From a96291b78e2ed8eccab73c34d40e39c8461cf784 Mon Sep 17 00:00:00 2001 From: antelder Date: Mon, 23 Mar 2009 08:00:07 +0000 Subject: One more test with an sca trunk in the sandbox git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@757343 13f79535-47bb-0310-9956-ffa450edef68 --- sandbox/ant/sca/trunk/modules/host-webapp/LICENSE | 241 +++++++++++++++++++ .../trunk/modules/host-webapp/META-INF/MANIFEST.MF | 24 ++ sandbox/ant/sca/trunk/modules/host-webapp/NOTICE | 12 + sandbox/ant/sca/trunk/modules/host-webapp/pom.xml | 80 +++++++ .../tuscany/sca/host/webapp/ServletHostHelper.java | 202 ++++++++++++++++ .../sca/host/webapp/TuscanyContextListener.java | 40 ++++ .../sca/host/webapp/TuscanyServletFilter.java | 85 +++++++ .../sca/host/webapp/WebAppModuleActivator.java | 51 +++++ .../sca/host/webapp/WebAppRequestDispatcher.java | 114 +++++++++ .../tuscany/sca/host/webapp/WebAppServletHost.java | 254 +++++++++++++++++++++ .../org.apache.tuscany.sca.core.ModuleActivator | 18 ++ 11 files changed, 1121 insertions(+) create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/LICENSE create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/META-INF/MANIFEST.MF create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/NOTICE create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/pom.xml create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java create mode 100644 sandbox/ant/sca/trunk/modules/host-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator (limited to 'sandbox/ant/sca/trunk/modules/host-webapp') diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/LICENSE b/sandbox/ant/sca/trunk/modules/host-webapp/LICENSE new file mode 100644 index 0000000000..0085d7e5ee --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/LICENSE @@ -0,0 +1,241 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed 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. + +=============================================================================== + +Apache Tuscany SCA for Java Subcomponents +=========================================: + +The Tuscany SCA for Java release includes a number of subcomponents with +separate copyright notices and license terms. Your use of the source +code for the these subcomponents is subject to the terms and +conditions of the following licenses. + +=============================================================================== +The module host-webapp includes files under the following license: + +Permission to copy, display and distribute the Service Component Architecture Specification and/or +portions thereof, without modification, in any medium without fee or royalty is hereby granted, provided +that you include the following on ALL copies of the Service Component Architecture Specification, or +portions thereof, that you make: + +1. A link or URL to the Service Component Architecture Specification at this location: +· http://www.osoa.org/display/Main/Service+Component+Architecture+Specifications + +2. The full text of the copyright notice as shown in the Service Component Architecture Specification. + +BEA, Cape Clear, IBM, Interface21, IONA, Oracle, Primeton, Progress Software, Red Hat, Rogue Wave, +SAP, Siemens, Software AG., Sun, Sybase, TIBCO (collectively, the "Authors") agree to grant you a +royalty-free license, under reasonable, non-discriminatory terms and conditions to patents that they deem +necessary to implement the Service Component Architecture Specification. +THE Service Component Architecture SPECIFICATION IS PROVIDED "AS IS," AND THE +AUTHORS MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, +REGARDING THIS SPECIFICATION AND THE IMPLEMENTATION OF ITS CONTENTS, +INCLUDING, BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +PARTICULAR PURPOSE, NON-INFRINGEMENT OR TITLE. +THE AUTHORS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL +OR CONSEQUENTIAL DAMAGES ARISING OUT OF OR RELATING TO ANY USE OR +DISTRIBUTION OF THE Service Components Architecture SPECIFICATION. +The name and trademarks of the Authors may NOT be used in any manner, including advertising or +publicity pertaining to the Service Component Architecture Specification or its contents without specific, + diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/META-INF/MANIFEST.MF b/sandbox/ant/sca/trunk/modules/host-webapp/META-INF/MANIFEST.MF