Initial prototype.

.gitignore

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+/build
+/out
+/.idea
+/.gradle

build.gradle

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+group 'com.dmdirc.x'
+version '1.0-SNAPSHOT'
+
+apply plugin: 'java'
+
+sourceCompatibility = 1.8
+
+repositories {
+    mavenCentral()
+    maven { url 'https://artifactory.dmdirc.com/artifactory/repo' }
+}
+
+dependencies {
+    testCompile group: 'junit', name: 'junit', version: '4.12'
+
+    compile group: 'net.engio', name: 'mbassador', version: '1.3.0'
+    compile group: 'de.odysseus.juel', name: 'juel-api', version: '2.2.7'
+    compile group: 'de.odysseus.juel', name: 'juel-impl', version: '2.2.7'
+    compile group: 'de.odysseus.juel', name: 'juel-spi', version: '2.2.7'
+
+    compile group: 'com.google.guava', name:'guava', version: '19.0'
+
+    compile group: 'com.dmdirc', name: 'parser-common', version: '0.8-351-g3a87922-SNAPSHOT'
+    compile group: 'com.dmdirc', name: 'parser-irc', version: '+'
+
+    compile group: 'com.squareup.dagger', name: 'dagger', version: '1.2.5'
+
+    compile group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.8.2'
+    compile group: 'org.apache.logging.log4j', name: 'log4j-core', version: '2.8.2'
+
+    compile group: 'io.reactivex.rxjava2', name: 'rxjava', version: '2.1.2'
+    compile group: 'io.reactivex.rxjava2', name: 'rxjavafx', version: '2.1.1'
+    compile group: 'org.fxmisc.richtext', name: 'richtextfx', version: '0.7-M5'
+}

gradle/wrapper/gradle-wrapper.properties

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+#Sun Aug 13 14:52:58 BST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-rc-2-all.zip

gradlew

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+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save ( ) {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

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+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

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+rootProject.name = 'client'
+

src/main/java/com/dmdirc/x/client/Main.java

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+package com.dmdirc.x.client;
+
+import com.dmdirc.parser.common.MyInfo;
+import com.dmdirc.parser.events.ChannelEvent;
+import com.dmdirc.parser.events.ChannelMessageEvent;
+import com.dmdirc.parser.events.ParserEvent;
+import com.dmdirc.parser.irc.IRCParser;
+import com.dmdirc.x.parser.ObservableParser;
+import io.reactivex.Observable;
+import io.reactivex.rxjavafx.schedulers.JavaFxScheduler;
+import java.net.URI;
+import javafx.application.Application;
+import javafx.scene.Scene;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.fxmisc.richtext.StyleClassedTextArea;
+
+public class Main {
+
+    private static final Logger logger = LogManager.getLogger(Main.class);
+
+    public static void main(String... args) {
+        Application.launch(HelloWorld.class, args);
+    }
+
+    public static class HelloWorld extends Application {
+
+        private StyleClassedTextArea area;
+
+        @Override
+        public void start(Stage primaryStage) {
+            area = new StyleClassedTextArea();
+            area.insertText(0, "Hello");
+
+            StackPane root = new StackPane();
+            root.getChildren().add(area);
+
+            Scene scene = new Scene(root, 300, 250);
+
+            primaryStage.setTitle("Hello World!");
+            primaryStage.setScene(scene);
+            primaryStage.show();
+
+            MyInfo info = new MyInfo();
+            info.setNickname(getParameters().getNamed().getOrDefault("nick", "luser"));
+            IRCParser parser = new IRCParser(info, URI.create(getParameters().getNamed().get("uri")));
+            ObservableParser observableParser = new ObservableParser(parser);
+            parser.connect();
+
+            observableParser.eventObservable().subscribe(this::handleEvent);
+            observableParser.eventObservable()
+                    .filter(e -> e instanceof ChannelEvent)
+                    .map(e -> (ChannelEvent) e)
+                    .filter(c -> c.getChannel().getName().equalsIgnoreCase(
+                            getParameters().getNamed().getOrDefault("channel", "#dmdirc")))
+                    .filter(e -> e instanceof ChannelMessageEvent)
+                    .map(e -> (ChannelMessageEvent) e)
+                    .map(e -> e.getClient().getClient().getNickname() + "> " + e.getMessage())
+                    .observeOn(JavaFxScheduler.platform())
+                    .subscribe(this::handleChannelEvent);
+
+            Observable.range(0, 250000)
+                    .map(String::valueOf)
+                    .observeOn(JavaFxScheduler.platform())
+                    .subscribe(this::handleChannelEvent);
+        }
+
+
+        private void handleEvent(ParserEvent event) {
+            //logger.debug("Received event {}", event.getClass().getName());
+        }
+
+        private void handleChannelEvent(String line) {
+            int length = area.getLength();
+            area.insertText(length, "\n" + line);
+        }
+
+    }
+
+}

src/main/java/com/dmdirc/x/parser/ObservableParser.java

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+package com.dmdirc.x.parser;
+
+import com.dmdirc.parser.events.ParserEvent;
+import com.dmdirc.parser.interfaces.Parser;
+import io.reactivex.Observable;
+import io.reactivex.ObservableEmitter;
+import net.engio.mbassy.listener.Handler;
+import net.engio.mbassy.listener.Listener;
+import net.engio.mbassy.listener.References;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class ObservableParser {
+
+    private static final Logger logger = LogManager.getLogger(ObservableParser.class);
+
+    private final Parser parser;
+    private Observable<ParserEvent> observable;
+
+    public ObservableParser(final Parser parser) {
+        this.parser = parser;
+    }
+
+    public Observable<ParserEvent> eventObservable() {
+        if (observable == null) {
+            observable = Observable.create(e -> {
+                logger.info("Creating new observable!");
+                CallbackListener listener = new CallbackListener(e);
+                parser.getCallbackManager().subscribe(listener);
+                e.setCancellable(() -> parser.getCallbackManager().unsubscribe(listener));
+            });
+        }
+        return observable;
+    }
+
+    @Listener(references = References.Strong)
+    private static final class CallbackListener {
+
+        private final ObservableEmitter<ParserEvent> emitter;
+
+        private CallbackListener(final ObservableEmitter<ParserEvent> emitter) {
+            this.emitter = emitter;
+        }
+
+        @Handler
+        public void handleEvent(final ParserEvent parserEvent) {
+            logger.trace("Emitting event of type {}", parserEvent.getClass().getSimpleName());
+            emitter.onNext(parserEvent);
+        }
+
+    }
+
+}

src/main/resources/log4j2.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+        </Console>
+    </Appenders>
+    <Loggers>
+        <Root level="trace">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>