TheBrokenRail/ModUpdater
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# gradle
.gradle/
build/
out/
classes/
# eclipse
*.launch
# idea
.idea/
*.iml
*.ipr
*.iws
# vscode
.settings/
.vscode/
bin/
.classpath
.project
# fabric
run/

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# Changelog
**1.0.0**
* Initial Release

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MIT License
Copyright (c) 2020 TheBrokenRail
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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README.md Normal file
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# ModUpdater
A simple Minecraft mod updater.
## Mod Users
Go to the Mod Menu and click the configure icon for ModUpdater.
## Mod Developers
Place this in your ``fabric.mod.json``:
**Maven**
```json
{
"custom": {
"modupdater": {
"strategy": "maven",
"repository": "https://maven.fabricmc.net",
"group": "net.fabricmc.fabric-api",
"artifact": "fabric-api"
}
}
}
```
**CurseForge**
```json
{
"custom": {
"modupdater": {
"strategy": "curseforge",
"projectID": 306612
}
}
}
```
## Changelog
[View Changelog](CHANGELOG.md)

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plugins {
id 'fabric-loom' version '0.4-SNAPSHOT'
}
compileJava {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
version = "${project.mod_version}+${project.minecraft_version}"
group = project.maven_group as Object
dependencies {
minecraft "com.mojang:minecraft:${project.minecraft_version}"
mappings "net.fabricmc:yarn:${project.minecraft_version}+build.${project.yarn_build}:v2"
modImplementation "net.fabricmc:fabric-loader:${project.fabric_loader_version}"
modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_api_version}"
modImplementation "io.github.prospector:modmenu:${project.modmenu_version}"
implementation "com.squareup.moshi:moshi:${project.moshi_version}"
include "com.squareup.moshi:moshi:${project.moshi_version}"
implementation "org.dom4j:dom4j:${project.dom4j_version}"
include "org.dom4j:dom4j:${project.dom4j_version}"
compileOnly 'com.google.code.findbugs:jsr305:3.0.2'
}
processResources {
inputs.property "version", project.version
from(sourceSets.main.resources.srcDirs) {
include "fabric.mod.json"
expand "version": project.version
}
from(sourceSets.main.resources.srcDirs) {
exclude "fabric.mod.json"
}
}
// ensure that the encoding is set to UTF-8, no matter what the system default is
// this fixes some edge cases with special characters not displaying correctly
// see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
tasks.withType(JavaCompile) {
options.encoding = "UTF-8"
}
// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
// if it is present.
// If you remove this task, sources will not be generated.
task sourcesJar(type: Jar, dependsOn: classes) {
classifier "sources"
from sourceSets.main.allSource
}
jar {
from "LICENSE"
}

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# Done to increase the memory available to gradle.
org.gradle.jvmargs = -Xmx1G
# Fabric Properties
minecraft_version = 1.16
yarn_build = 1
fabric_loader_version = 0.8.8+build.202
# Mod Properties
mod_version = 0.0.1
maven_group = com.thebrokenrail
# Dependencies
fabric_api_version = 0.13.1+build.370-1.16
modmenu_version = 1.12.2+build.16
moshi_version = 1.9.2
dom4j_version = 2.1.3

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#Mon Jun 22 19:07:49 EDT 2020
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStorePath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME

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#!/usr/bin/env sh
#
# Copyright 2015 the original author or 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 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 "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
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 or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; 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=`expr $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"
exec "$JAVACMD" "$@"

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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 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

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pluginManagement {
repositories {
jcenter()
maven {
name = 'Fabric'
url = 'https://maven.fabricmc.net/'
}
gradlePluginPortal()
}
}
rootProject.name = 'modupdater'

