNode(String compositeURI, Contribution...contributions) throws LauncherException { + return (T)node(null, compositeURI, contributions); + } + + public static void main(String[] args) throws Exception { + logger.info("Apache Tuscany SCA Node starting..."); + + // Create a node + NodeLauncher launcher = newInstance(); + String configurationURI = args[0]; + logger.info("SCA Node configuration: " + configurationURI); + Object node = launcher.createNode(configurationURI); + + // Start the node + try { + node.getClass().getMethod("start").invoke(node); + } catch (Exception e) { + logger.log(Level.SEVERE, "SCA Node could not be started", e); + throw e; + } + logger.info("SCA Node started."); + + logger.info("Press enter to shutdown."); + try { + System.in.read(); + } catch (IOException e) {} + + // Stop the node + try { + node.getClass().getMethod("stop").invoke(node); + } catch (Exception e) { + logger.log(Level.SEVERE, "SCA Node could not be stopped", e); + throw e; + } + } + +} diff --git a/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncherUtil.java b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncherUtil.java new file mode 100644 index 0000000000..6abd571b31 --- /dev/null +++ b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncherUtil.java @@ -0,0 +1,472 @@ +/* + * 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.node.launcher; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FilenameFilter; +import java.io.IOException; +import java.lang.reflect.Constructor; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +import java.net.URLClassLoader; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Enumeration; +import java.util.List; +import java.util.logging.Level; +import java.util.logging.Logger; + +/** + * Common functions and constants used by the admin components. + * + * @version $Rev$ $Date$ + */ +final class NodeLauncherUtil { + + private final static Logger logger = Logger.getLogger(NodeLauncherUtil.class.getName()); + + private static final String TUSCANY_HOME = "TUSCANY_HOME"; + + + /** + * Returns a ClassLoader for the Tuscany runtime JARs for use in a standalone + * J2SE environment. + * + * @param parentClassLoader + * + * @return + */ + static ClassLoader standAloneRuntimeClassLoader(ClassLoader parentClassLoader) throws FileNotFoundException, URISyntaxException, MalformedURLException { + return runtimeClassLoader(parentClassLoader, new StandAloneJARFileNameFilter()); + } + + /** + * Returns a ClassLoader for the Tuscany runtime JARs for use in a Webapp + * environment. + * + * @param parentClassLoader + * + * @return + */ + static ClassLoader webAppRuntimeClassLoader(ClassLoader parentClassLoader) throws FileNotFoundException, URISyntaxException, MalformedURLException { + return runtimeClassLoader(parentClassLoader, new WebAppJARFileNameFilter()); + } + + /** + * Returns a ClassLoader for the Tuscany runtime JARs. + * + * @param parentClassLoader + * @param filter + * + * @return + */ + static private ClassLoader runtimeClassLoader(ClassLoader parentClassLoader, FilenameFilter filter) throws FileNotFoundException, URISyntaxException, MalformedURLException { + + // Build list of runtime JARs + List<URL> jarURLs = new ArrayList<URL>(); + + // First determine the path to the launcher class + String resource = NodeLauncherUtil.class.getName().replace('.', '/') + ".class"; + URL url = NodeLauncherUtil.class.getClassLoader().getResource(resource); + if (url == null) { + throw new FileNotFoundException(resource); + } + URI uri = url.toURI(); + + // If the launcher class is in a JAR, add all runtime JARs from directory containing + // that JAR (e.g. the Tuscany modules directory) as well as the ../modules and + // ../lib directories + String scheme = uri.getScheme(); + if (scheme.equals("jar")) { + String path = uri.toString().substring(4); + int i = path.indexOf("!/"); + if (i != -1) { + path = path.substring(0, i); + uri = URI.create(path); + } + + File file = new File(uri); + if (file.exists()) { + File jarDirectory = file.getParentFile(); + if (jarDirectory != null && jarDirectory.exists()) { + + // Collect JAR files from the directory containing the input JAR + // (e.g. the Tuscany modules directory) + collectJARFiles(jarDirectory, jarURLs, filter); + + File homeDirectory = jarDirectory.getParentFile(); + if (homeDirectory != null && homeDirectory.exists()) { + + // Collect JARs from the ../modules directory + File modulesDirectory = new File(homeDirectory, "modules"); + if (modulesDirectory.exists() && !modulesDirectory.getAbsolutePath().equals(jarDirectory.getAbsolutePath())) { + collectJARFiles(modulesDirectory, jarURLs, filter); + } + + // Collect JARs from the ../lib directory + File libDirectory = new File(homeDirectory, "lib"); + if (libDirectory.exists() && !libDirectory.getAbsolutePath().equals(jarDirectory.getAbsolutePath())) { + collectJARFiles(libDirectory, jarURLs, filter); + } + + } + } + } + } + + // Look