Convert into a multi-module project.

For now, the API module only contains a few assorted utilities. More
will be added later.

Jenkinsfile

@@ -1,7 +1,7 @@
 pipeline {
   agent {
     docker {
-      image 'gradle:jdk8-slim'
+      image 'openjdk:8-jdk-slim'
       args '-v gradle-cache:/home/gradle/.gradle:rw'
     }
 
@@ -10,7 +10,7 @@ pipeline {
     stage('Build') {
       steps {
         sh './gradlew shadowJar'
-        archiveArtifacts 'build/libs/*.jar'
+        archiveArtifacts 'proxy/build/libs/*-all.jar'
       }
     }
     stage('Test') {

api/build.gradle

@@ -0,0 +1,29 @@
+plugins {
+    id 'java'
+    id 'com.github.johnrengelman.shadow' version '2.0.4'
+}
+
+dependencies {
+    compile 'com.google.code.gson:gson:2.8.5'
+    compile 'com.google.guava:guava:25.1-jre'
+    compile 'net.kyori:text:1.12-1.6.0-SNAPSHOT'
+    compile 'com.moandjiezana.toml:toml4j:0.7.2'
+    testCompile "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
+    testCompile "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
+}
+
+task javadocJar(type: Jar) {
+    classifier 'javadoc'
+    from javadoc
+}
+
+task sourcesJar(type: Jar) {
+    classifier 'sources'
+    from sourceSets.main.allSource
+}
+
+artifacts {
+    archives javadocJar
+    archives shadowJar
+    archives sourcesJar
+}

api/src/main/java/com/velocitypowered/api/package-info.java

@@ -0,0 +1,5 @@
+package com.velocitypowered.api;
+
+/**
+ * Welcome to the Velocity API documentation.
+ */

api/src/main/java/com/velocitypowered/api/servers/ServerInfo.java

@@ -1,14 +1,22 @@
-package com.velocitypowered.proxy.data;
+package com.velocitypowered.api.servers;
 
 import com.google.common.base.Preconditions;
 
 import java.net.InetSocketAddress;
 import java.util.Objects;
 
+/**
+ * ServerInfo represents a server that a player can connect to. This object is immutable and safe for concurrent access.
+ */
 public final class ServerInfo {
     private final String name;
     private final InetSocketAddress address;
 
+    /**
+     * Creates a new ServerInfo object.
+     * @param name the name for the server
+     * @param address the address of the server to connect to
+     */
     public ServerInfo(String name, InetSocketAddress address) {
         this.name = Preconditions.checkNotNull(name, "name");
         this.address = Preconditions.checkNotNull(address, "address");

api/src/main/java/com/velocitypowered/api/util/LegacyChatColorUtils.java

@@ -1,12 +1,12 @@
-package com.velocitypowered.proxy.util;
+package com.velocitypowered.api.util;
 
 import com.google.common.base.Preconditions;
 
 import java.util.regex.Pattern;
 
 /**
- * Utilities for handling legacy Minecraft color codes. Generally, you should prefer JSON-based components, but for
+ * LegacyChatColorUtils contains utilities for handling legacy Minecraft color codes. Generally, you should prefer
- * convenience Velocity provides these utilities.
+ * JSON-based components, but for convenience Velocity provides a limited set of tools to handle Minecraft color codes.
  */
 public enum LegacyChatColorUtils {
     ;

api/src/test/java/com/velocitypowered/api/util/LegacyChatColorUtilsTest.java

@@ -1,5 +1,6 @@
-package com.velocitypowered.proxy.util;
+package com.velocitypowered.api.util;
 
+import com.velocitypowered.api.util.LegacyChatColorUtils;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.*;

build.gradle

@@ -1,8 +1,8 @@
 plugins {
     id 'java'
-    id 'com.github.johnrengelman.shadow' version '2.0.4'
 }
 
+allprojects {
     group 'com.velocitypowered'
     version '1.0-SNAPSHOT'
 
