org.simpleflatmapper.reflect.impl.InjectConstructorInstantiator Maven / Gradle / Ivy
package org.simpleflatmapper.reflect.impl;
import org.simpleflatmapper.reflect.instantiator.ExecutableInstantiatorDefinition;
import org.simpleflatmapper.reflect.InstantiatorDefinition;
import org.simpleflatmapper.reflect.Parameter;
import org.simpleflatmapper.reflect.Getter;
import org.simpleflatmapper.reflect.Instantiator;
import org.simpleflatmapper.util.ErrorHelper;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.Map;
public final class InjectConstructorInstantiator implements Instantiator {
private final Constructor constructor;
private final ArgumentBuilder argBuilder;
private final InstantiatorDefinition instantiatorDefinition;
@SuppressWarnings("unchecked")
public InjectConstructorInstantiator(ExecutableInstantiatorDefinition instantiatorDefinition, Map> injections) {
this.argBuilder = new ArgumentBuilder(instantiatorDefinition, injections);
this.constructor = (Constructor) instantiatorDefinition.getExecutable();
this.instantiatorDefinition = instantiatorDefinition;
}
@Override
public T newInstance(S s) throws Exception {
try {
return constructor.newInstance(argBuilder.build(s));
} catch(InvocationTargetException e) {
return ErrorHelper.rethrow(e.getCause());
}
}
@Override
public String toString() {
return "InjectConstructorInstantiator{" +
"instantiatorDefinition=" + instantiatorDefinition +
'}';
}
}