new file mode 100644 index 0000000000..d75f09042f --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/META-INF/MANIFEST.MF @@ -0,0 +1,24 @@ +Manifest-Version: 1.0 +Export-Package: org.apache.tuscany.sca.host.webapp;version="2.0.0"; + uses:="javax.servlet,org.apache.tuscany.sca.host.http,org.apache.tuscany.sca.core" +Tool: Bnd-0.0.255 +Bundle-Name: Apache Tuscany SCA Webapp Host +Created-By: 1.6.0_07 (Sun Microsystems Inc.) +Bundle-Vendor: The Apache Software Foundation +Bundle-Version: 2.0.0 +Bnd-LastModified: 1222833658000 +Bundle-ManifestVersion: 2 +Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt +Bundle-Description: Apache Tuscany SCA Webapp Host +Import-Package: javax.naming, + javax.servlet, + javax.servlet.http, + org.apache.tuscany.sca.core;version="2.0.0", + org.apache.tuscany.sca.host.http;version="2.0.0", + org.apache.tuscany.sca.host.webapp;version="2.0.0", + org.apache.tuscany.sca.node;version="2.0.0", + org.apache.tuscany.sca.node.impl;version="2.0.0", + org.oasisopen.sca;version="2.0.0" +Bundle-SymbolicName: org.apache.tuscany.sca.host.webapp +Bundle-DocURL: http://www.apache.org/ + diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/NOTICE b/sandbox/ant/sca/trunk/modules/host-webapp/NOTICE new file mode 100644 index 0000000000..d989435591 --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/NOTICE @@ -0,0 +1,12 @@ +${pom.name} +Copyright (c) 2005 - 2009 The Apache Software Foundation + +This product includes software developed by +The Apache Software Foundation (http://www.apache.org/). + +This product also includes software under the Service Component Architecture specification license +(see the LICENSE file contained in this distribution) with the following copyright + +(c) Copyright BEA Systems, Inc., Cape Clear Software, International Business Machines Corp, Interface21, IONA +Technologies, Oracle, Primeton Technologies, Progress Software, Red Hat, Rogue Wave Software, SAP AG., Siemens +AG., Software AG., Sun Microsystems, Inc., Sybase Inc., TIBCO Software Inc., 2005, 2008. All rights reserved. diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/pom.xml b/sandbox/ant/sca/trunk/modules/host-webapp/pom.xml new file mode 100644 index 0000000000..60e1a21cdd --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/pom.xml @@ -0,0 +1,80 @@ + + + + 4.0.0 + + org.apache.tuscany.sca + tuscany-modules + 2.0-SNAPSHOT + ../pom.xml + + + tuscany-host-webapp + Apache Tuscany SCA Webapp Host + + + + org.apache.tuscany.sca + tuscany-contribution + 2.0-SNAPSHOT + + + + org.apache.tuscany.sca + tuscany-host-http + 2.0-SNAPSHOT + + + + org.apache.tuscany.sca + tuscany-node-api + 2.0-SNAPSHOT + + + + org.apache.tuscany.sca + tuscany-node-impl + 2.0-SNAPSHOT + + + + org.apache.tuscany.sca + tuscany-workspace-impl + 2.0-SNAPSHOT + runtime + + + + org.apache.tuscany.sca + tuscany-implementation-java-runtime + 2.0-SNAPSHOT + runtime + + + + javax.servlet + servlet-api + 2.5 + provided + + + + + diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java new file mode 100644 index 0000000000..fd6a3ed22b --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java @@ -0,0 +1,202 @@ +/* + * 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.host.webapp; + +import java.io.BufferedReader; +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.lang.reflect.Method; +import java.net.MalformedURLException; +import java.net.URL; +import java.util.Collections; +import java.util.Enumeration; +import java.util.List; +import java.util.logging.Logger; + +import javax.naming.InitialContext; +import javax.naming.NamingException; +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; +import org.apache.tuscany.sca.node.Contribution; +import org.apache.tuscany.sca.node.Node; +import org.apache.tuscany.sca.node.NodeFactory; +import org.apache.tuscany.sca.node.impl.NodeImpl; +import org.oasisopen.sca.ServiceRuntimeException; + +public class ServletHostHelper { + private static final Logger logger = Logger.getLogger(ServletHostHelper.class.getName()); + + public static final String SCA_NODE_ATTRIBUTE = Node.class.getName(); + + public static void init(ServletConfig servletConfig) { + init(servletConfig.getServletContext()); + } + + public static ServletHost init(final ServletContext servletContext) { + Node node = (Node)servletContext.getAttribute(SCA_NODE_ATTRIBUTE); + if (node == null) { + try { + node = createNode(servletContext); + servletContext.setAttribute(SCA_NODE_ATTRIBUTE, node); + getServletHost(node).init(new ServletConfig() { + public String getInitParameter(String name) { + return servletContext.getInitParameter(name); + } + public Enumeration getInitParameterNames() { + return servletContext.getInitParameterNames(); + } + public ServletContext getServletContext() { + return servletContext; + } + public String getServletName() { + return servletContext.getServletContextName(); + }}); + } catch (ServletException e) { + throw new RuntimeException(e); + } + } + return getServletHost(node); + } + + private static WebAppServletHost getServletHost(Node node) { + NodeImpl nodeImpl = (NodeImpl) node; + ExtensionPointRegistry eps = nodeImpl.getExtensionPoints(); + ServletHostExtensionPoint servletHosts = eps.getExtensionPoint(ServletHostExtensionPoint.class); + List hosts = servletHosts.getServletHosts(); + if (hosts == null || hosts.size() < 1) { + throw new IllegalStateException("No ServletHost found"); + } + ServletHost servletHost = hosts.get(0); + if (!(servletHost instanceof WebAppServletHost)) { + throw new IllegalStateException("unexpected ServletHost type: " + servletHost); + } + return (WebAppServletHost) servletHost; + } + + private static Node createNode(final ServletContext servletContext) throws ServletException { + String contextPath = initContextPath(servletContext); + String contributionRoot = getContributionRoot(servletContext); + NodeFactory factory = NodeFactory.newInstance(); + String webComposite = getWebComposite(servletContext); + Node node = factory.createNode(contextPath, webComposite, new Contribution(contributionRoot, contributionRoot)); + node.start(); + return node; + } + + private static String getWebComposite(ServletContext servletContext) { + InputStream stream = servletContext.getResourceAsStream("/WEB-INF/web.composite"); + BufferedReader reader = new BufferedReader(new InputStreamReader(stream)); + + StringBuilder sb = new StringBuilder(); + String s = null; + try { + while ((s = reader.readLine()) != null) { + sb.append(s + "\n"); + } + } catch (IOException e) { + throw new ServiceRuntimeException(e); + } finally { + try { + stream.close(); + } catch (IOException e) { + throw new ServiceRuntimeException(e); + } + } + + return sb.toString(); + } + + private static String getContributionRoot(ServletContext servletContext) { + String contributionRoot = null; + try { + + InitialContext ic = new InitialContext(); + URL repoURL = (URL)ic.lookup("java:comp/env/url/contributions"); + + contributionRoot = repoURL.toString(); + + } catch (NamingException e) { + + // ignore exception and use default location + + try { + + String root = servletContext.getInitParameter("contributionRoot"); + if (root == null || root.length() < 1) { + root = "/"; + } + URL rootURL = servletContext.getResource(root); + if (rootURL.getProtocol().equals("jndi")) { + //this is Tomcat case, we should use getRealPath + File warRootFile = new File(servletContext.getRealPath(root)); + contributionRoot = warRootFile.toURI().toString(); + } else { + //this is Jetty case + contributionRoot = rootURL.toString(); + } + + } catch (MalformedURLException mf) { + //ignore, pass null + } + } + + logger.info("contributionRoot: " + contributionRoot); + return contributionRoot; + } + + /** + * Initializes the contextPath + * The 2.5 Servlet API has a getter for this, for pre 2.5 Servlet + * containers use an init parameter. + */ + @SuppressWarnings("unchecked") + private static String initContextPath(ServletContext context) { + String contextPath; + if (Collections.list(context.getInitParameterNames()).contains("contextPath")) { + contextPath = context.getInitParameter("contextPath"); + } else { + try { + // Try to get the method anyway since some ServletContext impl has this method even before 2.5 + Method m = context.getClass().getMethod("getContextPath", new Class[] {}); + contextPath = (String)m.invoke(context, new Object[] {}); + } catch (Exception e) { + logger.warning("Servlet level is: " + context.getMajorVersion() + "." + context.getMinorVersion()); + throw new IllegalStateException("'contextPath' init parameter must be set for pre-2.5 servlet container"); + } + } + logger.info("ContextPath: " + contextPath); + return contextPath; + } + + public static void stop(ServletContext servletContext) { + Node node = (Node) servletContext.getAttribute(ServletHostHelper.SCA_NODE_ATTRIBUTE); + if (node != null) { + node.stop(); + servletContext.setAttribute(ServletHostHelper.SCA_NODE_ATTRIBUTE, null); + } + } +} diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java new file mode 100644 index 0000000000..0f36094311 --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java @@ -0,0 +1,40 @@ +/* + * 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.host.webapp; + +import javax.servlet.ServletContextEvent; +import javax.servlet.ServletContextListener; + + +/** + * A ServletContextListener to create and close the SCADomain + * when the webapp is initialized or destroyed. + */ +public class TuscanyContextListener implements ServletContextListener { + + public void contextInitialized(ServletContextEvent event) { + ServletHostHelper.init(event.getServletContext()); + } + + public void contextDestroyed(ServletContextEvent event) { + ServletHostHelper.stop(event.getServletContext()); + } + +} diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java new file mode 100644 index 0000000000..359817e024 --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java @@ -0,0 +1,85 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.host.webapp; + +import java.io.IOException; + +import javax.servlet.Filter; +import javax.servlet.FilterConfig; +import javax.servlet.RequestDispatcher; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; + +import org.apache.tuscany.sca.host.http.ServletHost; + + +/** + * A Servlet filter that forwards service requests to the Servlets registered with + * the Tuscany ServletHost. + * + * @version $Rev$ $Date$ + */ +public class TuscanyServletFilter implements Filter { + private static final long serialVersionUID = 1L; + + private transient ServletContext context; + private transient ServletHost servletHost; + + public void init(final FilterConfig config) throws ServletException { + context = config.getServletContext(); + servletHost = ServletHostHelper.init(context); + } + + public void destroy() { + ServletHostHelper.stop(context); + } + + public void doFilter(ServletRequest request, ServletResponse response, javax.servlet.FilterChain chain) + throws IOException, ServletException { + + // Get the Servlet path + HttpServletRequest httpRequest = (HttpServletRequest)request; + String path = httpRequest.getPathInfo(); + if (path == null) { + path = httpRequest.getServletPath(); + } + if (path == null) { + path = "/"; + } + + // Get a request dispatcher for the Servlet mapped to that path + RequestDispatcher dispatcher = servletHost.getRequestDispatcher(path); + if (dispatcher != null) { + + // Let the dispatcher forward the request to the Servlet + dispatcher.forward(request, response); + + } else { + + // Proceed down the filter chain + chain.doFilter(request, response); + + } + } + +} diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java new file mode 100644 index 0000000000..d07b19bca9 --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java @@ -0,0 +1,51 @@ +/* + * 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.host.webapp; + +import java.util.List; + +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; + +/** + * Activates the webapp host by registering the webapp ServletHost impl + * + * @version $Rev$ $Date$ + */ +public class WebAppModuleActivator implements ModuleActivator { + + public void start(ExtensionPointRegistry extensionPointRegistry) { + + ServletHostExtensionPoint servletHosts = + extensionPointRegistry.getExtensionPoint(ServletHostExtensionPoint.class); + + List hosts = servletHosts.getServletHosts(); + // Only add webapp host if no other host already registered (eg jetty in standalone) + if (hosts != null && hosts.size() < 1) { + hosts.add(new WebAppServletHost()); + } + } + + public void stop(ExtensionPointRegistry registry) { + } + +} diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java new file mode 100644 index 0000000000..f14dfac58b --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java @@ -0,0 +1,114 @@ +/* + * 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.host.webapp; + +import java.io.IOException; +import java.util.StringTokenizer; + +import javax.servlet.RequestDispatcher; +import