Package com.google.protobuf.Descriptors

Examples of com.google.protobuf.Descriptors.FieldDescriptor

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    assertEquals(TestRequired.getDescriptor(),
                 nestedExtension.getExtensionScope());
  }

  public void testFieldDescriptorLabel() throws Exception {
    FieldDescriptor requiredField =
      TestRequired.getDescriptor().findFieldByName("a");
    FieldDescriptor optionalField =
      TestAllTypes.getDescriptor().findFieldByName("optional_int32");
    FieldDescriptor repeatedField =
      TestAllTypes.getDescriptor().findFieldByName("repeated_int32");

    assertTrue(requiredField.isRequired());
    assertFalse(requiredField.isRepeated());
    assertFalse(optionalField.isRequired());
    assertFalse(optionalField.isRepeated());
    assertFalse(repeatedField.isRequired());
    assertTrue(repeatedField.isRepeated());
  }
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    assertTrue(
      descriptor.getOptions().hasExtension(UnittestCustomOptions.messageOpt1));
    assertEquals(Integer.valueOf(-56),
      descriptor.getOptions().getExtension(UnittestCustomOptions.messageOpt1));

    FieldDescriptor field = descriptor.findFieldByName("field1");
    assertNotNull(field);

    assertTrue(
      field.getOptions().hasExtension(UnittestCustomOptions.fieldOpt1));
    assertEquals(Long.valueOf(8765432109L),
      field.getOptions().getExtension(UnittestCustomOptions.fieldOpt1));

    EnumDescriptor enumType =
      UnittestCustomOptions.TestMessageWithCustomOptions.AnEnum.getDescriptor();

    assertTrue(
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    if (desc.getName().equals("MyMessage")) {
      assertNotNull(desc.getFields());
      List<FieldDescriptor> fieldlist = desc.getFields();
      assertNotNull(fieldlist);
      assertTrue(fieldlist.size() == 1);
      FieldDescriptor field = fieldlist.get(0);
      assertTrue(field.getType() == FieldDescriptor.Type.ENUM);
      assertTrue(field.getEnumType().getName().equals("MyEnum"));
      assertTrue(field.getEnumType().getFile().getName().equals("bar.proto"));
      assertTrue(field.getEnumType().getFile().getPackage().equals(
          "a.b.c.d.bar.shared"));
    }  
  }
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    }  
  }

  public void testOneofDescriptor() throws Exception {
    Descriptor messageType = TestAllTypes.getDescriptor();
    FieldDescriptor field =
        messageType.findFieldByName("oneof_nested_message");
    OneofDescriptor oneofDescriptor = field.getContainingOneof();
    assertNotNull(oneofDescriptor);
    assertSame(oneofDescriptor, messageType.getOneofs().get(0));
    assertEquals("oneof_field", oneofDescriptor.getName());

    assertEquals(4, oneofDescriptor.getFieldCount());
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      "15: 0xabcdef1234567890\n",
      TextFormat.printToString(message));
  }

  public void testPrintField() throws Exception {
    final FieldDescriptor dataField =
      OneString.getDescriptor().findFieldByName("data");
    assertEquals(
      "data: \"test data\"\n",
      TextFormat.printFieldToString(dataField, "test data"));

    final FieldDescriptor optionalField =
      TestAllTypes.getDescriptor().findFieldByName("optional_nested_message");
    final Object value = NestedMessage.newBuilder().setBb(42).build();

    assertEquals(
      "optional_nested_message {\n  bb: 42\n}\n",
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    DynamicMessage copy = DynamicMessage.newBuilder(message).build();
    reflectionTester.assertAllFieldsSetViaReflection(copy);

    // Test oneof behavior
    FieldDescriptor bytesField =
        TestAllTypes.getDescriptor().findFieldByName("oneof_bytes");
    FieldDescriptor uint32Field =
        TestAllTypes.getDescriptor().findFieldByName("oneof_uint32");
    assertTrue(copy.hasField(bytesField));
    assertFalse(copy.hasField(uint32Field));
    DynamicMessage copy2 =
        DynamicMessage.newBuilder(message).setField(uint32Field, 123).build();
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    assertFalse(builder.hasOneof(oneof));
    assertSame(null, builder.getOneofFieldDescriptor(oneof));

    reflectionTester.setAllFieldsViaReflection(builder);
    assertTrue(builder.hasOneof(oneof));
    FieldDescriptor field = oneof.getField(3);
    assertSame(field, builder.getOneofFieldDescriptor(oneof));

    DynamicMessage message = builder.buildPartial();
    assertTrue(message.hasOneof(oneof));

