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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.pnserializer;
import java.util.HashMap;
import java.util.Map;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaNode;
import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.DOT_REGEX;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.SLASH;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getChildSchemaNode;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getIndex;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getListName;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getNamespace;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getNodeType;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getParsedValue;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getProcessedPath;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getRevision;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.getValueNamespace;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.MdsalPropertiesNodeUtils.resolveName;
import static org.onap.ccsdk.sli.plugins.yangserializers.pnserializer.NodeType.ANY_XML_NODE;
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 mdsal based properties node serializer implementation.
*/
public class MdsalPropertiesNodeSerializer extends PropertiesNodeSerializer<SchemaNode, SchemaContext> {
private static final Logger log = LoggerFactory.getLogger(
MdsalPropertiesNodeSerializer.class);
private SchemaNode curSchema;
private PropertiesNode node;
/**
* Creates the properties node serializer.
*
* @param schemaNode schema node.
* @param schemaCtx schema context
* @param uri URL of the request
*/
public MdsalPropertiesNodeSerializer(SchemaNode schemaNode,
SchemaContext schemaCtx, String uri) {
super(schemaNode, schemaCtx, uri);
}
@Override
public PropertiesNode encode(Map<String, String> paramMap) throws SvcLogicException {
curSchema = schemaNode();
String nodeInUri[] = uri().split("\\/");
String lastNodeName = nodeInUri[nodeInUri.length - 1];
String rootUri = uri().replaceAll("\\/", "\\.");
node = createRootNode(lastNodeName, rootUri);
paramMap = convertToValidParam(paramMap);
updateModNameReq(paramMap, rootUri);
for (Map.Entry<String, String> entry : paramMap.entrySet()) {
String[] names = entry.getKey().split("\\.");
for (int i = 0; i < names.length; i++) {
if (i < nodeInUri.length) {
if (!(nodeInUri[i].equals(names[i]))) {
break;
}
} else {
createPropertyNode(i, names.length, names[i],
entry.getValue());
}
}
}
return node;
}
private void updateModNameReq(Map<String, String> paramMap,
String rootUri) {
String isReqStr = rootUri + "." + "isNonAppend";
String val = paramMap.get(isReqStr);
if (val != null && val.equals("true")) {
node.nonAppend(true);
}
}
/**
* Converts all the params in the svc logic context into a valid param by
* replacing the underscore in module name to colon at necessary places.
*
* @param paramMap list of invalid parameters
* @return list of partially valid parameters
*/
private Map<String, String> convertToValidParam(Map<String, String> paramMap) {
Map<String, String> fixedParams = new HashMap<>();
for(Map.Entry<String, String> entry : paramMap.entrySet()) {
String key = entry.getKey().replaceAll(DOT_REGEX, SLASH);
try {
SchemaPathHolder fixedUrl = getProcessedPath(key, schemaCtx());
String fixedUri = fixedUrl.getUri().replaceAll(
SLASH, DOT_REGEX);
fixedParams.put(fixedUri, entry.getValue());
} catch (IllegalArgumentException | RestconfDocumentedException
| NullPointerException e) {
log.info("Exception while processing properties by replacing " +
"underscore with colon. Process the properties as it is." + e);
fixedParams.put(entry.getKey(), entry.getValue());
}
}
return fixedParams;
}
@Override
public Map<String, String> decode(PropertiesNode propertiesNode)
throws SvcLogicException {
PropertiesNodeWalker walker = new DefaultPropertiesNodeWalker<>();
DefaultPropertiesNodeListener listener = new DefaultPropertiesNodeListener();
walker.walk(listener, propertiesNode);
return listener.params();
}
private RootNode createRootNode(String lastNodeName, String rootUri) {
Module m = SchemaContextUtil.findParentModule(schemaCtx(), curSchema);
Namespace ns = new Namespace(m.getName(), m.getNamespace(),
getRevision(m.getRevision()));
return new RootNode(lastNodeName, ns, schemaNode(), rootUri);
}
private void createPropertyNode(int index, int length, String name,
String value) throws SvcLogicException {
Namespace ns = getNamespace(getListName(name), schemaCtx(),
node, curSchema);
String localName = resolveName(ns, name);
SchemaNode schema = getChildSchemaNode(curSchema, localName, ns);
if (schema == null) {
return;
}
switch (getNodeType(index, length, name, schema)) {
case SINGLE_INSTANCE_NODE:
node = node.addChild(localName, ns,
SINGLE_INSTANCE_NODE, schema);
curSchema = schema;
break;
case MULTI_INSTANCE_NODE:
node = node.addChild(getIndex(name), localName, ns,
MULTI_INSTANCE_NODE, schema);
curSchema = schema;
break;
case SINGLE_INSTANCE_LEAF_NODE:
addLeafNode(value, SINGLE_INSTANCE_LEAF_NODE, localName,
ns, schema, name);
break;
case MULTI_INSTANCE_LEAF_NODE:
addLeafNode(value, MULTI_INSTANCE_LEAF_NODE, localName,
ns, schema, name);
break;
case ANY_XML_NODE:
node = node.addChild(localName, ns, ANY_XML_NODE,
value, null, schema);
node = node.endNode();
curSchema = ((SchemaNode) node.appInfo());
break;
default:
throw new SvcLogicException("Invalid node type");
}
}
/**
* Adds leaf property node to the current node.
*
* @param value value of the leaf node
* @param type single instance or multi instance leaf node
* @param localName name of the leaf node
* @param ns namespace of the leaf node
* @param schema schema of the leaf node
* @param name name of the leaf in properties
* @throws SvcLogicException exception while adding leaf node
*/
private void addLeafNode(String value, NodeType type,
String localName, Namespace ns,
SchemaNode schema, String name) throws SvcLogicException {
Namespace valNs = getValueNamespace(value, schemaCtx());
value = getParsedValue(valNs, value);
if (SINGLE_INSTANCE_LEAF_NODE == type) {
node = node.addChild(localName, ns, SINGLE_INSTANCE_LEAF_NODE,
value, valNs, schema);
} else {
node = node.addChild(getIndex(name), localName, ns,
MULTI_INSTANCE_LEAF_NODE, value,
valNs, schema);
}
node = node.endNode();
curSchema = ((SchemaNode) node.appInfo());
}
}
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