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-rw-r--r--cps-service/src/main/java/org/onap/cps/api/impl/CpsDataServiceImpl.java15
-rw-r--r--cps-service/src/main/java/org/onap/cps/utils/TimedYangParser.java61
-rw-r--r--cps-service/src/main/java/org/onap/cps/utils/XmlFileUtils.java6
-rw-r--r--cps-service/src/main/java/org/onap/cps/utils/YangParser.java70
-rw-r--r--cps-service/src/main/java/org/onap/cps/utils/YangParserHelper.java252
-rw-r--r--cps-service/src/main/java/org/onap/cps/utils/YangUtils.java265
6 files changed, 330 insertions, 339 deletions
diff --git a/cps-service/src/main/java/org/onap/cps/api/impl/CpsDataServiceImpl.java b/cps-service/src/main/java/org/onap/cps/api/impl/CpsDataServiceImpl.java
index e49714b66d..b3f42279df 100644
--- a/cps-service/src/main/java/org/onap/cps/api/impl/CpsDataServiceImpl.java
+++ b/cps-service/src/main/java/org/onap/cps/api/impl/CpsDataServiceImpl.java
@@ -48,9 +48,8 @@ import org.onap.cps.spi.model.DataNodeBuilder;
import org.onap.cps.spi.model.DeltaReport;
import org.onap.cps.spi.utils.CpsValidator;
import org.onap.cps.utils.ContentType;
-import org.onap.cps.utils.TimedYangParser;
+import org.onap.cps.utils.YangParser;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.springframework.stereotype.Service;
@Service
@@ -63,9 +62,8 @@ public class CpsDataServiceImpl implements CpsDataService {
private final CpsDataPersistenceService cpsDataPersistenceService;
private final CpsAnchorService cpsAnchorService;
- private final YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
private final CpsValidator cpsValidator;
- private final TimedYangParser timedYangParser;
+ private final YangParser yangParser;
private final CpsDeltaService cpsDeltaService;
@Override
@@ -309,10 +307,9 @@ public class CpsDataServiceImpl implements CpsDataService {
private Collection<DataNode> buildDataNodes(final Anchor anchor, final String parentNodeXpath,
final String nodeData, final ContentType contentType) {
- final SchemaContext schemaContext = getSchemaContext(anchor);
if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
- final ContainerNode containerNode = timedYangParser.parseData(contentType, nodeData, schemaContext);
+ final ContainerNode containerNode = yangParser.parseData(contentType, nodeData, anchor, "");
final Collection<DataNode> dataNodes = new DataNodeBuilder()
.withContainerNode(containerNode)
.buildCollection();
@@ -323,7 +320,7 @@ public class CpsDataServiceImpl implements CpsDataService {
}
final String normalizedParentNodeXpath = CpsPathUtil.getNormalizedXpath(parentNodeXpath);
final ContainerNode containerNode =
- timedYangParser.parseData(contentType, nodeData, schemaContext, normalizedParentNodeXpath);
+ yangParser.parseData(contentType, nodeData, anchor, normalizedParentNodeXpath);
final Collection<DataNode> dataNodes = new DataNodeBuilder()
.withParentNodeXpath(normalizedParentNodeXpath)
.withContainerNode(containerNode)
@@ -334,10 +331,6 @@ public class CpsDataServiceImpl implements CpsDataService {
return dataNodes;
}
- private SchemaContext getSchemaContext(final Anchor anchor) {
- return yangTextSchemaSourceSetCache
- .get(anchor.getDataspaceName(), anchor.getSchemaSetName()).getSchemaContext();
- }
private static boolean isRootNodeXpath(final String xpath) {
return ROOT_NODE_XPATH.equals(xpath);
diff --git a/cps-service/src/main/java/org/onap/cps/utils/TimedYangParser.java b/cps-service/src/main/java/org/onap/cps/utils/TimedYangParser.java
deleted file mode 100644
index 4640593dc5..0000000000
--- a/cps-service/src/main/java/org/onap/cps/utils/TimedYangParser.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * ============LICENSE_START=======================================================
- * Copyright (C) 2023 Nordix Foundation.
- * ================================================================================
- * 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.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.cps.utils;
-
-import io.micrometer.core.annotation.Timed;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.springframework.stereotype.Service;
-
-@Service
-public class TimedYangParser {
-
- /**
- * Parses data into Collection of NormalizedNode according to given schema context.
