Fix javanano compiler generating uncompileable java code. This happened

for enums when java_multiple_files=true.

Change-Id: Ia6fe1a51c6a46eb9a2f29527829794076b165cb7
Signed-off-by: Brian Duff <bduff@google.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/google/protobuf/compiler/javanano/javanano_enum.cc b/src/google/protobuf/compiler/javanano/javanano_enum.cc
index 5abd46e9..6ba25ebd 100644
--- a/src/google/protobuf/compiler/javanano/javanano_enum.cc
+++ b/src/google/protobuf/compiler/javanano/javanano_enum.cc
@@ -69,6 +69,17 @@ EnumGenerator::~EnumGenerator() {}
 
 void EnumGenerator::Generate(io::Printer* printer) {
   printer->Print("// enum $classname$\n", "classname", descriptor_->name());
+  bool is_own_file = params_.java_multiple_files() ||
+      ((descriptor_->containing_type() == NULL) &&
+       !params_.has_java_outer_classname(descriptor_->file()->name()));
+
+  if (is_own_file) {
+    printer->Print("public final class $classname$ {\n", "classname",
+        descriptor_->name());
+    printer->Indent();
+    printer->Print("private $classname$() {}\n", "classname",
+        descriptor_->name());
+  }
   for (int i = 0; i < canonical_values_.size(); i++) {
     map<string, string> vars;
     vars["name"] = canonical_values_[i]->name();
@@ -87,6 +98,10 @@ void EnumGenerator::Generate(io::Printer* printer) {
       "public static final int $name$ = $canonical_name$;\n");
   }
 
+  if (is_own_file) {
+    printer->Outdent();
+    printer->Print("}");
+  }
   printer->Print("\n");
 }