org.openmrs.module.logmanager.web.controller.EventViewerController.java Source code

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Here is the source code for org.openmrs.module.logmanager.web.controller.EventViewerController.java

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/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.module.logmanager.web.controller;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.api.context.Context;
import org.openmrs.module.logmanager.Constants;
import org.openmrs.module.logmanager.LogManagerService;
import org.openmrs.module.logmanager.impl.AppenderProxy;
import org.openmrs.module.logmanager.impl.EventProxy;
import org.openmrs.module.logmanager.web.util.IconFactory;
import org.openmrs.module.logmanager.web.util.WebUtils;
import org.openmrs.module.logmanager.web.view.EventReportView;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.ParameterizableViewController;

/**
 * Controller for event view page
 */
public class EventViewerController extends ParameterizableViewController {

    protected static final Log log = LogFactory.getLog(EventViewerController.class);

    protected EventReportView reportView;

    /**
     * @see org.springframework.web.servlet.mvc.ParameterizableViewController#handleRequestInternal(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {

        Map<String, Object> model = new HashMap<String, Object>();
        LogManagerService svc = Context.getService(LogManagerService.class);
        boolean isReport = request.getParameter("report") != null;

        // Get specific appender or default to system appender
        int appId = ServletRequestUtils.getIntParameter(request, "appId", 0);
        AppenderProxy appender = null;
        if (appId != 0)
            appender = svc.getAppender(appId);
        else
            appender = AppenderProxy.getSystemAppender();

        if (appender == null)
            WebUtils.setErrorMessage(request, Constants.MODULE_ID + ".error.invalidEvent", null);
        else {
            // Find specific event and also its previous N events
            int eventId = ServletRequestUtils.getIntParameter(request, "eventId", 0);
            List<EventProxy> contextEvents = new ArrayList<EventProxy>();
            EventProxy event = svc.getAppenderEvent(appender, eventId, contextEvents,
                    isReport ? Constants.EVENT_REPORT_PREV_EVENTS : -1);

            if (event == null)
                WebUtils.setErrorMessage(request, Constants.MODULE_ID + ".error.invalidEvent", null);
            else {
                model.put("event", event);
                model.put("contextEvents", contextEvents);

                if (isReport)
                    return new ModelAndView(reportView, model);
            }
        }

        model.put("levelIcons", IconFactory.getLevelIconMap());

        return new ModelAndView(getViewName(), model);
    }

    /**
     * Sets the event report view
     * @param reportView the event report view
     */
    public void setReportView(EventReportView reportView) {
        this.reportView = reportView;
    }
}