1 files changed, 154 insertions, 0 deletions
diff --git a/sandbox/axis2-1.4/modules/runtime-tomcat/src/main/java/org/apache/tuscany/sca/runtime/tomcat/TuscanyHost.java b/sandbox/axis2-1.4/modules/runtime-tomcat/src/main/java/org/apache/tuscany/sca/runtime/tomcat/TuscanyHost.java
new file mode 100644
index 0000000000..190fe137d9
--- /dev/null
+++ b/sandbox/axis2-1.4/modules/runtime-tomcat/src/main/java/org/apache/tuscany/sca/runtime/tomcat/TuscanyHost.java
@@ -0,0 +1,154 @@
+/*
+ * 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.runtime.tomcat;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.jar.JarFile;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.catalina.Container;
+import org.apache.catalina.LifecycleException;
+import org.apache.catalina.core.StandardContext;
+import org.apache.catalina.core.StandardEngine;
+import org.apache.catalina.core.StandardHost;
+import org.apache.catalina.deploy.FilterDef;
+import org.apache.catalina.deploy.FilterMap;
+
+/**
+ * To use this copy all the Tuscany jars to the Tomcat lib folder and update
+ * the Tomcat conf/server.xml <Host> to include className="org.apache.tuscany.sca.runtime.tomcat.TomcatHost"
+ * 
+ * For example: 
+ * 
+ * <Host name="localhost"  appBase="webapps"
+ *       className="org.apache.tuscany.sca.runtime.tomcat.TuscanyHost"
+ *       unpackWARs="true" autoDeploy="true"
+ *       xmlValidation="false" xmlNamespaceAware="false">
+ *       
+ *
+ * @version $Rev$ $Date$
+ */
+public class TuscanyHost extends StandardHost {
+    private static final long serialVersionUID = 1L;
+    private static final Logger logger = Logger.getLogger(TuscanyHost.class.getName());
+    
+    // TODO static for expedience, find a better way to share when/if this is working properly
+    protected static List<StandardContext> scaApps = new ArrayList<StandardContext>();
+
+    public synchronized void start() throws LifecycleException {
+        try {
+            logger.log(Level.INFO, "Starting Tuscany/SCA runtime");
+
+            super.start();
+            
+        } catch (Exception e) {
+            logger.log(Level.SEVERE, "Exception starting Tuscany/SCA runtime", e);
+        }
+    }
+
+    public synchronized void stop() throws LifecycleException {
+        try {
+            logger.log(Level.INFO, "Stopping Tuscany/SCA runtime");
+
+            super.stop();
+
+        } catch (Exception e) {
+            logger.log(Level.SEVERE, "Exception Stopping Tuscany/SCA runtime", e);
+        }
+    }
+
+    public synchronized void addChild(Container child) {
+        try {
+            if (isSCAApp(child)) {
+                initSCAApplication((StandardContext)child);
+            }
+        } catch (Exception e) {
+            logger.log(Level.WARNING, "Exception detecting SCA application " + child.getName(), e);
+        }
+        super.addChild(child);
+    }
+
+    /**
+     * Tests if the child is an SCA application by checking for the presence
+     * of either an sca-contribution.xml file or a sca-deployables folder
+     */
+    protected boolean isSCAApp(Container child) throws IOException {
+        if (child instanceof StandardContext) {
+            StandardContext sc = (StandardContext) child;
+            
+            if (sc.getDocBase().endsWith(".war")) {
+                JarFile jar = null;
+                try {
+                    jar = new JarFile(((StandardEngine)this.getParent()).getBaseDir() + "/" + getAppBase() + "/" + sc.getDocBase());
+
+                    if (jar.getEntry("META-INF/sca-deployables/") != null) {
+                        return true;
+                    }
+
+                    if (jar.getEntry("META-INF/sca-contribution.xml") != null) {
+                        return true;
+                    }
+
+                } finally {
+                    if (jar != null) {
+                        jar.close();
+                    }
+                }
+            } else {
+                File webappRoot = new File(sc.getConfigFile()).getParentFile().getParentFile();
+
+                File scaDeployables = new File(webappRoot, "META-INF/sca-deployables");
+                if (scaDeployables.exists()) {
+                    return true;
+                }
+
+                File scaContribution = new File(webappRoot, "META-INF/sca-contribution.xml");
+                if (scaContribution.exists()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    protected void initSCAApplication(StandardContext scaApp) {
+        logger.log(Level.INFO, "Initilizing SCA application: " + scaApp.getName());
+        
+        // Add the Tuscany ContextListener
+        scaApp.addApplicationListener(org.apache.tuscany.sca.host.webapp.TuscanyContextListener.class.getName());
+        
+        // Add the Tuscany Servlet Filter
+        FilterDef filterDef = new FilterDef();
+        filterDef.setFilterClass(org.apache.tuscany.sca.host.webapp.TuscanyServletFilter.class.getName());
+        filterDef.setFilterName(org.apache.tuscany.sca.host.webapp.TuscanyServletFilter.class.getName());
+        scaApp.addFilterDef(filterDef);
+        FilterMap filterMap = new FilterMap();
+        filterMap.setFilterName(filterDef.getFilterName());
+        filterMap.addURLPattern("/*");
+        scaApp.addFilterMap(filterMap);
+
+        scaApps.add(scaApp);
+    }
+
+}