KnarCraft/Minecraft-Server-Launcher
KnarCraft/Minecraft-Server-Launcher
1
0
Fork 0
Code Issues 3 Pull Requests Releases 12 Wiki Activity

Comment and code additions

Browse Source 
More comments are added.
More work on downloading server jars is done.
Server test added.
This commit is contained in:
Kristian Knarvik 2018-01-25 10:53:51 +01:00
parent 227b00d801
commit b6685edc6f
5 changed files with 258 additions and 149 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/Main.java
View File

@ -29,10 +29,10 @@ public class Main {
serverTypes.add(new AdvancedServerType("Snapshot", new String[]{"Latest"}, "https://launchermeta.mojang.com/mc/game/version_manifest.json", "\"snapshot\":\"", "\"", "https://s3.amazonaws.com/Minecraft.Download/versions/", "/minecraft_server."));
serverTypes.add(new AdvancedServerType("SpongeVanilla", new String[]{"1.11.2", "1.10.2", "1.8.9"}, "https://dl-api.spongepowered.org/v1/org.spongepowered/spongevanilla/downloads?type=stable&minecraft=", "\"version\":\"", "\",", "https://repo.spongepowered.org/maven/org/spongepowered/spongevanilla/", "/spongevanilla-"));
serverTypes.add(new AdvancedServerType("Bungee", new String[]{"Latest"}, "https://ci.md-5.net/job/BungeeCord/lastSuccessfulBuild/artifact/bootstrap/target/", "Artifacts of BungeeCord #", " ", "http://ci.md-5.net/job/BungeeCord/lastSuccessfulBuild/artifact/bootstrap/target/BungeeCord.jar", ""));
serverTypes.add(new ServerType("Spigot", new String[]{"1.12.2", "1.11.2", "1.10.2", "1.9.4", "1.9", "1.8.8", "1.7.10", "1.6.4", "1.5.2", "1.4.7"}));
serverTypes.add(new ServerType("MCPCplus", new String[]{"1.6.4", "1.6.2", "1.5.2", "1.4.7"}));
serverTypes.add(new ServerType("Craftbukkit", new String[]{"1.12", "1.11.2", "1.10.2", "1.9.4", "1.8.8", "1.7.10", "1.6.4", "1.5.2", "1.4.6", "1.3.2", "1.2.5", "1.1", "1.0"}));
serverTypes.add(new ServerType("Custom", new String[]{""}));
serverTypes.add(new ServerType("Spigot", new String[]{"1.12.2", "1.11.2", "1.10.2", "1.9.4", "1.9", "1.8.8", "1.7.10", "1.6.4", "1.5.2", "1.4.7"}, "https://knarcraft.net/Api/Download/bungeeminecraftserverlauncher/jars/Spigot/"));
serverTypes.add(new ServerType("MCPCplus", new String[]{"1.6.4", "1.6.2", "1.5.2", "1.4.7"}, "https://knarcraft.net/Api/Download/bungeeminecraftserverlauncher/jars/MCPC+/"));
serverTypes.add(new ServerType("Craftbukkit", new String[]{"1.12", "1.11.2", "1.10.2", "1.9.4", "1.8.8", "1.7.10", "1.6.4", "1.5.2", "1.4.6", "1.3.2", "1.2.5", "1.1", "1.0"}, "https://knarcraft.net/Api/Download/bungeeminecraftserverlauncher/jars/Bukkit/"));
serverTypes.add(new ServerType("Custom", new String[]{""}, ""));
}
/**

