src/java/de/uapcore/lightpit/modules/ErrorModule.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2017 Mike Becker. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 */
package de.uapcore.lightpit.modules;

import de.uapcore.lightpit.LightPITModule;
import de.uapcore.lightpit.AbstractLightPITServlet;
import de.uapcore.lightpit.HttpMethod;
import de.uapcore.lightpit.RequestMapping;
import de.uapcore.lightpit.ResponseType;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Entry point for the application.
 */
@LightPITModule(
        bundleBaseName = "de.uapcore.lightpit.resources.localization.error",
        modulePath = "error",
        titleKey = "title",
        systemModule = true
)
@WebServlet(
        name = "ErrorModule",
        urlPatterns = "/error/*"
)
public final class ErrorModule extends AbstractLightPITServlet {
    
    public static final String REQ_ATTR_ERROR_CODE = "errorCode";
    
    private ResponseType handle(HttpServletRequest req, HttpServletResponse resp, int sc) {
        
        req.setAttribute(REQ_ATTR_ERROR_CODE, sc);
        setStylesheet(req, "error");
        setDynamicFragment(req, "error");
        
        return ResponseType.HTML_FULL;
    }
    
    @RequestMapping(requestPath = "404", method = HttpMethod.GET)
    public ResponseType handle404(HttpServletRequest req, HttpServletResponse resp) {
        return handle(req, resp, 404);
    }
    
    @RequestMapping(requestPath = "403", method = HttpMethod.GET)
    public ResponseType handle403(HttpServletRequest req, HttpServletResponse resp) {
        return handle(req, resp, 403);
    }
    
    @RequestMapping(requestPath = "500", method = HttpMethod.GET)
    public ResponseType handle500(HttpServletRequest req, HttpServletResponse resp) {
        return handle(req, resp, 500);
    }
}