- *
- * @param nodeData data string
- * @param schemaContext schema context describing associated data model
- * @return the NormalizedNode object
- */
- @Timed(value = "cps.utils.yangparser.nodedata.parse",
- description = "Time taken to parse node data without a parent")
- public ContainerNode parseData(final ContentType contentType,
- final String nodeData,
- final SchemaContext schemaContext) {
- return YangUtils.parseData(contentType, nodeData, schemaContext);
- }
-
- /**
- * Parses data into NormalizedNode according to given schema context.
- *
- * @param nodeData data string
- * @param schemaContext schema context describing associated data model
- * @return the NormalizedNode object
- */
- @Timed(value = "cps.utils.yangparser.nodedata.with.parent.parse",
- description = "Time taken to parse node data with a parent")
- public ContainerNode parseData(final ContentType contentType,
- final String nodeData,
- final SchemaContext schemaContext,
- final String parentNodeXpath) {
- return YangUtils.parseData(contentType, nodeData, schemaContext, parentNodeXpath);
- }
-}
diff --git a/cps-service/src/main/java/org/onap/cps/utils/XmlFileUtils.java b/cps-service/src/main/java/org/onap/cps/utils/XmlFileUtils.java
index 98c7947e1c..7a6d0bb3d5 100644
--- a/cps-service/src/main/java/org/onap/cps/utils/XmlFileUtils.java
+++ b/cps-service/src/main/java/org/onap/cps/utils/XmlFileUtils.java
@@ -1,7 +1,7 @@
/*
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Deutsche Telekom AG
- * Modifications Copyright (C) 2023 Nordix Foundation.
+ * Modifications Copyright (C) 2023-2024 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -67,7 +67,7 @@ public class XmlFileUtils {
public static String prepareXmlContent(final String xmlContent, final SchemaContext schemaContext)
throws IOException, ParserConfigurationException, TransformerException, SAXException {
return addRootNodeToXmlContent(xmlContent, schemaContext.getModules().iterator().next().getName(),
- YangUtils.DATA_ROOT_NODE_NAMESPACE);
+ YangParserHelper.DATA_ROOT_NODE_NAMESPACE);
}
/**
@@ -106,7 +106,7 @@ public class XmlFileUtils {
documentBuilder.parse(new ByteArrayInputStream(xmlContent.getBytes(StandardCharsets.UTF_8)));
final Element root = document.getDocumentElement();
if (!root.getTagName().equals(rootNodeTagName)
- && !root.getTagName().equals(YangUtils.DATA_ROOT_NODE_TAG_NAME)) {
+ && !root.getTagName().equals(YangParserHelper.DATA_ROOT_NODE_TAG_NAME)) {
final Document documentWithRootNode = addDataRootNode(root, rootNodeTagName, namespace, rootNodeProperty);
documentWithRootNode.setXmlStandalone(true);
final Transformer transformer = getTransformerFactory().newTransformer();
diff --git a/cps-service/src/main/java/org/onap/cps/utils/YangParser.java b/cps-service/src/main/java/org/onap/cps/utils/YangParser.java
new file mode 100644
index 0000000000..6299ef39f4
--- /dev/null
+++ b/cps-service/src/main/java/org/onap/cps/utils/YangParser.java
@@ -0,0 +1,70 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2024 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.utils;
+
+import io.micrometer.core.annotation.Timed;
+import lombok.RequiredArgsConstructor;
+import org.onap.cps.api.impl.YangTextSchemaSourceSetCache;
+import org.onap.cps.spi.exceptions.DataValidationException;
+import org.onap.cps.spi.model.Anchor;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class YangParser {
+
+ private final YangParserHelper yangParserHelper;
+ private final YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
+
+ /**
+ * Parses data into (normalized) ContainerNode according to schema context for the given anchor.
