001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (fuhai999@gmail.com).
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package io.jboot.web.render;
017
018import com.jfinal.render.Render;
019import com.jfinal.render.RenderException;
020import com.jfinal.template.TemplateException;
021
022import java.io.IOException;
023import java.io.PrintWriter;
024
025public class TemplateErrorRender extends Render {
026
027    private final TemplateException exception;
028
029    public TemplateErrorRender(TemplateException e) {
030        this.exception = e;
031    }
032
033    @Override
034    public void render() {
035        try {
036            PrintWriter writer = response.getWriter();
037            String message = exception.getMessage();
038            if (message != null) {
039                message = message.replace("\n", "<br />");
040            }
041            writer.write("TemplateException: " + message);
042        } catch (IOException e) {
043            throw new RenderException(e);
044        }
045    }
046}