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initialize manifest addons

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dfsek
2021-11-17 16:22:14 -07:00
parent 174b23c8ef
commit 172006f2f6
6 changed files with 10 additions and 5 deletions
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5
common/api/inject/src/main/java/com/dfsek/terra/api/inject/Injector.java
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@@ -2,6 +2,7 @@ package com.dfsek.terra.api.inject;
import com.dfsek.terra.api.inject.annotations.Inject;
import com.dfsek.terra.api.inject.exception.InjectionException;
import com.dfsek.terra.api.inject.impl.InjectorImpl;
/**
@@ -37,4 +38,8 @@ public interface Injector<T> {
* </ul>
*/
void inject(Object object) throws InjectionException;
static <T1> Injector<T1> get(T1 value) {
return new InjectorImpl<>(value);
}
}

56
common/api/inject/src/main/java/com/dfsek/terra/api/inject/impl/InjectorImpl.java Normal file
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@@ -0,0 +1,56 @@
package com.dfsek.terra.api.inject.impl;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.HashSet;
import java.util.Set;
import com.dfsek.terra.api.inject.Injector;
import com.dfsek.terra.api.inject.annotations.Inject;
import com.dfsek.terra.api.inject.exception.InjectionException;
import com.dfsek.terra.api.util.reflection.ReflectionUtil;
public class InjectorImpl<T> implements Injector<T> {
private final T value;
private final Set<Class<? extends T>> targets = new HashSet<>();
/**
* Instantiate an Injector with a value to inject
*
* @param value Value to inject
*/
public InjectorImpl(T value) {
this.value = value;
}
@Override
public void addExplicitTarget(Class<? extends T> target) {
targets.add(target);
}
@Override
public void inject(Object object) throws InjectionException {
for(Field field : ReflectionUtil.getFields(object.getClass())) {
Inject inject = field.getAnnotation(Inject.class);
if(inject == null) continue;
if(value.getClass().equals(field.getType()) || targets.contains(field.getType())) {
int mod = field.getModifiers();
if(Modifier.isFinal(mod)) {
throw new InjectionException("Attempted to inject final field: " + field);
}
if(Modifier.isStatic(mod)) {
throw new InjectionException("Attempted to inject static field: " + field);
}
field.setAccessible(true);
try {
field.set(object, value);
} catch(IllegalAccessException e) {
throw new InjectionException("Failed to inject field: " + field, e);
}
}
}
}
}