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authorlresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>2009-11-13 01:42:27 +0000
committerlresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>2009-11-13 01:42:27 +0000
commit3c7c4a749baafcf375f4785a7668d3a25c9063e3 (patch)
treea66b8b031c5dc6c7744f44b44b6bcd371bd0b8df /sca-java-1.x/trunk/modules/node-launcher/src/main/java
parenteb03ff672236cddf65533f39b83ddd5e2984a2bb (diff)
Moving 1.x trunk
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835700 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/trunk/modules/node-launcher/src/main/java')
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/Contribution.java48
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/DomainManagerLauncher.java179
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/LauncherException.java55
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeDaemonLauncher.java168
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java238
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncherUtil.java543
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeMain.java44
-rw-r--r--sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeServletFilter.java130
8 files changed, 1405 insertions, 0 deletions
diff --git a/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/Contribution.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/Contribution.java
new file mode 100644
index 0000000000..4f4f861e2f
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/Contribution.java
@@ -0,0 +1,48 @@
+/*
+ * 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;
+
+/**
+ * Represents an SCA contribution uri + location.
+ *
+ * @version $Rev$ $Date$
+ */
+public final 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;
+ }
+} \ No newline at end of file
diff --git a/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/DomainManagerLauncher.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/DomainManagerLauncher.java
new file mode 100644
index 0000000000..eb06ad7411
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/DomainManagerLauncher.java
@@ -0,0 +1,179 @@
+/*
+ * 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 {
+
+ static final 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(".");
+ }
+
+ /**
+ * Creates a new DomainManager.
+ *
+ * @param rootDirectory the domain's root configuration directory
+ *
+ * @return a new DomainManager
+ * @throws LauncherException
+ */
+ public <T> T createDomainManager(String rootDirectory) throws LauncherException {
+ return (T)domainManager(rootDirectory);
+ }
+
+ public static void main(String[] args) throws Exception {
+ logger.info("Apache Tuscany SCA Domain Manager is starting...");
+
+ // Create a launcher
+ DomainManagerLauncher launcher = newInstance();
+
+ Object domainManager = null;
+ ShutdownThread shutdown = null;
+ try {
+ while (true) {
+
+ // Start the domain manager
+ domainManager = launcher.createDomainManager();
+ 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 is now started.");
+
+ // Install a shutdown hook
+ shutdown = new ShutdownThread(domainManager);
+ Runtime.getRuntime().addShutdownHook(shutdown);
+
+ logger.info("Press 'q' to quit, 'r' to restart.");
+ int k = 0;
+ try {
+ while ((k != 'q') && (k != 'r')) {
+ k = System.in.read();
+ }
+ } catch (IOException e) {
+
+ // Wait forever
+ Object lock = new Object();
+ synchronized(lock) {
+ lock.wait();
+ }
+ }
+
+ // Stop the domain manager
+ if (domainManager != null) {
+ Object dm = domainManager;
+ domainManager = null;
+ stopDomainManager(dm);
+ }
+
+ // Quit
+ if (k == 'q' ) {
+ break;
+ }
+ }
+ } catch (Exception e) {
+ // Stop the domain manager
+ if (domainManager != null) {
+ try {
+ Object dm = domainManager;
+ domainManager = null;
+ stopDomainManager(dm);
+ } catch (Exception e2) {
+ }
+ }
+ throw e;
+
+ } finally {
+
+ // Remove the shutdown hook
+ if (shutdown != null) {
+ Runtime.getRuntime().removeShutdownHook(shutdown);
+ }
+ }
+ }
+
+ /**
+ * Stop the given domain manager.
