/*
* 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.security.PrivilegedAction;
import org.hibernate.validator.internal.util.logging.Log;
import org.hibernate.validator.internal.util.logging.LoggerFactory;
/**
* Execute instance creation as privileged action.
*
* @author Emmanuel Bernard
* @author Hardy Ferentschik
*/
public final class NewInstance<T> implements PrivilegedAction<T> {
private static final Log log = LoggerFactory.make();
private final Class<T> clazz;
private final String message;
public static <T> NewInstance<T> action(Class<T> clazz, String message) {
return new NewInstance<T>( clazz, message );
}
private NewInstance(Class<T> clazz, String message) {
this.clazz = clazz;
this.message = message;
}
@Override
public T run() {
try {
return clazz.newInstance();
}
catch (InstantiationException e) {
throw log.getUnableToInstantiateException( message, clazz, e );
}
catch (IllegalAccessException e) {
throw log.getUnableToInstantiateException( clazz, e );
}
catch (RuntimeException e) {
throw log.getUnableToInstantiateException( clazz, e );
}
}
}