8
src/net/knarcraft/serverlauncher/server/AdvancedServerType.java
View File

@ -2,17 +2,15 @@ package net.knarcraft.serverlauncher.server;
public class AdvancedServerType extends ServerType {
private String versionURL;
private String downloadURL;
private String downloadURLPart;
private String srcStart;
private String srcEnd;
public AdvancedServerType(String name, String[] versions, String versionURL, String srcStart, String srcEnd, String downloadURL, String downloadURLPart) {
super(name, versions);
super(name, versions, downloadURL);
this.srcStart = srcStart;
this.srcEnd = srcEnd;
this.versionURL = versionURL;
this.downloadURL = downloadURL;
this.downloadURLPart = downloadURLPart;
}
@ -20,10 +18,6 @@ public class AdvancedServerType extends ServerType {
return this.versionURL;
}
public String getDownloadURL() {
return this.downloadURL;
}
public String getDownloadURLPart() {
return this.downloadURLPart;
}

310
src/net/knarcraft/serverlauncher/server/Server.java
View File

@ -9,165 +9,205 @@ import java.nio.file.StandardCopyOption;
import java.nio.file.*;
import java.util.ArrayList;
import java.io.FileNotFoundException;
/* Contains all necessary information to create, run and manage a Minecraft server. */
public class Server {
/** Necessary urls for downloading from knarcraft.net */
private static final String BASEURL = "https://knarcraft.net/Api/Download/bungeeminecraftserverlauncher/jars"; //The url we download jar files from.
private static final String BUKKITURL = BASEURL + "/Bukkit/";
private static final String MCPCURL = BASEURL + "/MCPC+/";
private static final String SPIGOTURL = BASEURL + "/Spigot/";
/** Available ram sizes. For GUI dropdown */
private static final String[] ramList = {"512M", "1G", "2G", "3G", "4G", "5G", "6G", "7G", "8G", "9G", "10G", "11G", "12G", "13G", "14G", "15G", "16G"};
/**
* Available ram sizes. For GUI dropdown
*/
private static final String[] ramList = {"512M", "1G", "2G", "3G", "4G", "5G", "6G", "7G", "8G", "9G", "10G", "11G", "12G", "13G", "14G", "15G", "16G"};
private String name;
private String path;
private boolean enabled;
private ArrayList<String> playerList;
private AdvancedServerType type;
private String serverVersion;
private String maxRam;
private long pid;
public Server(String name) {
this.name = name;
this.path = "";
this.enabled = false;
this.playerList = new ArrayList<>();
this.type = null;
this.serverVersion = null;
this.maxRam = ramList[0];
this.pid = -1;
}
public void addPlayer(String name) {
this.playerList.add(name);
}
public void removePlayer(String name) {
for (int i = 0; i < playerList.size(); i++) {
if (name.equals(playerList.get(i))) {
playerList.remove(i);
return;
}
}
}
public String getPath() {
return this.path;
}
public String getType() {
return this.type.getName() + this.serverVersion + ".jar";
}
public boolean isEnabled() {
return this.enabled;
}
public String maxRam() {
return this.maxRam;
}
public void updatePid(long pid) {
this.pid = pid;
}
private String name;
private String path;
private boolean enabled;
private ArrayList<String> playerList;
private AdvancedServerType type;
private String serverVersion;
private String maxRam;
private long pid;
public Server(String name) {
this.name = name;
this.path = "";
this.enabled = false;
this.playerList = new ArrayList<>();
this.type = null;
this.serverVersion = null;
this.maxRam = ramList[0];
this.pid = -1;
}
public void addPlayer(String name) {
this.playerList.add(name);
}
public void removePlayer(String name) {
for (int i = 0; i < playerList.size(); i++) {
if (name.equals(playerList.get(i))) {
playerList.remove(i);
return;
}
}
}
public String getPath() {
return this.path;
}
public String getType() {
return this.type.getName() + this.serverVersion + ".jar";