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src/main/java/com/thebrokenrail/modupdater/ModUpdater.java Normal file
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package com.thebrokenrail.modupdater;
import com.thebrokenrail.modupdater.strategy.ModUpdateStrategies;
import com.thebrokenrail.modupdater.util.ModUpdate;
import net.fabricmc.api.ModInitializer;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class ModUpdater implements ModInitializer {
public static final String NAMESPACE = "modupdater";
private static final String LOGGER_NAME = "ModUpdater";
private static Logger getLogger() {
return LogManager.getLogger(LOGGER_NAME);
}
public static void invalidModUpdaterConfig(String modID) {
getLogger().warn("Invalid JSON Configuration: " + modID);
}
private static ModUpdate[] updates;
public static ModUpdate[] getUpdates() {
if (updates == null) {
updates = ModUpdateStrategies.findAvailableUpdates();
}
return updates;
}
@Override
public void onInitialize() {
getLogger().info("Checking For Mod Updates...");
for (ModUpdate update : getUpdates()) {
getLogger().info(update.text + " (" + update.downloadURL + ')');
}
getLogger().info(updates.length + " Mod Update(s) Found");
}
}

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package com.thebrokenrail.modupdater.client;
import com.thebrokenrail.modupdater.client.gui.ModUpdateScreen;
import io.github.prospector.modmenu.api.ConfigScreenFactory;
import io.github.prospector.modmenu.api.ModMenuApi;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
@Environment(EnvType.CLIENT)
public class ModMenu implements ModMenuApi {
@Override
public ConfigScreenFactory<?> getModConfigScreenFactory() {
return ModUpdateScreen::new;
}
}

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package com.thebrokenrail.modupdater.client.gui;
import com.thebrokenrail.modupdater.ModUpdater;
import com.thebrokenrail.modupdater.util.ModUpdate;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.client.gui.screen.ScreenTexts;
import net.minecraft.client.gui.widget.ButtonWidget;
import net.minecraft.client.gui.widget.EntryListWidget;
import net.minecraft.client.util.NarratorManager;
import net.minecraft.client.util.math.MatrixStack;
import net.minecraft.text.TranslatableText;
import net.minecraft.util.Util;
@Environment(EnvType.CLIENT)
public class ModUpdateScreen extends Screen {
private ModUpdateListWidget list;
private ButtonWidget download;
private final Screen parent;
public ModUpdateScreen(Screen parent) {
super(new TranslatableText("gui." + ModUpdater.NAMESPACE + ".title"));
this.parent = parent;
}
@Override
protected void init() {
list = new ModUpdateListWidget(client, this);
children.add(list);
int buttonWidth = 150;
int paddingX = 5;
int doneX = width / 2 - buttonWidth - paddingX;
int downloadX = width / 2 + paddingX;
download = addButton(new ButtonWidget(downloadX, height - 38, buttonWidth, 20, new TranslatableText("gui." + ModUpdater.NAMESPACE + ".download"), buttonWidget -> {
if (list.getSelected() != null) {
Util.getOperatingSystem().open(list.getSelected().update.downloadURL);
}
}));
download.active = false;
addButton(new ButtonWidget(doneX, height - 38, buttonWidth, 20, ScreenTexts.DONE, buttonWidget -> {
assert client != null;
client.openScreen(parent);
}));
super.init();
}
@Override
public void render(MatrixStack matrices, int mouseX, int mouseY, float delta) {
list.render(matrices, mouseX, mouseY, delta);
drawCenteredText(matrices, textRenderer, title, width / 2, 16, 16777215);
super.render(matrices, mouseX, mouseY, delta);
}
@Environment(EnvType.CLIENT)
private static class ModUpdateListWidget extends EntryListWidget<ModUpdateEntry> {
private final ModUpdateScreen screen;
private ModUpdateListWidget(MinecraftClient client, ModUpdateScreen screen) {
super(client, screen.width, screen.height, 32, screen.height - 65 + 4, 18);
this.screen = screen;
for (ModUpdate update : ModUpdater.getUpdates()) {
addEntry(new ModUpdateEntry(update, screen, this));
}
}
@Override
public int getRowWidth() {
return width - 20;
}
@Override
protected int getScrollbarPositionX() {
return super.getScrollbarPositionX() + 30;
}
private int getWidth() {
return width;
}
@Override
public void setSelected(ModUpdateEntry entry) {
super.setSelected(entry);
if (entry != null) {
NarratorManager.INSTANCE.narrate(new TranslatableText("narrator.select", entry.update.text).asString());
screen.download.active = true;
} else {
screen.download.active = false;
}
}
@Override
protected void renderBackground(MatrixStack matrixStack) {
screen.renderBackground(matrixStack);
}
@Override
protected boolean isFocused() {
return screen.getFocused() == this;
}
}
@Environment(EnvType.CLIENT)
private static class ModUpdateEntry extends ModUpdateListWidget.Entry<ModUpdateScreen.ModUpdateEntry> {
private final ModUpdate update;
private final ModUpdateScreen screen;
private final ModUpdateListWidget parent;
private ModUpdateEntry(ModUpdate update, ModUpdateScreen screen, ModUpdateListWidget parent) {
this.update = update;
this.screen = screen;
this.parent = parent;
}
@Override
public void render(MatrixStack matrices, int index, int y, int x, int entryWidth, int entryHeight, int mouseX, int mouseY, boolean hovered, float tickDelta) {
screen.textRenderer.drawWithShadow(matrices, update.text, (float) (parent.getWidth() / 2 - screen.textRenderer.getWidth(update.text) / 2), (float) (y + 1), 16777215, true);
}
@Override
public boolean mouseClicked(double mouseX, double mouseY, int button) {
if (button == 0) {
onPressed();
return true;
} else {
return false;
}
}
private void onPressed() {
parent.setSelected(this);
}
}
}