+ *
+ * @param nodeData data string
+ * @param anchor the anchor for the node data
+ * @return the NormalizedNode object
+ */
+ @Timed(value = "cps.utils.yangparser.nodedata.with.parent.parse",
+ description = "Time taken to parse node data with a parent")
+ public ContainerNode parseData(final ContentType contentType,
+ final String nodeData,
+ final Anchor anchor,
+ final String parentNodeXpath) {
+ final SchemaContext schemaContext = getSchemaContext(anchor);
+ try {
+ return yangParserHelper.parseData(contentType, nodeData, schemaContext, parentNodeXpath);
+ } catch (final DataValidationException e) {
+ invalidateCache(anchor);
+ }
+ return yangParserHelper.parseData(contentType, nodeData, schemaContext, parentNodeXpath);
+ }
+
+ private SchemaContext getSchemaContext(final Anchor anchor) {
+ return yangTextSchemaSourceSetCache.get(anchor.getDataspaceName(),
+ anchor.getSchemaSetName()).getSchemaContext();
+ }
+
+ private void invalidateCache(final Anchor anchor) {
+ yangTextSchemaSourceSetCache.removeFromCache(anchor.getDataspaceName(), anchor.getSchemaSetName());
+ }
+
+}
diff --git a/cps-service/src/main/java/org/onap/cps/utils/YangParserHelper.java b/cps-service/src/main/java/org/onap/cps/utils/YangParserHelper.java
new file mode 100644
index 0000000000..5cadd29368
--- /dev/null
+++ b/cps-service/src/main/java/org/onap/cps/utils/YangParserHelper.java
@@ -0,0 +1,252 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2024 Nordix Foundation
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.utils;
+
+import com.google.gson.JsonSyntaxException;
+import com.google.gson.stream.JsonReader;
+import java.io.IOException;
+import java.io.StringReader;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.transform.TransformerException;
+import lombok.RequiredArgsConstructor;
+import org.onap.cps.cpspath.parser.CpsPathUtil;
+import org.onap.cps.cpspath.parser.PathParsingException;
+import org.onap.cps.spi.exceptions.DataValidationException;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
+import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.builder.DataContainerNodeBuilder;
+import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactory;
+import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
+import org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream;
+import org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream;
+import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
+import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.api.EffectiveStatementInference;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
+import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
+import org.springframework.stereotype.Service;
+import org.xml.sax.SAXException;
+
+@Service
+@RequiredArgsConstructor
+public class YangParserHelper {
+
+ static final String DATA_ROOT_NODE_NAMESPACE = "urn:ietf:params:xml:ns:netconf:base:1.0";
+ static final String DATA_ROOT_NODE_TAG_NAME = "data";
+
+ /**
+ * Parses data into NormalizedNode according to given schema context.
+ *
+ * @param contentType the type of the node data (json or xml)
+ * @param nodeData data string
+ * @param schemaContext schema context describing associated data model
+ * @param parentNodeXpath the xpath referencing the parent node current data fragment belong to
+ * @return the NormalizedNode object
+ */
+ public ContainerNode parseData(final ContentType contentType,
+ final String nodeData,
+ final SchemaContext schemaContext,
+ final String parentNodeXpath) {
+ if (contentType == ContentType.JSON) {
+ return parseJsonData(nodeData, schemaContext, parentNodeXpath);
+ }
+ return parseXmlData(nodeData, schemaContext, parentNodeXpath);
+ }
+
+ private ContainerNode parseJsonData(final String jsonData,
+ final SchemaContext schemaContext,
+ final String parentNodeXpath) {
+ final JSONCodecFactory jsonCodecFactory = JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02
+ .getShared((EffectiveModelContext) schemaContext);
+ final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> dataContainerNodeBuilder =