}
public boolean isEnabled() {
return this.enabled;
}
public String maxRam() {
return this.maxRam;
}
public void toggle() {
this.enabled = !this.enabled;
}
public void setPath(String path) {
this.path = path;
}
public void setType(AdvancedServerType type) {
this.type = type;
}
public void setServerVersion(String serverVersion) {
this.serverVersion = serverVersion;
}
public void setMaxRam(String ram) {
this.maxRam = ram;
}
public void updatePid(long pid) {
this.pid = pid;
}
/**
* Downloads necessary .jar file for the server.
* All server versions are downloaded if missing.
* Newest server versions (snapshot, vanilla and bungee) need to be checked against an online json file and downloaded if outdated.
* Custom files must exist, or trigger a message.
* This is unfortunately hardcoded since there is no golden standard, and we only host some jars ourselves.
*
* @throws FileNotFoundException if the file was not found and could not be acquired.
*/
public void downloadJar() throws FileNotFoundException {
File file = new File(this.path + "\\" + this.getType());
public void downloadJar() throws FileNotFoundException {
File file = new File(this.path + "\\" + this.getType());
Path filePath = Paths.get(this.path + "\\" + this.getType());
switch (this.type.getName()) {
case "Custom":
if (!file.isFile()) {
throw new FileNotFoundException("Specified custom jar was not found.");
String versionText;
String newestVersion;
boolean success;
switch (this.type.getName()) {
case "Custom":
if (!file.isFile()) {
throw new FileNotFoundException("Specified custom jar was not found.");
}
break;
case "Spigot":
case "Craftbukkit":
case "MCPCplus":
if (!file.isFile()) {
success = downloadFile(type.getDownloadURL() + type.getName() + this.serverVersion + ".jar", filePath);
if (!success) {
throw new FileNotFoundException("Jar file could not be downloaded.");
}
case "Spigot":
if (!file.isFile()) {
staticJar(SPIGOTURL);
}
break;
case "Vanilla":
case "Snapshot":
if (this.serverVersion.equals("Latest")) {
try {
versionText = readFile(this.type.getVersionURL());
} catch (IOException e) {
throw new FileNotFoundException("Version file could not be downloaded.");
}
break;
case "Craftbukkit":
staticJar(BUKKITURL);
break;
case "MCPCplus":
staticJar(MCPCURL);
break;
case "Vanilla":
case "Snapshot":
if (this.serverVersion.equals("Latest")) {
String versionText;
try {
versionText = readFile(this.type.getVersionURL());
} catch (IOException e) {
throw new FileNotFoundException("Version file could not be downloaded.");
}
String newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
boolean success = downloadFile(type.getDownloadURL() + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar", filePath);
newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
success = downloadFile(type.getDownloadURL() + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar", filePath);
//TODO: Register the new version number, and only download if version mismatch or missing file.
if (!success) {
throw new FileNotFoundException("Jar file could not be downloaded.");
}
} else {
if (!file.isFile()) {
success = downloadFile(type.getDownloadURL() + this.serverVersion + type.getDownloadURLPart() + this.serverVersion + ".jar", filePath);
if (!success) {
throw new FileNotFoundException("Jar file could not be downloaded.");
}
} else {
downloadFile(type.getDownloadURL() + this.serverVersion + type.getDownloadURLPart() + this.serverVersion + ".jar", filePath);
}
break;
case "Sponge":
staticJar(type.getVersionURL(), type.getSrcStart(), type.getSrcEnd(), type.getDownloadURL(), type.getDownloadURLPart(), this.getType());
}
//TODO: Download a jar file based on version and type. Throw an error if the file could not be found or fetched.