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src/main/java/com/thebrokenrail/modupdater/strategy/CurseForgeStrategy.java Normal file
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package com.thebrokenrail.modupdater.strategy;
import com.mojang.bridge.game.GameVersion;
import com.squareup.moshi.JsonAdapter;
import com.squareup.moshi.Moshi;
import com.thebrokenrail.modupdater.ModUpdater;
import com.thebrokenrail.modupdater.util.ConfigObject;
import com.thebrokenrail.modupdater.util.ModUpdate;
import com.thebrokenrail.modupdater.util.ModUpdateStrategy;
import com.thebrokenrail.modupdater.util.Util;
import net.fabricmc.loader.api.SemanticVersion;
import net.fabricmc.loader.util.version.VersionParsingException;
import java.io.IOException;
import java.util.Arrays;
class CurseForgeStrategy implements ModUpdateStrategy {
@SuppressWarnings({"unused", "MismatchedReadAndWriteOfArray"})
private static class CurseForgeFile {
private String fileName;
private String downloadUrl;
private String[] gameVersion;
}
@Override
public ModUpdate checkForUpdate(ConfigObject obj, String oldVersion, String name) {
int projectID;
try {
projectID = obj.getInt("projectID");
} catch (ConfigObject.MissingValueException e) {
ModUpdater.invalidModUpdaterConfig(name);
return null;
}
String data = Util.urlToString("https://addons-ecs.forgesvc.net/api/v2/addon/" + projectID + "/files");
Moshi moshi = new Moshi.Builder().build();
JsonAdapter<CurseForgeFile[]> jsonAdapter = moshi.adapter(CurseForgeFile[].class);
CurseForgeFile[] files;
try {
files = jsonAdapter.fromJson(data);
} catch (IOException e) {
e.printStackTrace();
return null;
}
if (files == null) {
return null;
}
String versionStr;
GameVersion version = Util.getMinecraftVersion();
if (version.isStable()) {
versionStr = version.getName();
} else {
versionStr = version.getReleaseTarget() + "-Snapshot";
}
CurseForgeFile newestFile = null;
for (CurseForgeFile file : files) {
String fileVersion = Util.getVersionFromFileName(file.fileName);
if (Arrays.asList(file.gameVersion).contains(versionStr) || Util.isVersionCompatible(fileVersion)) {
if (newestFile != null) {
String newestFileVersion = Util.getVersionFromFileName(newestFile.fileName);
try {
if (SemanticVersion.parse(fileVersion).compareTo(SemanticVersion.parse(newestFileVersion)) > 0) {
newestFile = file;
}
} catch (VersionParsingException ignored) {
}
} else {
newestFile = file;
}
}
}
if (newestFile != null) {
String newestFileVersion = Util.getVersionFromFileName(newestFile.fileName);
try {
if (SemanticVersion.parse(newestFileVersion).compareTo(SemanticVersion.parse(oldVersion)) > 0) {
return new ModUpdate(oldVersion, newestFileVersion, newestFile.downloadUrl, name);
} else {
return null;
}
} catch (VersionParsingException e) {
return null;
}
} else {
return null;
}
}
}

