SpigotMC/LibsDisguises
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Change how I grab plugin.yml from jars to fix an error with weird classloading

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This commit is contained in:
libraryaddict 2020-04-17 14:08:21 +12:00
parent 00507a1194
commit 28a99d91ff
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GPG Key ID: 052E4FBCD257AEA4
3 changed files with 19 additions and 25 deletions
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2
src/main/java/me/libraryaddict/disguise/LibsDisguises.java
View File

@ -70,7 +70,7 @@ public class LibsDisguises extends JavaPlugin {
saveResource("disguises.yml", false);
}
YamlConfiguration pluginYml = ReflectionManager.getPluginYAML(getClassLoader());
YamlConfiguration pluginYml = ReflectionManager.getPluginYAML(getFile());
buildNumber = StringUtils.stripToNull(pluginYml.getString("build-number"));
getLogger().info("Discovered nms version: " + ReflectionManager.getBukkitVersion());

2
src/main/java/me/libraryaddict/disguise/utilities/LibsPremium.java
View File

@ -128,7 +128,7 @@ public class LibsPremium {
}
// Fetch the plugin.yml from the jar file
YamlConfiguration config = ReflectionManager.getPluginYAML(cl);
YamlConfiguration config = ReflectionManager.getPluginYAML(file);
// No checks for null config as the correct error will be thrown on access
Boolean premium;

36
src/main/java/me/libraryaddict/disguise/utilities/reflection/ReflectionManager.java
View File

@ -16,22 +16,17 @@ import me.libraryaddict.disguise.utilities.LibsPremium;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.lang.StringUtils;
import org.bukkit.*;
import org.bukkit.configuration.InvalidConfigurationException;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.*;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.InvalidDescriptionException;
import org.bukkit.potion.PotionEffect;
import org.bukkit.util.Vector;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.*;
import java.lang.reflect.*;
import java.net.URL;
import java.net.URLConnection;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
@ -39,6 +34,8 @@ import java.util.Map;
import java.util.Optional;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.stream.Collectors;
public class ReflectionManager {
@ -159,27 +156,24 @@ public class ReflectionManager {
return true;
}
public static YamlConfiguration getPluginYAML(ClassLoader loader) {
try {
URL url = loader.getResource("plugin.yml");
/**
* Copied from Bukkit
*/
public static YamlConfiguration getPluginYAML(File file) {
try (JarFile jar = new JarFile(file)) {
JarEntry entry = jar.getJarEntry("plugin.yml");
if (url == null) {
return null;
} else {
URLConnection connection = url.openConnection();
connection.setUseCaches(false);
try (InputStream stream = connection.getInputStream()) {
try (InputStream stream = jar.getInputStream(entry)) {
YamlConfiguration config = new YamlConfiguration();
config.loadFromString(new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8)).lines()
.collect(Collectors.joining("\n")));
String configString = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8)).lines()
.collect(Collectors.joining("\n"));
config.loadFromString(configString);
return config;
}
}
}
catch (IOException | InvalidConfigurationException ex) {
catch (Exception ex) {
ex.printStackTrace();
}