Turn the module into a webapp

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@834562 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 165 insertions, 2 deletions

diff --git a/sandbox/rfeng/tuscany-provisioning/src/main/java/org/apache/tuscany/sca/provision/ExtensionIntrospector.java b/sandbox/rfeng/tuscany-provisioning/src/main/java/org/apache/tuscany/sca/provision/ExtensionIntrospector.java
index b44c0e3089..41e847f791 100644
--- a/sandbox/rfeng/tuscany-provisioning/src/main/java/org/apache/tuscany/sca/provision/ExtensionIntrospector.java
+++ b/sandbox/rfeng/tuscany-provisioning/src/main/java/org/apache/tuscany/sca/provision/ExtensionIntrospector.java
@@ -20,6 +20,9 @@
 package org.apache.tuscany.sca.provision;
 
 import java.lang.reflect.Field;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
@@ -54,6 +57,8 @@ import org.codehaus.plexus.embed.Embedder;
  */
 public class ExtensionIntrospector {
     private ExtensionPointRegistry registry;
+    private ClassLoader classLoader;
+
     private boolean loaded;
     private boolean offline;
     private MavenRuntime mavenRuntime = new DefaultMavenRuntime();
@@ -77,8 +82,35 @@ public class ExtensionIntrospector {
      * @param registry
      */
     public ExtensionIntrospector(ExtensionPointRegistry registry) {
-        super();
+        this(registry, null);
+    }
+
+    public ExtensionIntrospector(ExtensionPointRegistry registry, ClassLoader classLoader) {
         this.registry = (registry == null) ? new DefaultExtensionPointRegistry() : registry;
+        this.classLoader = (classLoader == null) ? ExtensionIntrospector.class.getClassLoader() : classLoader;
+    }
+
+    public ExtensionIntrospector() {
+        this(null, null);
+    }
+
+    public ExtensionIntrospector(URL distribution) {
+        this(null, createClassLoader(distribution));
+    }
+
+    private static ClassLoader createClassLoader(URL distribution) {
+        String url = distribution.toString();
+        if (!url.endsWith("/")) {
+            url = url + "/";
+        }
+        url = url + "features/tuscany-sca-manifest.jar";
+        URL path = null;
+        try {
+            path = new URL(url);
+        } catch (MalformedURLException e) {
+            throw new IllegalArgumentException(e);
+        }
+        return new URLClassLoader(new URL[] {path}, ExtensionIntrospector.class.getClassLoader());
     }
 
     public MavenProject findModule(String extensionType) {
@@ -318,7 +350,7 @@ public class ExtensionIntrospector {
     }
 
     public static String generateDojoData(String[] args) throws Exception {
-        ExtensionIntrospector introspector = new ExtensionIntrospector(null);
+        ExtensionIntrospector introspector = new ExtensionIntrospector();
         introspector.setOffline("true".equalsIgnoreCase(System.getProperty("offline")));
         introspector.start();
         Map<String, Collection<Artifact>> map = introspector.getDependencies(args);
diff --git a/sandbox/rfeng/tuscany-provisioning/src/main/java/org/apache/tuscany/sca/provision/servlet/ExtensionListerServlet.java b/sandbox/rfeng/tuscany-provisioning/src/main/java/org/apache/tuscany/sca/provision/servlet/ExtensionListerServlet.java
new file mode 100644
index 0000000000..791e9d11b7
--- /dev/null
+++ b/sandbox/rfeng/tuscany-provisioning/src/main/java/org/apache/tuscany/sca/provision/servlet/ExtensionListerServlet.java
@@ -0,0 +1,68 @@
+/*
+ * 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.provision.servlet;
+
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.provision.ExtensionIntrospector;
+
+/**
+ * Servlet implementation class ExtensionListerServlet
+ */
+public class ExtensionListerServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+    private String json;
+
+    /**
+     * Default constructor. 
+     */
+    public ExtensionListerServlet() {
+    }
+
+    /**
+     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
+     */
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        synchronized (this) {
+            if (json == null) {
+                try {
+                    json = ExtensionIntrospector.generateDojoData(new String[0]);
+                } catch (Exception e) {
+                    throw new ServletException(e);
+                }
+            }
+        }
+        response.setContentType("application/json");
+        response.getWriter().write(json);
+    }
+
+    /**
+     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
+     */
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException,
+        IOException {
+    }
+
+}
diff --git a/sandbox/rfeng/tuscany-provisioning/src/main/webapp/WEB-INF/web.xml b/sandbox/rfeng/tuscany-provisioning/src/main/webapp/WEB-INF/web.xml
new file mode 100644
index 0000000000..e64bb913cd
--- /dev/null
+++ b/sandbox/rfeng/tuscany-provisioning/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
+  <display-name>tuscany-provisioning-webapp</display-name>
+  <welcome-file-list>
+    <welcome-file>index.html</welcome-file>
+    <welcome-file>index.htm</welcome-file>
+    <welcome-file>index.jsp</welcome-file>
+    <welcome-file>default.html</welcome-file>
+    <welcome-file>default.htm</welcome-file>
+    <welcome-file>default.jsp</welcome-file>
+  </welcome-file-list>
+  <servlet>
+    <description></description>
+    <display-name>ExtensionListerServlet</display-name>
+    <servlet-name>ExtensionListerServlet</servlet-name>
+    <servlet-class>org.apache.tuscany.sca.provision.servlet.ExtensionListerServlet</servlet-class>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>ExtensionListerServlet</servlet-name>
+    <url-pattern>/extensions</url-pattern>
+  </servlet-mapping>
+</web-app>
\ No newline at end of file
diff --git a/sandbox/rfeng/tuscany-provisioning/src/main/webapp/index.html b/sandbox/rfeng/tuscany-provisioning/src/main/webapp/index.html
new file mode 100644
index 0000000000..fcd25979a5
--- /dev/null
+++ b/sandbox/rfeng/tuscany-provisioning/src/main/webapp/index.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>Tuscany Extensions</title>
+
+
+<link rel="stylesheet" type="text/css"
+	href="http://ajax.googleapis.com/ajax/libs/dojo/1.3.2/dijit/themes/tundra/tundra.css">
+<style type="text/css">
+body,html {
+	font-family: helvetica, arial, sans-serif;
+	font-size: 90%;
+}
+</style>
+</head>
+
+<body class="tundra">
+
+<h1>Tuscany Extensions</h1>
+
+<div dojoType="dojo.data.ItemFileReadStore" jsId="extensionStore"
+	url="extensions">
+</div>
+<div dojoType="dijit.tree.ForestStoreModel" jsId="extensionModel"
+	store="extensionStore" childrenAttrs="types, artifacts"
+	rootId="extensionRoot" rootLabel="Extensions">
+</div>
+<div dojoType="dijit.Tree" id="extensionTree" model="extensionModel"
+	showRoot="true">
+</div>
+</body>
+
+<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/dojo/1.3.2/dojo/dojo.xd.js"
+	djConfig="parseOnLoad: true"></script>
+<script type="text/javascript">
+        dojo.require("dojo.data.ItemFileReadStore");
+        dojo.require("dijit.tree.ForestStoreModel");
+        dojo.require("dijit.Tree");
+</script>
+</html>
\ No newline at end of file