Andrew Shvayka
4 years ago
committed by
GitHub
GitHub
16 changed files with 568 additions and 532 deletions
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/** |
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* Copyright © 2016-2022 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.common.data; |
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import com.github.os72.protobuf.dynamic.DynamicSchema; |
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import com.github.os72.protobuf.dynamic.EnumDefinition; |
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import com.github.os72.protobuf.dynamic.MessageDefinition; |
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import com.google.protobuf.Descriptors; |
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import com.google.protobuf.DynamicMessage; |
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import com.google.protobuf.InvalidProtocolBufferException; |
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import com.google.protobuf.util.JsonFormat; |
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import com.squareup.wire.Syntax; |
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import com.squareup.wire.schema.Field; |
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import com.squareup.wire.schema.Location; |
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import com.squareup.wire.schema.internal.parser.EnumConstantElement; |
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import com.squareup.wire.schema.internal.parser.EnumElement; |
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import com.squareup.wire.schema.internal.parser.FieldElement; |
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import com.squareup.wire.schema.internal.parser.MessageElement; |
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import com.squareup.wire.schema.internal.parser.OneOfElement; |
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import com.squareup.wire.schema.internal.parser.ProtoFileElement; |
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import com.squareup.wire.schema.internal.parser.ProtoParser; |
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import com.squareup.wire.schema.internal.parser.TypeElement; |
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import lombok.extern.slf4j.Slf4j; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.List; |
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import java.util.stream.Collectors; |
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@Slf4j |
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public class DynamicProtoUtils { |
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public static final Location LOCATION = new Location("", "", -1, -1); |
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public static final String PROTO_3_SYNTAX = "proto3"; |
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public static Descriptors.Descriptor getDescriptor(String protoSchema, String schemaName) { |
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try { |
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DynamicMessage.Builder builder = getDynamicMessageBuilder(protoSchema, schemaName); |
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return builder.getDescriptorForType(); |
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} catch (Exception e) { |
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log.warn("Failed to get Message Descriptor due to {}", e.getMessage()); |
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return null; |
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} |
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} |
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public static DynamicMessage.Builder getDynamicMessageBuilder(String protoSchema, String schemaName) { |
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ProtoFileElement protoFileElement = getProtoFileElement(protoSchema); |
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DynamicSchema dynamicSchema = getDynamicSchema(protoFileElement, schemaName); |
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String lastMsgName = getMessageTypes(protoFileElement.getTypes()).stream() |
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.map(MessageElement::getName).reduce((previous, last) -> last).get(); |
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return dynamicSchema.newMessageBuilder(lastMsgName); |
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} |
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public static DynamicSchema getDynamicSchema(ProtoFileElement protoFileElement, String schemaName) { |
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DynamicSchema.Builder schemaBuilder = DynamicSchema.newBuilder(); |
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schemaBuilder.setName(schemaName); |
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schemaBuilder.setSyntax(PROTO_3_SYNTAX); |
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schemaBuilder.setPackage(StringUtils.isNotEmpty(protoFileElement.getPackageName()) ? |
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protoFileElement.getPackageName() : schemaName.toLowerCase()); |
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List<TypeElement> types = protoFileElement.getTypes(); |
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List<MessageElement> messageTypes = getMessageTypes(types); |
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if (!messageTypes.isEmpty()) { |
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List<EnumElement> enumTypes = getEnumElements(types); |
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if (!enumTypes.isEmpty()) { |
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enumTypes.forEach(enumElement -> { |
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EnumDefinition enumDefinition = getEnumDefinition(enumElement); |
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schemaBuilder.addEnumDefinition(enumDefinition); |
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}); |
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} |
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List<MessageDefinition> messageDefinitions = getMessageDefinitions(messageTypes); |
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messageDefinitions.forEach(schemaBuilder::addMessageDefinition); |
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try { |
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return schemaBuilder.build(); |
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} catch (Descriptors.DescriptorValidationException e) { |
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throw new RuntimeException("Failed to create dynamic schema due to: " + e.getMessage()); |
