/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., 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.as.domain.management.audit.validators;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.operations.validation.ModelTypeValidator;
import org.jboss.as.domain.management.logging.DomainManagementLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Date: 07.11.2011
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
public class SizeValidator extends ModelTypeValidator {
private static final Pattern SIZE_PATTERN = Pattern.compile("(\\d+)([kKmMgGbBtT])?");
public SizeValidator() {
this(false);
}
public SizeValidator(final boolean nullable) {
super(ModelType.STRING, nullable);
}
@Override
public void validateParameter(String parameterName, ModelNode value) throws OperationFailedException {
super.validateParameter(parameterName, value);
if (value.isDefined()) {
parseSize(value);
}
}
public static long parseSize(final ModelNode value) throws OperationFailedException {
final Matcher matcher = SIZE_PATTERN.matcher(value.asString());
if (!matcher.matches()) {
throw DomainManagementLogger.ROOT_LOGGER.invalidSize(value.asString());
}
long qty = Long.parseLong(matcher.group(1), 10);
final String chr = matcher.group(2);
if (chr != null) {
switch (chr.charAt(0)) {
case 'b':
case 'B':
break;
case 'k':
case 'K':
qty <<= 10L;
break;
case 'm':
case 'M':
qty <<= 20L;
break;
case 'g':
case 'G':
qty <<= 30L;
break;
case 't':
case 'T':
qty <<= 40L;
break;
default:
throw DomainManagementLogger.ROOT_LOGGER.invalidSize(value.asString());
}
}
return qty;
}
}