Package com.google.protobuf.Descriptors

Examples of com.google.protobuf.Descriptors.FileDescriptor

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*
* @author kenton@google.com Kenton Varda
*/
public class DescriptorsTest extends TestCase {
  public void testFileDescriptor() throws Exception {
    FileDescriptor file = UnittestProto.getDescriptor();

    assertEquals("google/protobuf/unittest.proto", file.getName());
    assertEquals("protobuf_unittest", file.getPackage());

    assertEquals("UnittestProto", file.getOptions().getJavaOuterClassname());
    assertEquals("google/protobuf/unittest.proto",
                 file.toProto().getName());

    assertEquals(Arrays.asList(UnittestImport.getDescriptor()),
                 file.getDependencies());

    Descriptor messageType = TestAllTypes.getDescriptor();
    assertEquals(messageType, file.getMessageTypes().get(0));
    assertEquals(messageType, file.findMessageTypeByName("TestAllTypes"));
    assertNull(file.findMessageTypeByName("NoSuchType"));
    assertNull(file.findMessageTypeByName("protobuf_unittest.TestAllTypes"));
    for (int i = 0; i < file.getMessageTypes().size(); i++) {
      assertEquals(i, file.getMessageTypes().get(i).getIndex());
    }

    EnumDescriptor enumType = ForeignEnum.getDescriptor();
    assertEquals(enumType, file.getEnumTypes().get(0));
    assertEquals(enumType, file.findEnumTypeByName("ForeignEnum"));
    assertNull(file.findEnumTypeByName("NoSuchType"));
    assertNull(file.findEnumTypeByName("protobuf_unittest.ForeignEnum"));
    assertEquals(Arrays.asList(ImportEnum.getDescriptor()),
                 UnittestImport.getDescriptor().getEnumTypes());
    for (int i = 0; i < file.getEnumTypes().size(); i++) {
      assertEquals(i, file.getEnumTypes().get(i).getIndex());
    }

    ServiceDescriptor service = TestService.getDescriptor();
    assertEquals(service, file.getServices().get(0));
    assertEquals(service, file.findServiceByName("TestService"));
    assertNull(file.findServiceByName("NoSuchType"));
    assertNull(file.findServiceByName("protobuf_unittest.TestService"));
    assertEquals(Collections.emptyList(),
                 UnittestImport.getDescriptor().getServices());
    for (int i = 0; i < file.getServices().size(); i++) {
      assertEquals(i, file.getServices().get(i).getIndex());
    }

    FieldDescriptor extension =
      UnittestProto.optionalInt32Extension.getDescriptor();
    assertEquals(extension, file.getExtensions().get(0));
    assertEquals(extension,
                 file.findExtensionByName("optional_int32_extension"));
    assertNull(file.findExtensionByName("no_such_ext"));
    assertNull(file.findExtensionByName(
      "protobuf_unittest.optional_int32_extension"));
    assertEquals(Collections.emptyList(),
                 UnittestImport.getDescriptor().getExtensions());
    for (int i = 0; i < file.getExtensions().size(); i++) {
      assertEquals(i, file.getExtensions().get(i).getIndex());
    }
  }
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    if (cl.hasHelp()) {
      PstCommandLine.printHelp();
      System.exit(0);
    }

    FileDescriptor fd = PstFileDescriptor.load(
        cl.getProtoFile().getPath(),
        cl.shouldSaveJava() ? cl.getOutputDir() : Files.createTempDir(),
        cl.getProtoPath());
    if (fd == null) {
      System.err.println("Error: cannot find file descriptor for " + cl.getProtoFile());
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          .setNumber(1)
          .build())
        .build())
      .build();
    // translate and crosslink
    FileDescriptor file =
      Descriptors.FileDescriptor.buildFrom(fileDescriptorProto,
          new FileDescriptor[0]);
    // verify resulting descriptors
    assertNotNull(file);
    List<Descriptor> msglist = file.getMessageTypes();
    assertNotNull(msglist);
    assertTrue(msglist.size() == 2);
    boolean barFound = false;
    for (Descriptor desc : msglist) {
      if (desc.getName().equals("Bar")) {
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        .addDependency("foo.proto")
        .addDependency("bar.proto")
        .addPublicDependency(0)
        .addPublicDependency(1)
        .build();
    FileDescriptor fooFile = Descriptors.FileDescriptor.buildFrom(fooProto,
        new FileDescriptor[0]);
    FileDescriptor barFile = Descriptors.FileDescriptor.buildFrom(barProto,
        new FileDescriptor[] {fooFile});
   
