List of usage examples for javax.servlet.http HttpServlet init
public void init() throws ServletException
super.init(config). From source file:org.soybeanMilk.test.unit.web.TestDispatchServlet.java
protected void initServlet(HttpServlet servlet) { try {/*from ww w. j a v a2 s . c o m*/ servlet.init(); } catch (Exception e) { throw new RuntimeException(e); } }
From source file:com.web.server.WebServer.java
/** * This method obtains the content executor which executes the executor services * @param deployDirectory//from w w w . ja v a 2s . c om * @param resource * @param httpHeaderClient * @param serverdigester * @return byte[] */ public byte[] ObtainContentExecutor(String deployDirectory, String resource, HttpHeaderClient httpHeaderClient, Digester serverdigester, Hashtable urlClassLoaderMap, ConcurrentHashMap servletMapping, com.web.server.HttpSessionServer session) { //System.out.println("In content Executor"); String[] resourcepath = resource.split("/"); //System.out.println("createDigester1"); Method method = null; //System.out.println("createDigester2"); ////System.out.println(); com.web.server.Executors serverconfig; if (resourcepath.length > 1) { ////System.out.println(resource); try { ClassLoader oldCL = null; String urlresource = ObtainUrlFromResource(resourcepath); try { //System.out.println(servletMapping); //System.out.println(deployDirectory+"/"+resourcepath[1]); HttpSessionServer httpSession; logger.info(deployDirectory + "/" + resourcepath[1] + " " + servletMapping.get(deployDirectory + "/" + resourcepath[1])); if (servletMapping.get(deployDirectory + "/" + resourcepath[1]) != null) { WebAppConfig webAppConfig = (WebAppConfig) servletMapping .get(deployDirectory + "/" + resourcepath[1]); webAppConfig = webAppConfig.clone(); webAppConfig.setWebApplicationAbsolutePath(deployDirectory + "/" + resourcepath[1]); WebClassLoader customClassLoader = null; Class customClass = null; customClassLoader = (WebClassLoader) urlClassLoaderMap .get(deployDirectory + "/" + resourcepath[1]); oldCL = Thread.currentThread().getContextClassLoader(); Thread.currentThread().setContextClassLoader(customClassLoader); ConcurrentHashMap servletMappingsURL = webAppConfig.getServletMappingURL(); Enumeration urlPattern = servletMappingsURL.keys(); while (urlPattern.hasMoreElements()) { String pattern = (String) urlPattern.nextElement(); Pattern r = Pattern.compile(pattern.replace("*", "(.*)")); Matcher m = r.matcher(urlresource); if (m.find()) { urlresource = pattern; break; } } LinkedHashMap<String, Vector<FilterMapping>> filterMappings = webAppConfig .getFilterMappingURL(); Set<String> filterMappingKeys = filterMappings.keySet(); Iterator<String> filterMappingRoller = filterMappingKeys.iterator(); Vector<FilterMapping> filterMapping = null; while (filterMappingRoller.hasNext()) { String pattern = (String) filterMappingRoller.next(); Pattern r = Pattern.compile(pattern.replace("*", "(.*)")); Matcher m = r.matcher(urlresource); if (m.find()) { filterMapping = filterMappings.get(pattern); break; } } if (servletMappingsURL.get(urlresource) != null) { ServletMapping servletMappings = (ServletMapping) servletMappingsURL.get(urlresource); ConcurrentHashMap servlets = webAppConfig.getServlets(); Servlets servlet = (Servlets) servlets.get(servletMappings.getServletName()); HttpServlet httpServlet = null; System.out.println("Session " + session); if (session.getAttribute("SERVLETNAME:" + deployDirectory + "/" + resourcepath[1] + servletMappings.getServletName()) != null) { httpServlet = (HttpServlet) session.getAttribute("SERVLETNAME:" + deployDirectory + "/" + resourcepath[1] + servletMappings.getServletName()); httpServlet.init(); } else { Class servletClass = customClassLoader.loadClass(servlet.getServletClass()); httpServlet = (HttpServlet) servletClass.newInstance(); httpServlet.init(new WebServletConfig(servlet.getServletName().trim(), webAppConfig, customClassLoader)); httpServlet.init(); session.setAttribute("SERVLETNAME:" + deployDirectory + "/" + resourcepath[1] + servletMappings.getServletName(), httpServlet); //ClassLoaderUtil.closeClassLoader(customClassLoader); } if (httpHeaderClient.getHttpMethod().trim().toUpperCase().equals("GET") || httpHeaderClient.getHttpMethod().trim().toUpperCase().equals("POST")) { Response response = new Response(httpHeaderClient); StringBuffer servletPath = new StringBuffer(); if (resourcepath.length > 1) { int pathcount = 0; for (String servPath : resourcepath) { if (pathcount > 1) { servletPath.append("/"); servletPath.append(servPath); } pathcount++; } } String servletpath = servletPath.toString(); if (servletpath.length() == 0) servletpath = "/"; Request request = new Request(httpHeaderClient, session, servletpath, customClassLoader); if (filterMapping != null) { WebFilterChain webFilterChain = new WebFilterChain(httpServlet, webAppConfig, filterMapping, customClassLoader); webFilterChain.doFilter(request, response); } else { httpServlet.service(request, response); } //System.out.println("RESPONSE="+new String(response.getResponse())); //httpServlet.destroy(); response.flushBuffer(); return