javax.servlet.Servlet; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletRequestWrapper; + +/** + * A Servlet request dispatcher that can be used to delegate requests to a + * Servlet registered with the Webapp Servlet host. + * + * @version $Rev$ $Date$ + */ +class WebAppRequestDispatcher implements RequestDispatcher { + private String servletPath; + private Servlet servlet; + + public WebAppRequestDispatcher(String mapping, Servlet servlet) { + if (mapping.endsWith("*")) { + mapping = mapping.substring(0, mapping.length()-1); + } + if (mapping.endsWith("/")) { + mapping = mapping.substring(0, mapping.length()-1); + } + this.servletPath = mapping; + this.servlet = servlet; + } + + /** + * Returns a request wrapper which will return the correct Servlet path + * and path info. + * + * @param request + * @return + */ + private HttpServletRequest createRequestWrapper(ServletRequest request) { + HttpServletRequest requestWrapper = new HttpServletRequestWrapper((HttpServletRequest)request) { + + @Override + public String getServletPath() { + return servletPath; + } + + @Override + public String getPathInfo() { + String path = super.getServletPath(); + if (path.length() == 0) { + path = super.getPathInfo(); + } + + // TODO: another context path hack, revisit when context path is sorted out + path = fiddlePath(path, servletPath); + + return path; + } + }; + return requestWrapper; + } + + /** + * Remove any path suffix thats part of the Servlet context path + */ + protected String fiddlePath(String path, String servletPath) { + StringTokenizer st = new StringTokenizer(path, "/"); + if (st.countTokens() == 1) { + return path; + } + String root = ""; + while (st.hasMoreTokens()){ + String s = st.nextToken(); + if (servletPath.endsWith((root + "/" + s))) { + root += "/" + s; + } else { + break; + } + } + String fiddlePath = path.substring(root.length()); + return fiddlePath; + } + + public void forward(ServletRequest request, ServletResponse response) throws ServletException, IOException { + servlet.service(createRequestWrapper(request), response); + } + + public void include(ServletRequest request, ServletResponse response) throws ServletException, IOException { + servlet.service(createRequestWrapper(request), response); + } +} + diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java new file mode 100644 index 0000000000..c572d9f1d3 --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java @@ -0,0 +1,254 @@ +/* + * 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.host.webapp; + +import java.net.InetAddress; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; +import java.net.UnknownHostException; +import java.util.HashMap; +import java.util.Map; +import java.util.logging.Logger; + +import javax.servlet.RequestDispatcher; +import javax.servlet.Servlet; +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; + +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletMappingException; +import org.apache.tuscany.sca.node.Node; + +/** + * ServletHost implementation for use in a webapp environment. + * + * @version $Rev$ $Date$ + */ +public class WebAppServletHost implements ServletHost { + private static final Logger logger = Logger.getLogger(WebAppServletHost.class.getName()); + + public static final String SCA_NODE_ATTRIBUTE = Node.class.getName(); + + private Map servlets; + private String contextPath = "/"; + private int defaultPortNumber = 8080; + private String contributionRoot; + + private ServletContext servletContext; + private Map tempAttributes = new HashMap(); + + public WebAppServletHost() { + servlets = new HashMap(); + } + + public void setDefaultPort(int port) { + defaultPortNumber = port; + } + + public int getDefaultPort() { + return defaultPortNumber; + } + + public void addServletMapping(String suri, Servlet servlet) throws ServletMappingException { + URI pathURI = URI.create(suri); + + // Make sure that the path starts with a / + suri = pathURI.getPath(); + if (!suri.startsWith("/")) { + suri = '/' + suri; + } + + if (!suri.startsWith(contextPath)) { + suri = contextPath + suri; + } + + // In a webapp just use the given path and ignore the host and port + // as they are fixed by the Web container + servlets.put(suri, servlet); + + logger.info("Added Servlet mapping: " + suri); + } + + public Servlet removeServletMapping(String