    // Items in the FileDescriptor array can be in any order.
    Descriptors.FileDescriptor.buildFrom(bazProto,
        new FileDescriptor[] {fooFile, barFile});
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    FileDescriptorProto barProto = FileDescriptorProto.newBuilder()
        .setName("boo.proto")
        .addDependency("foo.proto")
        .addPublicDependency(1)  // Error, should be 0.
        .build();
    FileDescriptor fooFile = Descriptors.FileDescriptor.buildFrom(fooProto,
        new FileDescriptor[0]);
    try {
      Descriptors.FileDescriptor.buildFrom(barProto,
          new FileDescriptor[] {fooFile});
      fail("DescriptorValidationException expected");
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                .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});
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                .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});
  }
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                .setTypeName("bar.shared.MyEnum")
                .setName("MyField")
                .setNumber(1)))
        .build();
    // translate and crosslink
    FileDescriptor fooFile = Descriptors.FileDescriptor.buildFrom(
        fooProto, new FileDescriptor[0]);
    FileDescriptor barFile = Descriptors.FileDescriptor.buildFrom(
        barProto, new FileDescriptor[]{fooFile});
    // verify resulting descriptors
    assertNotNull(barFile);
    List<Descriptor> msglist = barFile.getMessageTypes();
    assertNotNull(msglist);
    assertTrue(msglist.size() == 1);
    Descriptor desc = msglist.get(0);
    if (desc.getName().equals("MyMessage")) {
      assertNotNull(desc.getFields());
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      assertEquals(type, FieldDescriptor.Type.valueOf(protoType));
    }
  }

  public void testFileDescriptor() throws Exception {
    FileDescriptor file = UnittestProto.getDescriptor();

    assertEquals("google/protobuf/unittest.proto", file.getName());
    assertEquals("protobuf_unittest", file.getPackage());

    assertEquals("UnittestProto", file.getOptions().getJavaOuterClassname());
    assertEquals("google/protobuf/unittest.proto",
                 file.toProto().getName());

    assertEquals(Arrays.asList(UnittestImport.getDescriptor()),
                 file.getDependencies());

    Descriptor messageType = TestAllTypes.getDescriptor();
    assertEquals(messageType, file.getMessageTypes().get(0));
    assertEquals(messageType, file.findMessageTypeByName("TestAllTypes"));
    assertNull(file.findMessageTypeByName("NoSuchType"));
    assertNull(file.findMessageTypeByName("protobuf_unittest.TestAllTypes"));
    for (int i = 0; i < file.getMessageTypes().size(); i++) {
      assertEquals(i, file.getMessageTypes().get(i).getIndex());
    }

    EnumDescriptor enumType = ForeignEnum.getDescriptor();
    assertEquals(enumType, file.getEnumTypes().get(0));
    assertEquals(enumType, file.findEnumTypeByName("ForeignEnum"));
    assertNull(file.findEnumTypeByName("NoSuchType"));
    assertNull(file.findEnumTypeByName("protobuf_unittest.ForeignEnum"));
    assertEquals(Arrays.asList(ImportEnum.getDescriptor()),
                 UnittestImport.getDescriptor().getEnumTypes());
    for (int i = 0; i < file.getEnumTypes().size(); i++) {
      assertEquals(i, file.getEnumTypes().get(i).getIndex());
    }

    ServiceDescriptor service = TestService.getDescriptor();
    assertEquals(service, file.getServices().get(0));
    assertEquals(service, file.findServiceByName("TestService"));
    assertNull(file.findServiceByName("NoSuchType"));
    assertNull(file.findServiceByName("protobuf_unittest.TestService"));
    assertEquals(Collections.emptyList(),
                 UnittestImport.getDescriptor().getServices());
    for (int i = 0; i < file.getServices().size(); i++) {
      assertEquals(i, file.getServices().get(i).getIndex());
    }

