/*
* 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.logging.resolvers;
import static org.jboss.as.logging.Logging.createOperationFailure;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.logging.logging.LoggingLogger;
import org.jboss.dmr.ModelNode;
/**
* Date: 15.12.2011
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
public class SizeResolver implements ModelNodeResolver<String> {
private static final Pattern SIZE_PATTERN = Pattern.compile("(\\d+)([kKmMgGbBtT])?");
public static final SizeResolver INSTANCE = new SizeResolver();
@Override
public String resolveValue(final OperationContext context, final ModelNode value) throws OperationFailedException {
return String.valueOf(parseSize(value));
}
public long parseSize(final ModelNode value) throws OperationFailedException {
final Matcher matcher = SIZE_PATTERN.matcher(value.asString());
if (!matcher.matches()) {
throw createOperationFailure(LoggingLogger.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 createOperationFailure(LoggingLogger.ROOT_LOGGER.invalidSize(value.asString()));
}
}
return qty;
}
}