/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.rhq.plugin.adapter.api;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.domain.configuration.definition.PropertyDefinitionSimple;
import org.teiid.rhq.plugin.util.PluginConstants;
import org.jboss.metatype.api.values.MetaValue;
/**
* A base class for {@link PropertySimple} <-> ???MetaValue adapters.
*
*/
public abstract class AbstractPropertySimpleAdapter implements PropertyAdapter<PropertySimple, PropertyDefinitionSimple>
{
private final Log log = LogFactory.getLog(PluginConstants.DEFAULT_LOGGER_CATEGORY);
public PropertySimple convertToProperty(MetaValue metaValue, PropertyDefinitionSimple propDefSimple)
{
PropertySimple propSimple = new PropertySimple(propDefSimple.getName(), null);
populatePropertyFromMetaValue(propSimple, metaValue, propDefSimple);
return propSimple;
}
public void populateMetaValueFromProperty(PropertySimple propSimple, MetaValue metaValue,
PropertyDefinitionSimple propDefSimple)
{
if (metaValue == null)
throw new IllegalArgumentException("MetaValue to be populated is null.");
String value;
if (propSimple == null || propSimple.getStringValue() == null)
{
// Value is null (i.e. prop is unset) - figure out what to use as a default value.
String defaultValue = propDefSimple.getDefaultValue();
if (defaultValue != null)
{
log.debug("Simple property '" + propDefSimple.getName()
+ "' has a null value - setting inner value of corresponding ManagedProperty's MetaValue to plugin-specified default ('"
+ defaultValue + "')...");
value = defaultValue;
}
else
{
if (metaValue.getMetaType().isPrimitive())
// If it's a primitive, don't mess with the MetaValue - just let it keep whatever inner value it
// currently has.
return;
// It's a non-primitive - set its value to null. In most cases, this should tell the managed resource
// to use its internal default.
log.debug("Simple property '" + propDefSimple.getName()
+ "' has a null value - setting inner value of corresponding ManagedProperty's MetaValue to null...");
value = null;
}
}
else
{
value = propSimple.getStringValue();
}
setInnerValue(value, metaValue, propDefSimple);
}
protected abstract void setInnerValue(String propSimpleValue, MetaValue metaValue, PropertyDefinitionSimple propDefSimple);
}