1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // http://code.google.com/p/protobuf/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 // Author: kenton@google.com (Kenton Varda) 32 // Based on original Protocol Buffers design by 33 // Sanjay Ghemawat, Jeff Dean, and others. 34 35 #ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_SERVICE_H__ 36 #define GOOGLE_PROTOBUF_COMPILER_JAVA_SERVICE_H__ 37 38 #include <map> 39 #include <google/protobuf/descriptor.h> 40 41 namespace google { 42 namespace protobuf { 43 namespace io { 44 class Printer; // printer.h 45 } 46 } 47 48 namespace protobuf { 49 namespace compiler { 50 namespace java { 51 52 class ServiceGenerator { 53 public: 54 explicit ServiceGenerator(const ServiceDescriptor* descriptor); 55 ~ServiceGenerator(); 56 57 void Generate(io::Printer* printer); 58 59 private: 60 61 // Generate the getDescriptorForType() method. 62 void GenerateGetDescriptorForType(io::Printer* printer); 63 64 // Generate a Java interface for the service. 65 void GenerateInterface(io::Printer* printer); 66 67 // Generate newReflectiveService() method. 68 void GenerateNewReflectiveServiceMethod(io::Printer* printer); 69 70 // Generate newReflectiveBlockingService() method. 71 void GenerateNewReflectiveBlockingServiceMethod(io::Printer* printer); 72 73 // Generate abstract method declarations for all methods. 74 void GenerateAbstractMethods(io::Printer* printer); 75 76 // Generate the implementation of Service.callMethod(). 77 void GenerateCallMethod(io::Printer* printer); 78 79 // Generate the implementation of BlockingService.callBlockingMethod(). 80 void GenerateCallBlockingMethod(io::Printer* printer); 81 82 // Generate the implementations of Service.get{Request,Response}Prototype(). 83 enum RequestOrResponse { REQUEST, RESPONSE }; 84 void GenerateGetPrototype(RequestOrResponse which, io::Printer* printer); 85 86 // Generate a stub implementation of the service. 87 void GenerateStub(io::Printer* printer); 88 89 // Generate a method signature, possibly abstract, without body or trailing 90 // semicolon. 91 enum IsAbstract { IS_ABSTRACT, IS_CONCRETE }; 92 void GenerateMethodSignature(io::Printer* printer, 93 const MethodDescriptor* method, 94 IsAbstract is_abstract); 95 96 // Generate a blocking stub interface and implementation of the service. 97 void GenerateBlockingStub(io::Printer* printer); 98 99 // Generate the method signature for one method of a blocking stub. 100 void GenerateBlockingMethodSignature(io::Printer* printer, 101 const MethodDescriptor* method); 102 103 const ServiceDescriptor* descriptor_; 104 105 GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(ServiceGenerator); 106 }; 107 108 } // namespace java 109 } // namespace compiler 110 } // namespace protobuf 111 112 #endif // NET_PROTO2_COMPILER_JAVA_SERVICE_H__ 113 } // namespace google 114