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set up dependency stuff

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dfsek
2021-02-20 22:31:13 -07:00
parent 76f2a3fbc4
commit 45dbe45fb4
9 changed files with 144 additions and 36 deletions
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57
common/src/main/java/com/dfsek/terra/registry/AddonRegistry.java
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@@ -1,19 +1,16 @@
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.addons.loading.pre.AddonPool;
import com.dfsek.terra.addons.loading.pre.PreLoadAddon;
import com.dfsek.terra.api.core.TerraPlugin;
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> {
private final TerraPlugin main;
@@ -30,67 +27,61 @@ public class AddonRegistry extends TerraRegistry<TerraAddon> {
@Override
public boolean add(String name, TerraAddon addon) {
if(contains(name)) throw new IllegalArgumentException("Addon " + name + " is already registered.");
addon.initialize();
main.getLogger().info("Loaded addon " + addon.getName() + " v" + addon.getVersion() + ", by " + addon.getAuthor());
return super.add(name, addon);
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
public boolean loadAll() {
boolean valid = true;
File addonsFolder = new File(main.getDataFolder(), "addons");
addonsFolder.mkdirs();
Map<String, Class<? extends TerraAddon>> addonIDs = new HashMap<>();
AddonPool pool = new AddonPool();
try {
for(File jar : addonsFolder.listFiles(file -> file.getName().endsWith(".jar"))) {
main.getLogger().info("Loading Addon(s) from: " + jar.getName());
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(Class<? extends TerraAddon> addonClass : AddonClassLoader.fetchAddonClasses(jar)) {
pool.add(new PreLoadAddon(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());
}
}
pool.buildAll();
for(PreLoadAddon addon : pool.getAddons()) {
Class<? extends TerraAddon> addonClass = addon.getAddonClass();
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;
TerraAddon loadedAddon;
try {
addon = constructor.newInstance();
loadedAddon = constructor.newInstance();
} catch(InstantiationException | IllegalAccessException | InvocationTargetException e) {
throw new AddonLoadException("Failed to instantiate addon: " + addonClass.getCanonicalName(), e);
throw new AddonLoadException("Failed to load addon \" + " + addon.getId() + "\": ", e);
}
try {
addChecked(addon.getName(), addon);
addChecked(loadedAddon.getName(), loadedAddon);
} catch(IllegalArgumentException e) {
throw new AddonLoadException("Duplicate addon ID; addon with ID " + addon.getName() + " is already loaded.");
valid = false;
main.getLogger().severe("Duplicate addon ID; addon with ID " + loadedAddon.getName() + " is already loaded.");
main.getLogger().severe("Existing addon class: " + get(loadedAddon.getName()).getClass().getCanonicalName());
main.getLogger().severe("Duplicate addon class: " + addonClass.getCanonicalName());
}
}
} catch(IOException | AddonLoadException e) {
} catch(AddonLoadException | IOException e) {
e.printStackTrace();
valid = false;
main.getLogger().severe("Addons failed to load. Please ensure all addons are properly installed.");
}
return valid;