diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache')
6 files changed, 0 insertions, 983 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java b/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java deleted file mode 100644 index 45c1bbf3da..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyContextListener.java +++ /dev/null @@ -1,59 +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.util.logging.Level; -import java.util.logging.Logger; - -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 { - private final Logger logger = Logger.getLogger(TuscanyContextListener.class.getName()); - private boolean inited; - - public void contextInitialized(ServletContextEvent event) { - logger.info(event.getServletContext().getServletContextName() + " is starting."); - try { - WebAppHelper.init(event.getServletContext()); - } catch (Throwable e) { - logger.log(Level.SEVERE, e.getMessage(), e); - } - inited = true; - } - - public void contextDestroyed(ServletContextEvent event) { - logger.info(event.getServletContext().getServletContextName() + " is stopping."); - if (!inited) { - return; - } - try { - WebAppHelper.stop(event.getServletContext()); - } catch (Throwable e) { - logger.log(Level.SEVERE, e.getMessage(), e); - } - inited = false; - } - -} diff --git a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java b/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java deleted file mode 100644 index a12466a9fd..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java +++ /dev/null @@ -1,109 +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.io.IOException; -import java.util.Enumeration; -import java.util.logging.Level; -import java.util.logging.Logger; - -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 Logger logger = Logger.getLogger(TuscanyServletFilter.class.getName()); - - private transient ServletContext context; - private transient ServletHost servletHost; - - public TuscanyServletFilter() { - super(); - } - - public void init(final FilterConfig config) throws ServletException { - try { - context = config.getServletContext(); - for (Enumeration<String> e = config.getInitParameterNames(); e.hasMoreElements();) { - String name = e.nextElement(); - String value = config.getInitParameter(name); - context.setAttribute(name, value); - } - servletHost = WebAppHelper.init(context); - } catch (Throwable e) { - logger.log(Level.SEVERE, e.getMessage(), e); - context.log(e.getMessage(), e); - throw new ServletException(e); - } - } - - public void destroy() { - WebAppHelper.stop(context); - servletHost = null; - } - - public void doFilter(ServletRequest request, ServletResponse response, javax.servlet.FilterChain chain) - throws IOException, ServletException { - try { - // 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); - - } - } catch (Throwable e) { - logger.log(Level.SEVERE, e.getMessage(), e); - context.log(e.getMessage(), e); - throw new ServletException(e); - } - } - -} diff --git a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppContributionScanner.java b/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppContributionScanner.java deleted file mode 100644 index 835783612a..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppContributionScanner.java +++ /dev/null @@ -1,83 +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.net.URI; -import java.net.URL; -import java.util.ArrayList; -import java.util.List; - -import javax.servlet.ServletContext; - -import org.apache.tuscany.sca.contribution.Artifact; -import org.apache.tuscany.sca.contribution.Contribution; -import org.apache.tuscany.sca.contribution.ContributionFactory; -import org.apache.tuscany.sca.contribution.PackageType; -import org.apache.tuscany.sca.contribution.processor.ContributionReadException; -import org.apache.tuscany.sca.contribution.scanner.ContributionScanner; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; - -/** - * - */ -public class WebAppContributionScanner implements ContributionScanner { - private ServletContext servletContext; - private ContributionFactory contributionFactory; - - public WebAppContributionScanner(ExtensionPointRegistry registry) { - super(); - this.servletContext = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ServletContext.class); - this.contributionFactory = - registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(ContributionFactory.class); - } - - public String getContributionType() { - return PackageType.WAR; - } - - public List<Artifact> scan(Contribution contribution) throws ContributionReadException { - try { - List<Artifact> artifacts = new ArrayList<Artifact>(); - URL location = new URL(contribution.getLocation()); - URL root = servletContext.getResource("/"); - URI relative = root.toURI().relativize(location.toURI()); - String path = relative.getPath(); - if (!path.startsWith("/")) { - path = "/" + path; - } - for (Object file : servletContext.getResourcePaths(path)) { - Artifact artifact = contributionFactory.createArtifact(); - String name = (String)file; - // Remove leading / - name = name.substring(1); - artifact.setURI(name); - URL artifactURL = new URL(location, name); - artifact.setLocation(artifactURL.toString()); - artifacts.add(artifact); - } - return artifacts; - } catch (Exception e) { - throw new ContributionReadException(e); - } - } - -} diff --git a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java b/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java deleted file mode 100644 index 47fd852f57..