com.asual.summer.core.ErrorController.java Source code

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/*
 * Licensed 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 com.asual.summer.core;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.servlet.ModelAndView;

import com.asual.summer.core.view.AbstractResponseView;
import com.asual.summer.core.view.StringView;

/**
 * 
 * @author Rostislav Hristov
 *
 */
@ControllerAdvice
public class ErrorController {

    private Log logger = LogFactory.getLog(ErrorController.class);

    @ResponseViews({ AbstractResponseView.class, StringView.class })
    public ModelAndView error(Exception ex) {

        Writer stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        ex.printStackTrace(printWriter);

        ModelMap model = new ModelMap();
        model.addAttribute("error", ex);
        model.addAttribute("stackTrace", stringWriter.toString());
        return new ModelAndView("/error", model);
    }

    @ExceptionHandler(Exception.class)
    public ModelAndView handleException(Exception ex) {
        logger.info("Catching: " + ex.getClass().getSimpleName());
        logger.error(ex.getMessage(), ex);
        return error(ex);
    }

}