61 lines
2.4 KiB
Java
61 lines
2.4 KiB
Java
package com.github.games647.colorconsole.common;
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import java.io.Serializable;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.nio.charset.Charset;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.core.Appender;
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import org.apache.logging.log4j.core.Layout;
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import org.apache.logging.log4j.core.Logger;
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import org.apache.logging.log4j.core.LoggerContext;
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import org.apache.logging.log4j.core.config.Configuration;
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import org.apache.logging.log4j.core.config.DefaultConfiguration;
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import org.apache.logging.log4j.core.layout.PatternLayout;
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import org.apache.logging.log4j.core.pattern.RegexReplacement;
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public class CommonLogInstaller {
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public static PatternLayout createLayout(String logFormat) throws ReflectiveOperationException {
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try {
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Method builder = PatternLayout.class
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.getDeclaredMethod("createLayout", String.class, Configuration.class, RegexReplacement.class
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, String.class, String.class);
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return (PatternLayout) builder.invoke(null, logFormat, new DefaultConfiguration(), null
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, Charset.defaultCharset().name(), "true");
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} catch (NoSuchMethodException methodEx) {
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return PatternLayout.newBuilder()
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.withCharset(Charset.defaultCharset())
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.withPattern(logFormat)
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.withConfiguration(new DefaultConfiguration())
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.withAlwaysWriteExceptions(true)
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.build();
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}
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}
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public static void installAppender(Appender colorAppender, String terminalName) {
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Logger rootLogger = (Logger) LogManager.getRootLogger();
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colorAppender.start();
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rootLogger.removeAppender(getTerminalAppender(terminalName));
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rootLogger.addAppender(colorAppender);
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}
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public static void setLayout(Layout<? extends Serializable> layout, Appender terminalAppender)
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throws ReflectiveOperationException {
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Field field = terminalAppender.getClass().getSuperclass().getDeclaredField("layout");
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field.setAccessible(true);
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field.set(terminalAppender, layout);
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}
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public static Appender getTerminalAppender(String terminalName) {
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LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
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Configuration conf = ctx.getConfiguration();
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return conf.getAppenders().get(terminalName);
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}
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}
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