+ *
+ * @param domainManager
+ * @throws Exception
+ */
+ private static void stopDomainManager(Object domainManager) throws Exception {
+ try {
+ domainManager.getClass().getMethod("stop").invoke(domainManager);
+ logger.info("SCA Domain Manager is now stopped.");
+ } catch (Exception e) {
+ logger.log(Level.SEVERE, "SCA Domain Manager could not be stopped", e);
+ throw e;
+ }
+ }
+
+ private static class ShutdownThread extends Thread {
+ private Object domainManager;
+
+ public ShutdownThread(Object domainManager) {
+ super();
+ this.domainManager = domainManager;
+ }
+
+ public void run() {
+ try {
+ stopDomainManager(domainManager);
+ } catch (Exception e) {
+ // Ignore
+ }
+ }
+ }
+}
diff --git a/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/LauncherException.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/LauncherException.java
new file mode 100644
index 0000000000..39e8d81139
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-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/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeDaemonLauncher.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeDaemonLauncher.java
new file mode 100644
index 0000000000..7cfabfe265
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeDaemonLauncher.java
@@ -0,0 +1,168 @@
+/*
+ * 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 {
+
+ static final 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 is starting...");
+
+ // Create a node launcher
+ NodeDaemonLauncher launcher = newInstance();
+
+ Object node = null;
+ ShutdownThread shutdown = null;
+ try {
+ while (true) {
+
+ // Start the node
+ node = launcher.createNodeDaemon();
+ try {
+ node.getClass().getMethod("start").invoke(node);
+ } catch (Exception e) {
+ logger.log(Level.SEVERE, "SCA Node Daemon could not be started", e);
+ throw e;
+ }
+ logger.info("SCA Node Daemon is now started.");
+
+ // Install a shutdown hook
+ shutdown = new ShutdownThread(node);
+ Runtime.getRuntime().addShutdownHook(shutdown);
+
+ logger.info("Press 'q' to quit, 'r' to restart.");
+ int k = 0;
+ try {
+ while ((k != 'q') && (k != 'r')) {
+ k = System.in.read();
+ }
+ } catch (IOException e) {
+
+ // Wait forever
+ Object lock = new Object();
+ synchronized(lock) {
+ lock.wait();
+ }
+ }
+
+ // Stop the node
+ if (node != null) {
+ Object n = node;
+ node = null;
+ stopNode(n);
+ }
+
+ // Quit
+ if (k == 'q' ) {
+ break;
+ }
+ }
+ } catch (Exception e) {
+ // Stop the node
+ if (node != null) {
+ try {
+ Object n = node;
+ node = null;
+ stopNode(n);
+ } catch (Exception e2) {
+ }
+ }
+ throw e;
+
+ } finally {
+
+ // Remove the shutdown hook
+ if (shutdown != null) {
+ Runtime.getRuntime().removeShutdownHook(shutdown);
+ }
+ }
+ }
+
+ /**
+ * Stop the given node.
+ *
+ * @param node
+ * @throws Exception
+ */
+ private static void stopNode(Object node) throws Exception {
+ try {
+ node.getClass().getMethod("stop").invoke(node);
+ logger.info("SCA Node Daemon is now stopped.");
+ } catch (Exception e) {
+ logger.log(Level.SEVERE, "SCA Node Daemon could not be stopped", e);
+ throw e;
+ }
+ }
+
+ private static class ShutdownThread extends Thread {
+ private Object node;
+
+ public ShutdownThread(Object node) {
+ super();
+ this.node = node;
+ }
+
+ public void run() {
+ try {
+ stopNode(node);
+ } catch (Exception e) {
+ // Ignore
+ }
+ }
+ }
+}
diff --git a/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java
new file mode 100644
index 0000000000..74d47ceb55
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncher.java
@@ -0,0 +1,238 @@
+/*
+ * 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 {
+
+ static final 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 SCA node from the configuration URL
+ *
+ * @param configurationURL the URL of the node configuration which is the ATOM feed
+ * that contains the URI of the composite and a collection of URLs for the contributions
+ *
+ * @return a new SCA node.
+ * @throws LauncherException
+ */
+ public <T> T createNodeFromURL(String configurationURL) throws LauncherException {
+ return (T)node(configurationURL, null, null, null, null);
+ }
+
+ /**
+ * Creates a new SCA Node.
+ *
+ * @param compositeURI the URI of the composite to use
+ * @param contributions the URI of the contributions that provides the composites and related
+ * artifacts. If the list is empty, then we will use the thread context classloader to discover
+ * the contribution on the classpath
+ *
+ * @return a new SCA node.
+ * @throws LauncherException
+ */
+ public <T> T createNode(String compositeURI, Contribution...contributions) throws LauncherException {
+ return (T)node(null, compositeURI, null, contributions, null);
+ }
+
+ /**
+ * Creates a new SCA Node.
