org.toobsframework.pres.app.controller.AppHandler.java Source code

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Here is the source code for org.toobsframework.pres.app.controller.AppHandler.java

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/*
 * This file is licensed to the Toobs Framework Group under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The Toobs Framework Group 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.toobsframework.pres.app.controller;

import java.io.PrintWriter;
import java.util.Date;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.util.UrlPathHelper;
import org.toobsframework.pres.app.AppManager;
import org.toobsframework.pres.base.HandlerBase;
import org.toobsframework.pres.url.UrlDispatchInfo;
import org.toobsframework.pres.util.ComponentRequestManager;
import org.toobsframework.pres.util.IComponentRequest;
import org.toobsframework.pres.util.ParameterUtil;
import org.toobsframework.transformpipeline.domain.IXMLTransformerHelper;

public class AppHandler extends HandlerBase implements IAppHandler {

    private UrlPathHelper urlPathHelper = new UrlPathHelper();

    private AppManager appManager = null;
    private ComponentRequestManager componentRequestManager = null;
    private IXMLTransformerHelper transformerHelper = null;
    private URLResolver urlResolver;

    /* (non-Javadoc)
     * @see org.toobsframework.pres.app.controller.IAppHandler#handleRequestInternal(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response,
            UrlDispatchInfo dispatchInfo) throws Exception {

        String output = "";
        String urlPath = this.urlPathHelper.getLookupPathForRequest(request);

        AppRequest appRequest = urlResolver.resolve(appManager, urlPath, request.getMethod());
        if (log.isDebugEnabled()) {

            appManager.showApps();

            log.debug("AppView App   : " + appRequest.getAppName());
            log.debug("AppView isComp: " + appRequest.getRequestType());
            log.debug("AppView View  : " + appRequest.getViewName());
            appRequest.debugUrlParams();
        }

        Date startTime = null;
        if (log.isDebugEnabled()) {
            startTime = new Date();
        }

        Map<String, Object> params = ParameterUtil.buildParameterMap(request);
        IComponentRequest componentRequest = componentRequestManager.set(dispatchInfo, request, response, params,
                false);

        output = appManager.renderView(appRequest, componentRequest, transformerHelper);

        //Write out to the response.
        response.setContentType("text/html; charset=UTF-8");
        response.setHeader("Pragma", "no-cache"); // HTTP 1.0
        response.setHeader("Cache-Control", "no-cache, must-revalidate, private"); // HTTP 1.1
        PrintWriter writer = response.getWriter();
        writer.print(output);
        writer.flush();

        if (log.isDebugEnabled()) {
            Date endTime = new Date();
            log.debug("Time [" + appRequest.getAppName() + ":" + appRequest.getViewName() + "] - "
                    + (endTime.getTime() - startTime.getTime()));
        }
        return null;

    }

    public void setAppManager(AppManager appManager) {
        this.appManager = appManager;
    }

    public void setComponentRequestManager(ComponentRequestManager componentRequestManager) {
        this.componentRequestManager = componentRequestManager;
    }

    public void setTransformerHelper(IXMLTransformerHelper transformerHelper) {
        this.transformerHelper = transformerHelper;
    }

}