/*
* 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.util;
import static org.jboss.as.logging.LoggingMessages.MESSAGES;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Filter;
import java.util.logging.Level;
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.CommonAttributes;
import org.jboss.dmr.ModelNode;
import org.jboss.logmanager.filters.AcceptAllFilter;
import org.jboss.logmanager.filters.AllFilter;
import org.jboss.logmanager.filters.AnyFilter;
import org.jboss.logmanager.filters.DenyAllFilter;
import org.jboss.logmanager.filters.InvertFilter;
import org.jboss.logmanager.filters.LevelChangingFilter;
import org.jboss.logmanager.filters.LevelFilter;
import org.jboss.logmanager.filters.LevelRangeFilter;
import org.jboss.logmanager.filters.RegexFilter;
import org.jboss.logmanager.filters.SubstituteFilter;
import org.jboss.logmanager.handlers.AsyncHandler.OverflowAction;
/**
* Date: 10.11.2011
*
* @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
*/
public final class ModelParser {
private static final Pattern SIZE_PATTERN = Pattern.compile("(\\d+)([kKmMgGbBtT])?");
private ModelParser() {
}
/**
* Parses the node and returns the filter.
*
* @param context the operation context
* @param node the node to parse.
*
* @return the filter.
*
* @throws OperationFailedException if the operation fails or is invalid.
*/
public static Filter parseFilter(final OperationContext context, final ModelNode node) throws OperationFailedException {
if (node.hasDefined(CommonAttributes.ACCEPT.getName())) {
return AcceptAllFilter.getInstance();
} else if (node.hasDefined(CommonAttributes.ALL.getName())) {
final List<Filter> filters = new ArrayList<Filter>();
for (ModelNode n : node.get(CommonAttributes.ALL.getName()).asList()) {
filters.add(parseFilter(context, n));
}
return new AllFilter(filters);
} else if (node.hasDefined(CommonAttributes.ANY.getName())) {
final List<Filter> filters = new ArrayList<Filter>();
for (ModelNode n : node.get(CommonAttributes.ANY.getName()).asList()) {
filters.add(parseFilter(context, n));
}
return new AnyFilter(filters);
} else if (node.hasDefined(CommonAttributes.CHANGE_LEVEL.getName())) {
return new LevelChangingFilter(parseLevel(CommonAttributes.CHANGE_LEVEL.resolveModelAttribute(context, node)));
} else if (node.hasDefined(CommonAttributes.DENY.getName())) {
return DenyAllFilter.getInstance();
} else if (node.hasDefined(CommonAttributes.LEVEL.getName())) {
return new LevelFilter(parseLevel(CommonAttributes.LEVEL.resolveModelAttribute(context, node)));
} else if (node.hasDefined(CommonAttributes.LEVEL_RANGE.getName())) {
final Level min = parseLevel(CommonAttributes.MIN_LEVEL.resolveModelAttribute(context, node));
final Level max = parseLevel(CommonAttributes.MAX_LEVEL.resolveModelAttribute(context, node));
final boolean minInclusive = CommonAttributes.MIN_INCLUSIVE.resolveModelAttribute(context, node).asBoolean();
final boolean maxInclusive = CommonAttributes.MAX_INCLUSIVE.resolveModelAttribute(context, node).asBoolean();
return new LevelRangeFilter(min, minInclusive, max, maxInclusive);
} else if (node.hasDefined(CommonAttributes.MATCH.getName())) {
return new RegexFilter(CommonAttributes.MATCH.resolveModelAttribute(context, node).asString());
} else if (node.hasDefined(CommonAttributes.NOT.getName())) {
return new InvertFilter(parseFilter(context, CommonAttributes.NOT.resolveModelAttribute(context, node)));
} else if (node.hasDefined(CommonAttributes.REPLACE.getName())) {
final String pattern = CommonAttributes.PATTERN.resolveModelAttribute(context, node).asString();
final String replacement = CommonAttributes.REPLACEMENT.resolveModelAttribute(context, node).asString();
final boolean replaceAll = CommonAttributes.REPLACE_ALL.resolveModelAttribute(context, node).asBoolean();
return new SubstituteFilter(pattern, replacement, replaceAll);
}
final String name = node.hasDefined(CommonAttributes.FILTER.getName()) ? node.get(CommonAttributes.FILTER.getName()).asString() : node.asString();
throw new OperationFailedException(new ModelNode().set(MESSAGES.invalidFilter(name)));
}
/**
* Parses the string value of the size and returns the long value.
*
* @param node the node that contains the value.
*
* @return the long value.
*
* @throws OperationFailedException if the size is invalid.
*/
public static long parseSize(final ModelNode node) throws OperationFailedException {
final Matcher matcher = SIZE_PATTERN.matcher(node.asString());
if (!matcher.matches()) {
throw new OperationFailedException(new ModelNode().set(MESSAGES.invalidSize(node.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 new OperationFailedException(new ModelNode().set(MESSAGES.invalidSize(node.asString())));
}
}
return qty;
}
/**
* Parses the value into a logging level.
*
* @param node the node that contains the value.
*
* @return the logging level.
*
* @throws OperationFailedException if the size is invalid.
*/
public static Level parseLevel(final ModelNode node) throws OperationFailedException {
try {
return Level.parse(node.asString());
} catch (IllegalArgumentException e) {
throw new OperationFailedException(new ModelNode().set(MESSAGES.invalidLogLevel(node.asString())));
}
}
/**
* Parses the string value into an {@link OverflowAction}.
*
* @param node the node that contains the value.
*
* @return the overflow action.
*
* @throws OperationFailedException if the size is invalid.
*/
public static OverflowAction parseOverflowAction(final ModelNode node) throws OperationFailedException {
try {
return OverflowAction.valueOf(node.asString());
} catch (IllegalArgumentException e) {
throw new OperationFailedException(new ModelNode().set(MESSAGES.invalidOverflowAction(node.asString())));
}
}
}