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LogInterceptor.java
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LogInterceptor.java
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package net.aufdemrand.denizen.utilities.debugging;
import net.aufdemrand.denizen.BukkitScriptEntryData;
import net.aufdemrand.denizencore.events.OldEventManager;
import net.aufdemrand.denizencore.objects.Element;
import net.aufdemrand.denizencore.objects.dObject;
import org.apache.commons.lang.StringUtils;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.message.Message;
import org.apache.logging.log4j.spi.AbstractLogger;
import org.apache.logging.log4j.spi.AbstractLoggerWrapper;
import org.bukkit.ChatColor;
import org.bukkit.craftbukkit.v1_9_R1.LoggerOutputStream;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
/**
* Intercepts system.out operations for the sake of blocking messages at request.
* Disabled by default in config.yml
*/
public class LogInterceptor extends PrintStream {
boolean redirected = false;
public PrintStream standardOut;
public LogInterceptor() {
super(new LoggerOutputStream(new LoggerOutputIntercept((AbstractLogger) LogManager.getRootLogger()),
Level.INFO), true);
}
public static String cleanse(String input) {
String esc = String.valueOf((char) 0x1b);
String repc = String.valueOf(ChatColor.COLOR_CHAR);
if (input.contains(esc)) {
input = StringUtils.replace(input, esc + "[0;30;22m", repc + "0");
input = StringUtils.replace(input, esc + "[0;34;22m", repc + "1");
input = StringUtils.replace(input, esc + "[0;32;22m", repc + "2");
input = StringUtils.replace(input, esc + "[0;36;22m", repc + "3");
input = StringUtils.replace(input, esc + "[0;31;22m", repc + "4");
input = StringUtils.replace(input, esc + "[0;35;22m", repc + "5");
input = StringUtils.replace(input, esc + "[0;33;22m", repc + "6");
input = StringUtils.replace(input, esc + "[0;37;22m", repc + "7");
input = StringUtils.replace(input, esc + "[0;30;1m", repc + "8");
input = StringUtils.replace(input, esc + "[0;34;1m", repc + "9");
input = StringUtils.replace(input, esc + "[0;32;1m", repc + "a");
input = StringUtils.replace(input, esc + "[0;36;1m", repc + "b");
input = StringUtils.replace(input, esc + "[0;31;1m", repc + "c");
input = StringUtils.replace(input, esc + "[0;35;1m", repc + "d");
input = StringUtils.replace(input, esc + "[0;33;1m", repc + "e");
input = StringUtils.replace(input, esc + "[0;37;1m", repc + "f");
input = StringUtils.replace(input, esc + "[5m", repc + "k");
input = StringUtils.replace(input, esc + "[21m", repc + "l");
input = StringUtils.replace(input, esc + "[9m", repc + "m");
input = StringUtils.replace(input, esc + "[4m", repc + "n");
input = StringUtils.replace(input, esc + "[3m", repc + "o");
input = StringUtils.replace(input, esc + "[m", repc + "r");
}
return input;
}
public void redirectOutput() {
if (redirected) {
return;
}
standardOut = System.out;
System.setOut(this);
}
public void standardOutput() {
if (!redirected) {
return;
}
System.setOut(standardOut);
}
private static class LoggerOutputIntercept extends AbstractLoggerWrapper {
private final Logger logger;
private LoggerOutputIntercept(AbstractLogger logger) {
super(logger, logger.getName(), logger.getMessageFactory());
this.logger = logger;
}
// <--[event]
// @Events
// bukkit console output
//
// @Warning Disable debug on this event or you'll get an infinite loop!
//
// @Triggers when any message is printed to the Bukkit-powered portion of the console. (Requires <@link mechanism server.redirect_logging> be set true.)
// @Context
// <context.message> returns the message that is being printed to console.
// <context.level> returns the log level the message is being printed at.
//
// @Determine
// "CANCELLED" to disable the output.
//
// -->
@Override
public void log(Marker marker, String fqcn, Level level, Message data, Throwable t) {
HashMap<String, dObject> context = new HashMap<String, dObject>();
context.put("message", new Element(cleanse(data.getFormattedMessage())));
context.put("level", new Element(level.name()));
List<String> Determinations = OldEventManager.doEvents(Arrays.asList("console output"),
new BukkitScriptEntryData(null, null), context);
for (String str : Determinations) {
if (str.equalsIgnoreCase("cancelled")) {
return;
}
}
super.log(marker, fqcn, level, data, t);
}
}
}