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src/main/java/com/thebrokenrail/modupdater/strategy/MavenStrategy.java Normal file
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package com.thebrokenrail.modupdater.strategy;
import com.thebrokenrail.modupdater.ModUpdater;
import com.thebrokenrail.modupdater.util.ConfigObject;
import com.thebrokenrail.modupdater.util.ModUpdate;
import com.thebrokenrail.modupdater.util.ModUpdateStrategy;
import com.thebrokenrail.modupdater.util.Util;
import net.fabricmc.loader.api.SemanticVersion;
import net.fabricmc.loader.util.version.VersionParsingException;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;
public class MavenStrategy implements ModUpdateStrategy {
@Override
public ModUpdate checkForUpdate(ConfigObject obj, String oldVersion, String name) {
String repository;
String group;
String artifact;
try {
repository = obj.getString("repository");
group = obj.getString("group");
artifact = obj.getString("artifact");
} catch (ConfigObject.MissingValueException e) {
ModUpdater.invalidModUpdaterConfig(name);
return null;
}
String mavenRoot = repository + '/' + group.replaceAll("\\.", "/") + '/' + artifact;
Document doc;
try {
SAXReader reader = new SAXReader();
doc = reader.read(new URL(mavenRoot + "/maven-metadata.xml"));
} catch (MalformedURLException | DocumentException e) {
ModUpdater.invalidModUpdaterConfig(name);
return null;
}
List<Node> versions = doc.selectNodes("/metadata/versioning/versions/*");
String newestVersion = null;
for (Node node : versions) {
String version = node.getText();
if (Util.isVersionCompatible(version)) {
if (newestVersion != null) {
try {
if (SemanticVersion.parse(version).compareTo(SemanticVersion.parse(newestVersion)) > 0) {
newestVersion = version;
}
} catch (VersionParsingException ignored) {
}
} else {
newestVersion = version;
}
}
}
if (newestVersion != null) {
try {
if (SemanticVersion.parse(newestVersion).compareTo(SemanticVersion.parse(oldVersion)) > 0) {
return new ModUpdate(oldVersion, newestVersion, mavenRoot + '/' + newestVersion + '/' + artifact + '-' + newestVersion + Util.JAR_EXTENSION, name);
} else {
return null;
}
} catch (VersionParsingException e) {
return null;
}
} else {
return null;
}
}
}

