com.google.protobuf.Type#com.google.protobuf.DescriptorProtos.DescriptorProto源码实例Demo

private String getMessageJavaType(String packageName, DescriptorProto sourceMessageDesc,
    FieldDescriptorProto field) {
  String fieldType = CommonUtils.findNotIncludePackageType(field.getTypeName());
  Map<String, Pair<DescriptorProto, List<FieldDescriptorProto>>> nestedFieldType =
      transform(sourceMessageDesc);
  // isMap
  if (nestedFieldType.containsKey(fieldType)) {
    Pair<DescriptorProto, List<FieldDescriptorProto>> nestedFieldPair =
        nestedFieldType.get(fieldType);
    if (nestedFieldPair.getRight().size() == 2) {
      DescriptorProto mapSourceMessageDesc = nestedFieldPair.getLeft();
      List<FieldDescriptorProto> mapFieldList = nestedFieldPair.getRight();
      String nestedJavaType =
          "java.util.Map<" + findJavaType(packageName, mapSourceMessageDesc, mapFieldList.get(0))
              + "," + findJavaType(packageName, mapSourceMessageDesc, mapFieldList.get(1)) + ">";
      return nestedJavaType;
    } else {
      return null;
    }
  } else {
    return CommonUtils.findPojoTypeFromCache(field.getTypeName(), pojoTypeCache);
  }
}
 

private void printMessage(List<DescriptorProto> messageDescList, String javaPackage,
    String outerClassName) {
  for (DescriptorProto messageDesc : messageDescList) {
    String pojoClassType = messageDesc.getName();
    String pojoPackageName = javaPackage + "." + outerClassName;
    String fullpojoType = pojoPackageName.toLowerCase() + "." + pojoClassType;
    pojoTypes.put(pojoClassType, fullpojoType);
    PrintMessageFile messageFile =
        new PrintMessageFile(generatePath, pojoPackageName, pojoClassType);
    try {
      messageFile.setMessageFields(messageDesc.getFieldList());
      messageFile.setPojoTypeCache(pojoTypes);
      messageFile.setSourceMessageDesc(messageDesc);
    } finally {
      messageFile.print();
    }
  }
}
 

Descriptor(final String fullname) throws DescriptorValidationException {
  String name = fullname;
  String packageName = "";
  int pos = fullname.lastIndexOf('.');
  if (pos != -1) {
    name = fullname.substring(pos + 1);
    packageName = fullname.substring(0, pos);
  }
  this.index = 0;
  this.proto = DescriptorProto.newBuilder().setName(name).addExtensionRange(
      DescriptorProto.ExtensionRange.newBuilder().setStart(1)
      .setEnd(536870912).build()).build();
  this.fullName = fullname;
  this.containingType = null;

  this.nestedTypes = new Descriptor[0];
  this.enumTypes = new EnumDescriptor[0];
  this.fields = new FieldDescriptor[0];
  this.extensions = new FieldDescriptor[0];
  this.oneofs = new OneofDescriptor[0];

  // Create a placeholder FileDescriptor to hold this message.
  this.file = new FileDescriptor(packageName, this);
}
 

/** See {@link FileDescriptor#setProto}. */
private void setProto(final DescriptorProto proto) {
  this.proto = proto;

  for (int i = 0; i < nestedTypes.length; i++) {
    nestedTypes[i].setProto(proto.getNestedType(i));
  }

  for (int i = 0; i < oneofs.length; i++) {
    oneofs[i].setProto(proto.getOneofDecl(i));
  }

  for (int i = 0; i < enumTypes.length; i++) {
    enumTypes[i].setProto(proto.getEnumType(i));
  }

  for (int i = 0; i < fields.length; i++) {
    fields[i].setProto(proto.getField(i));
  }

  for (int i = 0; i < extensions.length; i++) {
    extensions[i].setProto(proto.getExtension(i));
  }
}
 