+ *
+ * @param compositeURI the URI of the composite to use
+ * @param compositeContent the XML content of the composite to use
+ * @param contributions the URI of the contributions that provides the composites and related artifacts
+ * @return a new SCA node.
+ * @throws LauncherException
+ */
+ public <T> T createNode(String compositeURI, String compositeContent, Contribution...contributions) throws LauncherException {
+ return (T)node(null, compositeURI, compositeContent, contributions, null);
+ }
+
+ /**
+ * Create a SCA node based on the discovery of the contribution on the classpath for the
+ * given classloader. This method should be treated a convenient shortcut with the following
+ * assumptions:
+ * <ul>
+ * <li>This is a standalone application and there is a deployable composite file on the classpath.
+ * <li>There is only one contribution which contains the deployable composite file physically in its packaging hierarchy.
+ * </ul>
+ *
+ * @param compositeURI The URI of the composite file relative to the root of the enclosing contribution
+ * @param classLoader The ClassLoader used to load the composite file as a resource. If the value is null,
+ * then thread context classloader will be used
+ * @return A newly created SCA node
+ */
+ public <T> T createNodeFromClassLoader(String compositeURI, ClassLoader classLoader) throws LauncherException {
+ return (T)node(null, compositeURI, null, null, classLoader);
+ }
+
+ public static void main(String[] args) throws Exception {
+ logger.info("Apache Tuscany SCA Node is starting...");
+
+ // Create a node launcher
+ NodeLauncher launcher = newInstance();
+
+ Object node = null;
+ ShutdownThread shutdown = null;
+ try {
+ while (true) {
+ if (args.length ==1) {
+
+ // Create a node from a configuration URI
+ String configurationURI = args[0];
+ logger.info("SCA Node configuration: " + configurationURI);
+ node = launcher.createNodeFromURL(configurationURI);
+ } else {
+
+ // Create a node from a composite URI and a contribution location
+ String compositeURI = args[0];
+ if ("-".equals(compositeURI)) {
+ compositeURI = null;
+ } else {
+ logger.info("SCA composite: " + compositeURI);
+ }
+ Contribution contributions[] = new Contribution[args.length - 1];
+ for (int i = 1; i < args.length; i++) {
+ String contributionLocation = args[i];
+ logger.info("SCA contribution: " + contributionLocation);
+ contributions[i - 1] = new Contribution("contribution" + (i - 1), contributionLocation);
+ }
+ node = launcher.createNode(compositeURI, contributions);
+ }
+
+ // 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 is now started.");
+
+ // Install a shutdown hook
+ shutdown = new ShutdownThread(node);
+ Runtime.getRuntime().addShutdownHook(shutdown);
+
+ logger.info("Press 'q' to quit, 'r' to restart.");
+ int k = 0;
+ try {
+ while ((k != 'q') && (k != 'r')) {
+ k = System.in.read();
+ }
+ } catch (IOException e) {
+
+ // Wait forever
+ Object lock = new Object();
+ synchronized(lock) {
+ lock.wait();
+ }
+ }
+
+ // Stop the node
+ if (node != null) {
+ Object n = node;
+ node = null;
+ stopNode(n);
+ }
+
+ // Quit
+ if (k == 'q' ) {
+ break;
+ }
+ }
+ } catch (Exception e) {
+ // Stop the node
+ if (node != null) {
+ try {
+ Object n = node;
+ node = null;
+ stopNode(n);
+ } catch (Exception e2) {
+ }
+ }
+ throw e;
+
+ } finally {
+
+ // Remove the shutdown hook
+ if (shutdown != null) {
+ Runtime.getRuntime().removeShutdownHook(shutdown);
+ }
+ }
+ }
+
+ /**
+ * Stop the given node.