+ Builders.containerBuilder()
+ .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(
+ QName.create(DATA_ROOT_NODE_NAMESPACE, DATA_ROOT_NODE_TAG_NAME)
+ ));
+ final NormalizedNodeStreamWriter normalizedNodeStreamWriter = ImmutableNormalizedNodeStreamWriter
+ .from(dataContainerNodeBuilder);
+ final JsonReader jsonReader = new JsonReader(new StringReader(jsonData));
+ final JsonParserStream jsonParserStream;
+
+ if (parentNodeXpath.isEmpty()) {
+ jsonParserStream = JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory);
+ } else {
+ final Collection<QName> dataSchemaNodeIdentifiers
+ = getDataSchemaNodeIdentifiers(schemaContext, parentNodeXpath);
+ final EffectiveModelContext effectiveModelContext = ((EffectiveModelContext) schemaContext);
+ final EffectiveStatementInference effectiveStatementInference =
+ SchemaInferenceStack.of(effectiveModelContext,
+ SchemaNodeIdentifier.Absolute.of(dataSchemaNodeIdentifiers)).toInference();
+ jsonParserStream =
+ JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory, effectiveStatementInference);
+ }
+
+ try (jsonParserStream) {
+ jsonParserStream.parse(jsonReader);
+ } catch (final IOException | JsonSyntaxException exception) {
+ throw new DataValidationException(
+ "Failed to parse json data: " + jsonData, exception.getMessage(), exception);
+ } catch (final IllegalStateException | IllegalArgumentException exception) {
+ throw new DataValidationException(
+ "Failed to parse json data. Unsupported xpath or json data:" + jsonData, exception
+ .getMessage(), exception);
+ }
+ return dataContainerNodeBuilder.build();
+ }
+
+ private ContainerNode parseXmlData(final String xmlData,
+ final SchemaContext schemaContext,
+ final String parentNodeXpath) {
+ final XMLInputFactory factory = XMLInputFactory.newInstance();
+ factory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
+ final NormalizedNodeResult normalizedNodeResult = new NormalizedNodeResult();
+ final NormalizedNodeStreamWriter normalizedNodeStreamWriter = ImmutableNormalizedNodeStreamWriter
+ .from(normalizedNodeResult);
+
+ final EffectiveModelContext effectiveModelContext = (EffectiveModelContext) schemaContext;
+ final XmlParserStream xmlParserStream;
+ final String preparedXmlContent;
+ try {
+ if (parentNodeXpath.isEmpty()) {
+ preparedXmlContent = XmlFileUtils.prepareXmlContent(xmlData, schemaContext);
+ xmlParserStream = XmlParserStream.create(normalizedNodeStreamWriter, effectiveModelContext);
+ } else {
+ final DataSchemaNode parentSchemaNode =
+ (DataSchemaNode) getDataSchemaNodeAndIdentifiersByXpath(parentNodeXpath, schemaContext)
+ .get("dataSchemaNode");
+ final Collection<QName> dataSchemaNodeIdentifiers =
+ getDataSchemaNodeIdentifiers(schemaContext, parentNodeXpath);
+ final EffectiveStatementInference effectiveStatementInference =
+ SchemaInferenceStack.of(effectiveModelContext,
+ SchemaNodeIdentifier.Absolute.of(dataSchemaNodeIdentifiers)).toInference();
+ preparedXmlContent = XmlFileUtils.prepareXmlContent(xmlData, parentSchemaNode, parentNodeXpath);
+ xmlParserStream = XmlParserStream.create(normalizedNodeStreamWriter, effectiveStatementInference);
+ }
+
+ try (xmlParserStream;
+ StringReader stringReader = new StringReader(preparedXmlContent)) {
+ final XMLStreamReader xmlStreamReader = factory.createXMLStreamReader(stringReader);
+ xmlParserStream.parse(xmlStreamReader);
+ }
+ } catch (final XMLStreamException | URISyntaxException | IOException | SAXException | NullPointerException
+ | ParserConfigurationException | TransformerException exception) {
+ throw new DataValidationException(
+ "Failed to parse xml data: " + xmlData, exception.getMessage(), exception);
+ }
+ final DataContainerChild dataContainerChild =
+ (DataContainerChild) getFirstChildXmlRoot(normalizedNodeResult.getResult());
+ final YangInstanceIdentifier.NodeIdentifier nodeIdentifier =
+ new YangInstanceIdentifier.NodeIdentifier(dataContainerChild.getIdentifier().getNodeType());
+ return Builders.containerBuilder().withChild(dataContainerChild).withNodeIdentifier(nodeIdentifier).build();
+ }
+