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;
    }
}
 

@Nullable
private static String appendToFullName(
        DescriptorProto messageDescriptor, List<Integer> path, String fullNameSoFar) {
    switch (path.get(0)) {
        case DescriptorProto.NESTED_TYPE_FIELD_NUMBER:
            final DescriptorProto nestedMessage = messageDescriptor.getNestedType(path.get(1));
            return appendMessageToFullName(nestedMessage, path, fullNameSoFar);
        case DescriptorProto.ENUM_TYPE_FIELD_NUMBER:
            final EnumDescriptorProto enumDescriptor = messageDescriptor.getEnumType(path.get(1));
            return appendEnumToFullName(enumDescriptor, path, fullNameSoFar);
        case DescriptorProto.FIELD_FIELD_NUMBER:
            final FieldDescriptorProto fieldDescriptor = messageDescriptor.getField(path.get(1));
            return appendFieldComponent(fullNameSoFar, fieldDescriptor.getName());
        default:
            return null;
    }
}
 

private void addMessageTypes(final List<DescriptorProto> messageTypes,
                             @Nullable String parentProtoScope,
                             @Nullable String parentJavaScope,
                             final Map<String, ClassName> messageTypesMap) {

    messageTypes.forEach(t -> {
        final String protoTypeName = (parentProtoScope != null ? parentProtoScope : "") + '.' + t.getName();
        final String javaClassName = parentJavaScope + '.' + t.getName();
        messageTypesMap.put(protoTypeName, ClassName.bestGuess(javaClassName));

        addMessageTypes(t.getNestedTypeList(), protoTypeName, javaClassName, messageTypesMap);
    });
}
 

private String findJavaType(String packageName, DescriptorProto sourceMessageDesc,
    FieldDescriptorProto field) {
  switch (field.getType()) {
    case TYPE_ENUM:
      return getMessageJavaType(packageName, sourceMessageDesc, field);
    case TYPE_MESSAGE:
      String javaType = getMessageJavaType(packageName, sourceMessageDesc, field);
      return javaType;
    case TYPE_GROUP:
      logger.info("group have not support yet");
      return null;
    case TYPE_STRING:
      return "String";
    case TYPE_INT64:
      return "Long";
    case TYPE_INT32:
      return "Integer";
    case TYPE_BOOL:
      return "Boolean";
    case TYPE_DOUBLE:
      return "Double";
    case TYPE_FLOAT:
      return "Float";
    default:
      logger.info("have not support this type " + field.getType()
          + ",please contact [email protected] for support");
      return null;
  }
}
 

private Map<String, Pair<DescriptorProto, List<FieldDescriptorProto>>> transform(
    DescriptorProto sourceMessageDesc) {
  Map<String, Pair<DescriptorProto, List<FieldDescriptorProto>>> nestedFieldMap =
      Maps.newHashMap();
  sourceMessageDesc.getNestedTypeList().forEach(new Consumer<DescriptorProto>() {

    @Override
    public void accept(DescriptorProto t) {
      nestedFieldMap.put(t.getName(),
          new ImmutablePair<DescriptorProto, List<FieldDescriptorProto>>(t, t.getFieldList()));
    }

  });
  return nestedFieldMap;
}
 

private void doPrint(FileDescriptorProto fdp, String javaPackage, String outerClassName) {
  List<DescriptorProto> messageDescList = Lists.newArrayList(fdp.getMessageTypeList());
  List<ServiceDescriptorProto> serviceDescList = Lists.newArrayList(fdp.getServiceList());
  List<EnumDescriptorProto> enumDescList = Lists.newArrayList(fdp.getEnumTypeList());
  messageDescList.stream().filter(temp -> temp.getEnumTypeList() != null)
      .forEach(temp -> enumDescList.addAll(temp.getEnumTypeList()));
  printEnum(enumDescList, javaPackage, outerClassName);
  printMessage(messageDescList, javaPackage, outerClassName);
  printService(serviceDescList, javaPackage);
}
 

private void add(DescriptorProto message) {
  fullNameSegments.push(message.getName());
  pathSegments.push(DescriptorProto.EXTENSION_FIELD_NUMBER);
  add(message.getExtensionList());
  pathSegments.pop();
  pathSegments.push(DescriptorProto.NESTED_TYPE_FIELD_NUMBER);
  for (int i = 0; i < message.getNestedTypeCount(); i++) {
    pathSegments.push(i);
    DescriptorProto nested = message.getNestedType(i);
    add(nested);
    pathSegments.pop();
  }
  pathSegments.pop();
  fullNameSegments.pop();
}
 