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src/main/java/com/thebrokenrail/modupdater/strategy/ModUpdateStrategies.java Normal file
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package com.thebrokenrail.modupdater.strategy;
import com.thebrokenrail.modupdater.ModUpdater;
import com.thebrokenrail.modupdater.util.ConfigObject;
import com.thebrokenrail.modupdater.util.HardcodedData;
import com.thebrokenrail.modupdater.util.ModUpdate;
import com.thebrokenrail.modupdater.util.ModUpdateStrategy;
import net.fabricmc.loader.api.FabricLoader;
import net.fabricmc.loader.api.ModContainer;
import net.fabricmc.loader.api.metadata.ModMetadata;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class ModUpdateStrategies {
private static final Map<String, ModUpdateStrategy> data = new HashMap<>();
private static ModUpdate checkForUpdate(ModMetadata metadata, ConfigObject obj, String name) {
String oldVersion = metadata.getVersion().toString();
String strategy;
try {
strategy = obj.getString("strategy");
} catch (ConfigObject.MissingValueException e) {
ModUpdater.invalidModUpdaterConfig(name);
return null;
}
ModUpdateStrategy strategyObj = data.get(strategy);
if (strategyObj == null) {
ModUpdater.invalidModUpdaterConfig(name);
return null;
}
return strategyObj.checkForUpdate(obj, oldVersion, name);
}
public static ModUpdate[] findAvailableUpdates() {
List<ModUpdate> updates = new ArrayList<>();
for (ModContainer mod : FabricLoader.getInstance().getAllMods()) {
ModMetadata metadata = mod.getMetadata();
String name = metadata.getName() + " (" + metadata.getId() + ')';
ModUpdate update = null;
if (metadata.containsCustomValue(ModUpdater.NAMESPACE)) {
try {
update = checkForUpdate(metadata, new ConfigObject.ConfigObjectCustom(metadata.getCustomValue(ModUpdater.NAMESPACE).getAsObject()), name);
} catch (ClassCastException e) {
ModUpdater.invalidModUpdaterConfig(name);
}
} else {
ConfigObject obj = HardcodedData.getData(metadata.getId());
if (obj != null) {
update = checkForUpdate(metadata, obj, name);
}
}
if (update != null) {
updates.add(update);
}
}
return updates.toArray(new ModUpdate[0]);
}
static {
data.put("curseforge", new CurseForgeStrategy());
data.put("maven", new MavenStrategy());
}
}

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src/main/java/com/thebrokenrail/modupdater/util/ConfigObject.java Normal file
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package com.thebrokenrail.modupdater.util;
import net.fabricmc.loader.api.metadata.CustomValue;
import java.util.Map;
public interface ConfigObject {
String getString(String str) throws MissingValueException;
int getInt(String str) throws MissingValueException;
class ConfigObjectCustom implements ConfigObject {
private final CustomValue.CvObject obj;
public ConfigObjectCustom(CustomValue.CvObject obj) {
this.obj = obj;
}
@Override
public String getString(String str) throws MissingValueException {
if (obj.containsKey(str)) {
try {
return obj.get(str).getAsString();
} catch (ClassCastException e) {
throw new MissingValueException();
}
} else {
throw new MissingValueException();
}
}
@Override
public int getInt(String str) throws MissingValueException {
if (obj.containsKey(str)) {
try {
return obj.get(str).getAsNumber().intValue();
} catch (ClassCastException e) {
throw new MissingValueException();
}
} else {
throw new MissingValueException();
}
}
}
class ConfigObjectHardcoded implements ConfigObject {
private final Map<String, Object> map;
public ConfigObjectHardcoded(Map<String, Object> map) {
this.map = map;
}
@Override
public String getString(String str) throws MissingValueException {
if (map.containsKey(str)) {
try {
return (String) map.get(str);
} catch (ClassCastException e) {
throw new MissingValueException();
}
} else {
throw new MissingValueException();
}
}
@Override
public int getInt(String str) throws MissingValueException {
if (map.containsKey(str)) {
try {
return (Integer) map.get(str);
} catch (ClassCastException e) {
throw new MissingValueException();
}
} else {
throw new MissingValueException();
}
}
}
class MissingValueException extends Exception {
}
}

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src/main/java/com/thebrokenrail/modupdater/util/HardcodedData.java Normal file
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package com.thebrokenrail.modupdater.util;
import java.util.HashMap;
import java.util.Map;
public class HardcodedData {
public static ConfigObject getData(String modID) {
if ("fabric".equals(modID)) {
Map<String, Object> map = new HashMap<>();
map.put("strategy", "maven");
map.put("repository", "https://maven.fabricmc.net");
map.put("group", "net.fabricmc.fabric-api");
map.put("artifact", "fabric-api");
return new ConfigObject.ConfigObjectHardcoded(map);
} else {
return null;
}
}
}