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} |
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} else { |
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throw new RuntimeException("Failed to get Dynamic Schema! Message types is empty for schema:" + schemaName); |
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} |
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} |
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public static ProtoFileElement getProtoFileElement(String protoSchema) { |
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return new ProtoParser(LOCATION, protoSchema.toCharArray()).readProtoFile(); |
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} |
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public static String dynamicMsgToJson(Descriptors.Descriptor descriptor, byte[] payload) throws InvalidProtocolBufferException { |
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DynamicMessage dynamicMessage = DynamicMessage.parseFrom(descriptor, payload); |
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return JsonFormat.printer().includingDefaultValueFields().print(dynamicMessage); |
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} |
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public static DynamicMessage jsonToDynamicMessage(DynamicMessage.Builder builder, String payload) throws InvalidProtocolBufferException { |
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JsonFormat.parser().ignoringUnknownFields().merge(payload, builder); |
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return builder.build(); |
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} |
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private static List<MessageElement> getMessageTypes(List<TypeElement> types) { |
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return types.stream() |
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.filter(typeElement -> typeElement instanceof MessageElement) |
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.map(typeElement -> (MessageElement) typeElement) |
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.collect(Collectors.toList()); |
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} |
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private static List<EnumElement> getEnumElements(List<TypeElement> types) { |
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return types.stream() |
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.filter(typeElement -> typeElement instanceof EnumElement) |
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.map(typeElement -> (EnumElement) typeElement) |
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.collect(Collectors.toList()); |
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} |
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private static List<MessageDefinition> getMessageDefinitions(List<MessageElement> messageElementsList) { |
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if (!messageElementsList.isEmpty()) { |
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List<MessageDefinition> messageDefinitions = new ArrayList<>(); |
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messageElementsList.forEach(messageElement -> { |
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MessageDefinition.Builder messageDefinitionBuilder = MessageDefinition.newBuilder(messageElement.getName()); |
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List<TypeElement> nestedTypes = messageElement.getNestedTypes(); |
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if (!nestedTypes.isEmpty()) { |
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List<EnumElement> nestedEnumTypes = getEnumElements(nestedTypes); |
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if (!nestedEnumTypes.isEmpty()) { |
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nestedEnumTypes.forEach(enumElement -> { |
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EnumDefinition nestedEnumDefinition = getEnumDefinition(enumElement); |
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messageDefinitionBuilder.addEnumDefinition(nestedEnumDefinition); |
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}); |
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} |
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List<MessageElement> nestedMessageTypes = getMessageTypes(nestedTypes); |
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List<MessageDefinition> nestedMessageDefinitions = getMessageDefinitions(nestedMessageTypes); |
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nestedMessageDefinitions.forEach(messageDefinitionBuilder::addMessageDefinition); |
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} |
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List<FieldElement> messageElementFields = messageElement.getFields(); |
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List<OneOfElement> oneOfs = messageElement.getOneOfs(); |
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if (!oneOfs.isEmpty()) { |
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for (OneOfElement oneOfelement : oneOfs) { |
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MessageDefinition.OneofBuilder oneofBuilder = messageDefinitionBuilder.addOneof(oneOfelement.getName()); |
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addMessageFieldsToTheOneOfDefinition(oneOfelement.getFields(), oneofBuilder); |
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} |
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} |
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if (!messageElementFields.isEmpty()) { |
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addMessageFieldsToTheMessageDefinition(messageElementFields, messageDefinitionBuilder); |
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} |
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messageDefinitions.add(messageDefinitionBuilder.build()); |
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}); |
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return messageDefinitions; |
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} else { |
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return Collections.emptyList(); |
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} |
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} |
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private static EnumDefinition getEnumDefinition(EnumElement enumElement) { |
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List<EnumConstantElement> enumElementTypeConstants = enumElement.getConstants(); |
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EnumDefinition.Builder enumDefinitionBuilder = EnumDefinition.newBuilder(enumElement.getName()); |