/**
 * Creates additional types (Value, Struct and ListValue) to be added to the Service config.
 * TODO (guptasu): Fix this hack. Find a better way to add the predefined types.
 * TODO (guptasu): Add them only when required and not in all cases.
 */

static Iterable<Type> createAdditionalServiceTypes() {
  Map<String, DescriptorProto> additionalMessages = Maps.newHashMap();
  additionalMessages.put(Struct.getDescriptor().getFullName(),
      Struct.getDescriptor().toProto());
  additionalMessages.put(Value.getDescriptor().getFullName(),
      Value.getDescriptor().toProto());
  additionalMessages.put(ListValue.getDescriptor().getFullName(),
      ListValue.getDescriptor().toProto());
  additionalMessages.put(Empty.getDescriptor().getFullName(),
      Empty.getDescriptor().toProto());
  additionalMessages.put(Int32Value.getDescriptor().getFullName(),
      Int32Value.getDescriptor().toProto());
  additionalMessages.put(DoubleValue.getDescriptor().getFullName(),
      DoubleValue.getDescriptor().toProto());
  additionalMessages.put(BoolValue.getDescriptor().getFullName(),
      BoolValue.getDescriptor().toProto());
  additionalMessages.put(StringValue.getDescriptor().getFullName(),
      StringValue.getDescriptor().toProto());

  for (Descriptor descriptor : Struct.getDescriptor().getNestedTypes()) {
    additionalMessages.put(descriptor.getFullName(), descriptor.toProto());
  }

  // TODO (guptasu): Remove this hard coding. Without this, creation of Model from Service throws.
  // Needs investigation.
  String fileName = "struct.proto";
  List<Type> additionalTypes = Lists.newArrayList();
  for (String typeName : additionalMessages.keySet()) {
    additionalTypes.add(TypesBuilderFromDescriptor.createType(typeName,
        additionalMessages.get(typeName), fileName));
  }
  return additionalTypes;
}
 

/**
 * TODO (guptasu): only needed to create hard coded Types (Struct, ListValue, and Value). Check
 * if this can be removed. Create the Protobuf.Type instance from descriptorProto.
 */
private static Type createType(String typeName, DescriptorProto descriptorProto,
    String fileName) {
  Type.Builder coreTypeBuilder = Type.newBuilder().setName(typeName);

  int count = 1;
  for (FieldDescriptorProto fieldProto : descriptorProto.getFieldList()) {
    Field.Kind fieldKind = Field.Kind.valueOf(fieldProto.getType().getNumber());
    Cardinality cardinality = Cardinality.CARDINALITY_OPTIONAL;
    if (fieldProto.getLabel() == Label.LABEL_REPEATED) {
      cardinality = Cardinality.CARDINALITY_REPEATED;
    }
    Field.Builder coreFieldBuilder = Field
        .newBuilder()
        .setName(fieldProto.getName())
        .setNumber(count++)
        .setKind(fieldKind)
        .setCardinality(cardinality);
    if (fieldKind == Kind.TYPE_MESSAGE || fieldKind == Kind.TYPE_ENUM) {
      String typeFullName =
          fieldProto.getTypeName().startsWith(".") ? fieldProto.getTypeName().substring(1)
              : fieldProto.getTypeName();
      coreFieldBuilder.setTypeUrl(TYPE_SERVICE_BASE_URL + typeFullName);
    }
    coreTypeBuilder.addFields(coreFieldBuilder.build());
  }
  coreTypeBuilder.setSourceContext(SourceContext.newBuilder().setFileName(fileName));
  coreTypeBuilder.setSyntax(Syntax.SYNTAX_PROTO3);
  return coreTypeBuilder.build();
}
 

