Much better console interaction. History, no more losing the command, colours, inline editing, etc. Shorter log output to console (but not to file).

By: Dinnerbone <dinnerbone@dinnerbone.com>

paper-server/pom.xml

@@ -47,6 +47,11 @@
       <artifactId>jopt-simple</artifactId>
       <version>3.2</version>
     </dependency>
+    <dependency>
+      <groupId>jline</groupId>
+      <artifactId>jline</artifactId>
+      <version>0.9.94</version>
+    </dependency>
   </dependencies>
   <!-- This builds a completely 'ready to start' jar with all dependencies inside -->
   <build>

paper-server/src/main/java/org/bukkit/craftbukkit/CraftServer.java

@@ -9,6 +9,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import jline.ConsoleReader;
 import net.minecraft.server.ChunkCoordinates;
 import net.minecraft.server.ConvertProgressUpdater;
 import net.minecraft.server.Convertable;
@@ -276,4 +277,8 @@ public final class CraftServer implements Server {
     public Logger getLogger() {
         return MinecraftServer.a;
     }
+
+    public ConsoleReader getReader() {
+        return console.reader;
+    }
 }

paper-server/src/main/java/org/bukkit/craftbukkit/command/ColouredConsoleSender.java

@@ -0,0 +1,54 @@
+package org.bukkit.craftbukkit.command;
+
+import java.util.EnumMap;
+import java.util.Map;
+import jline.ANSIBuffer.ANSICodes;
+import jline.ConsoleReader;
+import jline.Terminal;
+import org.bukkit.ChatColor;
+import org.bukkit.command.ConsoleCommandSender;
+import org.bukkit.craftbukkit.CraftServer;
+
+public class ColouredConsoleSender extends ConsoleCommandSender {
+    private final ConsoleReader reader;
+    private final Terminal terminal;
+    private final Map<ChatColor, String> replacements = new EnumMap<ChatColor, String>(ChatColor.class);
+    private final ChatColor[] colors = ChatColor.values();
+
+    public ColouredConsoleSender(CraftServer server) {
+        super(server);
+        this.reader = server.getReader();
+        this.terminal = reader.getTerminal();
+
+        replacements.put(ChatColor.BLACK, ANSICodes.attrib(0));
+        replacements.put(ChatColor.RED, ANSICodes.attrib(31));
+        replacements.put(ChatColor.DARK_RED, ANSICodes.attrib(31));
+        replacements.put(ChatColor.GREEN, ANSICodes.attrib(32));
+        replacements.put(ChatColor.DARK_GREEN, ANSICodes.attrib(32));
+        replacements.put(ChatColor.YELLOW, ANSICodes.attrib(33));
+        replacements.put(ChatColor.BLUE, ANSICodes.attrib(34));
+        replacements.put(ChatColor.DARK_BLUE, ANSICodes.attrib(34));
+        replacements.put(ChatColor.LIGHT_PURPLE, ANSICodes.attrib(35));
+        replacements.put(ChatColor.DARK_PURPLE, ANSICodes.attrib(35));
+        replacements.put(ChatColor.AQUA, ANSICodes.attrib(36));
+        replacements.put(ChatColor.WHITE, ANSICodes.attrib(37));
+    }
+
+    @Override
+    public void sendMessage(String message) {
+        if (terminal.isANSISupported()) {
+            String result = message;
+
+            for (ChatColor color : colors) {
+                if (replacements.containsKey(color)) {
+                    result = result.replaceAll(color.toString(), replacements.get(color));
+                } else {
+                    result = result.replaceAll(color.toString(), "");
+                }
+            }
+            System.out.println(result + ANSICodes.attrib(0));
+        } else {
+            super.sendMessage(message);
+        }
+    }
+}

paper-server/src/main/java/org/bukkit/craftbukkit/util/ShortConsoleLogFormatter.java

@@ -0,0 +1,33 @@
+package org.bukkit.craftbukkit.util;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.text.SimpleDateFormat;
+import java.util.logging.Formatter;
+import java.util.logging.LogRecord;
+
+public class ShortConsoleLogFormatter extends Formatter {
+    private final SimpleDateFormat date = new SimpleDateFormat("HH:mm:ss");
+
+    @Override
+    public String format(LogRecord record) {
+        StringBuilder builder = new StringBuilder();
+        Throwable ex = record.getThrown();
+
+        builder.append(date.format(record.getMillis()));
+        builder.append(" [");
+        builder.append(record.getLevel().getLocalizedName().toUpperCase());
+        builder.append("] ");
+        builder.append(record.getMessage());
+        builder.append('\n');
+
+        if (ex != null) {
+            StringWriter writer = new StringWriter();
+            ex.printStackTrace(new PrintWriter(writer));
+            builder.append(writer);
+        }
+
+        return builder.toString();
+    }
+    
+}

paper-server/src/main/java/org/bukkit/craftbukkit/util/TerminalConsoleHandler.java

@@ -0,0 +1,27 @@
+package org.bukkit.craftbukkit.util;
+
+import java.io.IOException;
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import jline.ConsoleReader;
+
+public class TerminalConsoleHandler extends ConsoleHandler {
+    private final ConsoleReader reader;
+
+    public TerminalConsoleHandler(ConsoleReader reader) {
+        super();
+        this.reader = reader;
+    }
+
+    @Override
+    public synchronized void flush() {
+        super.flush();
+        try {
+            reader.redrawLine();
+        } catch (IOException ex) {
+            Logger.getLogger(TerminalConsoleHandler.class.getName()).log(Level.SEVERE, null, ex);
+        }
+    }
+
+}