// Copyright 2007 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry.validator;
import org.apache.tapestry.Field;
import org.apache.tapestry.ValidationException;
import org.apache.tapestry.Validator;
import org.apache.tapestry.ioc.MessageFormatter;
/** Enforces a maximum integer value. */
public class Max implements Validator<Long, Number>
{
public Class<Long> getConstraintType()
{
return Long.class;
}
public String getMessageKey()
{
return "max-integer";
}
public Class<Number> getValueType()
{
return Number.class;
}
public boolean invokeIfBlank()
{
return false;
}
public void validate(Field field, Long constraintValue, MessageFormatter formatter, Number value)
throws ValidationException
{
if (value.longValue() > constraintValue)
throw new ValidationException(formatter.format(constraintValue, field.getLabel()));
}
}