Example usage for org.springframework.web.servlet HandlerInterceptor postHandle

List of usage examples for org.springframework.web.servlet HandlerInterceptor postHandle

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Introduction

In this page you can find the example usage for org.springframework.web.servlet HandlerInterceptor postHandle.

Prototype

default void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
        @Nullable ModelAndView modelAndView) throws Exception

Source Link

Document

Intercept the execution of a handler.

Usage

From source file:org.grails.plugins.web.filters.CompositeInterceptor.java

public void postHandle(HttpServletRequest request, HttpServletResponse response, Object o,
        ModelAndView modelAndView) throws Exception {
    if (log.isDebugEnabled())
        log.debug("postHandle " + request + ", " + response + ", " + o + ", " + modelAndView);

    for (HandlerInterceptor handler : handlersReversed) {
        handler.postHandle(request, response, o, modelAndView);
    }//from  w w  w. j a  va2s  .c o m
}

From source file:jun.learn.scene.handlerMapping.HandlerExecutionChain.java

/**
 * Apply postHandle methods of registered interceptors.
 *//* ww w .  ja va2 s.c om*/
void applyPostHandle(HttpServletRequest request, HttpServletResponse response, ModelAndView mv)
        throws Exception {
    HandlerInterceptor[] interceptors = getInterceptors();
    if (!ObjectUtils.isEmpty(interceptors)) {
        for (int i = interceptors.length - 1; i >= 0; i--) {
            HandlerInterceptor interceptor = interceptors[i];
            interceptor.postHandle(request, response, this.handler, mv);
        }
    }
}

From source file:org.parancoe.web.plugin.PluginHelper.java

public void invokePluginPostHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
        ModelAndView modelAndView) {/*from  w w  w  .j  av a2 s  .co m*/
    for (WebPlugin plugin : getWebPlugins()) {
        for (HandlerInterceptor interceptor : plugin.getInterceptors()) {
            try {
                interceptor.postHandle(request, response, handler, modelAndView);
            } catch (Exception e) {
                log.error("error in postHandle for plugin '" + plugin.getName() + "'", e);
            }
        }
    }
}

From source file:org.zkoss.zk.grails.web.ZULUrlMappingsFilter.java

private boolean renderViewForUrlMappingInfo(HttpServletRequest request, HttpServletResponse response,
        UrlMappingInfo info, String viewName) {
    if (viewResolver != null) {
        View v;/*from ww  w  .jav a  2 s  .c  o m*/
        try {
            // execute pre handler interceptors
            for (HandlerInterceptor handlerInterceptor : handlerInterceptors) {
                if (!handlerInterceptor.preHandle(request, response, this))
                    return false;
            }

            // execute post handlers directly after, since there is no controller. The filter has a chance to modify the view at this point;
            final ModelAndView modelAndView = new ModelAndView(viewName);
            for (HandlerInterceptor handlerInterceptor : handlerInterceptors) {
                handlerInterceptor.postHandle(request, response, this, modelAndView);
            }

            v = WebUtils.resolveView(request, info, modelAndView.getViewName(), viewResolver);
            v.render(modelAndView.getModel(), request, response);

            // after completion
            for (HandlerInterceptor handlerInterceptor : handlerInterceptors) {
                handlerInterceptor.afterCompletion(request, response, this, null);
            }
        } catch (Throwable e) {
            // let the sitemesh filter re-run for the error
            reapplySitemesh(request);
            for (HandlerInterceptor handlerInterceptor : handlerInterceptors) {
                try {
                    handlerInterceptor.afterCompletion(request, response, this,
                            e instanceof Exception ? (Exception) e
                                    : new GroovyPagesException(e.getMessage(), e));
                } catch (Exception e1) {
                    UrlMappingException ume = new UrlMappingException(
                            "Error executing filter after view error: " + e1.getMessage() + ". Original error: "
                                    + e.getMessage(),
                            e1);
                    filterAndThrow(ume);
                }
            }
            UrlMappingException ume = new UrlMappingException(
                    "Error mapping onto view [" + viewName + "]: " + e.getMessage(), e);
            filterAndThrow(ume);
        }
    }
    return true;
}