+ private static Collection<QName> getDataSchemaNodeIdentifiers(final SchemaContext schemaContext,
+ final String parentNodeXpath) {
+ return (Collection<QName>) getDataSchemaNodeAndIdentifiersByXpath(parentNodeXpath, schemaContext)
+ .get("dataSchemaNodeIdentifiers");
+ }
+
+ private static Map<String, Object> getDataSchemaNodeAndIdentifiersByXpath(final String parentNodeXpath,
+ final SchemaContext schemaContext) {
+ final String[] xpathNodeIdSequence = xpathToNodeIdSequence(parentNodeXpath);
+ return findDataSchemaNodeAndIdentifiersByXpathNodeIdSequence(xpathNodeIdSequence, schemaContext.getChildNodes(),
+ new ArrayList<>());
+ }
+
+ private static String[] xpathToNodeIdSequence(final String xpath) {
+ try {
+ return CpsPathUtil.getXpathNodeIdSequence(xpath);
+ } catch (final PathParsingException pathParsingException) {
+ throw new DataValidationException(pathParsingException.getMessage(), pathParsingException.getDetails(),
+ pathParsingException);
+ }
+ }
+
+ private static Map<String, Object> findDataSchemaNodeAndIdentifiersByXpathNodeIdSequence(
+ final String[] xpathNodeIdSequence,
+ final Collection<? extends DataSchemaNode> dataSchemaNodes,
+ final Collection<QName> dataSchemaNodeIdentifiers) {
+ final String currentXpathNodeId = xpathNodeIdSequence[0];
+ final DataSchemaNode currentDataSchemaNode = dataSchemaNodes.stream()
+ .filter(dataSchemaNode -> currentXpathNodeId.equals(dataSchemaNode.getQName().getLocalName()))
+ .findFirst().orElseThrow(() -> schemaNodeNotFoundException(currentXpathNodeId));
+ dataSchemaNodeIdentifiers.add(currentDataSchemaNode.getQName());
+ if (xpathNodeIdSequence.length <= 1) {
+ final Map<String, Object> dataSchemaNodeAndIdentifiers =
+ new HashMap<>();
+ dataSchemaNodeAndIdentifiers.put("dataSchemaNode", currentDataSchemaNode);
+ dataSchemaNodeAndIdentifiers.put("dataSchemaNodeIdentifiers", dataSchemaNodeIdentifiers);
+ return dataSchemaNodeAndIdentifiers;
+ }
+ if (currentDataSchemaNode instanceof DataNodeContainer) {
+ return findDataSchemaNodeAndIdentifiersByXpathNodeIdSequence(
+ getNextLevelXpathNodeIdSequence(xpathNodeIdSequence),
+ ((DataNodeContainer) currentDataSchemaNode).getChildNodes(),
+ dataSchemaNodeIdentifiers);
+ }
+ throw schemaNodeNotFoundException(xpathNodeIdSequence[1]);
+ }
+
+ private static String[] getNextLevelXpathNodeIdSequence(final String[] xpathNodeIdSequence) {
+ final String[] nextXpathNodeIdSequence = new String[xpathNodeIdSequence.length - 1];
+ System.arraycopy(xpathNodeIdSequence, 1, nextXpathNodeIdSequence, 0, nextXpathNodeIdSequence.length);
+ return nextXpathNodeIdSequence;
+ }
+
+ private static DataValidationException schemaNodeNotFoundException(final String schemaNodeIdentifier) {
+ return new DataValidationException("Invalid xpath.",
+ String.format("No schema node was found for xpath identifier '%s'.", schemaNodeIdentifier));
+ }
+
+ private static NormalizedNode getFirstChildXmlRoot(final NormalizedNode parent) {
+ final String rootNodeType = parent.getIdentifier().getNodeType().getLocalName();
+ final Collection<DataContainerChild> children = (Collection<DataContainerChild>) parent.body();
+ final Iterator<DataContainerChild> iterator = children.iterator();
+ NormalizedNode child = null;
+ while (iterator.hasNext()) {
+ child = iterator.next();
+ if (!child.getIdentifier().getNodeType().getLocalName().equals(rootNodeType)
+ && !(child instanceof LeafNode)) {
+ return child;
+ }
+ }
+ return getFirstChildXmlRoot(child);
+ }
+}
diff --git a/cps-service/src/main/java/org/onap/cps/utils/YangUtils.java b/cps-service/src/main/java/org/onap/cps/utils/YangUtils.java
index f00f9442ce..96841bf5c8 100644
--- a/cps-service/src/main/java/org/onap/cps/utils/YangUtils.java
+++ b/cps-service/src/main/java/org/onap/cps/utils/YangUtils.java
@@ -1,6 +1,6 @@
/*
* ============LICENSE_START=======================================================
- * Copyright (C) 2020-2023 Nordix Foundation
+ * Copyright (C) 2020-2024 Nordix Foundation
* Modifications Copyright (C) 2021 Bell Canada.
* Modifications Copyright (C) 2021 Pantheon.tech
* Modifications Copyright (C) 2022 TechMahindra Ltd.
