/*
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.controller.config.facade.xml.mapping.attributes.fromxml;
import java.util.List;
import org.opendaylight.controller.config.util.xml.DocumentedException;
import org.opendaylight.controller.config.util.xml.XmlElement;
public abstract class AbstractAttributeReadingStrategy implements AttributeReadingStrategy {
private final String nullableDefault;
public AbstractAttributeReadingStrategy(final String nullableDefault) {
this.nullableDefault = nullableDefault;
}
public String getNullableDefault() {
return nullableDefault;
}
@Override
public AttributeConfigElement readElement(final List<XmlElement> configNodes) throws DocumentedException {
if (configNodes.size() == 0){
return AttributeConfigElement.createNullValue(postprocessNullableDefault(nullableDefault));
}
return readElementHook(configNodes);
}
abstract AttributeConfigElement readElementHook(List<XmlElement> configNodes) throws DocumentedException;
protected Object postprocessNullableDefault(final String nullableDefault) {
return nullableDefault;
}
}