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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/branches/2.0-Beta2/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta2/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java b/sca-java-2.x/branches/2.0-Beta2/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java deleted file mode 100644 index 0d905eb6eb..0000000000 --- a/sca-java-2.x/branches/2.0-Beta2/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java +++ /dev/null @@ -1,287 +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"; - private static final String DEFAULT_CONTRIBUTIONS = "/WEB-INF/sca-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(); - - - boolean explicitContributions = false; - Enumeration<String> names = servletContext.getAttributeNames(); - while (names.hasMoreElements()) { - String name = names.nextElement(); - if (name.equals(CONTRIBUTION) || name.startsWith(CONTRIBUTION + ".")) { - explicitContributions = true; - // 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 + ".")) { - explicitContributions = true; - 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()); - } - } - } - } - } - - URL composite = getResource(servletContext, WEB_COMPOSITE); - if (configuration.getContributions().isEmpty() || (!explicitContributions && composite != null)) { - // TODO: Which path should be the default root - configuration.addContribution(getResource(servletContext, ROOT)); - } - if (composite != null) { - configuration.getContributions().get(0).addDeploymentComposite(composite); - } - if (!explicitContributions) { - URL url = getResource(servletContext, DEFAULT_CONTRIBUTIONS); - if (url != null) { - File f = new File(url.toURI()); - if (f.isDirectory()) { - for (File n : f.listFiles()) { - configuration.addContribution(n.toURI().toURL()); - } - } - } - } - 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; - } -} |