}
break;
case "Sponge":
try {
versionText = readFile(this.type.getVersionURL() + this.serverVersion);
} catch (IOException e) {
throw new FileNotFoundException("Version file could not be downloaded.");
}
newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());
success = downloadFile(type.getDownloadURL() + newestVersion + type.getDownloadURLPart() + newestVersion + ".jar", filePath);
//TODO: Register the new version number, and only download if version mismatch or missing file.
if (!success) {
throw new FileNotFoundException("Jar file could not be downloaded.");
}
break;
case "Bungee":
/*try {
versionText = readFile(this.type.getVersionURL());
} catch (IOException e) {
throw new FileNotFoundException("Version file could not be downloaded.");
}
newestVersion = stringBetween(versionText, type.getSrcStart(), type.getSrcEnd());*/
success = downloadFile(type.getDownloadURL(), filePath);
//TODO: Register the new version number, and only download if version mismatch or missing file.
if (!success) {
throw new FileNotFoundException("Jar file could not be downloaded.");
}
}
}
private boolean staticJar(String url) {
return downloadFile(url + this.getType(), Paths.get(this.path + this.getType()));
/**
* Reads a file from a website.
* This is used to find the newest version of the software.
*
* @param path The full url of the file to read.
* @return True if successfull. False otherwise.
*/
private static String readFile(String path) throws IOException {
URL url = new URL(path);
return new Scanner(url.openStream()).useDelimiter("\\Z").next();
}
private boolean staticJar(String versionURL, String srcStart, String srcEnd, String downloadURL, String downloadURLPart, String outfile) {
return downloadFile(versionURL + this.getType(), Paths.get(this.path + this.getType()));
/**
* Downloads a file from a website.
*
* @param path The full url of the file to download.
* @param outfile The file to save to.
* @return True if successful. False otherwise.
*/
private static boolean downloadFile(String path, Path outfile) {
try {
URL url = new URL(path);
InputStream in = url.openStream();
Files.copy(in, outfile, StandardCopyOption.REPLACE_EXISTING);
return true;
} catch (IOException e) {
return false;
}
}
/**
* Reads a file from a website.
* This is used to find the newest version of the software.
*
* @param path The full url of the file to read.
* @return True if successfull. False otherwise.
*/
private static String readFile(String path) throws IOException {
URL url = new URL(path);
return new Scanner(url.openStream()).useDelimiter("\\Z").next();
}
/**
* Downloads a file from a website.
*
* @param path The full url of the file to download.
* @param outfile The file to save to.
* @return True if successful. False otherwise.
*/
private static boolean downloadFile(String path, Path outfile) {
try {
URL url = new URL(path);
InputStream in = url.openStream();
Files.copy(in, outfile, StandardCopyOption.REPLACE_EXISTING);
return true;
} catch (IOException e) {
return false;
}
}
/**
* Finds a substring between two substrings in a string.
*
* @param string The string containing the substrings.
* @param start The substring before the wanted substring.
* @param end The substring after the wanted substring.
* @return The wanted substring.
* @param string The string containing the substrings.
* @param start The substring before the wanted substring.
* @param end The substring after the wanted substring.
* @return The wanted substring.
*/
private String stringBetween(String string, String start, String end) {
private String stringBetween(String string, String start, String end) {
return string.substring(string.indexOf(start) + 1 + start.length(), string.indexOf(end));
}
}

