/*
* 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.Field;
import java.security.PrivilegedAction;
/**
* Returns the declared field with the specified name or {@code null} if it does not exist.
*
* @author Emmanuel Bernard
*/
public final class GetDeclaredField implements PrivilegedAction<Field> {
private final Class<?> clazz;
private final String fieldName;
public static GetDeclaredField action(Class<?> clazz, String fieldName) {
return new GetDeclaredField( clazz, fieldName );
}
private GetDeclaredField(Class<?> clazz, String fieldName) {
this.clazz = clazz;
this.fieldName = fieldName;
}
@Override
public Field run() {
try {
final Field field = clazz.getDeclaredField( fieldName );
field.setAccessible( true );
return field;
}
catch (NoSuchFieldException e) {
return null;
}
}
}