diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta3-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0-Beta3-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java | 475 |
1 files changed, 0 insertions, 475 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta3-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java b/sca-java-2.x/tags/2.0-Beta3-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java deleted file mode 100644 index 231108bea2..0000000000 --- a/sca-java-2.x/tags/2.0-Beta3-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppHelper.java +++ /dev/null @@ -1,475 +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.FilterConfig; -import javax.servlet.Servlet; -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.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.oasisopen.sca.ServiceRuntimeException; - -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 DOMAIN_URI = "domain.uri"; - private static final String DOMAIN_REGISTRY_URI = "domain.registry.uri"; - private static final String NODE_URI = "node.uri"; - private static final String COMPOSITE_URI = "composite.uri"; - public static final String DOMAIN_NAME_ATTR = "org.apache.tuscany.sca.domain.name"; - public static final String DOMAIN_URI_PROP = "domainURI"; - 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|,)+"); - } - - // 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("uri:")) { - int i = configURI.indexOf('?'); - if (i == -1) { - domainName = configURI.substring("uri:".length()); - } else { - domainName = configURI.substring("uri:".length(), i); - } - } else { - domainName = configURI; - } - return domainName; - } - - public static WebAppServletHost getServletHost() { - return host; - } - - public static Node init(final WebContextConfigurator configurator) { - synchronized (configurator) { - - bootstrapRuntime(configurator); - Node node = (Node)configurator.getAttribute(SCA_NODE_ATTRIBUTE); - if (node == null) { - try { - node = createAndStartNode(configurator); - } catch (ServletException e) { - throw new ServiceRuntimeException(e); - } - configurator.setAttribute(SCA_NODE_ATTRIBUTE, node); - } - return node; - } - } - - /** - * Bootstrap the Tuscany runtime for the given scope - * @param configurator - */ - private synchronized static void bootstrapRuntime(final WebContextConfigurator configurator) { - if (host == null) { - try { - - String configValue = configurator.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, configurator.getServletContext()); - - ServletHostExtensionPoint servletHosts = registry.getExtensionPoint(ServletHostExtensionPoint.class); - servletHosts.setWebApp(true); - - host = getServletHost(configurator); - - } catch (ServletException e) { - throw new ServiceRuntimeException(e); - } - } - } - - private static WebAppServletHost getServletHost(final WebContextConfigurator configurator) throws ServletException { - ExtensionPointRegistry registry = factory.getExtensionPointRegistry(); - WebAppServletHost host = - (WebAppServletHost)org.apache.tuscany.sca.host.http.ServletHostHelper.getServletHost(registry); - - host.init(new ServletConfig() { - public String getInitParameter(String name) { - return configurator.getInitParameter(name); - } - - public Enumeration<?> getInitParameterNames() { - return configurator.getInitParameterNames(); - } - - public ServletContext getServletContext() { - return configurator.getServletContext(); - } - - public String getServletName() { - return configurator.getServletContext().getServletContextName(); - } - }); - return host; - } - - private static Node createAndStartNode(final WebContextConfigurator configurator) throws ServletException { - NodeConfiguration configuration = null; - try { - configuration = getNodeConfiguration(configurator); - } catch (IOException e) { - throw new ServletException(e); - } catch (URISyntaxException e) { - throw new ServletException(e); - } - Node node = null; - if (configuration != null) { - node = factory.createNode(configuration).start(); - } - return node; - } - - public static void stop(WebContextConfigurator configurator) { - Node node = null; - if (configurator != null) { - node = (Node)configurator.getAttribute(SCA_NODE_ATTRIBUTE); - } - if (node != null) { - node.stop(); - configurator.setAttribute(SCA_NODE_ATTRIBUTE, null); - } - } - - public static void destroy() { - if (factory != null) { - factory.destroy(); - } - factory = null; - host = null; - } - - public static NodeFactory getNodeFactory() { - return factory; - } - - private static String getDefaultComposite(WebContextConfigurator configurator) { - String name = configurator.getName(); - if ("".equals(name)) { - return "/WEB-INF/web.composite"; - } else { - return "/WEB-INF/" + name + "/servlet.composite"; - } - } - - private static NodeConfiguration getNodeConfiguration(WebContextConfigurator configurator) throws IOException, - URISyntaxException { - NodeConfiguration configuration = null; - String nodeConfigURI = configurator.getInitParameter(NODE_CONFIGURATION); - ServletContext servletContext = configurator.getServletContext(); - if (nodeConfigURI != null) { - URL url = getResource(servletContext, nodeConfigURI); - configuration = factory.loadConfiguration(url.openStream(), url); - } else { - configuration = factory.createNodeConfiguration(); - - boolean explicitContributions = false; - Enumeration<String> names = configurator.getInitParameterNames(); - 