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if (!enumElementTypeConstants.isEmpty()) { |
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enumElementTypeConstants.forEach(constantElement -> enumDefinitionBuilder.addValue(constantElement.getName(), constantElement.getTag())); |
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} |
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return enumDefinitionBuilder.build(); |
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} |
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private static void addMessageFieldsToTheMessageDefinition(List<FieldElement> messageElementFields, MessageDefinition.Builder messageDefinitionBuilder) { |
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messageElementFields.forEach(fieldElement -> { |
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String labelStr = null; |
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if (fieldElement.getLabel() != null) { |
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labelStr = fieldElement.getLabel().name().toLowerCase(); |
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} |
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messageDefinitionBuilder.addField( |
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labelStr, |
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fieldElement.getType(), |
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fieldElement.getName(), |
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fieldElement.getTag()); |
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}); |
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} |
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private static void addMessageFieldsToTheOneOfDefinition(List<FieldElement> oneOfsElementFields, MessageDefinition.OneofBuilder oneofBuilder) { |
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oneOfsElementFields.forEach(fieldElement -> oneofBuilder.addField( |
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fieldElement.getType(), |
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fieldElement.getName(), |
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fieldElement.getTag())); |
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oneofBuilder.msgDefBuilder(); |
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} |
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// validation
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public static void validateProtoSchema(String schema, String schemaName, String exceptionPrefix) throws IllegalArgumentException { |
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ProtoParser schemaParser = new ProtoParser(LOCATION, schema.toCharArray()); |
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ProtoFileElement protoFileElement; |
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try { |
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protoFileElement = schemaParser.readProtoFile(); |
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} catch (Exception e) { |
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throw new IllegalArgumentException(exceptionPrefix + " failed to parse " + schemaName + " due to: " + e.getMessage()); |
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} |
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checkProtoFileSyntax(schemaName, protoFileElement); |
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checkProtoFileCommonSettings(schemaName, protoFileElement.getOptions().isEmpty(), " Schema options don't support!", exceptionPrefix); |
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checkProtoFileCommonSettings(schemaName, protoFileElement.getPublicImports().isEmpty(), " Schema public imports don't support!", exceptionPrefix); |
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checkProtoFileCommonSettings(schemaName, protoFileElement.getImports().isEmpty(), " Schema imports don't support!", exceptionPrefix); |
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checkProtoFileCommonSettings(schemaName, protoFileElement.getExtendDeclarations().isEmpty(), " Schema extend declarations don't support!", exceptionPrefix); |
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checkTypeElements(schemaName, protoFileElement, exceptionPrefix); |
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} |
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private static void checkProtoFileSyntax(String schemaName, ProtoFileElement protoFileElement) { |
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if (protoFileElement.getSyntax() == null || !protoFileElement.getSyntax().equals(Syntax.PROTO_3)) { |
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throw new IllegalArgumentException("[Transport Configuration] invalid schema syntax: " + protoFileElement.getSyntax() + |
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" for " + schemaName + " provided! Only " + Syntax.PROTO_3 + " allowed!"); |
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} |
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} |
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private static void checkProtoFileCommonSettings(String schemaName, boolean isEmptySettings, String invalidSettingsMessage, String exceptionPrefix) { |
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if (!isEmptySettings) { |
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throw new IllegalArgumentException(invalidSchemaProvidedMessage(schemaName, exceptionPrefix) + invalidSettingsMessage); |
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} |
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} |
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private static void checkTypeElements(String schemaName, ProtoFileElement protoFileElement, String exceptionPrefix) { |
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List<TypeElement> types = protoFileElement.getTypes(); |
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if (!types.isEmpty()) { |
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if (types.stream().noneMatch(typeElement -> typeElement instanceof MessageElement)) { |
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throw new IllegalArgumentException(invalidSchemaProvidedMessage(schemaName, exceptionPrefix) + " At least one Message definition should exists!"); |
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} else { |
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checkEnumElements(schemaName, getEnumElements(types), exceptionPrefix); |
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checkMessageElements(schemaName, getMessageTypes(types), exceptionPrefix); |
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} |
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} else { |
