/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.capedwarf.server.api.validation;
import org.jboss.capedwarf.server.api.io.Blob;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
/**
* Blob size validator.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class BlobSizeValidator implements ConstraintValidator<BlobSize, Object> {
private int min;
private int max;
public void initialize(BlobSize bs) {
min = bs.min();
max = bs.max();
}
public boolean isValid(Object value, ConstraintValidatorContext context) {
if (value == null)
return true;
if (value instanceof Blob == false)
return false;
Blob blob = (Blob) value;
byte[] bytes = blob.getBytes();
int length = bytes.length;
return length >= min && length <= max;
}
}