From source file:org.cloudifysource.rest.ControllerTest.java

private MockHttpServletResponse testRequest(final MockHttpServletRequest request,
        final HandlerMethod expectedHandlerMethod) throws Exception {
    final MockHttpServletResponse response = new MockHttpServletResponse();

    final HandlerExecutionChain handlerExecutionChain = getHandlerToRequest(request);
    Object handler = handlerExecutionChain.getHandler();
    Assert.assertEquals("Wrong handler selected for request uri: " + request.getRequestURI(),
            expectedHandlerMethod.toString(), handler.toString());

    HandlerInterceptor[] interceptors = handlerExecutionChain.getInterceptors();
    // pre handle
    for (HandlerInterceptor handlerInterceptor : interceptors) {
        handlerInterceptor.preHandle(request, response, handler);
    }//  w w w.  jav  a  2 s  . co  m
    // handle the request
    ModelAndView modelAndView = handlerAdapter.handle(request, response, handler);
    // post handle
    for (HandlerInterceptor handlerInterceptor : interceptors) {
        handlerInterceptor.postHandle(request, response, handler, modelAndView);
    }

    // validate the response
    Assert.assertTrue("Wrong response status: " + response.getStatus(),
            response.getStatus() == HttpStatus.OK.value());
    Assert.assertTrue(response.getContentType().contains(MediaType.APPLICATION_JSON));

    return response;
}

From source file:org.geoserver.test.GeoServerAbstractTestSupport.java

private void dispatch(HttpServletRequest request, HttpServletResponse response) throws Exception {
    final DispatcherServlet dispatcher = getDispatcher();

    // build a filter chain so that we can test with filters as well
    MockFilterChain chain = new MockFilterChain();
    List<Filter> filters = getFilters();
    if (filters != null) {
        for (Filter filter : filters) {
            chain.addFilter(filter);// w  ww. j ava  2 s. c  o  m
        }
    }
    chain.setServlet(new HttpServlet() {
        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response)
                throws ServletException, IOException {
            try {
                //excute the pre handler step
                Collection interceptors = GeoServerExtensions.extensions(HandlerInterceptor.class,
                        applicationContext);
                for (Iterator i = interceptors.iterator(); i.hasNext();) {
                    HandlerInterceptor interceptor = (HandlerInterceptor) i.next();
                    interceptor.preHandle(request, response, dispatcher);
                }

                //execute 
                //dispatcher.handleRequest( request, response );
                dispatcher.service(request, response);

                //execute the post handler step
                for (Iterator i = interceptors.iterator(); i.hasNext();) {
                    HandlerInterceptor interceptor = (HandlerInterceptor) i.next();
                    interceptor.postHandle(request, response, dispatcher, null);
                }
            } catch (RuntimeException e) {
                throw e;
            } catch (IOException e) {
                throw e;
            } catch (ServletException e) {
                throw e;
            } catch (Exception e) {
                throw (IOException) new IOException("Failed to handle the request").initCause(e);
            }
        }
    });

    chain.doFilter(request, response);

}

From source file:org.springframework.web.servlet.HandlerExecutionChain.java

/**
 * Apply postHandle methods of registered interceptors.
 *///from   w ww  . j  a  va2 s .com
void applyPostHandle(HttpServletRequest request, HttpServletResponse response, @Nullable ModelAndView mv)
        throws Exception {

    HandlerInterceptor[] interceptors = getInterceptors();
    if (!ObjectUtils.isEmpty(interceptors)) {
        for (int i = interceptors.length - 1; i >= 0; i--) {
            HandlerInterceptor interceptor = interceptors[i];
            interceptor.postHandle(request, response, this.handler, mv);
        }
    }
}

