Redirect System.out and System.err to a Logger

src/main/java/net/minecraft/server/MinecraftServer.java

@@ -3,6 +3,7 @@ package net.minecraft.server;
 import java.awt.GraphicsEnvironment;
 import java.io.File;
 import java.io.IOException;
+import java.io.PrintStream;
 import java.net.InetAddress;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -17,6 +18,7 @@ import java.net.UnknownHostException;
 import joptsimple.OptionSet;
 import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.LoggerOutputStream;
 import org.bukkit.craftbukkit.scheduler.CraftScheduler;
 import org.bukkit.event.Event;
 import org.bukkit.event.world.WorldEvent;
@@ -61,6 +63,12 @@ public class MinecraftServer implements ICommandListener, Runnable {
         threadcommandreader.setDaemon(true);
         threadcommandreader.start();
         ConsoleLogManager.a();
+
+        // Craftbukkit start
+        System.setOut(new PrintStream(new LoggerOutputStream(a, Level.INFO), true));
+        System.setErr(new PrintStream(new LoggerOutputStream(a, Level.SEVERE), true));
+        // Craftbukkit end
+
         a.info("Starting minecraft server version Beta 1.2_01");
         if (Runtime.getRuntime().maxMemory() / 1024L / 1024L < 512L) {
             a.warning("**** NOT ENOUGH RAM!");

src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -260,4 +260,8 @@ public final class CraftServer implements Server {
 
         pluginManager.callEvent(new WorldEvent(Type.WORLD_LOADED, world));
     }
+
+    public Logger getLogger() {
+        return MinecraftServer.a;
+    }
 }

src/main/java/org/bukkit/craftbukkit/LoggerOutputStream.java

@@ -0,0 +1,32 @@
+
+package org.bukkit.craftbukkit;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class LoggerOutputStream extends ByteArrayOutputStream {
+    private final String separator = System.getProperty("line.separator");
+    private final Logger logger;
+    private final Level level;
+
+    public LoggerOutputStream(Logger logger, Level level) {
+        super();
+        this.logger = logger;
+        this.level = level;
+    }
+
+    @Override
+    public void flush() throws IOException {
+        synchronized (this) {
+            super.flush();
+            String record = this.toString();
+            super.reset();
+
+            if ((record.length() > 0) && (!record.equals(separator))) {
+                logger.logp(level, "", "", record);
+            }
+        }
+    }
+}