001/*
002 * Copyright (c) 2024 QOS.ch Sarl (Switzerland)
003 * All rights reserved.
004 *
005 * Permission is hereby granted, free  of charge, to any person obtaining
006 * a  copy  of this  software  and  associated  documentation files  (the
007 * "Software"), to  deal in  the Software without  restriction, including
008 * without limitation  the rights to  use, copy, modify,  merge, publish,
009 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
010 * permit persons to whom the Software  is furnished to do so, subject to
011 * the following conditions:
012 *
013 * The  above  copyright  notice  and  this permission  notice  shall  be
014 * included in all copies or substantial portions of the Software.
015 *
016 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
017 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
018 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
019 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
020 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
021 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
022 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
023 *
024 *
025 *
026 */
027
028package ch.qos.logback.tyler.base.handler;
029
030import ch.qos.logback.classic.Level;
031import ch.qos.logback.classic.Logger;
032import ch.qos.logback.classic.model.LoggerModel;
033import ch.qos.logback.classic.util.LevelUtil;
034import ch.qos.logback.core.Context;
035import ch.qos.logback.core.model.Model;
036import ch.qos.logback.core.model.processor.ModelHandlerBase;
037import ch.qos.logback.core.model.processor.ModelHandlerException;
038import ch.qos.logback.core.model.processor.ModelInterpretationContext;
039import ch.qos.logback.core.util.OptionHelper;
040import ch.qos.logback.tyler.base.TylerModelInterpretationContext;
041import ch.qos.logback.tyler.base.util.VariableNameUtil;
042
043import static ch.qos.logback.classic.tyler.TylerConfiguratorBase.SETUP_LOGGER_METHOD_NAME;
044
045public class LoggerModelHandler  extends ModelHandlerBase {
046
047    boolean inError = false;
048    String loggerName;
049
050    public LoggerModelHandler(Context context) {
051        super(context);
052    }
053
054    protected Class<LoggerModel> getSupportedModelClass() {
055        return LoggerModel.class;
056    }
057
058    static public ModelHandlerBase makeInstance(Context context, ModelInterpretationContext mic) {
059        return new LoggerModelHandler(context);
060    }
061
062
063    @Override
064    public void handle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
065
066        LoggerModel loggerModel = (LoggerModel) model;
067
068        TylerModelInterpretationContext tmic = (TylerModelInterpretationContext) mic;
069
070        this.loggerName = loggerModel.getName();
071
072        String levelStr = loggerModel.getLevel();
073        String additivityStr = loggerModel.getAdditivity();
074        Boolean additivity = addtivityStringToBoolean(additivityStr);
075
076        addJavaStatement(tmic, loggerName, levelStr, additivity);
077        mic.pushObject(loggerName);
078    }
079
080
081    private Boolean addtivityStringToBoolean(String additivityStr) {
082        if (!OptionHelper.isNullOrEmptyOrAllSpaces(additivityStr)) {
083            return OptionHelper.toBoolean(additivityStr, true);
084        } else {
085            return null;
086        }
087
088    }
089
090    private void addJavaStatement(TylerModelInterpretationContext tmic, String loggerName, String levelStr, Boolean additivity) {
091        // Logger logger_XYZ = setupLogger(loggerName, level, levelString, additivity)
092        String loggerVariableName = VariableNameUtil.loggerNameToVariableName(loggerName);
093
094        String additivityStr = additivity == null ? "null" : "Boolean."+additivity.toString().toUpperCase();
095
096        tmic.configureMethodSpecBuilder.addStatement("$T $N = $N($S, $S, $N)", Logger.class, loggerVariableName,
097                SETUP_LOGGER_METHOD_NAME, loggerName, levelStr, additivityStr );
098    }
099
100    @Override
101    public void postHandle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
102        if (inError) {
103            return;
104        }
105        Object o = mic.peekObject();
106        if (o != loggerName) {
107            addWarn("The object [" + o + "] on the top the of the stack is not the logger pushed earlier");
108        } else {
109            mic.popObject();
110        }
111    }
112}