12
src/net/knarcraft/serverlauncher/server/ServerType.java
View File

@ -7,12 +7,14 @@ import java.net.URL;
* Has a name and contains a list of valid server versions.
*/
public class ServerType {
private String name;
private String[] versions;
private final String name;
private final String[] versions;
private final String downloadURL;
public ServerType(String name, String[] versions) {
public ServerType(String name, String[] versions, String downloadURL) {
this.name = name;
this.versions = versions;
this.downloadURL = downloadURL;
}
public String getName() {
@ -22,4 +24,8 @@ public class ServerType {
public String[] getVersions() {
return this.versions;
}
public String getDownloadURL() {
return this.downloadURL;
}
}

69
test/ServerTest.java Normal file
View File

@ -0,0 +1,69 @@
import net.knarcraft.serverlauncher.server.*;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
public class ServerTest {
private static ArrayList<ServerType> serverTypes = new ArrayList<>();
private static ArrayList<Server> servers = new ArrayList<>();
public static void main(String[] args) {
addServerTypes();
Server server1 = new Server("Server1");
server1.toggle();
server1.setPath("C:\\Users\\Kristian\\Desktop\\Test");
server1.setType((AdvancedServerType) serverTypes.get(0));
server1.setServerVersion("Latest");
server1.setMaxRam("1G");
servers.add(server1);
startServers(servers);
}
/**
* Adds all the valid server types and versions.
*/
private static void addServerTypes() {
//This could be changed to read from a list which is downloaded to the user's computer.
serverTypes.add(new AdvancedServerType("Vanilla", new String[]{"Latest", "1.12", "1.11.2", "1.10.2", "1.9.4", "1.8.9", "1.7.10", "1.6.4", "1.5.2", "1.4.7", "1.3.2", "1.2.5"}, "https://launchermeta.mojang.com/mc/game/version_manifest.json", "\"release\":\"", "\"", "https://s3.amazonaws.com/Minecraft.Download/versions/", "/minecraft_server."));
serverTypes.add(new AdvancedServerType("Snapshot", new String[]{"Latest"}, "https://launchermeta.mojang.com/mc/game/version_manifest.json", "\"snapshot\":\"", "\"", "https://s3.amazonaws.com/Minecraft.Download/versions/", "/minecraft_server."));
serverTypes.add(new AdvancedServerType("SpongeVanilla", new String[]{"1.11.2", "1.10.2", "1.8.9"}, "https://dl-api.spongepowered.org/v1/org.spongepowered/spongevanilla/downloads?type=stable&minecraft=", "\"version\":\"", "\",", "https://repo.spongepowered.org/maven/org/spongepowered/spongevanilla/", "/spongevanilla-"));
serverTypes.add(new AdvancedServerType("Bungee", new String[]{"Latest"}, "https://ci.md-5.net/job/BungeeCord/lastSuccessfulBuild/artifact/bootstrap/target/", "Artifacts of BungeeCord #", " ", "http://ci.md-5.net/job/BungeeCord/lastSuccessfulBuild/artifact/bootstrap/target/BungeeCord.jar", ""));
serverTypes.add(new ServerType("Spigot", new String[]{"1.12.2", "1.11.2", "1.10.2", "1.9.4", "1.9", "1.8.8", "1.7.10", "1.6.4", "1.5.2", "1.4.7"}, "https://knarcraft.net/Api/Download/bungeeminecraftserverlauncher/jars/Spigot/"));
serverTypes.add(new ServerType("MCPCplus", new String[]{"1.6.4", "1.6.2", "1.5.2", "1.4.7"}, "https://knarcraft.net/Api/Download/bungeeminecraftserverlauncher/jars/MCPC+/"));
serverTypes.add(new ServerType("Craftbukkit", new String[]{"1.12", "1.11.2", "1.10.2", "1.9.4", "1.8.8", "1.7.10", "1.6.4", "1.5.2", "1.4.6", "1.3.2", "1.2.5", "1.1", "1.0"}, "https://knarcraft.net/Api/Download/bungeeminecraftserverlauncher/jars/Bukkit/"));
serverTypes.add(new ServerType("Custom", new String[]{""}, ""));
}
/**
* Runs all enabled servers with their settings.
*/
public static void startServers(ArrayList<Server> servers) {
System.out.println("Starting servers.");
for (Server server : servers) {
if (server.isEnabled()) {
String path = server.getPath();
String type = server.getType();
try {
server.downloadJar();
System.out.println("File downloaded.");
} catch (FileNotFoundException e) {
System.out.println("File was not found.");
return;
}
String ram = server.maxRam();
Runtime rt = Runtime.getRuntime();
try {
Process pr = rt.exec("java -Xmx" + ram + " -Xms512M -jar " + "\"" + path + "\\" + type + "\" nogui");
long pid = pr.pid();
server.updatePid(pid);
System.out.println("Success");
} catch (IOException e) {
System.out.println("Error");
}
} else {
System.out.println("Server disabled");
}
}
}
}