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.directive;
017
018import com.jfinal.kit.LogKit;
019import com.jfinal.template.Env;
020import com.jfinal.template.expr.ast.ExprList;
021import com.jfinal.template.io.Writer;
022import com.jfinal.template.stat.Location;
023import com.jfinal.template.stat.OutputDirectiveFactory;
024import com.jfinal.template.stat.Scope;
025import com.jfinal.template.stat.ast.Output;
026import io.jboot.Jboot;
027
028/**
029 * 主要作用：在生产环境下，忽略模板引擎的错误输出。
030 */
031public class JbootOutputDirectiveFactory extends OutputDirectiveFactory {
032
033    public static final JbootOutputDirectiveFactory me = new JbootOutputDirectiveFactory();
034
035    private boolean ignoreTemplateException = !Jboot.isDevMode();
036
037    public boolean isIgnoreTemplateException() {
038        return ignoreTemplateException;
039    }
040
041    public void setIgnoreTemplateException(boolean ignoreTemplateException) {
042        this.ignoreTemplateException = ignoreTemplateException;
043    }
044
045    @Override
046    public Output getOutputDirective(ExprList exprList, Location location) {
047        return new JbootOutput(exprList, location);
048    }
049
050
051    public static class JbootOutput extends Output {
052
053        public JbootOutput(ExprList exprList, Location location) {
054            super(exprList, location);
055        }
056
057        @Override
058        public void exec(Env env, Scope scope, Writer writer) {
059            try {
060                super.exec(env, scope, writer);
061            } catch (Exception e) {
062                if (me.ignoreTemplateException) {
063                    LogKit.error(e.toString(), e);
064                } else {
065                    throw e;
066                }
067            }
068        }
069    }
070}