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java +++ /dev/null @@ -1,270 +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.io.File; -import java.io.IOException; -import java.net.URI; -import java.net.URISyntaxException; -import java.net.URL; -import java.util.Enumeration; - -import javax.servlet.ServletConfig; -import javax.servlet.ServletContext; -import javax.servlet.ServletException; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.host.http.ServletHost; -import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint; -import org.apache.tuscany.sca.node.Node; -import org.apache.tuscany.sca.node.NodeFactory; -import org.apache.tuscany.sca.node.configuration.NodeConfiguration; - -public class WebAppHelper { - private static final String ROOT = "/"; - // The prefix for the parameters in web.xml which configure the folders that contain SCA contributions - private static final String CONTRIBUTIONS = "contributions"; - // The prefix for the parameters in web.xml which configure the individual SCA contributions - private static final String CONTRIBUTION = "contribution"; - private static final String NODE_CONFIGURATION = "node.configuration"; - private static final String WEB_COMPOSITE = "/WEB-INF/web.composite"; - private static final String DOMAIN_URI = "domain.uri"; - private static final String NODE_URI = "node.uri"; - public static final String DOMAIN_NAME_ATTR = "org.apache.tuscany.sca.domain.name"; - public static final String SCA_NODE_ATTRIBUTE = Node.class.getName(); - private static NodeFactory factory; - private static WebAppServletHost host; - - private static URL getResource(ServletContext servletContext, String location) throws IOException { - URI uri = URI.create(location); - if (uri.isAbsolute()) { - return uri.toURL(); - } else { - String path = location; - if (!path.startsWith(ROOT)) { - path = ROOT + path; - } - URL url = servletContext.getResource(path); - if (url != null && url.getProtocol().equals("jndi")) { - //this is Tomcat case, we should use getRealPath - File warRootFile = new File(servletContext.getRealPath(path)); - return warRootFile.toURI().toURL(); - } else { - //this is Jetty case - return url; - } - } - } - - private static String[] parse(String listOfValues) { - if (listOfValues == null) { - return null; - } - return listOfValues.split("(\\s|,)+"); - } - - @SuppressWarnings("unchecked") - private static NodeConfiguration getNodeConfiguration(ServletContext servletContext) throws IOException, - URISyntaxException { - NodeConfiguration configuration = null; - String nodeConfigURI = (String)servletContext.getAttribute(NODE_CONFIGURATION); - if (nodeConfigURI != null) { - URL url = getResource(servletContext, nodeConfigURI); - configuration = factory.loadConfiguration(url.openStream(), url); - } else { - configuration = factory.createNodeConfiguration(); - Enumeration<String> names = servletContext.getAttributeNames(); - while (names.hasMoreElements()) { - String name = names.nextElement(); - if (name.equals(CONTRIBUTION) || name.startsWith(CONTRIBUTION + ".")) { - // We need to have a way to select one or more folders within the webapp as the contributions - String listOfValues = (String)servletContext.getAttribute(name); - if (listOfValues != null) { - for (String path : parse(listOfValues)) { - if ("".equals(path)) { - continue; - } - File f = new File(getResource(servletContext, path).toURI()); - configuration.addContribution(f.toURI().toURL()); - } - } - } else if (name.equals(CONTRIBUTIONS) || name.startsWith(CONTRIBUTIONS + ".")) { - String listOfValues = (String)servletContext.getAttribute(name); - if (listOfValues != null) { - for (String path : parse(listOfValues)) { - if ("".equals(path)) { - continue; - } - File f = new File(getResource(servletContext, path).toURI()); - if (f.isDirectory()) { - for (File n : f.listFiles()) { - configuration.addContribution(n.toURI().toURL()); - } - } else { - configuration.addContribution(f.toURI().toURL()); - } - } - } - } - } - - if (configuration.getContributions().isEmpty()) { - // TODO: Which path should be the default root - configuration.addContribution(getResource(servletContext, ROOT)); - } - URL composite = getResource(servletContext, WEB_COMPOSITE); - if (composite != null) { - configuration.getContributions().get(0).addDeploymentComposite(composite); - } - String nodeURI = (String)servletContext.getAttribute(NODE_URI); - if (nodeURI == null) { - nodeURI = new File(servletContext.getRealPath(ROOT)).getName(); - } - configuration.setURI(nodeURI); - String domainURI = (String)servletContext.getAttribute(DOMAIN_URI); - if (domainURI != null) { - configuration.setDomainURI(domainURI); - } else { - domainURI = servletContext.getInitParameter("org.apache.tuscany.sca.defaultDomainURI"); - if (domainURI != null) { - configuration.setDomainURI(getDomainName(domainURI)); - configuration.setDomainRegistryURI(domainURI); - } - } - } - return configuration; - } - - // TODO: Temp for now to get the old samples working till i clean up all the domain uri/name after the ML discussion. - private static String getDomainName(String configURI) { - String domainName; - if (configURI.startsWith("tuscany:vm:")) { - domainName = configURI.substring("tuscany:vm:".length()); - } else if (configURI.startsWith("tuscany:")) { - int i = configURI.indexOf('?'); - if (i == -1) { - domainName = configURI.substring("tuscany:".length()); - } else { - domainName = configURI.substring("tuscany:".length(), i); - } - } else { - domainName = configURI; - } - return domainName; - } - - public synchronized static ServletHost init(final ServletContext servletContext) { - if (host == null) { - try { - - String configValue = servletContext.getInitParameter("org.apache.tuscany.sca.config"); - if (configValue != null) { - factory = NodeFactory.newInstance(configValue); - } else { - factory = NodeFactory.newInstance(); - } - - // Add ServletContext as a utility - ExtensionPointRegistry registry = factory.getExtensionPointRegistry(); - UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class); - utilityExtensionPoint.addUtility(ServletContext.class, servletContext); - - ServletHostExtensionPoint servletHosts = registry.getExtensionPoint(ServletHostExtensionPoint.class); - servletHosts.setWebApp(true); - - // TODO: why are the init parameters copied to the attributes? - for (Enumeration<?> e = servletContext.getInitParameterNames(); e.hasMoreElements();) { - String name = (String)e.nextElement(); - String value = servletContext.getInitParameter(name); - servletContext.setAttribute(name, value); - } - - host = getServletHost(servletContext); - - } catch (ServletException e) { - throw new RuntimeException(e); - } - } - Node node = (Node)servletContext.getAttribute(SCA_NODE_ATTRIBUTE); - if (node == null) { - try { - node = createAndStartNode(servletContext); - } catch (ServletException e) { - throw new RuntimeException(e); - } - servletContext.setAttribute(SCA_NODE_ATTRIBUTE, node); - } - - return host; - } - - private static WebAppServletHost getServletHost(final ServletContext servletContext) throws ServletException { - WebAppServletHost host = getServletHost(factory); - host.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(); - } - }); - return host; - } - - private static WebAppServletHost getServletHost(NodeFactory factory) { - ExtensionPointRegistry registry = factory.getExtensionPointRegistry(); - return (WebAppServletHost)org.apache.tuscany.sca.host.http.ServletHostHelper.getServletHost(registry); - } - - private static Node createAndStartNode(final ServletContext servletContext) throws ServletException { - NodeConfiguration configuration; - try { - configuration = getNodeConfiguration(servletContext); - } catch (IOException e) { - throw new ServletException(e); - } catch (URISyntaxException e) { - throw new ServletException(e); - } - Node node = factory.createNode(configuration).start(); - return node; - } - - public static void stop(ServletContext servletContext) { - Node node = (Node)servletContext.getAttribute(SCA_NODE_ATTRIBUTE); - if (node != null) { - node.stop(); - servletContext.setAttribute(SCA_NODE_ATTRIBUTE, null); - } - } - - public static NodeFactory getNodeFactory() { - return factory; - } -} diff --git a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java b/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java deleted file mode 100644 index 76cce939ad..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppRequestDispatcher.java +++ /dev/null @@ -1,117 +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.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) { - if (path.startsWith(servletPath)) { - return path.substring(servletPath.length()); - } - 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/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java b/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java deleted file mode 100644 index e6f63681a9..0000000000 --- a/sca-java-2.x/tags/2.0-Beta1-RC3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppServletHost.java +++ /dev/null @@ -1,345 +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.util.ArrayList; -import java.util.Collections; -import java.util.HashMap; -import java.util.List; -import java.util.Map; -import java.util.logging.Level; -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(pathURI.toString(), 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 && uri.getScheme() == null) { - // Only set the default port number if the scheme is not present - portNumber = defaultPortNumber; - } - - // Get the host - String host = uri.getHost(); - if (host == null) { - try { - //TUSCANY-3667 - InetAddress is not allowed in GoogleAppEngine - host = InetAddress.getLocalHost().getHostName(); - } catch (Throwable t) { - logger.log(Level.WARNING, "Error retrieving host information : " + t.getMessage()); - 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); - } - } - - public ServletContext getServletContext() { - return servletContext; - } -} |