80 lines
3.2 KiB
Java
80 lines
3.2 KiB
Java
package eu.mikroskeem.utils.bukkit.fakeplugin;
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import eu.mikroskeem.utils.reflect.Reflect;
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import lombok.Getter;
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import org.bukkit.Bukkit;
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import org.bukkit.plugin.Plugin;
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import org.bukkit.plugin.SimplePluginManager;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import static com.google.common.base.Preconditions.checkNotNull;
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public class FakePluginFactory {
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private final List<AbstractFakePlugin> fakePlugins = new ArrayList<>();
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private final Plugin plugin;
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private final List<Plugin> plugins;
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@Getter private final Map<String, Plugin> lookupNames;
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private final boolean isPaper;
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@SuppressWarnings("unchecked")
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public FakePluginFactory(Plugin parentPlugin){
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this.plugin = parentPlugin;
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Field lookupNamesField, pluginsField;
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if(plugin.getServer().getPluginManager().getClass() != SimplePluginManager.class){
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throw new RuntimeException("Server PluginManager is not SimplePluginManager");
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}
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isPaper = Reflect.getMethod(Bukkit.class, "getTPS") != null;
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try {
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pluginsField = checkNotNull(Reflect.getField(
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SimplePluginManager.class,
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"plugins"));
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lookupNamesField = checkNotNull(Reflect.getField(
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SimplePluginManager.class,
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"lookupNames"));
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plugins = (List<Plugin>) checkNotNull(Reflect.readField(pluginsField,
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plugin.getServer().getPluginManager()));
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lookupNames = (Map<String, Plugin>) checkNotNull(Reflect.readField(lookupNamesField,
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plugin.getServer().getPluginManager()));
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} catch (NullPointerException e){
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throw new RuntimeException("Failed to get 'plugins' and 'lookupNames' field!");
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}
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}
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@SuppressWarnings("unchecked")
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public synchronized <T extends AbstractFakePlugin> T newPlugin(String name, String version, String mainClass){
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T fakePlugin = (T) new AbstractFakePlugin(plugin, name, version, mainClass, null, null){};
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fakePlugins.add(fakePlugin);
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return fakePlugin;
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}
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public synchronized <T extends AbstractFakePlugin> void addPlugin(T plugin){
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/* Note: took me 5 hours to realize lookupNames map keys are lower case (on PaperSpigot)
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* Note 2: Took me another 5 hours to realize lower case lookupNames keys are *only* on PaperSpigot
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*/
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String lookupName = isPaper?plugin.getName().toLowerCase(Locale.ENGLISH):plugin.getName();
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lookupNames.put(lookupName, plugin);
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plugins.add(plugin);
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fakePlugins.add(plugin);
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}
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public synchronized <T extends AbstractFakePlugin> void removePlugin(T plugin){
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if (plugins.contains(plugin)) plugins.remove(plugin);
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if (lookupNames.containsKey(plugin.getName())) {
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String lookupName = isPaper?plugin.getName().toLowerCase(Locale.ENGLISH):plugin.getName();
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lookupNames.remove(lookupName);
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}
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if (fakePlugins.contains(plugin)) fakePlugins.remove(plugin);
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}
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/* Note: Not needed, SimplePluginManager handles plugin removal already
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synchronized void removeAllPlugins() {
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fakePlugins.forEach(this::removePlugin);
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}
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*/
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} |