org.frat.common.controller.ErrorController.java Source code

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Here is the source code for org.frat.common.controller.ErrorController.java

Source

/*
 * Project Name: qcpj
 * File Name: AuthController.java
 * Class Name: AuthController
 *
 * Copyright 2014 Hengtian Software Inc
 *
 * Licensed under the Hengtiansoft
 *
 * http://www.hengtiansoft.com
 *
 * 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.frat.common.controller;

import java.text.MessageFormat;

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

import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

/**
 * ClassName:ErrorController .
 * Description:TODO
 * 
 * @author SC
 */
@Controller
public class ErrorController extends AbstractController {

    @RequestMapping("error/404")
    public String generalError(HttpServletRequest request, HttpServletResponse response, Model model) {
        // retrieve some useful information from the request
        Integer statusCode = (Integer) request.getAttribute("javax.servlet.error.status_code");
        Throwable throwable = (Throwable) request.getAttribute("javax.servlet.error.exception");
        String exceptionMessage = getExceptionMessage(throwable, statusCode);

        String requestUri = (String) request.getAttribute("javax.servlet.error.request_uri");
        if (requestUri == null) {
            requestUri = "Unknown";
        }

        String message = MessageFormat.format("{0} returned for {1} with message {2}", statusCode, requestUri,
                exceptionMessage);

        model.addAttribute("errorMessage", message);
        response.setContentType("text/html;charset=UTF-8");
        return "error/404";
    }

    private String getExceptionMessage(Throwable throwable, Integer statusCode) {
        if (throwable != null) {
            return throwable.getMessage();
        }
        HttpStatus httpStatus = HttpStatus.valueOf(statusCode);
        return httpStatus.getReasonPhrase();
    }

}