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Diffstat (limited to '')
13 files changed, 1175 insertions, 0 deletions
diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java new file mode 100644 index 0000000000..d7ff73e31f --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/HotUpdateContextListener.java @@ -0,0 +1,57 @@ +/* + * 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.File; + +import javax.servlet.ServletContext; +import javax.servlet.ServletContextEvent; + +import org.apache.tuscany.sca.host.embedded.impl.HotUpdatableSCADomain; + +/** + * A WebApp ContextListener that starts a Tuscany runtime supporting multiple + * SCA contribution jars. All contribution jars found in the repository + * directory named "sca-contributions" will be contributed to the SCA + * domain. Any changes to the contributions in the repository will be + * automatically detected and the SCADomain updated accordingly. + * + * @version $Rev$ $Date$ + */ +public class HotUpdateContextListener extends TuscanyContextListener { + + public static final String REPOSITORY_FOLDER_NAME = "sca-contributions"; + + @Override + public void contextInitialized(ServletContextEvent event) { + ServletContext servletContext = event.getServletContext(); + + // TODO better domaiURI, maybe based on webapp name? + String domainURI = "http://localhost/" + servletContext.getServletContextName().replace(' ', '.'); + + File repository = new File(servletContext.getRealPath(REPOSITORY_FOLDER_NAME)); + HotUpdatableSCADomain scaDomain = new HotUpdatableSCADomain(domainURI, repository, 2000); + + servletContext.setAttribute(SCADomainHelper.SCA_DOMAIN_ATTRIBUTE, scaDomain); + + super.contextInitialized(event); + } + +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/SCADomainHelper.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/SCADomainHelper.java new file mode 100644 index 0000000000..2dbd7e9aa1 --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/SCADomainHelper.java @@ -0,0 +1,72 @@ +/* + * 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.File; +import java.net.MalformedURLException; +import java.net.URL; + +import javax.servlet.ServletContext; + +import org.apache.tuscany.sca.host.embedded.SCADomain; + +/** + * Utility class to initialize the SCADomian associated with a webapp + * + * @version $Rev$ $Date$ + * @deprecated Not necessary anymore with TuscanyServletFilter + */ +@Deprecated +public class SCADomainHelper { + + static final String SCA_DOMAIN_ATTRIBUTE = "org.apache.tuscany.sca.SCADomain"; + + /** + * Initializes the SCADomian associated with a webapp context. If a SCADomain + * doesn't exist already then one is create based on the webapp config. + */ + static SCADomain initSCADomain(ServletContext servletContext) { + SCADomain scaDomain = (SCADomain)servletContext.getAttribute(SCA_DOMAIN_ATTRIBUTE); + + String domainURI = "http://localhost/" + servletContext.getServletContextName().replace(' ', '.'); + String contributionRoot = null; + + try { + URL rootURL = servletContext.getResource("/"); + if (rootURL.getProtocol().equals("jndi")) { + //this is Tomcat case, we should use getRealPath + File warRootFile = new File(servletContext.getRealPath("/")); + contributionRoot = warRootFile.toURL().toString(); + } else { + //this is Jetty case + contributionRoot = rootURL.toString(); + } + } catch(MalformedURLException mf) { + //ignore, pass null + } + + + if (scaDomain == null) { + scaDomain = SCADomain.newInstance(domainURI, contributionRoot); + servletContext.setAttribute(SCA_DOMAIN_ATTRIBUTE, scaDomain); + } + return scaDomain; + } +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java new file mode 100644 index 0000000000..593073b068 --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java @@ -0,0 +1,73 @@ +/* + * 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.Enumeration; + +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletContextEvent; +import javax.servlet.ServletContextListener; +import javax.servlet.ServletException; + +import org.apache.tuscany.sca.host.embedded.SCADomain; + +/** + * A ServletContextListener to create and close the SCADomain + * when the webapp is initialized or destroyed. + * + * @version $Rev$ $Date$ + */ +public class TuscanyContextListener implements ServletContextListener { + + public void contextInitialized(ServletContextEvent event) { + final ServletContext servletContext = event.getServletContext(); + try { + WebAppServletHost.getInstance().