for a TUSCANY_HOME system property or environment variable + // Add all the JARs found under $TUSCANY_HOME, $TUSCANY_HOME/modules + // and $TUSCANY_HOME/lib + String home = System.getProperty(TUSCANY_HOME); + if (home == null || home.length() == 0) { + home = System.getenv(TUSCANY_HOME); + } + if (home != null && home.length() != 0) { + logger.info(TUSCANY_HOME + ": " + home); + File homeDirectory = new File(home); + if (homeDirectory.exists()) { + + // Collect files under $TUSCANY_HOME + collectJARFiles(homeDirectory, jarURLs, filter); + + // Collect files under $TUSCANY_HOME/modules + File modulesDirectory = new File(homeDirectory, "modules"); + if (modulesDirectory.exists()) { + collectJARFiles(modulesDirectory, jarURLs, filter); + } + + // Collect files under $TUSCANY_HOME/lib + File libDirectory = new File(homeDirectory, "lib"); + if (libDirectory.exists()) { + collectJARFiles(libDirectory, jarURLs, filter); + } + } + } + + // Return the runtime class loader + if (!jarURLs.isEmpty()) { + + // Return a ClassLoader configured with the runtime JARs + ClassLoader classLoader = new RuntimeClassLoader(jarURLs.toArray(new URL[0]), parentClassLoader); + return classLoader; + + } else { + return null; + } + } + + /** + * Collect JAR files in the given directory + * @param directory + * @param urls + * @param filter + * @throws MalformedURLException + */ + private static void collectJARFiles(File directory, List<URL> urls, FilenameFilter filter) throws MalformedURLException { + File[] files = directory.listFiles(filter); + if (files != null) { + int count = 0; + for (File file: files) { + URL url = file.toURI().toURL(); + + // Collect URL of the JAR file, make sure that there are no + // duplicates in the list + if (!urls.contains(url)) { + urls.add(url); + count++; + } + } + if (count != 0) { + logger.info("Runtime classpath: "+ count + " JAR" + (count > 1? "s":"")+ " from " + directory.toString()); + } + } + } + + /** + * A file name filter used to filter JAR files. + */ + private static class StandAloneJARFileNameFilter implements FilenameFilter { + + public boolean accept(File dir, String name) { + name = name.toLowerCase(); + + // Exclude tuscany-sca-all and tuscany-sca-manifest as they duplicate + // code in the individual runtime module JARs + if (name.startsWith("tuscany-sca-all")) { + return false; + } + if (name.startsWith("tuscany-sca-manifest")) { + return false; + } + + // Filter out the Jetty and Webapp hosts + if (name.startsWith("tuscany-host-jetty") || + name.startsWith("tuscany-host-webapp")) { + //FIXME This is temporary + return false; + } + + // Include JAR and MAR files + if (name.endsWith(".jar")) { + return true; + } + if (name.endsWith(".mar")) { + return true; + } + return false; + } + } + + /** + * A file name filter used to filter JAR files. + */ + private static class WebAppJARFileNameFilter extends StandAloneJARFileNameFilter { + + public boolean accept(File dir, String name) { + if (!super.accept(dir, name)) { + return false; + } + name = name.toLowerCase(); + + // Exclude servlet-api JARs + if (name.startsWith("servlet-api")) { + return false; + } + + // Filter out the Tomcat host + if (name.startsWith("tuscany-host-tomcat")) { + //FIXME This is temporary + return false; + } + + return true; + } + } + + + /** + * Creates a new node. + * + * @param compositeURI + * @param contributions + * @throws LauncherException + */ + static Object node(String configurationURI, String compositeURI, NodeLauncher.Contribution[] contributions) throws LauncherException { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + // Set up runtime ClassLoader + ClassLoader runtimeClassLoader = runtimeClassLoader(Thread.currentThread().getContextClassLoader(), + new StandAloneJARFileNameFilter()); + if (runtimeClassLoader != null) { + Thread.currentThread().setContextClassLoader(runtimeClassLoader); + } + + // Use Java reflection to create the node as only the runtime class + // loader knows the runtime classes required by the node + String className = "org.apache.tuscany.sca.implementation.node.launcher.NodeImplementationLauncherBootstrap"; + Class<?> bootstrapClass; + if (runtimeClassLoader != null) { + bootstrapClass = Class.forName(className, true, runtimeClassLoader); + } else { + bootstrapClass = Class.forName(className); + } + Object bootstrap; + if (configurationURI != null) { + + // Construct the node with a configuration URI + bootstrap = bootstrapClass.getConstructor(String.class).newInstance(configurationURI); + + } else { + + // Construct the node with a composite URI and the URIs and + // locations of a list of contributions + Constructor<?