response.getResponse(); } //httpServlet.destroy(); } else { if (customClassLoader != null) { Map map = customClassLoader.classMap; if (map.get(urlresource) != null) { Class jspBaseCls = customClassLoader.loadClass((String) map.get(urlresource)); HttpJspBase jspBase = (HttpJspBase) jspBaseCls.newInstance(); WebServletConfig servletConfig = new WebServletConfig(); servletConfig.getServletContext().setAttribute( "org.apache.tomcat.InstanceManager", new WebInstanceManager(urlresource)); //servletConfig.getServletContext().setAttribute(org.apache.tomcat.InstanceManager, arg1); jspBase.init(servletConfig); jspBase._jspInit(); Response response = new Response(httpHeaderClient); StringBuffer servletPath = new StringBuffer(); if (resourcepath.length > 1) { int pathcount = 0; for (String servPath : resourcepath) { if (pathcount > 1) { servletPath.append("/"); servletPath.append(servPath); } pathcount++; } } String servletpath = servletPath.toString(); if (servletpath.length() == 0) servletpath = "/"; jspBase._jspService( new Request(httpHeaderClient, session, servletpath, customClassLoader), response); jspBase.destroy(); response.flushBuffer(); return response.getResponse(); } } } } } catch (Exception ex) { ex.printStackTrace(); } finally { if (oldCL != null) { Thread.currentThread().setContextClassLoader(oldCL); } } File file = new File(deployDirectory + "/" + resourcepath[1] + "/WEB-INF/executor-config.xml"); if (!file.exists()) { return null; } WebClassLoader customClassLoader = (WebClassLoader) urlClassLoaderMap .get(deployDirectory + "/" + resourcepath[1]); Class customClass = null; if ((file.isFile() && file.exists())) { synchronized (serverdigester) { serverconfig = (com.web.server.Executors) serverdigester.parse(file); } ConcurrentHashMap urlMap = serverconfig.getExecutorMap(); //System.out.println("ObtainUrlFromResource1"); //logger.info("urlresource"+urlresource); Executor executor = (Executor) urlMap.get(urlresource); //System.out.println("ObtainUrlFromResource2"+executor); //System.out.println("custom class Loader1"+urlClassLoaderMap); //System.out.println("custom class Loader2"+customClassLoader); //System.out.println("CUSTOM CLASS lOADER path"+deployDirectory+"/"+resourcepath[1]); ////System.out.println("custom class loader" +customClassLoader); if (executor != null && customClassLoader != null) { customClass = customClassLoader.loadClass(executor.getExecutorclass()); ExecutorInterface executorInstance = (ExecutorInterface) customClass.newInstance(); Object buffer = null; if (httpHeaderClient.getHttpMethod().trim().toUpperCase().equals("GET")) { buffer = executorInstance.doGet(httpHeaderClient); } else if (httpHeaderClient.getHttpMethod().trim().toUpperCase().equals("POST")) { buffer = executorInstance.doPost(httpHeaderClient); } if (executor.getResponseResource() != null) { httpHeaderClient.setExecutorBuffer(buffer); //System.out.println("Method:"+httpHeaderClient.getHttpMethod()); String resourceClass = (String) customClassLoader.getClassMap() .get(executor.getResponseResource().trim()); customClass = customClassLoader.loadClass(resourceClass); HttpJspBase jspBase = (HttpJspBase) customClass.newInstance(); WebServletConfig servletConfig = new WebServletConfig(); servletConfig.getServletContext().setAttribute("org.apache.tomcat.InstanceManager", new WebInstanceManager(urlresource)); //servletConfig.getServletContext().setAttribute(org.apache.tomcat.InstanceManager, arg1); jspBase.init(servletConfig); jspBase._jspInit(); Response response = new Response(httpHeaderClient); jspBase._jspService(new Request(httpHeaderClient, session, null, customClassLoader), response); jspBase.destroy(); response.flushBuffer(); return response.getResponse(); } return buffer.toString().getBytes(); } } else if (customClassLoader != null) { //System.out.println("url resource"+urlresource); String resourceClass = (String) customClassLoader.getClassMap().get(urlresource); //System.out.println(resourceClass); //System.out.println(customClassLoader.getClassMap()); if (resourceClass == null) return null; customClass = customClassLoader.loadClass(resourceClass); ExecutorInterface executorInstance = (ExecutorInterface) customClass.newInstance(); Object buffer = executorInstance.doGet(httpHeaderClient); return buffer.toString().getBytes(); } ////System.out.println("executor resource 1"); //Object buffer = method.invoke(customClass.newInstance(), new Object[]{httpHeaderClient}); // //logger.info(buffer.toString()); } catch (IOException | SAXException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ClassNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalAccessException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IllegalArgumentException e) { // TODO Auto-generated catch block e.printStackTrace(); } /*catch (InvocationTargetException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (NoSuchMethodException e) { // TODO Auto-generated catch block e.printStackTrace(); } */catch (SecurityException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InstantiationException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } return null; }