diff options
Diffstat (limited to 'sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java')
| -rw-r--r-- | sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java b/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java deleted file mode 100644 index fd6a3ed22b..0000000000 --- a/sandbox/ant/sca/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/ServletHostHelper.java +++ /dev/null @@ -1,202 +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.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.lang.reflect.Method;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.util.Collections;
-import java.util.Enumeration;
-import java.util.List;
-import java.util.logging.Logger;
-
-import javax.naming.InitialContext;
-import javax.naming.NamingException;
-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.ServletHost;
-import org.apache.tuscany.sca.host.http.ServletHostExtensionPoint;
-import org.apache.tuscany.sca.node.Contribution;
-import org.apache.tuscany.sca.node.Node;
-import org.apache.tuscany.sca.node.NodeFactory;
-import org.apache.tuscany.sca.node.impl.NodeImpl;
-import org.oasisopen.sca.ServiceRuntimeException;
-
-public class ServletHostHelper {
- private static final Logger logger = Logger.getLogger(ServletHostHelper.class.getName());
-
- public static final String SCA_NODE_ATTRIBUTE = Node.class.getName();
-
- public static void init(ServletConfig servletConfig) {
- init(servletConfig.getServletContext());
- }
-
- public static ServletHost init(final ServletContext servletContext) {
- Node node = (Node)servletContext.getAttribute(SCA_NODE_ATTRIBUTE);
- if (node == null) {
- try {
- 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");
- }
- ServletHost servletHost = hosts.get(0);
- if (!(servletHost instanceof WebAppServletHost)) {
- throw new IllegalStateException("unexpected ServletHost type: " + servletHost);
- }
- return (WebAppServletHost) servletHost;
- }
-
- private static Node createNode(final ServletContext servletContext) throws ServletException {
- String contextPath = initContextPath(servletContext);
- String contributionRoot = getContributionRoot(servletContext);
- NodeFactory factory = NodeFactory.newInstance();
- String webComposite = getWebComposite(servletContext);
- Node node = factory.createNode(contextPath, webComposite, new Contribution(contributionRoot, contributionRoot));
- node.start();
- return node;
- }
-
- private static String getWebComposite(ServletContext servletContext) {
- InputStream stream = servletContext.getResourceAsStream("/WEB-INF/web.composite");
- BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
-
- StringBuilder sb = new StringBuilder();
- String s = null;
- try {
- while ((s = reader.readLine()) != null) {
- sb.append(s + "\n");
- }
- } catch (IOException e) {
- throw new ServiceRuntimeException(e);
- } finally {
- try {
- stream.close();
- } catch (IOException e) {
- throw new ServiceRuntimeException(e);
- }
- }
-
- return sb.toString();
- }
-
- private static String getContributionRoot(ServletContext servletContext) {
- String contributionRoot = null;
- try {
-
- InitialContext ic = new InitialContext();
- URL repoURL = (URL)ic.lookup("java:comp/env/url/contributions");
-
- contributionRoot = repoURL.toString();
-
- } catch (NamingException e) {
-
- // ignore exception and use default location
-
- try {
-
- String root = servletContext.getInitParameter("contributionRoot");
- if (root == null || root.length() < 1) {
- root = "/";
- }
- URL rootURL = servletContext.getResource(root);
- if (rootURL.getProtocol().equals("jndi")) {
- //this is Tomcat case, we should use getRealPath
- File warRootFile = new File(servletContext.getRealPath(root));
- contributionRoot = warRootFile.toURI().toString();
- } else {
- //this is Jetty case
- contributionRoot = rootURL.toString();
- }
-
- } catch (MalformedURLException mf) {
- //ignore, pass null
- }
- }
-
- logger.info("contributionRoot: " + contributionRoot);
- return contributionRoot;
- }
-
- /**
- * 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")
- private static String initContextPath(ServletContext context) {
- String contextPath;
- if (Collections.list(context.getInitParameterNames()).contains("contextPath")) {
- contextPath = context.getInitParameter("contextPath");
- } else {
- 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);
- return contextPath;
- }
-
- 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);
- }
- }
-}
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