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 null; + } + }); + } catch (ServletException e) { + throw new RuntimeException(e); + } + } + + public void contextDestroyed(ServletContextEvent event) { + ServletContext servletContext = event.getServletContext(); + SCADomain scaDomain = (SCADomain) servletContext.getAttribute(WebAppServletHost.SCA_DOMAIN_ATTRIBUTE); + if (scaDomain != null) { + scaDomain.close(); + } + } + +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java new file mode 100644 index 0000000000..559fef73cc --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java @@ -0,0 +1,67 @@ +/* + * 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.RequestDispatcher; +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; + +/** + * A Servlet that forwards requests to the Servlets registered with the Tuscany + * ServletHost. + * + * @version $Rev$ $Date$ + * @deprecated Not needed anymore, TuscanyServletFilter is sufficient + */ +@Deprecated +public class TuscanyServlet extends HttpServlet { + private static final long serialVersionUID = 1L; + + private transient WebAppServletHost servletHost; + + @Override + public void init(ServletConfig config) throws ServletException { + ServletContext servletContext = config.getServletContext(); + SCADomainHelper.initSCADomain(servletContext); + + // TODO: must be a better way to get this than using a static + servletHost = WebAppServletHost.getInstance(); + servletHost.init(config); + } + + @Override + public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException { + String path = ((HttpServletRequest)req).getPathInfo(); + RequestDispatcher dispatcher = servletHost.getRequestDispatcher(path); + if (dispatcher == null) { + throw new IllegalStateException("No servlet registered for path: " + path); + } + + dispatcher.forward(req, res); + } + +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java new file mode 100644 index 0000000000..a5a3745d7f --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java @@ -0,0 +1,103 @@ +/* + * 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.Enumeration; + +import javax.servlet.Filter; +import javax.servlet.FilterConfig; +import javax.servlet.RequestDispatcher; +import javax.servlet.ServletConfig; +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; + +/** + * 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 static final Logger logger = Logger.getLogger(WebAppServletHost.class.getName()); + + private WebAppServletHost servletHost; + + public void init(final FilterConfig config) throws ServletException { + // TODO: must be a better way to get this than using a static + servletHost = WebAppServletHost.getInstance(); + + // Initialize the Servlet host + servletHost.init(new ServletConfig() { + public String getInitParameter(String name) { + return config.getInitParameter(name); + } + + public Enumeration getInitParameterNames() { + return config.getInitParameterNames(); + } + + public ServletContext getServletContext() { + return config.getServletContext(); + } + + public String getServletName() { + return config.getFilterName(); + } + }); + } + + public void destroy() { + WebAppServletHost.getInstance().destroy(); + } + + 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/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java new file mode 100644 index 0000000000..dbe8a523f9 --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppModuleActivator.java @@ -0,0 +1,66 @@ +/* + * 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<ServletHost> hosts = servletHosts.getServletHosts(); + if (isRunningInWebapp()) { + if (hosts.size() > 0) { + hosts.removeAll(hosts); + } + servletHosts.addServletHost(WebAppServletHost.getInstance()); + } + } + + public void stop(ExtensionPointRegistry registry) { + } + + /** + * TODO: this seems a bit of a hacky way to find if its running in a webapp + * is there a better way? + */ + private boolean isRunningInWebapp() { + for (StackTraceElement ste : new Exception().getStackTrace()) { + if (ste.getClassName().equals(WebSCADomain.class.getName())) { + return true; + } + } + return false; + } + +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java b/sandbox/event/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/event/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/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java new file mode 100644 index 0000000000..599afc541c --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java @@ -0,0 +1,338 @@ +/* + * 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.File; +import java.lang.reflect.Method; +import java.net.InetAddress; +import java.net.MalformedURLException; +import java.net.URI; +import java.net.URL; +import java.net.UnknownHostException; +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; +import java.util.logging.Logger; + +import javax.naming.InitialContext; +import javax.naming.NamingException; +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.embedded.SCADomain; +import org.apache.tuscany.sca.host.http.ServletHost; +import org.apache.tuscany.sca.host.http.ServletMappingException; + +/** + * ServletHost implementation for use in a webapp environment. + * + * FIXME: using a static singleton seems a big hack