From source file:org.springframework.web.servlet.MyDispatcherServlet.java

/**
 * Process the actual dispatching to the handler.
 * <p>The handler will be obtained by applying the servlet's HandlerMappings in order.
 * The HandlerAdapter will be obtained by querying the servlet's installed HandlerAdapters
 * to find the first that supports the handler class.
 * <p>All HTTP methods are handled by this method. It's up to HandlerAdapters or handlers
 * themselves to decide which methods are acceptable.
 * @param request current HTTP request/* w w w.j  a v  a 2  s.  c o  m*/
 * @param response current HTTP response
 * @throws Exception in case of any kind of processing failure
 */
protected void doDispatch(HttpServletRequest request, HttpServletResponse response) throws Exception {
    HttpServletRequest processedRequest = request;
    HandlerExecutionChain mappedHandler = null;
    int interceptorIndex = -1;

    try {
        ModelAndView mv;
        boolean errorView = false;

        try {
            processedRequest = checkMultipart(request);

            // Determine handler for the current request.
            mappedHandler = getHandler(processedRequest, false);
            if (mappedHandler == null || mappedHandler.getHandler() == null) {
                noHandlerFound(processedRequest, response);
                return;
            }

            // Determine handler adapter for the current request.
            HandlerAdapter ha = getHandlerAdapter(mappedHandler.getHandler());

            // Process last-modified header, if supported by the handler.
            String method = request.getMethod();
            boolean isGet = "GET".equals(method);
            if (isGet || "HEAD".equals(method)) {
                long lastModified = ha.getLastModified(request, mappedHandler.getHandler());
                if (logger.isDebugEnabled()) {
                    String requestUri = urlPathHelper.getRequestUri(request);
                    logger.debug("Last-Modified value for [" + requestUri + "] is: " + lastModified);
                }
                if (new ServletWebRequest(request, response).checkNotModified(lastModified) && isGet) {
                    return;
                }
            }

            // Apply preHandle methods of registered interceptors.
            HandlerInterceptor[] interceptors = mappedHandler.getInterceptors();
            if (interceptors != null) {
                for (int i = 0; i < interceptors.length; i++) {
                    HandlerInterceptor interceptor = interceptors[i];
                    if (!interceptor.preHandle(processedRequest, response, mappedHandler.getHandler())) {
                        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response,
                                null);
                        return;
                    }
                    interceptorIndex = i;
                }
            }

            // Actually invoke the handler.
            mv = ha.handle(processedRequest, response, mappedHandler.getHandler());

            // Do we need view name translation?
            if (mv != null && !mv.hasView()) {
                mv.setViewName(getDefaultViewName(request));
            }

            // Apply postHandle methods of registered interceptors.
            if (interceptors != null) {
                for (int i = interceptors.length - 1; i >= 0; i--) {
                    HandlerInterceptor interceptor = interceptors[i];
                    interceptor.postHandle(processedRequest, response, mappedHandler.getHandler(), mv);
                }
            }
        } catch (ModelAndViewDefiningException ex) {
            logger.debug("ModelAndViewDefiningException encountered", ex);
            mv = ex.getModelAndView();
        } catch (Exception ex) {
            Object handler = (mappedHandler != null ? mappedHandler.getHandler() : null);
            mv = processHandlerException(processedRequest, response, handler, ex);
            errorView = (mv != null);
        }

        // Did the handler return a view to render?
        if (mv != null && !mv.wasCleared()) {
            render(mv, processedRequest, response);
            if (errorView) {
                WebUtils.clearErrorRequestAttributes(request);
            }
        } else {
            if (logger.isDebugEnabled()) {
                logger.debug("Null ModelAndView returned to DispatcherServlet with name '" + getServletName()
                        + "': assuming HandlerAdapter completed request handling");
            }
        }

