MineTec/TeamspeakChannelbot
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This commit is contained in:
Elias Müller
2025-12-25 18:25:08 +01:00
commit 4fa66b19be
14 changed files with 758 additions and 0 deletions
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.gitignore vendored Normal file
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.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
.kotlin
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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# Default ignored files
/shelf/
/workspace.xml

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.idea/gradle.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="gradleHome" value="" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
</set>
</option>
</GradleProjectSettings>
</option>
</component>
</project>

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.idea/misc.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

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build.gradle Normal file
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plugins {
id 'java'
id "application"
id "com.gradleup.shadow" version "9.3.0"
}
group = 'de.mhsl.teamspeak.channelbot'
version = '1.0-SNAPSHOT'
repositories {
mavenCentral()
}
application {
mainClass = "de.mhsl.teamspeak.channelbot.TalkRoomAutoManager"
}
dependencies {
implementation 'com.fasterxml.jackson.core:jackson-databind:2.17.2'
}
shadowJar {
archiveBaseName = "talkroom-bot"
archiveVersion = "1.0.0"
archiveClassifier = "all"
mergeServiceFiles()
}

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gradle/wrapper/gradle-wrapper.jar vendored Normal file
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gradle/wrapper/gradle-wrapper.properties vendored Normal file
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#Thu Dec 25 17:20:53 CET 2025
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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gradlew vendored Executable file
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#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | 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" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

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gradlew.bat vendored Normal file
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@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 Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@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="-Xmx64m" "-Xms64m"
@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 execute
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 execute
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
: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 %*
: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

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settings.gradle Normal file
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rootProject.name = 'TeamspeakChannelbot'

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src/main/java/de/mhsl/teamspeak/channelbot/ChannelTree.java Normal file
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package de.mhsl.teamspeak.channelbot;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public record ChannelTree(List<Channel> channels, Map<Integer, List<Channel>> byPid) {
public static ChannelTree from(List<Map<String, Object>> raw) {
List<Channel> channels = new ArrayList<>(raw.size());
Map<Integer, List<Channel>> byPid = new HashMap<>();
for(Map<String, Object> m : raw) {
int cid = intVal(m, "cid", -1);
int pid = intVal(m, "pid", 0);
String name = strVal(m, "channel_name", "");
Channel c = new Channel(cid, pid, name, m);
channels.add(c);
byPid.computeIfAbsent(pid, __ -> new ArrayList<>()).add(c);
}
return new ChannelTree(channels, byPid);
}
public Channel findByName(String channelName) {
for(Channel c : channels) {
if(c.name().equals(channelName)) return c;
}
return null;
}
public List<Channel> subChannelsOf(int parentCid) {
return new ArrayList<>(byPid.getOrDefault(parentCid, List.of()));
}
public int totalClients(Channel c) {
// in TS3 ServerQuery gibt es total_clients / total_clients_family usw.
// WebQuery bildet diese Felder i.d.R. als gleiche Keys ab.
// Defensiv: wenn nicht vorhanden, 0.
return intVal(c.raw(), "total_clients", 0);
}
public record Channel(int cid, int pid, String name, Map<String, Object> raw) {
}
private static int intVal(Map<String, Object> m, String key, int def) {
Object v = m.get(key);
if(v == null) return def;
if(v instanceof Number n) return n.intValue();
try {
return Integer.parseInt(String.valueOf(v));
} catch(Exception ignored) {
return def;
}
}
private static String strVal(Map<String, Object> m, String key, String def) {
Object v = m.get(key);
return v == null ? def : String.valueOf(v);
}
}

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src/main/java/de/mhsl/teamspeak/channelbot/Env.java Normal file
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package de.mhsl.teamspeak.channelbot;
public final class Env {
private Env() {}
public static String require(String key) {
String v = System.getenv(key);
if (v == null || v.isBlank()) {
throw new IllegalStateException("Missing required env var: " + key);
}
return v.trim();
}
public static int getInt(String key, int def) {
String v = System.getenv(key);
if (v == null || v.isBlank()) return def;
try {
return Integer.parseInt(v.trim());
} catch (NumberFormatException e) {
throw new IllegalStateException("Invalid int for env var " + key + ": " + v);
}
}
public static String get(String key, String def) {
String v = System.getenv(key);
return (v == null || v.isBlank()) ? def : v.trim();
}
}