@@ -24,120 +24,16 @@
package org.onap.cps.utils;
-import com.google.gson.JsonSyntaxException;
-import com.google.gson.stream.JsonReader;
-import java.io.IOException;
-import java.io.StringReader;
-import java.net.URISyntaxException;
-import java.util.ArrayList;
-import java.util.Collection;
import java.util.Collections;
-import java.util.HashMap;
-import java.util.Iterator;
import java.util.List;
-import java.util.Map;
-import java.util.Optional;
import java.util.stream.Collectors;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.stream.XMLInputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamReader;
-import javax.xml.transform.TransformerException;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.onap.cps.cpspath.parser.CpsPathUtil;
-import org.onap.cps.cpspath.parser.PathParsingException;
-import org.onap.cps.spi.exceptions.DataValidationException;
-import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
-import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.builder.DataContainerNodeBuilder;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactory;
-import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
-import org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream;
-import org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream;
-import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
-import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
-import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
-import org.opendaylight.yangtools.yang.model.api.EffectiveStatementInference;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
-import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
-import org.xml.sax.SAXException;
-@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class YangUtils {
- public static final String DATA_ROOT_NODE_NAMESPACE = "urn:ietf:params:xml:ns:netconf:base:1.0";
- public static final String DATA_ROOT_NODE_TAG_NAME = "data";
-
- /**
- * Parses data into Collection of NormalizedNode according to given schema context.
- *
- * @param nodeData data string
- * @param schemaContext schema context describing associated data model
- * @return the NormalizedNode object
- */
- static ContainerNode parseData(final ContentType contentType,
- final String nodeData,
- final SchemaContext schemaContext) {
- if (contentType == ContentType.JSON) {
- return parseJsonDataWithOptionalParent(nodeData, schemaContext, Optional.empty());
- }
- return parseXmlDataWithOptionalParent(nodeData, schemaContext, Optional.empty());
- }
-
- /**
- * Parses data into NormalizedNode according to given schema context.
- *
- * @param nodeData data string
- * @param schemaContext schema context describing associated data model
- * @return the NormalizedNode object
- */
- static ContainerNode parseData(final ContentType contentType,
- final String nodeData,
- final SchemaContext schemaContext,
- final String parentNodeXpath) {
- if (contentType == ContentType.JSON) {
- return parseJsonDataWithOptionalParent(nodeData, schemaContext, Optional.of(parentNodeXpath));
- }
- return parseXmlDataWithOptionalParent(nodeData, schemaContext, Optional.of(parentNodeXpath));
- }
-
- /**
- * Parses data into Collection of NormalizedNode according to given schema context.
- *
- * @param jsonData json data as string
- * @param schemaContext schema context describing associated data model
- * @return the Collection of NormalizedNode object
- */
- public static ContainerNode parseJsonData(final String jsonData, final SchemaContext schemaContext) {
- return parseJsonDataWithOptionalParent(jsonData, schemaContext, Optional.empty());
- }
-
- /**
- * Parses jsonData into Collection of NormalizedNode according to given schema context.
- *
- * @param jsonData json data fragment as string
- * @param schemaContext schema context describing associated data model
- * @param parentNodeXpath the xpath referencing the parent node current data fragment belong to
- * @return the NormalizedNode object
- */
- public static ContainerNode parseJsonData(final String jsonData,
- final SchemaContext schemaContext,
- final String parentNodeXpath) {
- return parseJsonDataWithOptionalParent(jsonData, schemaContext, Optional.of(parentNodeXpath));
- }
-
/**
* Create an xpath form a Yang Tools NodeIdentifier (i.e. PathArgument).
