com.google.protobuf.DescriptorProtos.FileDescriptorProto#getPackage ( )源码实例Demo

FileDescriptor(final FileDescriptorProto protoFile) {
    this.protoFile = protoFile;
    sanitizedProtoFileName = sanitizeFileName(protoFile.getName());
    protoPackageName = protoFile.hasPackage() ? protoFile.getPackage() : null;

    if (protoFile.hasOptions()) {
        final FileOptions fileOptions = protoFile.getOptions();
        deprecated = fileOptions.hasDeprecated() && fileOptions.getDeprecated();
        multipleClassFiles = fileOptions.hasJavaMultipleFiles() && fileOptions.getJavaMultipleFiles();
        javaPackageName = fileOptions.hasJavaPackage() ? fileOptions.getJavaPackage() : null;
        outerClassName = fileOptions.hasJavaOuterClassname() ? fileOptions.getJavaOuterClassname() : null;
    } else {
        deprecated = false;
        multipleClassFiles = false;
        javaPackageName = null;
        outerClassName = null;
    }

    serviceClassBuilders = new ArrayList<>(protoFile.getServiceCount());
}
 

public void decompile(FileDescriptorProto fileDescriptor) throws IOException {
    if (fileDescriptor.hasPackage()) {
        indentedFormat("package %s;", fileDescriptor.getPackage());
        absolutePackage = "." + fileDescriptor.getPackage() + ".";
    }
    for (String dependency : fileDescriptor.getDependencyList()) {
        indentedFormat("import \"%s\";", dependency);
    }
    if (fileDescriptor.hasOptions()) {
        decompileOptions(fileDescriptor.getOptions());
    }
    decompileMembers(fileDescriptor.getEnumTypeList(),
                     fileDescriptor.getMessageTypeList(),
                     Collections.<FieldDescriptorProto>emptyList(),
                     Collections.<DescriptorProto.ExtensionRange>emptyList(),
                     fileDescriptor.getExtensionList());
    for (ServiceDescriptorProto serviceDescriptor : fileDescriptor.getServiceList()) {
        decompile(serviceDescriptor);
    }
    newline();
    flush();
}
 

@Nullable
private static String getFullName(FileDescriptorProto descriptor, List<Integer> path) {
    String fullNameSoFar = descriptor.getPackage();
    switch (path.get(0)) {
        case FileDescriptorProto.MESSAGE_TYPE_FIELD_NUMBER:
            final DescriptorProto message = descriptor.getMessageType(path.get(1));
            return appendMessageToFullName(message, path, fullNameSoFar);
        case FileDescriptorProto.ENUM_TYPE_FIELD_NUMBER:
            final EnumDescriptorProto enumDescriptor = descriptor.getEnumType(path.get(1));
            return appendEnumToFullName(enumDescriptor, path, fullNameSoFar);
        case FileDescriptorProto.SERVICE_FIELD_NUMBER:
            final ServiceDescriptorProto serviceDescriptor = descriptor.getService(path.get(1));
            fullNameSoFar = appendNameComponent(fullNameSoFar, serviceDescriptor.getName());
            if (path.size() > 2) {
                fullNameSoFar = appendFieldComponent(
                        fullNameSoFar, serviceDescriptor.getMethod(path.get(3)).getName());
            }
            return fullNameSoFar;
        default:
            return null;
    }
}