+ *
+ * @param node
+ * @throws Exception
+ */
+ private static void stopNode(Object node) throws Exception {
+ try {
+ node.getClass().getMethod("stop").invoke(node);
+ logger.info("SCA Node is now stopped.");
+ } catch (Exception e) {
+ logger.log(Level.SEVERE, "SCA Node could not be stopped", e);
+ throw e;
+ }
+ }
+
+ private static class ShutdownThread extends Thread {
+ private Object node;
+
+ public ShutdownThread(Object node) {
+ super();
+ this.node = node;
+ }
+
+ public void run() {
+ try {
+ stopNode(node);
+ } catch (Exception e) {
+ // Ignore
+ }
+ }
+ }
+}
diff --git a/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncherUtil.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncherUtil.java
new file mode 100644
index 0000000000..59d050734c
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeLauncherUtil.java
@@ -0,0 +1,543 @@
+/*
+ * 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.lang.reflect.InvocationTargetException;
+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.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.StringTokenizer;
+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 static final Logger logger = Logger.getLogger(NodeLauncherUtil.class.getName());
+
+ private static final String TUSCANY_HOME = "TUSCANY_HOME";
+ private static final String TUSCANY_PATH = "TUSCANY_PATH";
+
+
+ /**
+ * 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
+ */
+ private static ClassLoader runtimeClassLoader(ClassLoader parentClassLoader, FilenameFilter filter) throws FileNotFoundException, URISyntaxException, MalformedURLException {
+
+ // Build list of runtime JARs
+ Set<URL> jarDirectoryURLs = new HashSet<URL>();
+ 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)
+ URL jarDirectoryURL = jarDirectory.toURI().toURL();
+ jarDirectoryURLs.add(jarDirectoryURL);
+ 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");
+ URL modulesDirectoryURL = modulesDirectory.toURI().toURL();
+ if (!jarDirectoryURLs.contains(modulesDirectoryURL) && modulesDirectory.exists()) {
+ jarDirectoryURLs.add(modulesDirectoryURL);
+ collectJARFiles(modulesDirectory, jarURLs, filter);
+ }
+
+ // Collect JARs from the ../lib directory
+ File libDirectory = new File(homeDirectory, "lib");
+ URL libDirectoryURL = libDirectory.toURI().toURL();
+ if (!jarDirectoryURLs.contains(libDirectoryURL) && libDirectory.exists()) {
+ jarDirectoryURLs.add(libDirectoryURL);
+ 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.fine(TUSCANY_HOME + ": " + home);
+ collectJARFiles(home, jarDirectoryURLs, jarURLs, filter);
+ }
+
+ // Look for a TUSCANY_PATH system property or environment variable
+ // Add all the JARs found under $TUSCANY_PATH, $TUSCANY_PATH/modules
+ // and $TUSCANY_PATH/lib
+ String ext = System.getProperty(TUSCANY_PATH);
+ if (ext == null || ext.length() == 0) {
+ ext = System.getenv(TUSCANY_PATH);
+ }
+ if (ext != null && ext.length() != 0) {
+ logger.fine(TUSCANY_PATH + ": " + ext);
+ String separator = System.getProperty("path.separator");
+ for (StringTokenizer tokens = new StringTokenizer(ext, separator); tokens.hasMoreTokens(); ) {
+ collectJARFiles(tokens.nextToken(), jarDirectoryURLs, 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[jarURLs.size()]), parentClassLoader);
+ return classLoader;
+
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Collect JAR files under the given directory.
