001/*
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2024, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014
015package ch.qos.logback.core.pattern.color;
016
017import ch.qos.logback.core.pattern.DynamicConverter;
018import ch.qos.logback.core.spi.ContextAwareBase;
019import ch.qos.logback.core.util.OptionHelper;
020
021import java.util.function.Supplier;
022
023public class ConverterSupplierByClassName extends ContextAwareBase implements Supplier<DynamicConverter> {
024
025    String conversionWord;
026    String converterClassStr;
027
028    public ConverterSupplierByClassName(String conversionWord, String converterClassStr) {
029        this.conversionWord = conversionWord;
030        this.converterClassStr = converterClassStr;
031    }
032
033    @Override
034    public DynamicConverter get() {
035        try {
036            return (DynamicConverter) OptionHelper.instantiateByClassName(converterClassStr, DynamicConverter.class, context);
037        } catch (Exception e) {
038            addError("Failed to instantiate converter class [" + converterClassStr + "] for conversion word ["+conversionWord+"]", e);
039            return null;
040        }
041    }
042}