/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
*/
package org.hibernate.validator.internal.util.privilegedactions;
import java.lang.reflect.Constructor;
import java.security.PrivilegedAction;
/**
* Returns the declared constructor with the specified parameter types or {@code null} if it does not exist.
*
* @author Emmanuel Bernard
*/
public final class GetDeclaredConstructor<T> implements PrivilegedAction<Constructor<T>> {
private final Class<T> clazz;
private final Class<?>[] params;
public static <T> GetDeclaredConstructor<T> action(Class<T> clazz, Class<?>... params) {
return new GetDeclaredConstructor<T>( clazz, params );
}
private GetDeclaredConstructor(Class<T> clazz, Class<?>... params) {
this.clazz = clazz;
this.params = params;
}
@Override
public Constructor<T> run() {
try {
return clazz.getDeclaredConstructor( params );
}
catch (NoSuchMethodException e) {
return null;
}
}
}