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logback-classic module

There is a newer version: 1.5.12

package ch.qos.logback.classic.model.processor;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.model.RootLoggerModel;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.model.Model;
import ch.qos.logback.core.model.processor.ModelHandlerBase;
import ch.qos.logback.core.model.processor.ModelHandlerException;
import ch.qos.logback.core.model.processor.ModelInterpretationContext;
import ch.qos.logback.core.util.OptionHelper;

public class RootLoggerModelHandler extends ModelHandlerBase {

    Logger root;
    boolean inError = false;

    public RootLoggerModelHandler(Context context) {
        super(context);
    }

    static public RootLoggerModelHandler makeInstance(Context context, ModelInterpretationContext ic) {
        return new RootLoggerModelHandler(context);
    }

    protected Class getSupportedModelClass() {
        return RootLoggerModel.class;
    }

    @Override
    public void handle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
        inError = false;

        RootLoggerModel rootLoggerModel = (RootLoggerModel) model;

        LoggerContext loggerContext = (LoggerContext) this.context;
        root = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);

        String levelStr = mic.subst(rootLoggerModel.getLevel());
        if (!OptionHelper.isNullOrEmptyOrAllSpaces(levelStr)) {
            Level level = Level.toLevel(levelStr);
            addInfo("Setting level of ROOT logger to " + level);
            root.setLevel(level);
        }

        mic.pushObject(root);
    }

    @Override
    public void postHandle(ModelInterpretationContext mic, Model model) {
        if (inError) {
            return;
        }
        Object o = mic.peekObject();
        if (o != root) {
            addWarn("The object [" + o + "] on the top the of the stack is not the root logger");
        } else {
            mic.popObject();
        }
    }

}