diff options
Diffstat (limited to 'java/sca/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java')
-rw-r--r-- | java/sca/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/java/sca/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java b/java/sca/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java deleted file mode 100644 index 4ad9519ad8..0000000000 --- a/java/sca/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java +++ /dev/null @@ -1,188 +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.URL; -import java.util.Enumeration; -import java.util.List; - -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.DefaultServletHostExtensionPoint; -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; -import org.apache.tuscany.sca.node.impl.NodeImpl; - -public class ServletHostHelper { - 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 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("/")) { - path = "/" + 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; - } - } - } - - @SuppressWarnings("unchecked") - private static NodeConfiguration getNodeConfiguration(ServletContext servletContext) throws IOException { - 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(); - configuration.setDomainURI(factory.getDomainURI()); - Enumeration<String> names = servletContext.getAttributeNames(); - while (names.hasMoreElements()) { - String name = names.nextElement(); - if (name.startsWith("contribution.")) { - String contrib = (String) servletContext.getAttribute(name); - if (contrib != null) { - configuration.addContribution(getResource(servletContext, contrib)); - } - } - } - if (configuration.getContributions().isEmpty()) { - // TODO: Which path should be the default root - configuration.addContribution(getResource(servletContext, "/")); - } - URL composite = getResource(servletContext, "/WEB-INF/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("/")).getName(); - } - configuration.setURI(nodeURI); - String domainURI = (String) servletContext.getAttribute("domain.uri"); - if (domainURI != null) { - configuration.setDomainURI(domainURI); - } - } - return configuration; - } - - public static ServletHost init(final ServletContext servletContext) { - Node node = (Node)servletContext.getAttribute(SCA_NODE_ATTRIBUTE); - if (node == null) { - try { - String domainName = (String)servletContext.getAttribute(DOMAIN_NAME_ATTR); - if (domainName != null) { - factory = NodeFactory.getInstance(domainName); - } else { - factory = NodeFactory.newInstance(); - } - for (Enumeration<String> e = servletContext.getInitParameterNames(); e.hasMoreElements();) { - String name = e.nextElement(); - String value = servletContext.getInitParameter(name); - servletContext.setAttribute(name, value); - } - 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<ServletHost> hosts = servletHosts.getServletHosts(); - if (hosts == null || hosts.size() < 1) { - throw new IllegalStateException("No ServletHost found"); - } - for (ServletHost servletHost : hosts) { - if ("webapp".equals(servletHost.getName())) { - if(servletHost instanceof DefaultServletHostExtensionPoint.LazyServletHost) { - return (WebAppServletHost) ((DefaultServletHostExtensionPoint.LazyServletHost) servletHost).getServletHost(); - } else if(servletHost instanceof WebAppServletHost) { - return (WebAppServletHost) servletHost; - } - } - } - throw new IllegalStateException("No WebApp Servlet host is configured"); - } - - private static Node createNode(final ServletContext servletContext) throws ServletException { - NodeConfiguration configuration; - try { - configuration = getNodeConfiguration(servletContext); - } catch (IOException e) { - throw new ServletException(e); - } - Node node = factory.createNode(configuration).start(); - return node; - } - - 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); - } - } -} |