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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 com.fasterxml.jackson.databind.JsonNode;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType;
import static java.lang.String.format;
import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.NODE_TYPE_ERR;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_LEAF_NODE;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.MULTI_INSTANCE_NODE;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_LEAF_NODE;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.SINGLE_INSTANCE_NODE;
/**
* Representation of default implementation of JSON listener.
*/
public class DefaultJsonListener implements JsonListener {
/**
* Serializer helper to convert to properties node.
*/
private SerializerHelper serializerHelper;
/**
* Name of the current JSON node.
*/
private String name;
/**
* Module name of the current JSON node.
*/
private String modName;
/**
* Value of the current JSON node.
*/
private String value;
/**
* Value namespace of the current JSON node.
*/
private String valueNs;
/**
* Creates an instance of default json listener with its serializer helper.
*
* @param serializerHelper serializer helper
*/
public DefaultJsonListener(SerializerHelper serializerHelper) {
this.serializerHelper = serializerHelper;
}
@Override
public void enterJsonNode(String nodeName, JsonNode node,
NodeType nodeType) throws SvcLogicException {
getNodeName(nodeName, false);
switch (nodeType) {
case SINGLE_INSTANCE_LEAF_NODE:
getNodeName(node.asText(), true);
serializerHelper.addNode(name, modName, value, valueNs,
SINGLE_INSTANCE_LEAF_NODE);
break;
case MULTI_INSTANCE_LEAF_NODE:
getNodeName(node.asText(), true);
serializerHelper.addNode(name, modName, value, valueNs,
MULTI_INSTANCE_LEAF_NODE);
break;
case SINGLE_INSTANCE_NODE:
serializerHelper.addNode(name, modName, null, null,
SINGLE_INSTANCE_NODE);
break;
case MULTI_INSTANCE_NODE:
serializerHelper.addNode(name, modName, null, null,
MULTI_INSTANCE_NODE);
break;
default:
throw new SvcLogicException(format(NODE_TYPE_ERR,
nodeType.toString()));
}
}
@Override
public void exitJsonNode(JsonNode node) throws SvcLogicException {
serializerHelper.exitNode();
}
@Override
public SerializerHelper serializerHelper() {
return serializerHelper;
}
/**
* Parses the abstract JSON name and fills the node name and node
* namespace or value and value namespace of the current JSON node .
*
* @param abstractName full name value
* @param isVal if it is for value parsing
*/
private void getNodeName(String abstractName, boolean isVal) {
String[] val = abstractName.split(":");
if (val.length == 2) {
if (isVal) {
valueNs = val[0];
value = val[1];
} else {
modName = val[0];
name = val[1];
}
} else {
if (isVal) {
value = val[0];
valueNs = null;
} else {
name = val[0];
modName = null;
}
}
}
}
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