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 = configurator.getInitParameter(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)configurator.getInitParameter(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()); - } - } - } - } - } - - String compositeURI = configurator.getInitParameter(COMPOSITE_URI); - if (compositeURI == null) { - compositeURI = getDefaultComposite(configurator); - } - URL composite = getResource(servletContext, compositeURI); - if (configuration.getContributions().isEmpty() || (!explicitContributions && composite != null)) { - if ("".equals(configurator.getName())) { - // Add the root of the web application - configuration.addContribution(getResource(servletContext, ROOT)); - } else { - // Add a dummy contribution - configuration.addContribution(URI.create("sca:contributions/" + configurator.getName()), null); - } - } - 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 = configurator.getInitParameter(NODE_URI); - if (nodeURI == null) { - nodeURI = getResource(servletContext, ROOT).getPath() + configurator.getName(); - } - configuration.setURI(nodeURI); - String domainURI = configurator.getInitParameter(DOMAIN_URI); - if (domainURI != null) { - configuration.setDomainURI(domainURI); - } else { - domainURI = configurator.getInitParameter("org.apache.tuscany.sca.defaultDomainURI"); - if (domainURI == null) { - domainURI = System.getProperty(DOMAIN_URI_PROP); - } - if (domainURI != null) { - configuration.setDomainURI(getDomainName(domainURI)); - configuration.setDomainRegistryURI(domainURI); - } - } - String domainRegistryURI = configurator.getInitParameter(DOMAIN_REGISTRY_URI); - if (domainRegistryURI != null) { - configuration.setDomainRegistryURI(domainRegistryURI); - } - } - configuration.setAttribute(ServletContext.class.getName(), servletContext); - if(configurator instanceof ServletConfigurator) { - configuration.setAttribute(Servlet.class.getName(), ((ServletConfigurator) configurator).servlet); - } - return configuration; - } - - public static WebContextConfigurator getConfigurator(FilterConfig config) { - return new FilterConfigurator(config); - } - - public static WebContextConfigurator getConfigurator(ServletContext context) { - return new ServletContextConfigurator(context); - } - - public static WebContextConfigurator getConfigurator(Servlet context) { - return new ServletConfigurator(context); - } - - public static class FilterConfigurator implements WebContextConfigurator { - private FilterConfig config; - - public FilterConfigurator(FilterConfig config) { - super(); - this.config = config; - } - - public String getInitParameter(String name) { - String value = config.getInitParameter(name); - if (value == null) { - return config.getServletContext().getInitParameter(name); - } else { - return value; - } - } - - public Enumeration<String> getInitParameterNames() { - Enumeration<String> names = config.getInitParameterNames(); - if (!names.hasMoreElements()) { - return getServletContext().getInitParameterNames(); - } else { - return names; - } - } - - public ServletContext getServletContext() { - return config.getServletContext(); - } - - public void setAttribute(String name, Object value) { - String prefix = "filter:" + config.getFilterName() + ":"; - getServletContext().setAttribute(prefix + name, value); - } - - public <T> T getAttribute(String name) { - String prefix = "filter:" + config.getFilterName() + ":"; - return (T)getServletContext().getAttribute(prefix + name); - } - - public String getName() { - return ""; - } - - } - - public static class ServletContextConfigurator implements WebContextConfigurator { - private ServletContext context; - - public ServletContextConfigurator(ServletContext context) { - super(); - this.context = context; - } - - public String getInitParameter(String name) { - return context.getInitParameter(name); - } - - public Enumeration<String> getInitParameterNames() { - return context.getInitParameterNames(); - } - - public ServletContext getServletContext() { - return context; - } - - public void setAttribute(String name, Object value) { - context.setAttribute(name, value); - } - - public <T> T getAttribute(String name) { - return (T)context.getAttribute(name); - } - - public String getName() { - return ""; - } - } - - public static class ServletConfigurator implements WebContextConfigurator { - private ServletConfig config; - private Servlet servlet; - - public ServletConfigurator(Servlet servlet) { - super(); - this.servlet = servlet; - this.config = servlet.getServletConfig(); - } - - public String getInitParameter(String name) { - String value = config.getInitParameter(name); - return value; - /* - if (value == null) { - return config.getServletContext().getInitParameter(name); - } else { - return value; - } - */ - } - - public Enumeration<String> getInitParameterNames() { - return config.getInitParameterNames(); - } - - public ServletContext getServletContext() { - return config.getServletContext(); - } - - public void setAttribute(String name, Object value) { - String prefix = "servlet:" + config.getServletName() + ":"; - getServletContext().setAttribute(prefix + name, value); - } - - public <T> T getAttribute(String name) { - String prefix = "servlet:" + config.getServletName() + ":"; - return (T)getServletContext().getAttribute(prefix + name); - } - - public String getName() { - return config.getServletName(); - } - - } -} |