protected void addFieldToMessageAncestor(
    int generationsToSkip,
    FieldDescriptorProto.Builder fieldDesc,
    SourceCodeInfo.Location location) {
  BuilderVisitorNodeInfo ancestorInfo = getAncestorInfo(generationsToSkip);
  if (ancestorInfo instanceof MessageNodeInfo) {
    ((MessageNodeInfo) ancestorInfo).addNewField(fieldDesc, location);
    setModified(true);
  } else {
    throw new RuntimeException(
        String.format(
            "Tried to add a field to a %s, but can only add to %s",
            ancestorInfo.node().getClass(), DescriptorProto.Builder.class));
  }
}
 

@Accepts
protected void accept(DescriptorProto.Builder message) {
  MessageNodeInfo messageInfo =
      (MessageNodeInfo) pushParent(BuilderVisitorNodeInfo.create(message, currentFile));

  visitRepeated(DescriptorProto.FIELD_FIELD_NUMBER);
  visitRepeated(DescriptorProto.NESTED_TYPE_FIELD_NUMBER);
  visitRepeated(DescriptorProto.ENUM_TYPE_FIELD_NUMBER);
  visitRepeated(DescriptorProto.EXTENSION_FIELD_NUMBER);

  visit(message.getOptionsBuilder());

  popExpectedParent(message);
}
 

public void processAddedFields(DescriptorProto.Builder message, Iterable<FieldLocation> fields) {
  if (manageSourceCodeInfo) {
    ProtoPathWrapper messagePath = pathFromElement(message);
    if (messagePath == null) {
      throw new RuntimeException(
          String.format(
              "Internal error - couldn't find path for proto message %s",
              ProtoHelpers.getName(message)));
    }
    ProtoPathWrapper fieldsPath =
        ProtoHelpers.buildPath(messagePath, DescriptorProto.FIELD_FIELD_NUMBER);
    ProtoPathTree<SourceCodeInfo.Location> fieldsPathTree =
        pathToLocation.getSubtree(fieldsPath, true);
    for (FieldLocation field : fields) {
      Integer fieldIndex = fieldsPathTree.size();
      if (fieldIndex > 0
          && (fieldsPathTree.firstKey() != 0 || fieldsPathTree.lastKey() != (fieldIndex - 1))) {
        throw new RuntimeException(
            String.format(
                "BuilderVisitor internal error - non-contiguous field indexes found [%d..%d]\n",
                fieldsPathTree.firstKey(), fieldsPathTree.lastKey()));
      }
      fieldsPathTree.addDataElement(
          new ProtoPathWrapper(fieldIndex), // relative path of field within this message
          field.location());
      elementToOriginalPath.put(
          field.fieldDescriptor(), ProtoHelpers.buildPath(fieldsPath, fieldIndex));
    }
  }
}
 

private void processAddedFields(FileNodeInfo currentFile) {
  if (!toBeAddedFields().isEmpty()) {
    DescriptorProto.Builder message = (DescriptorProto.Builder) node();

    if (currentFile != null) {
      currentFile.processAddedFields(message, toBeAddedFields());
    }

    for (FieldLocation fieldInfo : toBeAddedFields()) {
      message.addField(fieldInfo.fieldDescriptor());
    }
  }
}
 

/** Determines if the given field number is an extension. */
public boolean isExtensionNumber(final int number) {
  for (final DescriptorProto.ExtensionRange range :
      proto.getExtensionRangeList()) {
    if (range.getStart() <= number && number < range.getEnd()) {
      return true;
    }
  }
  return false;
}
 