> constructor = bootstrapClass.getConstructor(String.class, String[].class, String[].class); + String[] uris = new String[contributions.length]; + String[] locations = new String[contributions.length]; + for (int i = 0; i < contributions.length; i++) { + uris[i] = contributions[i].getURI(); + locations[i] = contributions[i].getLocation(); + } + bootstrap = constructor.newInstance(compositeURI, uris, locations); + } + + Object node = bootstrapClass.getMethod("getNode").invoke(bootstrap); + return node; + + } catch (Exception e) { + NodeLauncher.logger.log(Level.SEVERE, "SCA Node could not be created", e); + throw new LauncherException(e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + + /** + * Creates a new node daemon. + * + * @throws LauncherException + */ + static Object nodeDaemon() throws LauncherException { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + // Set up runtime ClassLoader + ClassLoader runtimeClassLoader = runtimeClassLoader(Thread.currentThread().getContextClassLoader(), + new StandAloneJARFileNameFilter()); + if (runtimeClassLoader != null) { + Thread.currentThread().setContextClassLoader(runtimeClassLoader); + } + + // Use Java reflection to create the node daemon as only the runtime class + // loader knows the runtime classes required by the node + String className = "org.apache.tuscany.sca.implementation.node.launcher.NodeImplementationDaemonBootstrap"; + Class<?> bootstrapClass; + if (runtimeClassLoader != null) { + bootstrapClass = Class.forName(className, true, runtimeClassLoader); + } else { + bootstrapClass = Class.forName(className); + } + Object bootstrap = bootstrapClass.getConstructor().newInstance(); + + Object nodeDaemon = bootstrapClass.getMethod("getNode").invoke(bootstrap); + return nodeDaemon; + + } catch (Exception e) { + NodeLauncher.logger.log(Level.SEVERE, "SCA Node Daemon could not be created", e); + throw new LauncherException(e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + + /** + * Creates a new domain manager. + * + * @throws LauncherException + */ + static Object domainManager() throws LauncherException { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + // Set up runtime ClassLoader + ClassLoader runtimeClassLoader = runtimeClassLoader(Thread.currentThread().getContextClassLoader(), + new StandAloneJARFileNameFilter()); + if (runtimeClassLoader != null) { + Thread.currentThread().setContextClassLoader(runtimeClassLoader); + } + + // Use Java reflection to create the node daemon as only the runtime class + // loader knows the runtime classes required by the node + String className = "org.apache.tuscany.sca.workspace.admin.launcher.DomainManagerLauncherBootstrap"; + Class<?> bootstrapClass; + if (runtimeClassLoader != null) { + bootstrapClass = Class.forName(className, true, runtimeClassLoader); + } else { + bootstrapClass = Class.forName(className); + } + Object bootstrap = bootstrapClass.getConstructor().newInstance(); + + Object domainManager = bootstrapClass.getMethod("getNode").invoke(bootstrap); + return domainManager; + + } catch (Exception e) { + NodeLauncher.logger.log(Level.SEVERE, "SCA Domain Manager could not be created", e); + throw new LauncherException(e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + + /** + * Simple URL class loader for the runtime JARs + */ + private static class RuntimeClassLoader extends URLClassLoader { + private final static ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader(); + private ClassLoader parent; + + /** + * Constructs a new class loader. + * @param urls + * @param parent + */ + private RuntimeClassLoader(URL[] urls, ClassLoader parent) { + super(urls); + this.parent = parent; + } + + @Override + public URL findResource(String name) { + URL url = super.findResource(name); + if (url == null) { + url = parent.getResource(name); + } + return url; + } + + @Override + public Enumeration<URL> findResources(String name) throws IOException { + Enumeration<URL> resources = super.findResources(name); + Enumeration<URL> parentResources = parent.getResources(name); + List<URL> allResources = new ArrayList<URL>(); + for (; resources.hasMoreElements(); ) { + allResources.add(resources.nextElement()); + } + for (; parentResources.hasMoreElements(); ) { + allResources.add(parentResources.nextElement()); + } + return Collections.enumeration(allResources); + } + + @Override + protected Class<?> findClass(String name) throws ClassNotFoundException { + Class<?