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fleshed out addon loading

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dfsek
2021-02-19 22:49:11 -07:00
parent 5e761c3e29
commit 76f2a3fbc4
20 changed files with 217 additions and 230 deletions
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108
common/src/main/java/com/dfsek/terra/registry/AddonRegistry.java
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@@ -1,6 +1,8 @@
package com.dfsek.terra.registry;
import com.dfsek.terra.addons.addon.TerraAddon;
import com.dfsek.terra.addons.annotations.Addon;
import com.dfsek.terra.addons.annotations.Depends;
import com.dfsek.terra.addons.loading.AddonClassLoader;
import com.dfsek.terra.addons.loading.AddonLoadException;
import com.dfsek.terra.api.core.TerraPlugin;
@@ -9,48 +11,88 @@ import java.io.File;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
public class AddonRegistry extends TerraRegistry<TerraAddon> {
public boolean loadAll(TerraPlugin main) {
private final TerraPlugin main;
public AddonRegistry(TerraPlugin main) {
this.main = main;
}
public AddonRegistry(TerraAddon addon, TerraPlugin main) {
this.main = main;
add(addon.getName(), addon);
}
@Override
public boolean add(String name, TerraAddon addon) {
addon.initialize();
main.getLogger().info("Loaded addon " + addon.getName() + " v" + addon.getVersion() + ", by " + addon.getAuthor());
return super.add(name, addon);
}
public boolean loadAll() {
boolean valid = true;
File addonsFolder = new File(main.getDataFolder(), "addons");
addonsFolder.mkdirs();
for(File jar : addonsFolder.listFiles(file -> file.getName().endsWith(".jar"))) {
try {
Map<String, Class<? extends TerraAddon>> addonIDs = new HashMap<>();
try {
for(File jar : addonsFolder.listFiles(file -> file.getName().endsWith(".jar"))) {
main.getLogger().info("Loading Addon(s) from: " + jar.getName());
load(jar, main);
} catch(IOException | AddonLoadException e) {
e.printStackTrace();
valid = false;
Set<Class<? extends TerraAddon>> addonClasses = AddonClassLoader.fetchAddonClasses(jar);
for(Class<? extends TerraAddon> addonClass : addonClasses) {
String id = addonClass.getAnnotation(Addon.class).value();
if(addonIDs.containsKey(id))
throw new AddonLoadException("Duplicate addon ID: " + id);
addonIDs.put(id, addonClass);
}
}
for(Map.Entry<String, Class<? extends TerraAddon>> entry : addonIDs.entrySet()) {
Class<? extends TerraAddon> addonClass = entry.getValue();
Depends dependencies = addonClass.getAnnotation(Depends.class);
if(dependencies != null) {
for(String dependency : dependencies.value()) {
if(!addonIDs.containsKey(dependency))
throw new AddonLoadException("Addon " + entry.getKey() + " specifies dependency " + dependency + ", which is not loaded. Please install " + dependency + " to use " + entry.getKey());
}
}
Constructor<? extends TerraAddon> constructor;
try {
constructor = addonClass.getConstructor();
} catch(NoSuchMethodException e) {
throw new AddonLoadException("Addon class has no valid constructor: " + addonClass.getCanonicalName(), e);
}
TerraAddon addon;
try {
addon = constructor.newInstance();
} catch(InstantiationException | IllegalAccessException | InvocationTargetException e) {
throw new AddonLoadException("Failed to instantiate addon: " + addonClass.getCanonicalName(), e);
}
try {
addChecked(addon.getName(), addon);
} catch(IllegalArgumentException e) {
throw new AddonLoadException("Duplicate addon ID; addon with ID " + addon.getName() + " is already loaded.");
}
}
} catch(IOException | AddonLoadException e) {
e.printStackTrace();
valid = false;
main.getLogger().severe("Addons failed to load. Please ensure all addons are properly installed.");
}
return valid;
}
public void load(File file, TerraPlugin main) throws AddonLoadException, IOException {
Set<Class<? extends TerraAddon>> addonClasses = AddonClassLoader.fetchAddonClasses(file);
for(Class<? extends TerraAddon> addonClass : addonClasses) {
Constructor<? extends TerraAddon> constructor;
try {
constructor = addonClass.getConstructor();
} catch(NoSuchMethodException e) {
throw new AddonLoadException("Addon class has no valid constructor: " + addonClass.getCanonicalName(), e);
}
TerraAddon addon;
try {
addon = constructor.newInstance();
} catch(InstantiationException | IllegalAccessException | InvocationTargetException e) {
throw new AddonLoadException("Failed to instantiate addon: " + addonClass.getCanonicalName(), e);
}
try {
addChecked(addon.getName(), addon);
} catch(IllegalArgumentException e) {
throw new AddonLoadException("Duplicate addon ID; addon with ID " + addon.getName() + " is already loaded.");
}
main.getLogger().info("Loaded addon " + addon.getName() + " v" + addon.getVersion() + ", by " + addon.getAuthor());
addon.initialize();
}
}
}

2
common/src/main/java/com/dfsek/terra/registry/TerraRegistry.java
View File

@@ -38,7 +38,7 @@ public abstract class TerraRegistry<T> implements TypeLoader<T> {
public void addChecked(String name, T value) {
if(objects.containsKey(name)) throw new IllegalArgumentException("Value is already defined in registry.");
objects.put(name, value);
add(name, value);
}
/**