but how should it be shared? + * Need some way for TuscanyServlet to pull it out. + * + * @version $Rev$ $Date$ + */ +public class WebAppServletHost implements ServletHost { + private static final Logger logger = Logger.getLogger(WebAppServletHost.class.getName()); + + public static final String SCA_DOMAIN_ATTRIBUTE = "org.apache.tuscany.sca.SCADomain"; + + private static final WebAppServletHost instance = new WebAppServletHost(); + + private Map<String, Servlet> servlets; + private SCADomain scaDomain; + private String contextPath = "/"; + private int defaultPortNumber = 8080; + private String contributionRoot; + + private ServletContext servletContext; + + private WebAppServletHost() { + servlets = new HashMap<String, Servlet>(); + } + + 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<String, Servlet> 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 static WebAppServletHost getInstance() { + return instance; + } + + public void init(ServletConfig config) throws ServletException { + + servletContext = config.getServletContext(); + if (servletContext.getAttribute(SCA_DOMAIN_ATTRIBUTE) == null) { + initContextPath(config); + String domainURI = "http://localhost/" + contextPath; + contributionRoot = getContributionRoot(servletContext); + // logger.info("Contribution: " + contributionRoot); + System.setProperty(SCADomain.class.getName(), WebSCADomain.class.getName()); + this.scaDomain = SCADomain.newInstance(domainURI, contributionRoot); + servletContext.setAttribute(SCA_DOMAIN_ATTRIBUTE, scaDomain); + } + + // Initialize the registered Servlets + for (Servlet servlet : servlets.values()) { + servlet.init(config); + } + + } + + protected 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.toURL().toString(); + } else { + //this is Jetty case + contributionRoot = rootURL.toString(); + } + + } catch (MalformedURLException mf) { + //ignore, pass null + } + } + + 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") + public void initContextPath(ServletConfig config) { + + if (Collections.list(config.getInitParameterNames()).contains("contextPath")) { + contextPath = config.getInitParameter("contextPath"); + } else { + // The getContextPath() is introduced since Servlet 2.5 + ServletContext context = config.getServletContext(); + 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); + } + + void destroy() { + + // Destroy the registered Servlets + for (Servlet servlet : servlets.values()) { + servlet.destroy(); + } + + // Close the SCA domain + if (scaDomain != null) { + scaDomain.close(); + if (scaDomain instanceof WebSCADomain) { + ((WebSCADomain)scaDomain).destroy(); + } + } + } + + public String getContextPath() { + return contextPath; + } + + public void setContextPath(String path) { + // if (!contextPath.equals(path)) { + // throw new IllegalArgumentException("invalid context path for webapp, existing context path: " + contextPath + " new contextPath: " + 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) { + servletContext.setAttribute(name, value); + } +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebSCADomain.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebSCADomain.java new file mode 100644 index 0000000000..be35733220 --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebSCADomain.java @@ -0,0 +1,53 @@ +/* + * 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 org.apache.tuscany.sca.host.embedded.impl.DefaultSCADomain; + +/** + * @version $Rev$ $Date$ + */ +public class WebSCADomain extends DefaultSCADomain { + + /** + * @param runtimeClassLoader + * @param applicationClassLoader + * @param domainURI + * @param contributionLocation + * @param composites + */ + public WebSCADomain(ClassLoader runtimeClassLoader, + ClassLoader applicationClassLoader, + String domainURI, + String contributionLocation, + String... composites) { + super(runtimeClassLoader, applicationClassLoader, domainURI, contributionLocation, composites); + } + + @Override + public void close() { + // Disable the close() as a hack to keep the WebSCADomain open + } + + public void destroy() { + super.close(); + } + +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTEI.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTEI.java new file mode 100644 index 0000000000..6e1b187a48 --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTEI.java @@ -0,0 +1,45 @@ +/* + * 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.jsp; + +import javax.servlet.jsp.tagext.TagData; +import javax.servlet.jsp.tagext.TagExtraInfo; +import javax.servlet.jsp.tagext.VariableInfo; + +/** + * TagExtraInfo class for the SCA reference tags + * <sca:reference name="service" type="test.MyService" scope="1" /> + * + * @version $Rev$ $Date$ + */ +public class ReferenceTEI extends TagExtraInfo { + + @Override + public VariableInfo[] getVariableInfo(TagData data) { + VariableInfo info1 + = new VariableInfo( + data.getAttributeString("name"), + data.getAttributeString("type"), + true, + VariableInfo.AT_END); + VariableInfo[] info = { info1 } ; + return info; + } +} diff --git a/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTag.java b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTag.java new file mode 100644 index 0000000000..b7eb93222e --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/jsp/ReferenceTag.java @@ -0,0 +1,118 @@ +/* + * 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.jsp; + +import javax.servlet.ServletContext; +import javax.servlet.ServletException; +import javax.servlet.jsp.JspException; +import javax.servlet.jsp.PageContext; +import javax.servlet.jsp.tagext.TagSupport; + +import org.apache.tuscany.sca.host.embedded.SCADomain; +import org.apache.tuscany.sca.host.webapp.WebAppServletHost; +import org.osoa.sca.ComponentContext; + +/** + * Tag to handle SCA references + * <sca:reference name="service" type="test.MyService" scope="1" /> + * + * @version $Rev$ $Date$ + */ +public class ReferenceTag extends TagSupport { + private static final long serialVersionUID = 1L; + + protected String name; + protected String type; + protected Integer scope = PageContext.PAGE_SCOPE; + + @Override + public int doStartTag() throws JspException { + return SKIP_BODY; + } + + @Override + public int doEndTag() throws JspException { + + try { + WebAppServletHost.getInstance().init(pageContext.getServletConfig()); + } catch (ServletException e) { + throw new JspException("Exception initializing Tuscany webapp: " + e, e); + } + + ServletContext servletContext = pageContext.getServletContext(); + ComponentContext componentContext = (ComponentContext)servletContext.getAttribute("org.osoa.sca.ComponentContext"); + SCADomain scaDomain = null; + if (componentContext == null) { + scaDomain = (SCADomain)servletContext.getAttribute(WebAppServletHost.SCA_DOMAIN_ATTRIBUTE); + if (scaDomain == null) { + throw new JspException("SCADomain is null. Check Tuscany configuration in web.xml"); + } + } + + Class<?> typeClass; + try { + typeClass = Class.forName(type, true, Thread.currentThread().getContextClassLoader()); + } catch (ClassNotFoundException e) { + throw new JspException("Reference '" + name + "' type class not found: " + type); + } + + Object o; + try { + if (componentContext != null) { + o = componentContext.getService(typeClass, name); + } else { + o = scaDomain.getService(typeClass, name); + } + } catch (Exception e) { + throw new JspException("Exception getting service for reference'" + name + "': " + e, e); + } + if (o == null) { + throw new JspException("Reference '" + name + "' not found"); + } + + pageContext.setAttribute(name, o, scope); + + return EVAL_PAGE; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + public Integer getScope() { + return scope; + } + + public void setScope(Integer scope) { + this.scope = scope; + } + + public String getType() { + return type; + } + + public void setType(String type) { + this.type = type; + } +} diff --git a/sandbox/event/modules/host-webapp/src/main/resources/META-INF/sca.tld b/sandbox/event/modules/host-webapp/src/main/resources/META-INF/sca.tld new file mode 100644 index 0000000000..91ee6cb922 --- /dev/null +++ b/sandbox/event/modules/host-webapp/src/main/resources/META-INF/sca.tld @@ -0,0 +1,51 @@ +<?xml version = '1.0' encoding = 'ISO-8859-1'?>
+<!--
+(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.
+
+see http://www.osoa.org/display/Main/Service+Component+Architecture+Specifications
+ -->
+
+<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN" "http://java.sun.com/xml/ns/javaee/web-jsptaglibrary_2_1.xsd">
+
+<taglib version="2.1">
+
+ <tlib-version>1.0</tlib-version>
+ <short-name>SCA-JSP</short-name>
+ <uri>http://www.osoa.org/sca/sca_jsp.tld</uri>
+ <description>A tag library for integrating sca components with jsp</description>
+
+ <tag>
+
+ <name>reference</name>
+
+ <tag-class>org.apache.tuscany.sca.host.webapp.jsp.ReferenceTag</tag-class>
+ <tei-class>org.apache.tuscany.sca.host.webapp.jsp.ReferenceTEI</tei-class>
+
+ <attribute>
+ <name>name</name>
+ <required>true</required>
+ <rtexprvalue>false</rtexprvalue>
+ <type>java.lang.String</type>
+ </attribute>
+
+ <attribute>
+ <name>type</name>
+ <required>true</required>
+ <rtexprvalue>false</rtexprvalue>
+ <type>java.lang.String</type>
+ </attribute>
+
+ <attribute>
+ <name>scope</name>
+ <required>false</required>
+ <rtexprvalue>false</rtexprvalue>
+ <type>java.lang.Integer</type>
+ </attribute>
+
+ <body-content>empty</body-content>
+
+ </tag>
+
+</taglib>
diff --git a/sandbox/event/modules/host-webapp/src/main/resources/META-INF/services/org.apache.tuscany.sca.core.ModuleActivator b/sandbox/event/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/event/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
|