        // Trigger after-completion for successful outcome.
        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, null);
    }

    catch (Exception ex) {
        // Trigger after-completion for thrown exception.
        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, ex);
        throw ex;
    } catch (Error err) {
        ServletException ex = new NestedServletException("Handler processing failed", err);
        // Trigger after-completion for thrown exception.
        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, ex);
        throw ex;
    }

    finally {
        // Clean up any resources used by a multipart request.
        if (processedRequest != request) {
            cleanupMultipart(processedRequest);
        }
    }
}

From source file:org.springframework.web.servlet.SimpleDispatcherServlet.java

/**
 * Process the actual dispatching to the handler.
 * <p>The handler will be obtained by applying the servlet's HandlerMappings in order.
 * The HandlerAdapter will be obtained by querying the servlet's installed HandlerAdapters
 * to find the first that supports the handler class.
 * <p>All HTTP methods are handled by this method. It's up to HandlerAdapters or handlers
 * themselves to decide which methods are acceptable.
 * @param request current HTTP request//from w  w w.  j  a v a 2s  .  c  o  m
 * @param response current HTTP response
 * @throws Exception in case of any kind of processing failure
 */
public void doDispatch(HttpServletRequest request, HttpServletResponse response) throws Exception {
    HttpServletRequest processedRequest = request;
    HandlerExecutionChain mappedHandler = null;
    int interceptorIndex = -1;

    try {
        ModelAndView mv;
        boolean errorView = false;

        try {
            processedRequest = checkMultipart(request);

            // Determine handler for the current request.
            mappedHandler = getHandler(processedRequest, false);
            if (mappedHandler == null || mappedHandler.getHandler() == null) {
                noHandlerFound(processedRequest, response);
                return;
            }

            // Apply preHandle methods of registered interceptors.
            HandlerInterceptor[] interceptors = mappedHandler.getInterceptors();
            if (interceptors != null) {
                for (int i = 0; i < interceptors.length; i++) {
                    HandlerInterceptor interceptor = interceptors[i];
                    if (!interceptor.preHandle(processedRequest, response, mappedHandler.getHandler())) {
                        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response,
                                null);
                        return;
                    }
                    interceptorIndex = i;
                }
            }

            // Actually invoke the handler.
            HandlerAdapter ha = getHandlerAdapter(mappedHandler.getHandler());
            mv = ha.handle(processedRequest, response, mappedHandler.getHandler());

            // Do we need view name translation?
            if (mv != null && !mv.hasView()) {
                mv.setViewName(getDefaultViewName(request));
            }

            // Apply postHandle methods of registered interceptors.
            if (interceptors != null) {
                for (int i = interceptors.length - 1; i >= 0; i--) {
                    HandlerInterceptor interceptor = interceptors[i];
                    interceptor.postHandle(processedRequest, response, mappedHandler.getHandler(), mv);
                }
            }
        } catch (ModelAndViewDefiningException ex) {
            logger.debug("ModelAndViewDefiningException encountered", ex);
            mv = ex.getModelAndView();
        } catch (Exception ex) {
            Object handler = (mappedHandler != null ? mappedHandler.getHandler() : null);
            mv = processHandlerException(processedRequest, response, handler, ex);
            errorView = (mv != null);
        }

        // Did the handler return a view to render?
        if (mv != null && !mv.wasCleared()) {
            render(mv, processedRequest, response);
            if (errorView) {
                WebUtils.clearErrorRequestAttributes(request);
            }
        } else {
            if (logger.isDebugEnabled()) {
                logger.debug("Null ModelAndView returned to DispatcherServlet with name '" + getServletName()
                        + "': assuming HandlerAdapter completed request handling");
            }
        }

        // Trigger after-completion for successful outcome.
        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, null);
    }

    catch (Exception ex) {
        // Trigger after-completion for thrown exception.
        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, ex);
        throw ex;
    } catch (Error err) {
        ServletException ex = new NestedServletException("Handler processing failed", err);
        // Trigger after-completion for thrown exception.
        triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, ex);
        throw ex;
    }

    finally {
        // Clean up any resources used by a multipart request.
        if (processedRequest != request) {
            cleanupMultipart(processedRequest);
        }
    }
}