    FieldDescriptor extension =
      UnittestProto.optionalInt32Extension.getDescriptor();
    assertEquals(extension, file.getExtensions().get(0));
    assertEquals(extension,
                 file.findExtensionByName("optional_int32_extension"));
    assertNull(file.findExtensionByName("no_such_ext"));
    assertNull(file.findExtensionByName(
      "protobuf_unittest.optional_int32_extension"));
    assertEquals(Collections.emptyList(),
                 UnittestImport.getDescriptor().getExtensions());
    for (int i = 0; i < file.getExtensions().size(); i++) {
      assertEquals(i, file.getExtensions().get(i).getIndex());
    }
  }
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      assertEquals(type, FieldDescriptor.Type.valueOf(protoType));
    }
  }

  public void testFileDescriptor() throws Exception {
    FileDescriptor file = UnittestProto.getDescriptor();

    assertEquals("google/protobuf/unittest.proto", file.getName());
    assertEquals("protobuf_unittest", file.getPackage());

    assertEquals("UnittestProto", file.getOptions().getJavaOuterClassname());
    assertEquals("google/protobuf/unittest.proto",
                 file.toProto().getName());

    assertEquals(Arrays.asList(UnittestImport.getDescriptor()),
                 file.getDependencies());

    Descriptor messageType = TestAllTypes.getDescriptor();
    assertEquals(messageType, file.getMessageTypes().get(0));
    assertEquals(messageType, file.findMessageTypeByName("TestAllTypes"));
    assertNull(file.findMessageTypeByName("NoSuchType"));
    assertNull(file.findMessageTypeByName("protobuf_unittest.TestAllTypes"));
    for (int i = 0; i < file.getMessageTypes().size(); i++) {
      assertEquals(i, file.getMessageTypes().get(i).getIndex());
    }

    EnumDescriptor enumType = ForeignEnum.getDescriptor();
    assertEquals(enumType, file.getEnumTypes().get(0));
    assertEquals(enumType, file.findEnumTypeByName("ForeignEnum"));
    assertNull(file.findEnumTypeByName("NoSuchType"));
    assertNull(file.findEnumTypeByName("protobuf_unittest.ForeignEnum"));
    assertEquals(Arrays.asList(ImportEnum.getDescriptor()),
                 UnittestImport.getDescriptor().getEnumTypes());
    for (int i = 0; i < file.getEnumTypes().size(); i++) {
      assertEquals(i, file.getEnumTypes().get(i).getIndex());
    }

    ServiceDescriptor service = TestService.getDescriptor();
    assertEquals(service, file.getServices().get(0));
    assertEquals(service, file.findServiceByName("TestService"));
    assertNull(file.findServiceByName("NoSuchType"));
    assertNull(file.findServiceByName("protobuf_unittest.TestService"));
    assertEquals(Collections.emptyList(),
                 UnittestImport.getDescriptor().getServices());
    for (int i = 0; i < file.getServices().size(); i++) {
      assertEquals(i, file.getServices().get(i).getIndex());
    }

    FieldDescriptor extension =
      UnittestProto.optionalInt32Extension.getDescriptor();
    assertEquals(extension, file.getExtensions().get(0));
    assertEquals(extension,
                 file.findExtensionByName("optional_int32_extension"));
    assertNull(file.findExtensionByName("no_such_ext"));
    assertNull(file.findExtensionByName(
      "protobuf_unittest.optional_int32_extension"));
    assertEquals(Collections.emptyList(),
                 UnittestImport.getDescriptor().getExtensions());
    for (int i = 0; i < file.getExtensions().size(); i++) {
      assertEquals(i, file.getExtensions().get(i).getIndex());
    }
  }
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  • com.google.protobuf.ServiceTest
  • com.twitter.elephantbird.util.TestThriftToDynamicProto
  • io.druid.data.input.ProtoBufInputRowParser
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