/*
* JBoss, Home of Professional Open Source.
* Copyright 2009, 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.ha.framework.server.managed;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.jboss.metatype.api.types.CollectionMetaType;
import org.jboss.metatype.api.types.CompositeMetaType;
import org.jboss.metatype.api.types.ImmutableCompositeMetaType;
import org.jboss.metatype.api.types.MapCompositeMetaType;
import org.jboss.metatype.api.types.MetaType;
import org.jboss.metatype.api.types.SimpleMetaType;
import org.jboss.metatype.api.values.CollectionValue;
import org.jboss.metatype.api.values.CollectionValueSupport;
import org.jboss.metatype.api.values.CompositeValue;
import org.jboss.metatype.api.values.CompositeValueSupport;
import org.jboss.metatype.api.values.MapCompositeValueSupport;
import org.jboss.metatype.api.values.MetaValue;
import org.jboss.metatype.api.values.SimpleValue;
import org.jboss.metatype.api.values.SimpleValueSupport;
import org.jboss.metatype.spi.values.MetaMapper;
import org.jgroups.conf.ProtocolData;
import org.jgroups.conf.ProtocolParameter;
/**
* MetaMapper for the ProtocolData[] description of a JGroups protocol stack
* configuration.
*
* @author Brian Stansberry
*
* @version $Revision: $
*/
public class ProtocolStackConfigMapper extends MetaMapper<ProtocolData[]>
{
public static final CompositeMetaType PROTOCOL_PARAMETER_TYPE;
public static final CompositeMetaType PROTOCOL_PARAMETER_MAP_TYPE;
public static final CompositeMetaType PROTOCOL_STACK_CONFIG_TYPE;
public static final CollectionMetaType TYPE;
static
{
String[] paramItemNames = {
"description",
"value"
};
String[] paramItemDescs = {
"description of the meaning of the attribute",
"the value of the configuration parameter"
};
MetaType[] paramItemTypes = {
SimpleMetaType.STRING,
SimpleMetaType.STRING
};
PROTOCOL_PARAMETER_TYPE = new ImmutableCompositeMetaType(ProtocolParameter.class.getName(),
"Protocol Parameters",
paramItemNames, paramItemDescs, paramItemTypes);
// PROTOCOL_PARAMETER_MAP_TYPE = new CollectionMetaType(Set.class.getName(), PROTOCOL_PARAMETER_TYPE);
PROTOCOL_PARAMETER_MAP_TYPE = new MapCompositeMetaType(PROTOCOL_PARAMETER_TYPE);
String[] configItemNames = {
"name",
"description",
"className",
"protocolParameters"
};
String[] configItemDescs = {
"the name of the protocol",
"description of the protocol",
"fully-qualified name of the protocol implementation class",
"set of configuration parameters for the protocol"
};
MetaType[] configItemTypes = {
SimpleMetaType.STRING,
SimpleMetaType.STRING,
SimpleMetaType.STRING,
PROTOCOL_PARAMETER_MAP_TYPE
};
PROTOCOL_STACK_CONFIG_TYPE = new ImmutableCompositeMetaType(ProtocolData.class.getName(),
"Protocol Stack Configuration",
configItemNames, configItemDescs, configItemTypes);
TYPE = new CollectionMetaType(List.class.getName(), PROTOCOL_STACK_CONFIG_TYPE);
}
@Override
public MetaType getMetaType()
{
return TYPE;
}
@Override
public Type mapToType()
{
return List.class;
}
@Override
public MetaValue createMetaValue(MetaType metaType, ProtocolData[] data)
{
MetaValue[] dataElements = new MetaValue[data.length];
for (int i = 0; i < data.length; i++)
{
Map<String, MetaValue> protocolValue = new HashMap<String, MetaValue>();
protocolValue.put("name", SimpleValueSupport.wrap(data[i].getProtocolName()));
protocolValue.put("description", SimpleValueSupport.wrap(data[i].getDescription()));
protocolValue.put("className", SimpleValueSupport.wrap(data[i].getClassName()));
ProtocolParameter[] params = data[i].getParametersAsArray();
Map<String, MetaValue> paramValues = new HashMap<String, MetaValue>();
// MetaValue[] paramElements = new MetaValue[params.length];
for (int j = 0; j < params.length; j++)
{
Map<String, MetaValue> paramValue = new HashMap<String, MetaValue>();
// paramValue.put("name", SimpleValueSupport.wrap(params[j].getName()));
// FIXME -- deal with description
// protocolValue.put("description", SimpleValueSupport.wrap(params[j].getDescription()));
// paramValue.put("description", null);
paramValue.put("value", SimpleValueSupport.wrap(params[j].getValue()));
paramValues.put(params[j].getName(), new CompositeValueSupport(PROTOCOL_PARAMETER_TYPE, paramValue));
}
protocolValue.put("protocolParameters", new MapCompositeValueSupport(paramValues, PROTOCOL_PARAMETER_MAP_TYPE));
dataElements[i] = new MapCompositeValueSupport(protocolValue, PROTOCOL_STACK_CONFIG_TYPE);
}
return new CollectionValueSupport(TYPE, dataElements);
}
@Override
public ProtocolData[] unwrapMetaValue(MetaValue metaValue)
{
if (metaValue == null)
{
return null;
}
if ((metaValue instanceof CollectionValue) == false)
{
throw new IllegalArgumentException(metaValue + " is not a " + CollectionValue.class.getSimpleName());
}
MetaValue[] elements = ((CollectionValue) metaValue).getElements();
ProtocolData[] protocolData = new ProtocolData[elements.length];
for (int i = 0; i < elements.length; i++)
{
CompositeValue protocolValue = (CompositeValue) elements[i];
String protName = (String) ((SimpleValue) protocolValue.get("name")).getValue();
String protDesc = (String) ((SimpleValue) protocolValue.get("description")).getValue();
String protClass = (String) ((SimpleValue) protocolValue.get("className")).getValue();
CompositeValue paramsValue = (CompositeValue) protocolValue.get("protocolParameters");
Set<String> paramNames = paramsValue.getMetaType().keySet();
ProtocolParameter[] protParams = new ProtocolParameter[paramNames.size()];
int j = 0;
for (String paramName : paramNames)
{
CompositeValue paramValue = (CompositeValue) paramsValue.get(paramName);
String paramVal = (String) ((SimpleValue) paramValue.get("value")).getValue();
protParams[j] = new ProtocolParameter(paramName, paramVal);
j++;
}
protocolData[i] = new ProtocolData(protName, protDesc, protClass, protParams);
}
return protocolData;
}
}