> cl; + + // First try to load the class using the parent classloader + try { + cl = parent.loadClass(name); + ClassLoader loadedBy = cl.getClassLoader(); + + // If the class was not loaded directly by the parent classloader + // or the system classloader try to load a local version of the class + // using our RuntimeClassloader instead + if (loadedBy != parent && + loadedBy != systemClassLoader && + loadedBy != null) { + + try { + cl = super.findClass(name); + } catch (ClassNotFoundException e) { + // No class alternative was found in our RuntimeClassloader, + // use the class found in the parent classloader hierarchy + } + } + } catch (ClassNotFoundException e) { + + // The class was not found by the parent class loader, try + // to load it using our RuntimeClassloader + cl = super.findClass(name); + } + + return cl; + } + } + +} diff --git a/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeMain.java b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeMain.java new file mode 100644 index 0000000000..eafe4ddaa0 --- /dev/null +++ b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeMain.java @@ -0,0 +1,44 @@ +/* + * 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.node.launcher; + + +/** + * Main class for this JAR. + * With no arguments this class launches the SCA Node Daemon. + * With a "domain" argument it launches the SCA domain admin node. + * With any other argument it launches an SCA Node. + * + * @version $Rev$ $Date$ + */ +public class NodeMain { + + public static void main(String[] args) throws Exception { + if (args.length != 0) { + if (args[0].equals("domain")) { + DomainManagerLauncher.main(args); + } else { + NodeLauncher.main(args); + } + } else { + NodeDaemonLauncher.main(args); + } + } +} diff --git a/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeServletFilter.java b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeServletFilter.java new file mode 100644 index 0000000000..63515b9cd1 --- /dev/null +++ b/branches/sca-java-1.2.1/modules/node2-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeServletFilter.java @@ -0,0 +1,128 @@ +/* + * 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.node.launcher; + +import static org.apache.tuscany.sca.node.launcher.NodeLauncherUtil.webAppRuntimeClassLoader; + +import java.io.IOException; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.servlet.Filter; +import javax.servlet.FilterConfig; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; + +/** + * A Servlet filter that forwards service requests to the Servlets registered with + * the Tuscany ServletHost. + * + * @version $Rev: 639872 $ $Date: 2008-03-21 14:42:27 -0700 (Fri, 21 Mar 2008) $ + */ +public class NodeServletFilter implements Filter { + private static final long serialVersionUID = 1L; + + private static final Logger logger = Logger.getLogger(NodeServletFilter.class.getName()); + + private ClassLoader runtimeClassLoader; + private Class<?> servletHostClass; + private Object servletHost; + private Filter filter; + + public void init(FilterConfig filterConfig) throws ServletException { + logger.info("Apache Tuscany SCA WebApp Node starting..."); + + try { + // Get the Tuscany runtime ClassLoader + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + runtimeClassLoader = webAppRuntimeClassLoader(getClass().getClassLoader()); + + try { + if (runtimeClassLoader != null) { + Thread.currentThread().setContextClassLoader(runtimeClassLoader); + } + + // Load the Tuscany WebApp Servlet host and get the host instance + // for the current webapp + String className = "org.apache.tuscany.sca.implementation.node.webapp.NodeWebAppServletHost"; + if (runtimeClassLoader != null) { + servletHostClass = Class.forName(className, true, runtimeClassLoader); + } else { + servletHostClass = Class.forName(className); + } + servletHost = servletHostClass.getMethod("servletHost").invoke(null); + + // Initialize the Servlet host + servletHostClass.getMethod("init", FilterConfig.class).invoke(servletHost, filterConfig); + + // The Servlet host also implements the filter interface + filter = (Filter)servletHost; + + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + + } catch (Exception e) { + logger.log(Level.SEVERE, "Error Starting SCA WebApp Node", e); + throw new ServletException(e); + } + + logger.info("SCA WebApp Node started."); + } + + public void destroy() { + logger.info("Apache Tuscany WebApp Node stopping..."); + if (servletHost != null) { + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + if (runtimeClassLoader != null) { + Thread.currentThread().setContextClassLoader(runtimeClassLoader); + } + + servletHostClass.getMethod("destroy").invoke(servletHost); + + } catch (Exception e) { + logger.log(Level.SEVERE, "Error Stopping SCA WebApp Node", e); + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + logger.info("SCA WebApp Node stopped."); + } + + public void doFilter(ServletRequest request, ServletResponse response, javax.servlet.FilterChain chain) + throws IOException, ServletException { + + // Delegate to the Servlet host filter + ClassLoader tccl = Thread.currentThread().getContextClassLoader(); + try { + if (runtimeClassLoader != null) { + Thread.currentThread().setContextClassLoader(runtimeClassLoader); + } + + filter.doFilter(request, response, chain); + + } finally { + Thread.currentThread().setContextClassLoader(tccl); + } + } + +} |