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src/main/java/com/thebrokenrail/modupdater/util/ModUpdate.java Normal file
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package com.thebrokenrail.modupdater.util;
import net.fabricmc.loader.api.Version;
import net.fabricmc.loader.util.version.VersionParsingException;
public class ModUpdate {
public final String text;
public final String downloadURL;
private String toFriendlyString(String version) {
try {
return Version.parse(version).getFriendlyString();
} catch (VersionParsingException e) {
return version;
}
}
public ModUpdate(String oldVersion, String newVersion, String downloadURL, String name) {
this.text = name + ' ' + toFriendlyString(oldVersion) + " -> " + toFriendlyString(newVersion);
this.downloadURL = downloadURL;
}
}

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src/main/java/com/thebrokenrail/modupdater/util/ModUpdateStrategy.java Normal file
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package com.thebrokenrail.modupdater.util;
public interface ModUpdateStrategy {
ModUpdate checkForUpdate(ConfigObject obj, String oldVersion, String name);
}

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src/main/java/com/thebrokenrail/modupdater/util/Util.java Normal file
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package com.thebrokenrail.modupdater.util;
import com.mojang.bridge.game.GameVersion;
import net.fabricmc.loader.api.FabricLoader;
import net.fabricmc.loader.api.ModContainer;
import net.minecraft.MinecraftVersion;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.Optional;
public class Util {
public static String urlToString(String urlStr) {
try {
StringBuilder stringBuilder = new StringBuilder();
URL url = new URL(urlStr);
try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openConnection().getInputStream()))) {
String line;
while ((line = in.readLine()) != null) {
stringBuilder.append(line);
stringBuilder.append('\n');
}
}
return stringBuilder.toString();
} catch (IOException e) {
e.printStackTrace();
return "";
}
}
public static final String JAR_EXTENSION = ".jar";
public static String getVersionFromFileName(String fileName) {
int index = fileName.indexOf("-");
fileName = fileName.substring(index != -1 ? index + 1 : 0);
if (fileName.endsWith(JAR_EXTENSION)) {
fileName = fileName.substring(0, fileName.length() - JAR_EXTENSION.length());
}
return fileName;
}
private static String getMinecraftSemanticVersion() {
Optional<ModContainer> mod = FabricLoader.getInstance().getModContainer("minecraft");
if (mod.isPresent()) {
return mod.get().getMetadata().getVersion().getFriendlyString();
} else {
return "";
}
}
private static String minecraftVersionSemantic = null;
private static GameVersion minecraftVersion = null;
private static void updateMinecraftVersion() {
if (minecraftVersionSemantic == null) {
minecraftVersionSemantic = getMinecraftSemanticVersion();
}
if (minecraftVersion == null) {
minecraftVersion = MinecraftVersion.create();
}
}
private static boolean isVersionCompatible(String versionStr, char prefix) {
updateMinecraftVersion();
return versionStr.endsWith(prefix + minecraftVersionSemantic) || versionStr.endsWith(prefix + minecraftVersion.getReleaseTarget());
}
public static boolean isVersionCompatible(String versionStr) {
return isVersionCompatible(versionStr,'+') || isVersionCompatible(versionStr, '-');
}
public static GameVersion getMinecraftVersion() {
updateMinecraftVersion();
return minecraftVersion;
}
}

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{
"gui.modupdater.title": "Available Mod Updates",
"gui.modupdater.download": "Download"
}

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{
"schemaVersion": 1,
"id": "modupdater",
"version": "${version}",
"name": "ModUpdater",
"description": "A simple Minecraft mod updater.",
"authors": [
"TheBrokenRail"
],
"contact": {
"homepage": "https://thebrokenrail.com/",
"sources": "https://gitea.thebrokenrail.com/TheBrokenRail/ModUpdater.git",
"issues": "https://gitea.thebrokenrail.com/TheBrokenRail/ModUpdater/issues"
},
"icon": "assets/modupdater/icon.png",
"license": "MIT",
"environment": "*",
"entrypoints": {
"main": [
"com.thebrokenrail.modupdater.ModUpdater"
],
"modmenu": [
"com.thebrokenrail.modupdater.client.ModMenu"
]
},
"depends": {
"fabricloader": ">=0.7.4",
"fabric": "*",
"minecraft": "1.16.x"
}
}