/** Determines if the given field number is reserved. */
public boolean isReservedNumber(final int number) {
  for (final DescriptorProto.ReservedRange range :
      proto.getReservedRangeList()) {
    if (range.getStart() <= number && number < range.getEnd()) {
      return true;
    }
  }
  return false;
}
 

protected void decompileMessageBody(DescriptorProto messageDescriptor) throws IOException {
    indent++;
    if (messageDescriptor.hasOptions()) {
        decompileOptions(messageDescriptor.getOptions());
    }
    decompileMembers(messageDescriptor.getEnumTypeList(),
                     messageDescriptor.getNestedTypeList(),
                     messageDescriptor.getFieldList(),
                     messageDescriptor.getExtensionRangeList(),
                     messageDescriptor.getExtensionList());
    indent--;
    indentedFormat("}");
}
 

protected void findGroups(List<FieldDescriptorProto> fieldDescriptors,
                          Map<String,DescriptorProto> groups) {
    for (FieldDescriptorProto fieldDescriptor : fieldDescriptors) {
        if (fieldDescriptor.getType() == Type.TYPE_GROUP) {
            groups.put(fieldDescriptor.getTypeName(), null);
        }
    }
}
 

protected void decompileFields(List<FieldDescriptorProto> fieldDescriptors,
                               Map<String,DescriptorProto> groups)
        throws IOException {
    for (FieldDescriptorProto fieldDescriptor : fieldDescriptors) {
        String label = LABELS.get(fieldDescriptor.getLabel());
        String type = TYPES.get(fieldDescriptor.getType());
        String name = fieldDescriptor.getName();
        if (fieldDescriptor.hasTypeName()) {
            type = fieldDescriptor.getTypeName();
            if ((absolutePackage != null) && type.startsWith(absolutePackage)) {
                type = type.substring(absolutePackage.length());
            }
        }
        DescriptorProto groupDescriptor = null;
        if (fieldDescriptor.getType() == Type.TYPE_GROUP) {
            groupDescriptor = groups.get(type);
            if (groupDescriptor != null) {
                name = type;
                type = "group";
            }
        }
        indentedFormat("%s %s %s = %d",
                       label, type, name, fieldDescriptor.getNumber());
        if (fieldDescriptor.hasOptions() || fieldDescriptor.hasDefaultValue()) {
            write(defaultAndOptions(fieldDescriptor.hasOptions() ? fieldDescriptor.getOptions() : null,
                                    fieldDescriptor.hasDefaultValue() ? fieldDescriptor.getDefaultValue() : null));
        }
        if (groupDescriptor == null) {
            write(";");
        }
        else {
            decompileMessageBody(groupDescriptor);
        }
    }
}
 

/**
 * Tests that the DescriptorValidationException works as intended.
 */
public void testDescriptorValidatorException() throws Exception {
  FileDescriptorProto fileDescriptorProto = FileDescriptorProto.newBuilder()
    .setName("foo.proto")
    .addMessageType(DescriptorProto.newBuilder()
    .setName("Foo")
      .addField(FieldDescriptorProto.newBuilder()
        .setLabel(FieldDescriptorProto.Label.LABEL_OPTIONAL)
        .setType(FieldDescriptorProto.Type.TYPE_INT32)
        .setName("foo")
        .setNumber(1)
        .setDefaultValue("invalid")
        .build())
      .build())
    .build();
  try {
    Descriptors.FileDescriptor.buildFrom(fileDescriptorProto,
        new FileDescriptor[0]);
    fail("DescriptorValidationException expected");
  } catch (DescriptorValidationException e) {
    // Expected; check that the error message contains some useful hints
    assertTrue(e.getMessage().indexOf("foo") != -1);
    assertTrue(e.getMessage().indexOf("Foo") != -1);
    assertTrue(e.getMessage().indexOf("invalid") != -1);
    assertTrue(e.getCause() instanceof NumberFormatException);
    assertTrue(e.getCause().getMessage().indexOf("invalid") != -1);
  }
}
 

