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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Author: kenton@google.com (Kenton Varda)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
#include <google/protobuf/compiler/java/java_extension.h>
#include <google/protobuf/compiler/java/java_helpers.h>
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/io/printer.h>
namespace google {
namespace protobuf {
namespace compiler {
namespace java {
ExtensionGenerator::ExtensionGenerator(const FieldDescriptor* descriptor)
: descriptor_(descriptor) {}
ExtensionGenerator::~ExtensionGenerator() {}
void ExtensionGenerator::Generate(io::Printer* printer) {
map<string, string> vars;
vars["name"] = UnderscoresToCamelCase(descriptor_);
vars["containing_type"] = ClassName(descriptor_->containing_type());
vars["index"] = SimpleItoa(descriptor_->index());
JavaType java_type = GetJavaType(descriptor_);
string singular_type;
switch (java_type) {
case JAVATYPE_MESSAGE:
vars["type"] = ClassName(descriptor_->message_type());
break;
case JAVATYPE_ENUM:
vars["type"] = ClassName(descriptor_->enum_type());
break;
default:
vars["type"] = BoxedPrimitiveTypeName(java_type);
break;
}
if (descriptor_->is_repeated()) {
printer->Print(vars,
"public static final\n"
" com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
" $containing_type$,\n"
" java.util.List<$type$>> $name$ =\n"
" com.google.protobuf.GeneratedMessage\n"
" .newRepeatedGeneratedExtension(\n"
" getDescriptor().getExtensions().get($index$),\n"
" $type$.class);\n");
} else {
printer->Print(vars,
"public static final\n"
" com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
" $containing_type$,\n"
" $type$> $name$ =\n"
" com.google.protobuf.GeneratedMessage.newGeneratedExtension(\n"
" getDescriptor().getExtensions().get($index$),\n"
" $type$.class);\n");
}
}
} // namespace java
} // namespace compiler
} // namespace protobuf
} // namespace google
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