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src/main/java/de/mhsl/teamspeak/channelbot/TalkRoomAutoManager.java Normal file
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package de.mhsl.teamspeak.channelbot;
import java.time.Duration;
import java.util.*;
public final class TalkRoomAutoManager {
private static final String BASE_URL = Env.require("TS_BASE_URL");
private static final String API_KEY = Env.require("TS_API_KEY");
private static final int SID = Env.getInt("TS_SID", 1);
private static final Duration POLL_INTERVAL = Duration.ofSeconds(Env.getInt("TS_POLL_INTERVAL", 3));
static void main() {
TsWebQueryClient ts = new TsWebQueryClient(BASE_URL, API_KEY);
Map<String, RoomConfig> configs = defaultConfig();
new Timer().scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
try {
tick(ts, configs);
} catch(Exception e) {
System.err.println("[tick] " + e.getClass().getSimpleName() + ": " + e.getMessage());
}
}
}, 100, POLL_INTERVAL.toMillis());
}
private static Map<String, RoomConfig> defaultConfig() {
Map<String, RoomConfig> m = new LinkedHashMap<>();
m.put("[cspacer]»TalkRooms«", new RoomConfig("◊├ Talk - ", " -", 1, 15, true, -1));
m.put("[cspacer]»TalkRooms für 2«", new RoomConfig("◊├Talk [max 2] - ", " -", 1, 15, false, 2));
m.put("[cspacer]»TalkRooms für 3«", new RoomConfig("◊├Talk [max 3] - ", " -", 1, 15, false, 3));
m.put("[cspacer]»TalkRooms für 4«", new RoomConfig("◊├Talk [max 4] - ", " -", 1, 15, false, 4));
m.put("[cspacer]»TalkRooms für 5«", new RoomConfig("◊├Talk [max 5] - ", " -", 1, 15, false, 5));
return m;
}
private record RoomConfig(
String prefix,
String suffix,
int standardChannels,
int maxChannels,
boolean maxClientsUnlimited,
int maxClients
) {}
private static void tick(TsWebQueryClient ts, Map<String, RoomConfig> configs) throws Exception {
// 1) komplette Channel-Liste holen und indexieren
List<Map<String, Object>> raw = ts.callBodyList(SID, "channellist", Map.of());
ChannelTree tree = ChannelTree.from(raw);
for (Map.Entry<String, RoomConfig> entry : configs.entrySet()) {
String parentName = entry.getKey();
RoomConfig cfg = entry.getValue();
ChannelTree.Channel parent = tree.findByName(parentName);
if (parent == null) {
System.err.println("Parent channel not found: " + parentName);
continue;
}
List<ChannelTree.Channel> subs = tree.subChannelsOf(parent.cid());
// sort "stabil" nach cid (TS liefert i.d.R. ohnehin sortiert, aber nicht garantiert)
subs.sort((a, b) -> Integer.compare(a.cid(), b.cid()));
// Falls keine Subchannels existieren: ersten erstellen
if (subs.isEmpty()) {
System.out.println("No standard channel under " + parentName + " -> creating one");
createSub(ts, parent.cid(), cfg, 1);
// refresh tree for this parent
raw = ts.callBodyList(SID, "channellist", Map.of());
tree = ChannelTree.from(raw);
subs = tree.subChannelsOf(parent.cid());
subs.sort((a, b) -> Integer.compare(a.cid(), b.cid()));
}
// Delete: wenn die letzten 2 leer sind und mehr als "standard" existieren
if (subs.size() > cfg.standardChannels) {
ChannelTree.Channel last = subs.getLast();
ChannelTree.Channel prev = subs.get(subs.size() - 2);
int lastClients = tree.totalClients(last);
int prevClients = tree.totalClients(prev);
if (lastClients == 0 && prevClients == 0) {
System.out.println("Deleting empty tail channel: " + last.name() + " (cid=" + last.cid() + ")");
deleteChannel(ts, last.cid());
// refresh again (sauber bleiben)
raw = ts.callBodyList(SID, "channellist", Map.of());
tree = ChannelTree.from(raw);
subs = tree.subChannelsOf(parent.cid());
subs.sort((a, b) -> Integer.compare(a.cid(), b.cid()));
}
}
// Create: wenn letzter nicht leer und noch Platz und kein leerer Kanal vorhanden
if (subs.size() < cfg.maxChannels) {
ChannelTree.Channel last = subs.getLast();
int lastClients = tree.totalClients(last);
if (lastClients != 0) {
int emptyCount = 0;
for (ChannelTree.Channel c : subs) {
if (tree.totalClients(c) == 0) emptyCount++;
}
if (emptyCount < 1) {
int nextIndex = subs.size() + 1;
System.out.println("Creating new channel under " + parentName + " -> #" + nextIndex);
createSub(ts, parent.cid(), cfg, nextIndex);
}
}
}
}
}
private static void createSub(TsWebQueryClient ts, int parentCid, RoomConfig cfg, int index) throws Exception {
Map<String, String> params = new LinkedHashMap<>();
params.put("channel_name", cfg.prefix + index + cfg.suffix);
params.put("channel_flag_permanent", "1");
params.put("cpid", String.valueOf(parentCid));
params.put("channel_codec", "4"); // 4 = Opus Voice
params.put("channel_codec_quality", "10"); // max
// max clients handling
if (cfg.maxClientsUnlimited) {
params.put("channel_flag_maxclients_unlimited", "1");
} else {
params.put("channel_flag_maxclients_unlimited", "0");
params.put("channel_maxclients", String.valueOf(cfg.maxClients));
}
ts.call(SID, "channelcreate", params);
}
private static void deleteChannel(TsWebQueryClient ts, int cid) throws Exception {
// TS3 query uses: channeldelete cid=... force=1
ts.call(SID, "channeldelete", Map.of(
"cid", String.valueOf(cid),
"force", "1"
));
}
}