    DynamicMessage.Builder mergedBuilder =
        DynamicMessage.newBuilder(TestAllTypes.getDescriptor());
    FieldDescriptor mergedField = oneof.getField(0);
    mergedBuilder.setField(mergedField, 123);
    assertTrue(mergedBuilder.hasField(mergedField));
    mergedBuilder.mergeFrom(message);
    assertTrue(mergedBuilder.hasField(field));
    assertFalse(mergedBuilder.hasField(mergedField));
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  }

  public void testGetFieldBuilder() {
    Descriptor descriptor = TestAllTypes.getDescriptor();

    FieldDescriptor fieldDescriptor =
        descriptor.findFieldByName("optional_nested_message");
    FieldDescriptor foreignFieldDescriptor =
        descriptor.findFieldByName("optional_foreign_message");
    FieldDescriptor importFieldDescriptor =
        descriptor.findFieldByName("optional_import_message");

    // Mutate the message with new field builder
    // Mutate nested message
    TestAllTypes.Builder builder1 = TestAllTypes.newBuilder();
    Message.Builder fieldBuilder1 = builder1.newBuilderForField(fieldDescriptor)
        .mergeFrom((Message) builder1.getField(fieldDescriptor));
    FieldDescriptor subFieldDescriptor1 =
        fieldBuilder1.getDescriptorForType().findFieldByName("bb");
    fieldBuilder1.setField(subFieldDescriptor1, 1);
    builder1.setField(fieldDescriptor, fieldBuilder1.build());

    // Mutate foreign message
    Message.Builder foreignFieldBuilder1 = builder1.newBuilderForField(
        foreignFieldDescriptor)
        .mergeFrom((Message) builder1.getField(foreignFieldDescriptor));
    FieldDescriptor subForeignFieldDescriptor1 =
        foreignFieldBuilder1.getDescriptorForType().findFieldByName("c");
    foreignFieldBuilder1.setField(subForeignFieldDescriptor1, 2);
    builder1.setField(foreignFieldDescriptor, foreignFieldBuilder1.build());

    // Mutate import message
    Message.Builder importFieldBuilder1 = builder1.newBuilderForField(
        importFieldDescriptor)
        .mergeFrom((Message) builder1.getField(importFieldDescriptor));
    FieldDescriptor subImportFieldDescriptor1 =
        importFieldBuilder1.getDescriptorForType().findFieldByName("d");
    importFieldBuilder1.setField(subImportFieldDescriptor1, 3);
    builder1.setField(importFieldDescriptor, importFieldBuilder1.build());

    Message newMessage1 = builder1.build();

    // Mutate the message with existing field builder
    // Mutate nested message
    TestAllTypes.Builder builder2 = TestAllTypes.newBuilder();
    Message.Builder fieldBuilder2 = builder2.getFieldBuilder(fieldDescriptor);
    FieldDescriptor subFieldDescriptor2 =
        fieldBuilder2.getDescriptorForType().findFieldByName("bb");
    fieldBuilder2.setField(subFieldDescriptor2, 1);
    builder2.setField(fieldDescriptor, fieldBuilder2.build());

    // Mutate foreign message
    Message.Builder foreignFieldBuilder2 = builder2.newBuilderForField(
        foreignFieldDescriptor)
        .mergeFrom((Message) builder2.getField(foreignFieldDescriptor));
    FieldDescriptor subForeignFieldDescriptor2 =
        foreignFieldBuilder2.getDescriptorForType().findFieldByName("c");
    foreignFieldBuilder2.setField(subForeignFieldDescriptor2, 2);
    builder2.setField(foreignFieldDescriptor, foreignFieldBuilder2.build());

    // Mutate import message
    Message.Builder importFieldBuilder2 = builder2.newBuilderForField(
        importFieldDescriptor)
        .mergeFrom((Message) builder2.getField(importFieldDescriptor));
    FieldDescriptor subImportFieldDescriptor2 =
        importFieldBuilder2.getDescriptorForType().findFieldByName("d");
    importFieldBuilder2.setField(subImportFieldDescriptor2, 3);
    builder2.setField(importFieldDescriptor, importFieldBuilder2.build());

    Message newMessage2 = builder2.build();
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    assertEquals(newMessage1, newMessage2);
  }

  public void testGetFieldBuilderWithInitializedValue() {
    Descriptor descriptor = TestAllTypes.getDescriptor();
    FieldDescriptor fieldDescriptor =
        descriptor.findFieldByName("optional_nested_message");

    // Before setting field, builder is initialized by default value.
    TestAllTypes.Builder builder = TestAllTypes.newBuilder();
    NestedMessage.Builder fieldBuilder =
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  }

  @Override
  protected void setField(Object r, String n, int pos, Object o, Object state) {
    Builder b = (Builder)r;
    FieldDescriptor f = ((FieldDescriptor[])state)[pos];
    switch (f.getType()) {
    case MESSAGE:
      if (o == null) {
        b.clearField(f);
        break;
      }
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