@@ -24,55 +24,9 @@ repositories {
         }
     }
 
-dependencies {
-    compile 'com.google.code.gson:gson:2.8.5'
-    compile 'com.google.guava:guava:25.1-jre'
-    compile "io.netty:netty-codec:${nettyVersion}"
-    compile "io.netty:netty-codec-http:${nettyVersion}"
-    compile "io.netty:netty-handler:${nettyVersion}"
-    compile "io.netty:netty-transport-native-epoll:${nettyVersion}"
-    compile "io.netty:netty-transport-native-epoll:${nettyVersion}:linux-x86_64"
-    compile 'net.kyori:text:1.12-1.6.0-SNAPSHOT'
-    compile "org.apache.logging.log4j:log4j-api:${log4jVersion}"
-    compile "org.apache.logging.log4j:log4j-core:${log4jVersion}"
-    compile 'com.moandjiezana.toml:toml4j:0.7.2'
-    testCompile "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
-    testCompile "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
-}
-
-compileJava {
-    options.compilerArgs += ['-proc:none']
-}
-
-compileTestJava {
-    options.compilerArgs += ['-proc:none']
-}
-
-jar {
-    manifest {
-        attributes 'Main-Class': 'com.velocitypowered.proxy.Velocity'
-        attributes 'Implementation-Version': project.version
-    }
-}
-
     test {
         reports {
             junitXml.enabled = true
         }
     }
-
-task javadocJar(type: Jar) {
-    classifier 'javadoc'
-    from javadoc
-}
-
-task sourcesJar(type: Jar) {
-    classifier 'sources'
-    from sourceSets.main.allSource
-}
-
-artifacts {
-    archives javadocJar
-    archives shadowJar
-    archives sourcesJar
 }

proxy/build.gradle

@@ -0,0 +1,36 @@
+plugins {
+    id 'java'
+    id 'com.github.johnrengelman.shadow' version '2.0.4'
+}
+
+compileJava {
+    options.compilerArgs += ['-proc:none']
+}
+
+compileTestJava {
+    options.compilerArgs += ['-proc:none']
+}
+
+jar {
+    manifest {
+        attributes 'Main-Class': 'com.velocitypowered.proxy.Velocity'
+        attributes 'Implementation-Version': project.version
+    }
+}
+
+dependencies {
+    compile project(':velocity-api')
+    compile "io.netty:netty-codec:${nettyVersion}"
+    compile "io.netty:netty-codec-http:${nettyVersion}"
+    compile "io.netty:netty-handler:${nettyVersion}"
+    compile "io.netty:netty-transport-native-epoll:${nettyVersion}"
+    compile "io.netty:netty-transport-native-epoll:${nettyVersion}:linux-x86_64"
+    compile "org.apache.logging.log4j:log4j-api:${log4jVersion}"
+    compile "org.apache.logging.log4j:log4j-core:${log4jVersion}"
+    testCompile "org.junit.jupiter:junit-jupiter-api:${junitVersion}"
+    testCompile "org.junit.jupiter:junit-jupiter-engine:${junitVersion}"
+}
+
+artifacts {
+    archives shadowJar
+}

proxy/src/main/java/com.velocitypowered/proxy/VelocityServer.java

@@ -5,7 +5,7 @@ import com.google.gson.GsonBuilder;
 import com.velocitypowered.network.ConnectionManager;
 import com.velocitypowered.proxy.config.VelocityConfiguration;
 import com.velocitypowered.proxy.connection.http.NettyHttpClient;
-import com.velocitypowered.proxy.data.ServerInfo;
+import com.velocitypowered.api.servers.ServerInfo;
 import com.velocitypowered.proxy.util.AddressUtil;
 import com.velocitypowered.proxy.util.EncryptionUtils;
 import com.velocitypowered.proxy.util.ServerMap;
@@ -21,7 +21,6 @@ import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.KeyPair;
-import java.util.HashMap;
 import java.util.Map;
 
 public class VelocityServer {

proxy/src/main/java/com.velocitypowered/proxy/config/VelocityConfiguration.java

@@ -3,7 +3,7 @@ package com.velocitypowered.proxy.config;
 import com.google.common.collect.ImmutableMap;
 import com.moandjiezana.toml.Toml;
 import com.velocitypowered.proxy.util.AddressUtil;
-import com.velocitypowered.proxy.util.LegacyChatColorUtils;
+import com.velocitypowered.api.util.LegacyChatColorUtils;
 import net.kyori.text.Component;
 import net.kyori.text.serializer.ComponentSerializers;
 import org.apache.logging.log4j.LogManager;

proxy/src/main/java/com.velocitypowered/proxy/connection/backend/ServerConnection.java

@@ -11,7 +11,7 @@ import com.velocitypowered.proxy.protocol.packets.Handshake;
 import com.velocitypowered.proxy.protocol.packets.ServerLogin;
 import com.velocitypowered.proxy.connection.MinecraftConnection;
 import com.velocitypowered.proxy.protocol.StateRegistry;
-import com.velocitypowered.proxy.data.ServerInfo;
+import com.velocitypowered.api.servers.ServerInfo;
 import com.velocitypowered.proxy.VelocityServer;
 import com.velocitypowered.proxy.connection.client.ConnectedPlayer;
 import io.netty.channel.*;

proxy/src/main/java/com.velocitypowered/proxy/connection/client/ClientPlaySessionHandler.java