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src/main/java/de/mhsl/teamspeak/channelbot/TsWebQueryClient.java Normal file
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package de.mhsl.teamspeak.channelbot;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.net.URI;
import java.net.URLEncoder;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.nio.charset.StandardCharsets;
import java.time.Duration;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
public final class TsWebQueryClient {
private final HttpClient http;
private final ObjectMapper om = new ObjectMapper();
private final String baseUrl;
private final String apiKey;
public TsWebQueryClient(String baseUrl, String apiKey) {
this.baseUrl = trimSlash(baseUrl);
this.apiKey = apiKey;
this.http = HttpClient.newBuilder()
.connectTimeout(Duration.ofSeconds(3))
.build();
}
public JsonNode call(int sid, String command, Map<String, String> params) throws Exception {
Map<String, String> all = new LinkedHashMap<>();
if (params != null) all.putAll(params);
// WebQuery nutzt typischerweise api-key als query param (Beispiele in TS WebQuery Threads). :contentReference[oaicite:1]{index=1}
all.put("api-key", apiKey);
String url = baseUrl + "/" + sid + "/" + command + "?" + encode(all);
HttpRequest req = HttpRequest.newBuilder()
.uri(URI.create(url))
.timeout(Duration.ofSeconds(10))
.GET()
.build();
HttpResponse<String> resp = http.send(req, HttpResponse.BodyHandlers.ofString());
if (resp.statusCode() != 200) {
throw new RuntimeException("WebQuery HTTP " + resp.statusCode() + ": " + resp.body());
}
JsonNode root = om.readTree(resp.body());
ensureOk(root);
return root;
}
/**
* Gibt "body" als Liste von Maps zurück, wenn body ein Array ist.
* Falls body ein Objekt ist oder fehlt: Exception.
*/
public List<Map<String, Object>> callBodyList(int sid, String command, Map<String, String> params) throws Exception {
JsonNode root = call(sid, command, params);
JsonNode body = root.get("body");
if (body == null || !body.isArray()) {
throw new RuntimeException("Unexpected WebQuery response: missing/invalid body array for " + command);
}
return om.convertValue(body, new TypeReference<>() {});
}
private void ensureOk(JsonNode root) {
// WebQuery liefert status-Objekt (code/message). Die genaue Struktur ist je nach Version so oder ähnlich.
// Wir sind defensiv: wenn status.code existiert und != 0 => Fehler.
JsonNode status = root.get("status");
if (status != null) {
JsonNode code = status.get("code");
if (code != null && code.isInt() && code.intValue() != 0) {
String msg = status.has("message") ? status.get("message").asText() : "unknown";
throw new RuntimeException("WebQuery error code=" + code.intValue() + " msg=" + msg);
}
}
}
private static String encode(Map<String, String> params) {
StringBuilder sb = new StringBuilder();
for (Map.Entry<String, String> e : params.entrySet()) {
if (!sb.isEmpty()) sb.append('&');
sb.append(URLEncoder.encode(e.getKey(), StandardCharsets.UTF_8));
sb.append('=');
sb.append(URLEncoder.encode(String.valueOf(e.getValue()), StandardCharsets.UTF_8));
}
return sb.toString();
}
private static String trimSlash(String s) {
if (s == null) return "";
while (s.endsWith("/")) s = s.substring(0, s.length() - 1);
return s;
}
}