Examples with JsonParserStream org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream used on opensource projects

Example 1 with JsonParserStream

use of org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream in project netconf by opendaylight.

the class JsonNormalizedNodeBodyReader method readFrom.

private static NormalizedNodeContext readFrom(final InstanceIdentifierContext<?> path, final InputStream entityStream, final boolean isPost) throws IOException {
    final Optional<InputStream> nonEmptyInputStreamOptional = RestUtil.isInputStreamEmpty(entityStream);
    if (nonEmptyInputStreamOptional.isEmpty()) {
        return new NormalizedNodeContext(path, null);
    }
    final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
    final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
    final SchemaInferenceStack stack;
    if (path.getSchemaNode() instanceof RpcEffectiveStatement) {
        stack = SchemaInferenceStack.of(path.getSchemaContext(), Absolute.of(path.getSchemaNode().getQName()));
    } else {
        stack = SchemaInferenceStack.of(path.getSchemaContext());
        path.getInstanceIdentifier().getPathArguments().stream().filter(arg -> !(arg instanceof YangInstanceIdentifier.NodeIdentifierWithPredicates)).filter(arg -> !(arg instanceof YangInstanceIdentifier.AugmentationIdentifier)).forEach(p -> stack.enterSchemaTree(p.getNodeType()));
    }
    if (!isPost) {
        stack.exit();
    }
    final JsonParserStream jsonParser = JsonParserStream.create(writer, JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.getShared(path.getSchemaContext()), stack.toInference());
    final JsonReader reader = new JsonReader(new InputStreamReader(nonEmptyInputStreamOptional.get(), StandardCharsets.UTF_8));
    jsonParser.parse(reader);
    NormalizedNode result = resultHolder.getResult();
    final List<YangInstanceIdentifier.PathArgument> iiToDataList = new ArrayList<>();
    InstanceIdentifierContext<? extends SchemaNode> newIIContext;
    while (result instanceof AugmentationNode || result instanceof ChoiceNode) {
        final Object childNode = ((DataContainerNode) result).body().iterator().next();
        if (isPost) {
            iiToDataList.add(result.getIdentifier());
        }
        result = (NormalizedNode) childNode;
    }
    if (isPost) {
        if (result instanceof MapEntryNode) {
            iiToDataList.add(new YangInstanceIdentifier.NodeIdentifier(result.getIdentifier().getNodeType()));
            iiToDataList.add(result.getIdentifier());
        } else {
            iiToDataList.add(result.getIdentifier());
        }
    } else {
        if (result instanceof MapNode) {
            result = Iterables.getOnlyElement(((MapNode) result).body());
        }
    }
    final YangInstanceIdentifier fullIIToData = YangInstanceIdentifier.create(Iterables.concat(path.getInstanceIdentifier().getPathArguments(), iiToDataList));
    newIIContext = new InstanceIdentifierContext<>(fullIIToData, path.getSchemaNode(), path.getMountPoint(), path.getSchemaContext());
    return new NormalizedNodeContext(newIIContext, result);
}

Example 2 with JsonParserStream

use of org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream in project opennms-opendaylight-plugin by OpenNMS.

the class YangDecoder method normalizedNodeFromJsonString.

public NormalizedNode<?, ?> normalizedNodeFromJsonString(final String inputJson) {
    final NormalizedNodeResult result = new NormalizedNodeResult();
    final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
    // note: context used to be generated by using loadModules from TestUtils in
    // org.opendaylight.yangtools.yang.data.codec.gson
    final JsonParserStream jsonParser = JsonParserStream.create(streamWriter, this.context);
    jsonParser.parse(new JsonReader(new StringReader(inputJson)));
    final NormalizedNode<?, ?> transformedInput = result.getResult();
    return transformedInput;
}

Example 3 with JsonParserStream

use of org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream in project cps by onap.

the class YangUtils method parseJsonData.