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throw new IllegalArgumentException(invalidSchemaProvidedMessage(schemaName, exceptionPrefix) + " Type elements is empty!"); |
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} |
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} |
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private static void checkFieldElements(String schemaName, List<FieldElement> fieldElements, String exceptionPrefix) { |
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if (!fieldElements.isEmpty()) { |
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boolean hasRequiredLabel = fieldElements.stream().anyMatch(fieldElement -> { |
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Field.Label label = fieldElement.getLabel(); |
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return label != null && label.equals(Field.Label.REQUIRED); |
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}); |
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if (hasRequiredLabel) { |
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throw new IllegalArgumentException(invalidSchemaProvidedMessage(schemaName, exceptionPrefix) + " Required labels are not supported!"); |
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} |
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boolean hasDefaultValue = fieldElements.stream().anyMatch(fieldElement -> fieldElement.getDefaultValue() != null); |
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if (hasDefaultValue) { |
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throw new IllegalArgumentException(invalidSchemaProvidedMessage(schemaName, exceptionPrefix) + " Default values are not supported!"); |
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} |
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} |
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} |
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private static void checkEnumElements(String schemaName, List<EnumElement> enumTypes, String exceptionPrefix) { |
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if (enumTypes.stream().anyMatch(enumElement -> !enumElement.getNestedTypes().isEmpty())) { |
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throw new IllegalArgumentException(invalidSchemaProvidedMessage(schemaName, exceptionPrefix) + " Nested types in Enum definitions are not supported!"); |
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} |
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if (enumTypes.stream().anyMatch(enumElement -> !enumElement.getOptions().isEmpty())) { |
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throw new IllegalArgumentException(invalidSchemaProvidedMessage(schemaName, exceptionPrefix) + " Enum definitions options are not supported!"); |
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} |
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} |
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private static void checkMessageElements(String schemaName, List<MessageElement> messageElementsList, String exceptionPrefix) { |
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if (!messageElementsList.isEmpty()) { |
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messageElementsList.forEach(messageElement -> { |
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checkProtoFileCommonSettings(schemaName, messageElement.getGroups().isEmpty(), |
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" Message definition groups don't support!", exceptionPrefix); |
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checkProtoFileCommonSettings(schemaName, messageElement.getOptions().isEmpty(), |
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" Message definition options don't support!", exceptionPrefix); |
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checkProtoFileCommonSettings(schemaName, messageElement.getExtensions().isEmpty(), |
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" Message definition extensions don't support!", exceptionPrefix); |
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checkProtoFileCommonSettings(schemaName, messageElement.getReserveds().isEmpty(), |
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" Message definition reserved elements don't support!", exceptionPrefix); |
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checkFieldElements(schemaName, messageElement.getFields(), exceptionPrefix); |
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List<OneOfElement> oneOfs = messageElement.getOneOfs(); |
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if (!oneOfs.isEmpty()) { |
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oneOfs.forEach(oneOfElement -> { |
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checkProtoFileCommonSettings(schemaName, oneOfElement.getGroups().isEmpty(), |
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" OneOf definition groups don't support!", exceptionPrefix); |
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checkFieldElements(schemaName, oneOfElement.getFields(), exceptionPrefix); |
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}); |
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} |
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List<TypeElement> nestedTypes = messageElement.getNestedTypes(); |
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if (!nestedTypes.isEmpty()) { |
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List<EnumElement> nestedEnumTypes = getEnumElements(nestedTypes); |
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if (!nestedEnumTypes.isEmpty()) { |
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checkEnumElements(schemaName, nestedEnumTypes, exceptionPrefix); |
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} |
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List<MessageElement> nestedMessageTypes = getMessageTypes(nestedTypes); |
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checkMessageElements(schemaName, nestedMessageTypes, exceptionPrefix); |
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} |
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}); |
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} |
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} |
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public static String invalidSchemaProvidedMessage(String schemaName, String exceptionPrefix) { |
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return exceptionPrefix + " invalid " + schemaName + " provided!"; |
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} |
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} |
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@ -0,0 +1,169 @@ |
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/** |
