List of usage examples for org.apache.commons.chain.web.servlet ServletWebContext getRequest
public HttpServletRequest getRequest()
From source file:org.apache.struts.chain.servlet.SelectModule.java
protected String getPrefix(Context context) { // Identify the URI from which we will match a module prefix ServletWebContext swcontext = (ServletWebContext) context; HttpServletRequest request = swcontext.getRequest(); String uri = (String) request.getAttribute(Constants.INCLUDE_SERVLET_PATH); if (uri == null) { uri = request.getServletPath();/*from w w w. j a v a 2 s . c o m*/ } if (uri == null) { throw new IllegalArgumentException("No path information in request"); } // Identify the module prefix for the current module String prefix = ""; // Initialize to default prefix String prefixes[] = (String[]) swcontext.getApplicationScope().get(Globals.MODULE_PREFIXES_KEY); int lastSlash = 0; while (prefix.equals("") && ((lastSlash = uri.lastIndexOf("/")) > 0)) { uri = uri.substring(0, lastSlash); for (int i = 0; i < prefixes.length; i++) { if (uri.equals(prefixes[i])) { prefix = prefixes[i]; break; } } } return (prefix); }
From source file:org.apache.struts.chain.servlet.TilesPreProcessor.java
/** * <p>If the current <code>ForwardConfig</code> is using "tiles", * perform necessary pre-processing to set up the <code>TilesContext</code> * and substitute a new <code>ForwardConfig</code> which is understandable * to a <code>RequestDispatcher</code>.</p> * * <p>Note that if the command finds a previously existing * <code>ComponentContext</code> in the request, then it * infers that it has been called from within another tile, * so instead of changing the <code>ForwardConfig</code> in the chain * <code>Context</code>, the command uses <code>RequestDispatcher</code> * to <em>include</em> the tile, and returns true, indicating that the processing * chain is complete.</p>/* w w w .ja v a 2 s . co m*/ * * @param context The <code>Context</code> for the current request * * @return <code>false</code> in most cases, but true if we determine * that we're processing in "include" mode. */ public boolean execute(Context context) throws Exception { // Is there a Tiles Definition to be processed? ForwardConfig forwardConfig = (ForwardConfig) context.get(getForwardConfigKey()); if (forwardConfig == null || forwardConfig.getPath() == null) { log.debug("No forwardConfig or no path, so pass to next command."); return (false); } ServletWebContext swcontext = (ServletWebContext) context; ComponentDefinition definition = null; try { definition = TilesUtil.getDefinition(forwardConfig.getPath(), swcontext.getRequest(), swcontext.getContext()); } catch (FactoryNotFoundException ex) { // this is not a serious error, so log at low priority log.debug("Tiles DefinitionFactory not found, so pass to next command."); return false; } // Do we do a forward (original behavior) or an include ? boolean doInclude = false; ComponentContext tileContext = null; // Get current tile context if any. // If context exists, we will do an include tileContext = ComponentContext.getContext(swcontext.getRequest()); doInclude = (tileContext != null); // Controller associated to a definition, if any Controller controller = null; // Computed uri to include String uri = null; if (definition != null) { // We have a "forward config" definition. // We use it to complete missing attribute in context. // We also get uri, controller. uri = definition.getPath(); controller = definition.getOrCreateController(); if (tileContext == null) { tileContext = new ComponentContext(definition.getAttributes()); ComponentContext.setContext(tileContext, swcontext.getRequest()); } else { tileContext.addMissing(definition.getAttributes()); } } // Process definition set in Action, if any. This may override the // values for uri or controller found using the ForwardConfig, and // may augment the tileContext with additional attributes. // :FIXME: the class DefinitionsUtil is deprecated, but I can't find // the intended alternative to use. definition = DefinitionsUtil.getActionDefinition(swcontext.getRequest()); if (definition != null) { // We have a definition. // We use it to complete missing attribute in context. // We also overload uri and controller if set in definition. if (definition.getPath() != null) { log.debug("Override forward uri " + uri + " with action uri " + definition.getPath()); uri = definition.getPath(); } if (definition.getOrCreateController() != null) { log.debug("Override forward controller with action controller"); controller = definition.getOrCreateController(); } if (tileContext == null) { tileContext = new ComponentContext(definition.getAttributes()); ComponentContext.setContext(tileContext, swcontext.getRequest()); } else { tileContext.addMissing(definition.getAttributes()); } } if (uri == null) { log.debug("no uri computed, so pass to next command"); return false; } // Execute controller associated to definition, if any. if (controller != null) { log.trace("Execute controller: " + controller); controller.execute(tileContext, swcontext.getRequest(), swcontext.getResponse(), swcontext.getContext()); } // If request comes from a previous Tile, do an include. // This allows to insert an action in a Tile. if (doInclude) { log.info("Tiles process complete; doInclude with " + uri); doInclude(swcontext, uri); return (true); } else { // create an "instant" forward config which can be used // by an AbstractPerformForward later as if our ForwardConfig // were the one actually returned by an executing Action log.info("Tiles process complete; forward to " + uri); // :FIXME: How do we need to coordinate the "context-relative" value // with other places it might be set. For now, hardcode to true. context.put(getForwardConfigKey(), new ForwardConfig("tiles-chain", uri, false, true)); return (false); } }
From source file:org.apache.struts.chain.servlet.TilesPreProcessor.java
/** * <p>Do an include of specified URI using a <code>RequestDispatcher</code>.</p> * * @param swcontext a chain servlet/web context * @param uri Context-relative URI to include */// ww w.j a va 2s.c o m protected void doInclude(ServletWebContext swcontext, String uri) throws IOException, ServletException { HttpServletRequest request = swcontext.getRequest(); // Unwrap the multipart request, if there is one. if (request instanceof MultipartRequestWrapper) { request = ((MultipartRequestWrapper) request).getRequest(); } HttpServletResponse response = swcontext.getResponse(); RequestDispatcher rd = swcontext.getContext().getRequestDispatcher(uri); if (rd == null) { response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "Error getting RequestDispatcher for " + uri); return; } rd.include(request, response); }
From source file:org.apache.struts.chain.servlet.ValidateActionForm.java
/** * <p>Call the <code>validate()</code> method of the specified form bean, * and return the resulting <code>ActionErrors</code> object.</p> * * @param context The context for this request * @param actionForm The form bean for this request *//* w ww. ja va2 s . c o m*/ protected ActionErrors validate(Context context, ActionConfig actionConfig, ActionForm actionForm) { ServletWebContext swcontext = (ServletWebContext) context; ActionErrors errors = (actionForm.validate((ActionMapping) actionConfig, swcontext.getRequest())); // Special handling for multipart request if (errors != null && !errors.isEmpty()) { if (actionForm.getMultipartRequestHandler() != null) { if (log.isTraceEnabled()) { log.trace(" Rolling back multipart request"); } actionForm.getMultipartRequestHandler().rollback(); } } // Saving the errors is not part of the contract for this method, // but the idea of the HttpServletRequest is not present in the // abstract parent of this class. Put this in now so that it // at least gets done -- and then see if other developers have // opinions about whether this is good, bad, or at least acceptable. swcontext.getRequest().setAttribute(Globals.ERROR_KEY, errors); return errors; }