1 // Copyright 2021 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package com.google.api.generator.debug; 16 17 import com.google.api.generator.ProtoRegistry; 18 import com.google.api.generator.gapic.Generator; 19 import com.google.protobuf.ExtensionRegistry; 20 import com.google.protobuf.compiler.PluginProtos.CodeGeneratorRequest; 21 import com.google.protobuf.compiler.PluginProtos.CodeGeneratorResponse; 22 import java.io.FileInputStream; 23 import java.io.FileOutputStream; 24 import java.io.IOException; 25 import java.io.InputStream; 26 import java.io.OutputStream; 27 28 // A generator entry point class, similar to Main but reads the CodeGeneratorRequest directly from a 29 // file instead of relying on protoc to pipe it in. 30 public class CodeGeneratorRequestFileToGapicMain { main(String[] args)31 public static void main(String[] args) throws IOException { 32 ExtensionRegistry registry = ExtensionRegistry.newInstance(); 33 ProtoRegistry.registerAllExtensions(registry); 34 35 String inputFile = args[0]; 36 String outputFile = args[1]; 37 38 try (InputStream inputStream = new FileInputStream(inputFile); 39 OutputStream outputStream = new FileOutputStream(outputFile)) { 40 CodeGeneratorRequest request = CodeGeneratorRequest.parseFrom(inputStream, registry); 41 CodeGeneratorResponse response = Generator.generateGapic(request); 42 response.writeTo(outputStream); 43 } 44 } 45 } 46