*
@@ -155,99 +51,6 @@ public class YangUtils {
return xpathBuilder.toString();
}
- private static ContainerNode parseJsonDataWithOptionalParent(final String jsonData,
- final SchemaContext schemaContext,
- final Optional<String> parentNodeXpath) {
- final JSONCodecFactory jsonCodecFactory = JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02
- .getShared((EffectiveModelContext) schemaContext);
- final DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> dataContainerNodeBuilder =
- Builders.containerBuilder()
- .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(
- QName.create(DATA_ROOT_NODE_NAMESPACE, DATA_ROOT_NODE_TAG_NAME)
- ));
- final NormalizedNodeStreamWriter normalizedNodeStreamWriter = ImmutableNormalizedNodeStreamWriter
- .from(dataContainerNodeBuilder);
- final JsonReader jsonReader = new JsonReader(new StringReader(jsonData));
- final JsonParserStream jsonParserStream;
-
- if (parentNodeXpath.isPresent()) {
- final Collection<QName> dataSchemaNodeIdentifiers
- = getDataSchemaNodeIdentifiers(schemaContext, parentNodeXpath.get());
- final EffectiveModelContext effectiveModelContext = ((EffectiveModelContext) schemaContext);
- final EffectiveStatementInference effectiveStatementInference =
- SchemaInferenceStack.of(effectiveModelContext,
- SchemaNodeIdentifier.Absolute.of(dataSchemaNodeIdentifiers)).toInference();
- jsonParserStream =
- JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory, effectiveStatementInference);
- } else {
- jsonParserStream = JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory);
- }
-
- try (jsonParserStream) {
- jsonParserStream.parse(jsonReader);
- } catch (final IOException | JsonSyntaxException exception) {
- throw new DataValidationException(
- "Failed to parse json data: " + jsonData, exception.getMessage(), exception);
- } catch (final IllegalStateException | IllegalArgumentException exception) {
- throw new DataValidationException(
- "Failed to parse json data. Unsupported xpath or json data:" + jsonData, exception
- .getMessage(), exception);
- }
- return dataContainerNodeBuilder.build();
- }
-
- private static ContainerNode parseXmlDataWithOptionalParent(final String xmlData,
- final SchemaContext schemaContext,
- final Optional<String> parentNodeXpath) {
- final XMLInputFactory factory = XMLInputFactory.newInstance();
- factory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
- final NormalizedNodeResult normalizedNodeResult = new NormalizedNodeResult();
- final NormalizedNodeStreamWriter normalizedNodeStreamWriter = ImmutableNormalizedNodeStreamWriter
- .from(normalizedNodeResult);
-
- final EffectiveModelContext effectiveModelContext = (EffectiveModelContext) schemaContext;
- final XmlParserStream xmlParserStream;
- final String preparedXmlContent;
- try {
- if (parentNodeXpath.isPresent()) {
- final DataSchemaNode parentSchemaNode =
- (DataSchemaNode) getDataSchemaNodeAndIdentifiersByXpath(parentNodeXpath.get(), schemaContext)
- .get("dataSchemaNode");
- final Collection<QName> dataSchemaNodeIdentifiers =
- getDataSchemaNodeIdentifiers(schemaContext, parentNodeXpath.get());
- final EffectiveStatementInference effectiveStatementInference =
- SchemaInferenceStack.of(effectiveModelContext,
- SchemaNodeIdentifier.Absolute.of(dataSchemaNodeIdentifiers)).toInference();
- preparedXmlContent = XmlFileUtils.prepareXmlContent(xmlData, parentSchemaNode, parentNodeXpath.get());
- xmlParserStream = XmlParserStream.create(normalizedNodeStreamWriter, effectiveStatementInference);
- } else {
- preparedXmlContent = XmlFileUtils.prepareXmlContent(xmlData, schemaContext);
- xmlParserStream = XmlParserStream.create(normalizedNodeStreamWriter, effectiveModelContext);
- }
-
- try (xmlParserStream;
- StringReader stringReader = new StringReader(preparedXmlContent)) {
- final XMLStreamReader xmlStreamReader = factory.createXMLStreamReader(stringReader);
- xmlParserStream.parse(xmlStreamReader);
- }
- } catch (final XMLStreamException | URISyntaxException | IOException | SAXException | NullPointerException
- | ParserConfigurationException | TransformerException exception) {
- throw new DataValidationException(