suri) throws ServletMappingException { + URI pathURI = URI.create(suri); + + // Make sure that the path starts with a / + suri = pathURI.getPath(); + if (!suri.startsWith("/")) { + suri = '/' + suri; + } + + if (!suri.startsWith(contextPath)) { + suri = contextPath + suri; + } + + // In a webapp just use the given path and ignore the host and port + // as they are fixed by the Web container + return servlets.remove(suri); + } + + public Servlet getServletMapping(String suri) throws ServletMappingException { + if (!suri.startsWith("/")) { + suri = '/' + suri; + } + + if (!suri.startsWith(contextPath)) { + suri = contextPath + suri; + } + + // Get the Servlet mapped to the given path + Servlet servlet = servlets.get(suri); + return servlet; + } + + public URL getURLMapping(String suri) throws ServletMappingException { + URI uri = URI.create(suri); + + // Get the URI scheme and port + String scheme = uri.getScheme(); + if (scheme == null) { + scheme = "http"; + } + int portNumber = uri.getPort(); + if (portNumber == -1) { + portNumber = defaultPortNumber; + } + + // Get the host + String host; + try { + host = InetAddress.getLocalHost().getHostName(); + } catch (UnknownHostException e) { + host = "localhost"; + } + + // Construct the URL + String path = uri.getPath(); + if (!path.startsWith("/")) { + path = '/' + path; + } + + if (contextPath != null && !path.startsWith(contextPath)) { + path = contextPath + path; + } + + URL url; + try { + url = new URL(scheme, host, portNumber, path); + } catch (MalformedURLException e) { + throw new ServletMappingException(e); + } + return url; + } + + public RequestDispatcher getRequestDispatcher(String suri) throws ServletMappingException { + + // Make sure that the path starts with a / + if (!suri.startsWith("/")) { + suri = '/' + suri; + } + + suri = contextPath + suri; + + // Get the Servlet mapped to the given path + Servlet servlet = servlets.get(suri); + if (servlet != null) { + return new WebAppRequestDispatcher(suri, servlet); + } + + for (Map.Entry entry : servlets.entrySet()) { + String servletPath = entry.getKey(); + if (servletPath.endsWith("*")) { + servletPath = servletPath.substring(0, servletPath.length() - 1); + if (suri.startsWith(servletPath)) { + // entry key is contextPath/servletPath, WebAppRequestDispatcher only wants servletPath + return new WebAppRequestDispatcher(entry.getKey().substring(contextPath.length()), entry.getValue()); + } else { + if ((suri + "/").startsWith(servletPath)) { + return new WebAppRequestDispatcher(entry.getKey().substring(contextPath.length()), entry.getValue()); + } + } + } + } + + // No Servlet found + return null; + } + + public void init(ServletConfig config) throws ServletException { + + servletContext = config.getServletContext(); + + for (String name : tempAttributes.keySet()) { + servletContext.setAttribute(name, tempAttributes.get(name)); + } + + ServletHostHelper.init(servletContext); + + // Initialize the registered Servlets + for (Servlet servlet : servlets.values()) { + servlet.init(config); + } + + } + + void destroy() { + + // Destroy the registered Servlets + for (Servlet servlet : servlets.values()) { + servlet.destroy(); + } + + // Close the SCA domain + ServletHostHelper.stop(servletContext); + } + + public String getContextPath() { + return contextPath; + } + + public void setContextPath(String path) { + } + + /** + * TODO: How context paths work is still up in the air so for now + * this hacks in a path that gets some samples working + * can't use setContextPath as NodeImpl calls that later + */ + public void setContextPath2(String path) { + if (path != null && path.length() > 0) { + this.contextPath = path; + } + } + + public String getContributionRoot() { + return contributionRoot; + } + + public void setAttribute(String name, Object value) { + if (servletContext != null) { + servletContext.setAttribute(name, value); + } else { + tempAttributes.put(name, value); + } + } +} diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator new file mode 100644 index 0000000000..d99fdf257e --- /dev/null +++ b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator @@ -0,0 +1,18 @@ +# 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. +# Implementation class for the ModuleActivator +org.apache.tuscany.sca.host.webapp.WebAppModuleActivator -- cgit v1.2.3