com.blade.ioc.bean.FieldInjector Maven / Gradle / Ivy
package com.blade.ioc.bean;
import com.blade.ioc.Injector;
import com.blade.ioc.Ioc;
import java.lang.reflect.Field;
/**
* Bean Field Injector
*
* @author biezhi
* @since 1.5
*/
public class FieldInjector implements Injector {
private Ioc ioc;
private Field field;
public FieldInjector(Ioc ioc, Field field) {
this.ioc = ioc;
this.field = field;
}
@Override
public void injection(Object bean) {
try {
Class fieldType = field.getType();
Object value = ioc.getBean(fieldType);
if (value == null) {
throw new IllegalStateException("Can't inject bean: " + fieldType.getName() + " for field: " + field);
}
field.setAccessible(true);
field.set(bean, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}