public void testHiddenDependency() throws Exception {
  FileDescriptorProto barProto = FileDescriptorProto.newBuilder()
      .setName("bar.proto")
      .addMessageType(DescriptorProto.newBuilder().setName("Bar"))
      .build();
  FileDescriptorProto forwardProto = FileDescriptorProto.newBuilder()
      .setName("forward.proto")
      .addDependency("bar.proto")
      .build();
  FileDescriptorProto fooProto = FileDescriptorProto.newBuilder()
      .setName("foo.proto")
      .addDependency("forward.proto")
      .addMessageType(DescriptorProto.newBuilder()
          .setName("Foo")
          .addField(FieldDescriptorProto.newBuilder()
              .setLabel(FieldDescriptorProto.Label.LABEL_OPTIONAL)
              .setTypeName("Bar")
              .setName("bar")
              .setNumber(1)))
      .build();
  FileDescriptor barFile = Descriptors.FileDescriptor.buildFrom(
      barProto, new FileDescriptor[0]);
  FileDescriptor forwardFile = Descriptors.FileDescriptor.buildFrom(
      forwardProto, new FileDescriptor[] {barFile});

  try {
    Descriptors.FileDescriptor.buildFrom(
        fooProto, new FileDescriptor[] {forwardFile});
    fail("DescriptorValidationException expected");
  } catch (DescriptorValidationException e) {
    assertTrue(e.getMessage().indexOf("Bar") != -1);
    assertTrue(e.getMessage().indexOf("is not defined") != -1);
  }
}
 

public void testPublicDependency() throws Exception {
  FileDescriptorProto barProto = FileDescriptorProto.newBuilder()
      .setName("bar.proto")
      .addMessageType(DescriptorProto.newBuilder().setName("Bar"))
      .build();
  FileDescriptorProto forwardProto = FileDescriptorProto.newBuilder()
      .setName("forward.proto")
      .addDependency("bar.proto")
      .addPublicDependency(0)
      .build();
  FileDescriptorProto fooProto = FileDescriptorProto.newBuilder()
      .setName("foo.proto")
      .addDependency("forward.proto")
      .addMessageType(DescriptorProto.newBuilder()
          .setName("Foo")
          .addField(FieldDescriptorProto.newBuilder()
              .setLabel(FieldDescriptorProto.Label.LABEL_OPTIONAL)
              .setTypeName("Bar")
              .setName("bar")
              .setNumber(1)))
      .build();
  FileDescriptor barFile = Descriptors.FileDescriptor.buildFrom(
      barProto, new FileDescriptor[0]);
  FileDescriptor forwardFile = Descriptors.FileDescriptor.buildFrom(
      forwardProto, new FileDescriptor[]{barFile});
  Descriptors.FileDescriptor.buildFrom(
      fooProto, new FileDescriptor[] {forwardFile});
}
 

@Nullable
private static String appendMessageToFullName(
        DescriptorProto message, List<Integer> path, String fullNameSoFar) {
    fullNameSoFar = appendNameComponent(fullNameSoFar, message.getName());
    return path.size() > 2 ? appendToFullName(message, path.subList(2, path.size()), fullNameSoFar)
                           : fullNameSoFar;
}
 

@Test
public void testPOJODescriptorWorksWell() throws IOException {
    Descriptor descriptor2 = AddressBookProtos.Person.getDescriptor();
    DescriptorProto proto = descriptor2.toProto();
    byte[] byteArray = proto.toByteArray();
    Codec<DescriptorProtoPOJO> codec = ProtobufProxy.create(DescriptorProtoPOJO.class, true);

    DescriptorProtoPOJO decode = codec.decode(byteArray);

    byte[] encode = codec.encode(decode);

    Assert.assertArrayEquals(byteArray, encode);

}
 

@Test
public void testPOJODescriptorWorksWell() throws IOException {
    Descriptor descriptor2 =
            com.baidu.bjf.remoting.protobuf.complexList.AddressBookProtos.AddressBook.getDescriptor();
    DescriptorProto proto = descriptor2.toProto();
    byte[] byteArray = proto.toByteArray();

    DescriptorProtoPOJO decode = codec.decode(byteArray);

    byte[] encode = codec.encode(decode);

    Assert.assertArrayEquals(byteArray, encode);

}
 

public void setSourceMessageDesc(DescriptorProto sourceMessageDesc) {
  this.sourceMessageDesc = sourceMessageDesc;
}