+ *
+ * @param directory
+ * @param jarDirectoryURLs
+ * @param jarURLs
+ * @param filter
+ * @throws MalformedURLException
+ */
+ private static void collectJARFiles(String directory, Set<URL> jarDirectoryURLs, List<URL> jarURLs, FilenameFilter filter)
+ throws MalformedURLException {
+ File directoryFile = new File(directory);
+ URL directoryURL = directoryFile.toURI().toURL();
+ if (!jarDirectoryURLs.contains(directoryURL) && directoryFile.exists()) {
+
+ // Collect files under $TUSCANY_HOME
+ jarDirectoryURLs.add(directoryURL);
+ collectJARFiles(directoryFile, jarURLs, filter);
+
+ // Collect files under $TUSCANY_HOME/modules
+ File modulesDirectory = new File(directoryFile, "modules");
+ URL modulesDirectoryURL = modulesDirectory.toURI().toURL();
+ if (!jarDirectoryURLs.contains(modulesDirectoryURL) && modulesDirectory.exists()) {
+ jarDirectoryURLs.add(modulesDirectoryURL);
+ collectJARFiles(modulesDirectory, jarURLs, filter);
+ }
+
+ // Collect files under $TUSCANY_HOME/lib
+ File libDirectory = new File(directoryFile, "lib");
+ URL libDirectoryURL = libDirectory.toURI().toURL();
+ if (!jarDirectoryURLs.contains(libDirectoryURL) && libDirectory.exists()) {
+ jarDirectoryURLs.add(libDirectoryURL);
+ collectJARFiles(libDirectory, jarURLs, filter);
+ }
+ }
+ }
+
+ /**
+ * 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 {
+ String[] files = directory.list(filter);
+ if (files != null) {
+ URL directoryURL = new URL(directory.toURI().toString() + "/");
+ int count = 0;
+ for (String file: files) {
+ URL url = new URL(directoryURL, file);
+ urls.add(url);
+ count++;
+ }
+ if (count != 0) {
+ logger.fine("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 Tomcat and Webapp hosts
+ if (name.startsWith("tuscany-host-tomcat") ||
+ 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 {
+
+ @Override
+ 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;
+ }
+
+ // Exclude the Tomcat and Jetty hosts
+ if (name.startsWith("tuscany-host-tomcat") || name.startsWith("tuscany-host-jetty")) {
+ //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, String compositeContent, Contribution[] contributions, ClassLoader contributionClassLoader) 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 if (contributionClassLoader != null) {
+
+ // Construct the node with a compositeURI and a classloader
+ Constructor<?> constructor = bootstrapClass.getConstructor(String.class, ClassLoader.class);
+ bootstrap = constructor.newInstance(compositeURI, contributionClassLoader);
+
+ } else if (compositeContent != null) {
+
+ // Construct the node with a composite URI, the composite content and
+ // the URIs and locations of a list of contributions
+ Constructor<?> constructor = bootstrapClass.getConstructor(String.class, 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, compositeContent, uris, locations);
+
+ } 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) {
+ Throwable ce = e instanceof InvocationTargetException ? e.getCause() : e;
+ if (ce.getClass().getName().equals("org.osoa.sca.ServiceRuntimeException") &&
+ ce.getCause() != null &&
+ ce.getCause().getClass().getName().equals("org.apache.tuscany.sca.monitor.MonitorRuntimeException")) {
+ NodeLauncher.logger.log(Level.SEVERE, "SCA Node could not be created");
+ throw new LauncherException("SCA Node could not be created");
+ }
+ 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) {
+ NodeDaemonLauncher.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(String rootDirectory) 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.domain.manager.launcher.DomainManagerLauncherBootstrap";
+ Class<?> bootstrapClass;
+ if (runtimeClassLoader != null) {
+ bootstrapClass = Class.forName(className, true, runtimeClassLoader);
+ } else {
+ bootstrapClass = Class.forName(className);
+ }
+ Constructor<?> constructor = bootstrapClass.getConstructor(String.class);
+ Object bootstrap = constructor.newInstance(rootDirectory);
+
+ Object domainManager = bootstrapClass.getMethod("getNode").invoke(bootstrap);
+ return domainManager;
+
+ } catch (Exception e) {
+ DomainManagerLauncher.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 static final 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/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeMain.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeMain.java
new file mode 100644
index 0000000000..eafe4ddaa0
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-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/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeServletFilter.java b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeServletFilter.java
new file mode 100644
index 0000000000..5345363031
--- /dev/null
+++ b/sca-java-1.x/trunk/modules/node-launcher/src/main/java/org/apache/tuscany/sca/node/launcher/NodeServletFilter.java
@@ -0,0 +1,130 @@
+/*
+ * 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 $Rev$ $Date$
+ */
+public class NodeServletFilter implements Filter {
+ private static final long serialVersionUID = 1L;
+
+ private static final String NODE_WEB_APP_SERVLET_HOST = "org.apache.tuscany.sca.implementation.node.webapp.NodeWebAppServletHost";
+
+ 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 is 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 = NODE_WEB_APP_SERVLET_HOST;
+ 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);
+ }
+ }
+
+}