@@ -2,7 +2,7 @@ package com.velocitypowered.proxy.connection.client;
 
 import com.velocitypowered.proxy.VelocityServer;
 import com.velocitypowered.proxy.connection.backend.ServerConnection;
-import com.velocitypowered.proxy.data.ServerInfo;
+import com.velocitypowered.api.servers.ServerInfo;
 import com.velocitypowered.proxy.data.scoreboard.Objective;
 import com.velocitypowered.proxy.data.scoreboard.Score;
 import com.velocitypowered.proxy.data.scoreboard.Scoreboard;

proxy/src/main/java/com.velocitypowered/proxy/connection/client/ConnectedPlayer.java

@@ -9,7 +9,7 @@ import com.velocitypowered.proxy.connection.MinecraftConnection;
 import com.velocitypowered.proxy.connection.backend.ServerConnection;
 import com.velocitypowered.proxy.protocol.packets.ClientSettings;
 import com.velocitypowered.proxy.util.ThrowableUtils;
-import com.velocitypowered.proxy.data.ServerInfo;
+import com.velocitypowered.api.servers.ServerInfo;
 import com.velocitypowered.proxy.protocol.packets.Disconnect;
 import net.kyori.text.Component;
 import net.kyori.text.TextComponent;
@@ -21,7 +21,6 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 import java.net.InetSocketAddress;
-import java.util.Collection;
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;

proxy/src/main/java/com.velocitypowered/proxy/connection/client/LoginSessionHandler.java

@@ -10,10 +10,8 @@ import com.velocitypowered.proxy.protocol.packets.*;
 import com.velocitypowered.proxy.connection.MinecraftConnection;
 import com.velocitypowered.proxy.connection.MinecraftSessionHandler;
 import com.velocitypowered.proxy.VelocityServer;
-import com.velocitypowered.proxy.connection.backend.ServerConnection;
+import com.velocitypowered.api.servers.ServerInfo;
-import com.velocitypowered.proxy.data.ServerInfo;
 import com.velocitypowered.proxy.util.EncryptionUtils;
-import com.velocitypowered.proxy.util.UuidUtils;
 import io.netty.buffer.Unpooled;
 import net.kyori.text.TextComponent;
 import net.kyori.text.format.TextColor;

proxy/src/main/java/com.velocitypowered/proxy/util/ServerMap.java

@@ -2,7 +2,7 @@ package com.velocitypowered.proxy.util;
 
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
-import com.velocitypowered.proxy.data.ServerInfo;
+import com.velocitypowered.api.servers.ServerInfo;
 
 import java.util.Collection;
 import java.util.HashMap;

settings.gradle

@@ -1 +1,6 @@
 rootProject.name = 'velocity'
+include 'api'
+include 'proxy'
+findProject(':api')?.name = 'velocity-api'
+findProject(':proxy')?.name = 'velocity-proxy'
+

src/main/resources/velocity.toml

@@ -1,33 +0,0 @@
-# What port should the proxy be bound to? By default, we'll bind to all addresses on port 25577.
-bind = "0.0.0.0:25577"
-
-# What should be the MOTD? Legacy color codes and JSON are accepted.
-motd = "&3A Velocity Server"
-
-# What should we display for the maximum number of players? (Velocity does not support a cap
-# on the number of players online.)
-show-max-players = 500
-
-# Should we authenticate players with Mojang? By default, this is on.
-online-mode = true
-
-# Should we forward IP addresses and other data to backend servers?
-# Available options:
-# - "none":   No forwarding will be done. All players will appear to be connecting from the proxy
-#             and will have offline-mode UUIDs.
-# - "legacy": Forward player IPs and UUIDs in BungeeCord-compatible fashion. Use this if you run
-#             servers using Minecraft 1.12 or lower.
-# - "modern": Forward player IPs and UUIDs as part of the login process using Velocity's native
-#             forwarding. Only applicable for Minecraft 1.13 or higher.
-ip-forwarding = "modern"
-
-[servers]
-# Configure your servers here.
-lobby = "127.0.0.1:30066"
-factions = "127.0.0.1:30067"
-minigames = "127.0.0.1:30068"
-
-# In what order we should try servers when a player logs in or is kicked from a server.
-try = [
-  "lobby"
-]