- "Failed to parse xml data: " + xmlData, exception.getMessage(), exception);
- }
- final DataContainerChild dataContainerChild =
- (DataContainerChild) getFirstChildXmlRoot(normalizedNodeResult.getResult());
- final YangInstanceIdentifier.NodeIdentifier nodeIdentifier =
- new YangInstanceIdentifier.NodeIdentifier(dataContainerChild.getIdentifier().getNodeType());
- return Builders.containerBuilder().withChild(dataContainerChild).withNodeIdentifier(nodeIdentifier).build();
- }
-
- private static Collection<QName> getDataSchemaNodeIdentifiers(final SchemaContext schemaContext,
- final String parentNodeXpath) {
- return (Collection<QName>) getDataSchemaNodeAndIdentifiersByXpath(parentNodeXpath, schemaContext)
- .get("dataSchemaNodeIdentifiers");
- }
-
private static String getKeyAttributesStatement(
final YangInstanceIdentifier.NodeIdentifierWithPredicates nodeIdentifier) {
final List<String> keyAttributes = nodeIdentifier.entrySet().stream().map(
@@ -266,70 +69,4 @@ public class YangUtils {
}
}
- private static Map<String, Object> getDataSchemaNodeAndIdentifiersByXpath(final String parentNodeXpath,
- final SchemaContext schemaContext) {
- final String[] xpathNodeIdSequence = xpathToNodeIdSequence(parentNodeXpath);
- return findDataSchemaNodeAndIdentifiersByXpathNodeIdSequence(xpathNodeIdSequence, schemaContext.getChildNodes(),
- new ArrayList<>());
- }
-
- private static String[] xpathToNodeIdSequence(final String xpath) {
- try {
- return CpsPathUtil.getXpathNodeIdSequence(xpath);
- } catch (final PathParsingException pathParsingException) {
- throw new DataValidationException(pathParsingException.getMessage(), pathParsingException.getDetails(),
- pathParsingException);
- }
- }
-
- private static Map<String, Object> findDataSchemaNodeAndIdentifiersByXpathNodeIdSequence(
- final String[] xpathNodeIdSequence,
- final Collection<? extends DataSchemaNode> dataSchemaNodes,
- final Collection<QName> dataSchemaNodeIdentifiers) {
- final String currentXpathNodeId = xpathNodeIdSequence[0];
- final DataSchemaNode currentDataSchemaNode = dataSchemaNodes.stream()
- .filter(dataSchemaNode -> currentXpathNodeId.equals(dataSchemaNode.getQName().getLocalName()))
- .findFirst().orElseThrow(() -> schemaNodeNotFoundException(currentXpathNodeId));
- dataSchemaNodeIdentifiers.add(currentDataSchemaNode.getQName());
- if (xpathNodeIdSequence.length <= 1) {
- final Map<String, Object> dataSchemaNodeAndIdentifiers =
- new HashMap<>();
- dataSchemaNodeAndIdentifiers.put("dataSchemaNode", currentDataSchemaNode);
- dataSchemaNodeAndIdentifiers.put("dataSchemaNodeIdentifiers", dataSchemaNodeIdentifiers);
- return dataSchemaNodeAndIdentifiers;
- }
- if (currentDataSchemaNode instanceof DataNodeContainer) {
- return findDataSchemaNodeAndIdentifiersByXpathNodeIdSequence(
- getNextLevelXpathNodeIdSequence(xpathNodeIdSequence),
- ((DataNodeContainer) currentDataSchemaNode).getChildNodes(),
- dataSchemaNodeIdentifiers);
- }
- throw schemaNodeNotFoundException(xpathNodeIdSequence[1]);
- }
-
- private static String[] getNextLevelXpathNodeIdSequence(final String[] xpathNodeIdSequence) {
- final String[] nextXpathNodeIdSequence = new String[xpathNodeIdSequence.length - 1];
- System.arraycopy(xpathNodeIdSequence, 1, nextXpathNodeIdSequence, 0, nextXpathNodeIdSequence.length);
- return nextXpathNodeIdSequence;
- }
-
- private static DataValidationException schemaNodeNotFoundException(final String schemaNodeIdentifier) {
- return new DataValidationException("Invalid xpath.",
- String.format("No schema node was found for xpath identifier '%s'.", schemaNodeIdentifier));
- }
-
- private static NormalizedNode getFirstChildXmlRoot(final NormalizedNode parent) {
- final String rootNodeType = parent.getIdentifier().getNodeType().getLocalName();
- final Collection<DataContainerChild> children = (Collection<DataContainerChild>) parent.body();
- final Iterator<DataContainerChild> iterator = children.iterator();
- NormalizedNode child = null;
- while (iterator.hasNext()) {
- child = iterator.next();
- if (!child.getIdentifier().getNodeType().getLocalName().equals(rootNodeType)
- && !(child instanceof LeafNode)) {
- return child;
- }
- }
- return getFirstChildXmlRoot(child);
- }
}