private void printSingleField(final FieldDescriptor field,
final Object value,
final TextGenerator generator)
throws IOException {
if (field.isExtension()) {
generator.print("[");
// We special-case MessageSet elements for compatibility with proto1.
if (field.getContainingType().getOptions().getMessageSetWireFormat()
&& (field.getType() == FieldDescriptor.Type.MESSAGE)
&& (field.isOptional())
// object equality
&& (field.getExtensionScope() == field.getMessageType())) {
generator.print(field.getMessageType().getFullName());
} else {
generator.print(field.getFullName());
}
generator.print("]");
} else {
if (field.getType() == FieldDescriptor.Type.GROUP) {
// Groups must be serialized with their original capitalization.
generator.print(field.getMessageType().getName());
} else {
generator.print(field.getName());
}
}
if (field.getJavaType() == FieldDescriptor.JavaType.MESSAGE) {
if (singleLineMode) {
generator.print(" { ");
} else {
generator.print(" {\n");
generator.indent();
}
} else {
generator.print(": ");
}
printFieldValue(field, value, generator);
if (field.getJavaType() == FieldDescriptor.JavaType.MESSAGE) {
if (singleLineMode) {
generator.print("} ");
} else {
generator.outdent();
generator.print("}\n");
}
} else {
if (singleLineMode) {
generator.print(" ");
} else {
generator.print("\n");
}
}
}
