/*
* ============LICENSE_START=======================================================
- * Copyright (C) 2020-2022 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.
+ * Modifications Copyright (C) 2022 Deutsche Telekom AG
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
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.util.ArrayList;
-import java.util.Collection;
import java.util.Collections;
import java.util.List;
-import java.util.Optional;
import java.util.stream.Collectors;
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.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.impl.schema.Builders;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
-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;
-@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class YangUtils {
- /**
- * Parses jsonData 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 parseJsonData(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) {
- final Collection<QName> dataSchemaNodeIdentifiers =
- getDataSchemaNodeIdentifiersByXpath(parentNodeXpath, schemaContext);
- return parseJsonData(jsonData, schemaContext, Optional.of(dataSchemaNodeIdentifiers));
- }
-
- private static ContainerNode parseJsonData(final String jsonData, final SchemaContext schemaContext,
- final Optional<Collection<QName>> dataSchemaNodeIdentifiers) {
- 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(schemaContext.getQName()));
- final NormalizedNodeStreamWriter normalizedNodeStreamWriter = ImmutableNormalizedNodeStreamWriter
- .from(dataContainerNodeBuilder);
- final JsonReader jsonReader = new JsonReader(new StringReader(jsonData));
- final JsonParserStream jsonParserStream;
-
- if (dataSchemaNodeIdentifiers.isPresent()) {
- final EffectiveModelContext effectiveModelContext = ((EffectiveModelContext) schemaContext);
- final EffectiveStatementInference effectiveStatementInference =
- SchemaInferenceStack.of(effectiveModelContext,
- SchemaNodeIdentifier.Absolute.of(dataSchemaNodeIdentifiers.get())).toInference();
- jsonParserStream =
- JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory, effectiveStatementInference);
- } else {
- jsonParserStream = JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory);
- }
-
- try {
- jsonParserStream.parse(jsonReader);
- jsonParserStream.close();
- } catch (final JsonSyntaxException exception) {
- throw new DataValidationException(
- "Failed to parse json data: " + jsonData, exception.getMessage(), exception);
- } catch (final IOException | IllegalStateException illegalStateException) {
- throw new DataValidationException(
- "Failed to parse json data. Unsupported xpath or json data:" + jsonData, illegalStateException
- .getMessage(), illegalStateException);
- }
- return dataContainerNodeBuilder.build();
- }
-
/**
* Create an xpath form a Yang Tools NodeIdentifier (i.e. PathArgument).
*
* @param nodeIdentifier the NodeIdentifier
- * @return an xpath
+ * @return a xpath
*/
public static String buildXpath(final YangInstanceIdentifier.PathArgument nodeIdentifier) {
final StringBuilder xpathBuilder = new StringBuilder();
return xpathBuilder.toString();
}
-
private static String getKeyAttributesStatement(
- final YangInstanceIdentifier.NodeIdentifierWithPredicates nodeIdentifier) {
+ final YangInstanceIdentifier.NodeIdentifierWithPredicates nodeIdentifier) {
final List<String> keyAttributes = nodeIdentifier.entrySet().stream().map(
- entry -> {
- final String name = entry.getKey().getLocalName();
- final String value = String.valueOf(entry.getValue()).replace("'", "\\'");
- return String.format("@%s='%s'", name, value);
- }
+ entry -> {
+ final String name = entry.getKey().getLocalName();
+ final String value = String.valueOf(entry.getValue()).replace("'", "''");
+ return String.format("@%s='%s'", name, value);
+ }
).collect(Collectors.toList());
if (keyAttributes.isEmpty()) {
}
}
- private static Collection<QName> getDataSchemaNodeIdentifiersByXpath(final String parentNodeXpath,
- final SchemaContext schemaContext) {
- final String[] xpathNodeIdSequence = xpathToNodeIdSequence(parentNodeXpath);
- return findDataSchemaNodeIdentifiersByXpathNodeIdSequence(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 Collection<QName> findDataSchemaNodeIdentifiersByXpathNodeIdSequence(
- 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) {
- return dataSchemaNodeIdentifiers;
- }
- if (currentDataSchemaNode instanceof DataNodeContainer) {
- return findDataSchemaNodeIdentifiersByXpathNodeIdSequence(
- 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));
- }
}
Code Review / cps.git / blobdiff