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* Copyright © 2016-2022 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.common.data; |
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import com.github.os72.protobuf.dynamic.DynamicSchema; |
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import com.google.protobuf.Descriptors; |
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import com.google.protobuf.DynamicMessage; |
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import com.squareup.wire.schema.internal.parser.ProtoFileElement; |
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import org.junit.Test; |
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import org.junit.runner.RunWith; |
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import org.mockito.junit.MockitoJUnitRunner; |
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import java.util.List; |
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import java.util.Set; |
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import static org.junit.Assert.assertEquals; |
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import static org.junit.Assert.assertNotNull; |
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import static org.junit.Assert.assertTrue; |
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@RunWith(MockitoJUnitRunner.class) |
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public class DynamicProtoUtilsTest { |
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@Test |
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public void testProtoSchemaWithMessageNestedTypes() throws Exception { |
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String schema = "syntax = \"proto3\";\n" + |
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"\n" + |
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"package testnested;\n" + |
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"\n" + |
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"message Outer {\n" + |
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" message MiddleAA {\n" + |
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" message Inner {\n" + |
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" optional int64 ival = 1;\n" + |
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" optional bool booly = 2;\n" + |
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" }\n" + |
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" Inner inner = 1;\n" + |
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" }\n" + |
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" message MiddleBB {\n" + |
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" message Inner {\n" + |
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" optional int32 ival = 1;\n" + |
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" optional bool booly = 2;\n" + |
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" }\n" + |
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" Inner inner = 1;\n" + |
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" }\n" + |
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" MiddleAA middleAA = 1;\n" + |
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" MiddleBB middleBB = 2;\n" + |
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"}"; |
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ProtoFileElement protoFileElement = DynamicProtoUtils.getProtoFileElement(schema); |
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DynamicSchema dynamicSchema = DynamicProtoUtils.getDynamicSchema(protoFileElement, "test schema with nested types"); |
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assertNotNull(dynamicSchema); |
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Set<String> messageTypes = dynamicSchema.getMessageTypes(); |
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assertEquals(5, messageTypes.size()); |
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assertTrue(messageTypes.contains("testnested.Outer")); |
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assertTrue(messageTypes.contains("testnested.Outer.MiddleAA")); |
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assertTrue(messageTypes.contains("testnested.Outer.MiddleAA.Inner")); |
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assertTrue(messageTypes.contains("testnested.Outer.MiddleBB")); |
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assertTrue(messageTypes.contains("testnested.Outer.MiddleBB.Inner")); |
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DynamicMessage.Builder middleAAInnerMsgBuilder = dynamicSchema.newMessageBuilder("testnested.Outer.MiddleAA.Inner"); |
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Descriptors.Descriptor middleAAInnerMsgDescriptor = middleAAInnerMsgBuilder.getDescriptorForType(); |
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DynamicMessage middleAAInnerMsg = middleAAInnerMsgBuilder |
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.setField(middleAAInnerMsgDescriptor.findFieldByName("ival"), 1L) |
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.setField(middleAAInnerMsgDescriptor.findFieldByName("booly"), true) |
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.build(); |
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DynamicMessage.Builder middleAAMsgBuilder = dynamicSchema.newMessageBuilder("testnested.Outer.MiddleAA"); |
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Descriptors.Descriptor middleAAMsgDescriptor = middleAAMsgBuilder.getDescriptorForType(); |
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DynamicMessage middleAAMsg = middleAAMsgBuilder |
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.setField(middleAAMsgDescriptor.findFieldByName("inner"), middleAAInnerMsg) |
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.build(); |
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DynamicMessage.Builder middleBBInnerMsgBuilder = dynamicSchema.newMessageBuilder("testnested.Outer.MiddleAA.Inner"); |
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Descriptors.Descriptor middleBBInnerMsgDescriptor = middleBBInnerMsgBuilder.getDescriptorForType(); |
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DynamicMessage middleBBInnerMsg = middleBBInnerMsgBuilder |
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.setField(middleBBInnerMsgDescriptor.findFieldByName("ival"), 0L) |
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.setField(middleBBInnerMsgDescriptor.findFieldByName("booly"), false) |
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.build(); |
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DynamicMessage.Builder middleBBMsgBuilder = dynamicSchema.newMessageBuilder("testnested.Outer.MiddleBB"); |