private static NormalizedNode<?, ?> parseJsonData(final String jsonData, final SchemaContext schemaContext, final Optional<DataSchemaNode> optionalParentSchemaNode) {
    final var jsonCodecFactory = JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.getShared((EffectiveModelContext) schemaContext);
    final var normalizedNodeResult = new NormalizedNodeResult();
    final var normalizedNodeStreamWriter = ImmutableNormalizedNodeStreamWriter.from(normalizedNodeResult);
    try (final JsonParserStream jsonParserStream = optionalParentSchemaNode.isPresent() ? JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory, optionalParentSchemaNode.get()) : JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory)) {
        final var jsonReader = new JsonReader(new StringReader(jsonData));
        jsonParserStream.parse(jsonReader);
    } catch (final IOException | JsonSyntaxException exception) {
        throw new DataValidationException("Failed to parse json data: " + jsonData, exception.getMessage(), exception);
    } catch (final IllegalStateException illegalStateException) {
        throw new DataValidationException("Failed to parse json data. Unsupported xpath or json data:" + jsonData, illegalStateException.getMessage(), illegalStateException);
    }
    return normalizedNodeResult.getResult();
}

Example 4 with JsonParserStream

use of org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream in project netconf by opendaylight.

the class LibraryModulesSchemas method readJson.

private static Optional<NormalizedNode> readJson(final InputStream in) {
    final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
    final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
    final JsonParserStream jsonParser = JsonParserStream.create(writer, JSON_CODECS);
    final JsonReader reader = new JsonReader(new InputStreamReader(in, Charset.defaultCharset()));
    jsonParser.parse(reader);
    return resultHolder.isFinished() ? Optional.of(resultHolder.getResult()) : Optional.empty();
}

Example 5 with JsonParserStream

use of org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream in project netconf by opendaylight.

the class JsonNormalizedNodeBodyReader method readFrom.

public static NormalizedNodePayload readFrom(final InstanceIdentifierContext<?> path, final InputStream entityStream, final boolean isPost) {
    final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
    final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
    final EffectiveStatementInference parentSchema;
    final SchemaInferenceStack stack;
    if (path.getSchemaNode() instanceof RpcEffectiveStatement) {
        stack = SchemaInferenceStack.of(path.getSchemaContext(), Absolute.of(path.getSchemaNode().getQName()));
    } else {
        stack = SchemaInferenceStack.of(path.getSchemaContext());
        path.getInstanceIdentifier().getPathArguments().stream().filter(arg -> !(arg instanceof YangInstanceIdentifier.NodeIdentifierWithPredicates)).filter(arg -> !(arg instanceof YangInstanceIdentifier.AugmentationIdentifier)).forEach(p -> stack.enterSchemaTree(p.getNodeType()));
    }
    if (!isPost) {
        stack.exit();
    }
    parentSchema = stack.toInference();
    final JsonParserStream jsonParser = JsonParserStream.create(writer, JSONCodecFactorySupplier.RFC7951.getShared(path.getSchemaContext()), parentSchema);
    final JsonReader reader = new JsonReader(new InputStreamReader(entityStream, StandardCharsets.UTF_8));
    jsonParser.parse(reader);
    NormalizedNode result = resultHolder.getResult();
    final List<YangInstanceIdentifier.PathArgument> iiToDataList = new ArrayList<>();
    InstanceIdentifierContext<? extends SchemaNode> newIIContext;
    while (result instanceof AugmentationNode || result instanceof ChoiceNode) {
        final Object childNode = ((DataContainerNode) result).body().iterator().next();
        if (isPost) {
            iiToDataList.add(result.getIdentifier());
        }
        result = (NormalizedNode) childNode;
    }
    if (isPost) {
        if (result instanceof MapEntryNode) {
            iiToDataList.add(new YangInstanceIdentifier.NodeIdentifier(result.getIdentifier().getNodeType()));
            iiToDataList.add(result.getIdentifier());
        } else {
            final List<? extends @NonNull EffectiveStatement<?, ?>> parentPath = parentSchema.statementPath();
            if (parentPath.isEmpty() || !(parentPath.get(parentPath.size() - 1) instanceof OperationDefinition)) {
                iiToDataList.add(result.getIdentifier());
            }
        }
    } else {
        if (result instanceof MapNode) {
            result = Iterables.getOnlyElement(((MapNode) result).body());
        }
    }
    final YangInstanceIdentifier fullIIToData = YangInstanceIdentifier.create(Iterables.concat(path.getInstanceIdentifier().getPathArguments(), iiToDataList));
    newIIContext = new InstanceIdentifierContext<>(fullIIToData, path.getSchemaNode(), path.getMountPoint(), path.getSchemaContext());
    // FIXME: can result really be null?
    return NormalizedNodePayload.ofNullable(newIIContext, result);
}