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/*-
* ============LICENSE_START=======================================================
* ONAP - CCSDK
* ================================================================================
* Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import java.util.List;
import static java.lang.String.format;
import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
/**
* Representation of default implementation of XML listener.
*/
public class DefaultXmlListener implements XmlListener {
/**
* Serializer helper to convert to properties node.
*/
private SerializerHelper serializerHelper;
/**
* Creates an instance of default XML listener with its serializer helper.
*
* @param serializerHelper serializer helper
*/
public DefaultXmlListener(SerializerHelper serializerHelper) {
this.serializerHelper = serializerHelper;
}
@Override
public void enterXmlElement(Element element, XmlNodeType nodeType)
throws SvcLogicException {
switch (nodeType) {
case TEXT_NODE:
serializerHelper.addNode(element.getName(),
element.getNamespace().getURI(),
element.getText(), null, null);
break;
case OBJECT_NODE:
List cont = element.content();
if (cont != null && cont.size() == 2 &&
isValueNsForLeaf(cont, element)) {
return;
}
serializerHelper.addNode(element.getName(),
element.getNamespace().getURI(),
null, null, null);
break;
default:
throw new SvcLogicException(format(NODE_TYPE_ERR,
nodeType.toString()));
}
}
/**
* Returns true if element has value namespace and adds the node to
* property tree; false otherwise.
*
* @param cont content of the element
* @param element element
* @return true if element has value namespace; false otherwise
* @throws SvcLogicException
*/
private boolean isValueNsForLeaf(List cont, Element element)
throws SvcLogicException {
for (Object c : cont) {
if (c instanceof Namespace) {
String value = element.getText();
if (value != null) {
String[] val = value.split(":");
String valPrefix = val[0];
String actVal = val[1];
if (valPrefix != null && actVal != null &&
valPrefix.equals(((Namespace) c).getPrefix())) {
serializerHelper.addNode(
element.getName(),
element.getNamespace().getURI(),
actVal,
((Namespace) c).getURI(), null);
return true;
}
}
}
}
return false;
}
@Override
public void exitXmlElement(Element element) throws SvcLogicException {
serializerHelper.exitNode();
}
@Override
public SerializerHelper serializerHelper() {
return serializerHelper;
}
}
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