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Descriptors.Descriptor middleBBMsgDescriptor = middleBBMsgBuilder.getDescriptorForType(); |
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DynamicMessage middleBBMsg = middleBBMsgBuilder |
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.setField(middleBBMsgDescriptor.findFieldByName("inner"), middleBBInnerMsg) |
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.build(); |
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DynamicMessage.Builder outerMsgBuilder = dynamicSchema.newMessageBuilder("testnested.Outer"); |
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Descriptors.Descriptor outerMsgBuilderDescriptor = outerMsgBuilder.getDescriptorForType(); |
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DynamicMessage outerMsg = outerMsgBuilder |
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.setField(outerMsgBuilderDescriptor.findFieldByName("middleAA"), middleAAMsg) |
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.setField(outerMsgBuilderDescriptor.findFieldByName("middleBB"), middleBBMsg) |
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.build(); |
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assertEquals("{\n" + |
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" \"middleAA\": {\n" + |
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" \"inner\": {\n" + |
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" \"ival\": \"1\",\n" + |
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" \"booly\": true\n" + |
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" }\n" + |
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" },\n" + |
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" \"middleBB\": {\n" + |
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" \"inner\": {\n" + |
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" \"ival\": 0,\n" + |
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" \"booly\": false\n" + |
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" }\n" + |
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" }\n" + |
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"}", DynamicProtoUtils.dynamicMsgToJson(outerMsgBuilderDescriptor, outerMsg.toByteArray())); |
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} |
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@Test |
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public void testProtoSchemaWithMessageOneOfs() throws Exception { |
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String schema = "syntax = \"proto3\";\n" + |
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"\n" + |
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"package testoneofs;\n" + |
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"\n" + |
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"message SubMessage {\n" + |
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" repeated string name = 1;\n" + |
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"}\n" + |
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"\n" + |
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"message SampleMessage {\n" + |
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" optional int32 id = 1;\n" + |
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" oneof testOneOf {\n" + |
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" string name = 4;\n" + |
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" SubMessage subMessage = 9;\n" + |
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" }\n" + |
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"}"; |
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ProtoFileElement protoFileElement = DynamicProtoUtils.getProtoFileElement(schema); |
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DynamicSchema dynamicSchema = DynamicProtoUtils.getDynamicSchema(protoFileElement, "test schema with message oneOfs"); |
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assertNotNull(dynamicSchema); |
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Set<String> messageTypes = dynamicSchema.getMessageTypes(); |
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assertEquals(2, messageTypes.size()); |
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assertTrue(messageTypes.contains("testoneofs.SubMessage")); |
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assertTrue(messageTypes.contains("testoneofs.SampleMessage")); |
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DynamicMessage.Builder sampleMsgBuilder = dynamicSchema.newMessageBuilder("testoneofs.SampleMessage"); |
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Descriptors.Descriptor sampleMsgDescriptor = sampleMsgBuilder.getDescriptorForType(); |
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assertNotNull(sampleMsgDescriptor); |
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List<Descriptors.FieldDescriptor> fields = sampleMsgDescriptor.getFields(); |
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assertEquals(3, fields.size()); |
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DynamicMessage sampleMsg = sampleMsgBuilder |
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.setField(sampleMsgDescriptor.findFieldByName("name"), "Bob") |
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.build(); |
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assertEquals("{\n" + " \"name\": \"Bob\"\n" + "}", DynamicProtoUtils.dynamicMsgToJson(sampleMsgDescriptor, sampleMsg.toByteArray())); |
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DynamicMessage.Builder subMsgBuilder = dynamicSchema.newMessageBuilder("testoneofs.SubMessage"); |
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Descriptors.Descriptor subMsgDescriptor = subMsgBuilder.getDescriptorForType(); |
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DynamicMessage subMsg = subMsgBuilder |
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.addRepeatedField(subMsgDescriptor.findFieldByName("name"), "Alice") |
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.addRepeatedField(subMsgDescriptor.findFieldByName("name"), "John") |
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.build(); |
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|
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DynamicMessage sampleMsgWithOneOfSubMessage = sampleMsgBuilder.setField(sampleMsgDescriptor.findFieldByName("subMessage"), subMsg).build(); |
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assertEquals("{\n" + " \"subMessage\": {\n" + " \"name\": [\"Alice\", \"John\"]\n" + " }\n" + "}", |
|||
DynamicProtoUtils.dynamicMsgToJson(sampleMsgDescriptor, sampleMsgWithOneOfSubMessage.toByteArray())); |
|||
} |
|||
|
|||
} |
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Loading…
Reference in new issue