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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java b/sca-java-2.x/tags/2.0-Beta1-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java deleted file mode 100644 index 0c5431a7d8..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java +++ /dev/null @@ -1,338 +0,0 @@ -/* - * 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.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.ArrayList; -import java.util.Collections; -import java.util.HashMap; -import java.util.List; -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.SecurityContext; -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<String, Servlet> servlets; - private String contextPath = "/"; - private int defaultPortNumber = 8080; - private String contributionRoot; - - private ServletConfig servletConfig; - private ServletContext servletContext; - private Map<String, Object> tempAttributes = new HashMap<String, Object>(); - - public WebAppServletHost() { - servlets = new HashMap<String, Servlet>(); - } - - public void setDefaultPort(int port) { - defaultPortNumber = port; - } - - public int getDefaultPort() { - return defaultPortNumber; - } - - public String getName() { - return "webapp"; - } - - public String addServletMapping(String suri, Servlet servlet) throws ServletMappingException { - return addServletMapping(suri, servlet, null); - } - - public String addServletMapping(String suri, Servlet servlet, SecurityContext securityContext) throws ServletMappingException { - URI pathURI = URI.create(suri); - - // Make sure that the path starts with a / - suri = pathURI.getPath(); - if (!suri.startsWith("/")) { - suri = '/' + suri; - } - - // String relativeURI = suri; - if (!suri.startsWith(contextPath + "/")) { - suri = contextPath + suri; - } - - if (!servlets.values().contains(servlet)) { - // The same servlet can be registred more than once - try { - servlet.init(servletConfig); - } catch (ServletException e) { - throw new ServletMappingException(e); - } - } - - // 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); - - URL url = getURLMapping(suri, securityContext); - logger.info("Added Servlet mapping: " + url); - return url.toString(); - } - - 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 - Servlet servlet = servlets.remove(suri); - /* - if (servlet != null) { - servlet.destroy(); - } - */ - return servlet; - } - - 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, SecurityContext securityContext) 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 = uri.getHost(); - if (host == null) { - 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; - } - - if (contextPath != null && contextPath.length() > 0 && !"/".equals(contextPath)) { - 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 void init(ServletConfig config) throws ServletException { - this.servletConfig = config; - servletContext = config.getServletContext(); - - for (String name : tempAttributes.keySet()) { - servletContext.setAttribute(name, tempAttributes.get(name)); - } - - // WebAppHelper.init(servletContext); - - initContextPath(config); - - // Initialize the registered Servlets - for (Servlet servlet : servlets.values()) { - servlet.init(config); - } - - } - - /** - * 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) { - - String oldContextPath = contextPath; - - 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); - - // if the context path changes after some servlets have been registered then - // need to reregister them (this can happen if extensions start before webapp init) - if (!oldContextPath.endsWith(contextPath)) { - List<String> oldServletURIs = new ArrayList<String>(); - for (String oldServletURI : servlets.keySet()) { - if (oldServletURI.startsWith(oldContextPath)) { - if (!oldServletURI.startsWith(contextPath)) { - oldServletURIs.add(oldServletURI); - } - } - } - for (String oldURI : oldServletURIs) { - String ns = contextPath + "/" + oldURI.substring(oldContextPath.length()); - servlets.put(ns, servlets.remove(oldURI)); - } - } - - } - - void destroy() { - - // Destroy the registered Servlets - for (Servlet servlet : servlets.values()) { - servlet.destroy(); - } - - // Close the SCA domain - WebAppHelper.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); - } - } -} |