private static ObjectMapper addCustomModules(ObjectMapper mapper, boolean intern) {
  // with this mixin UnconfiguredTargetNode properties are flattened with
  // UnconfiguredTargetNodeWithDeps
  // properties
  // for prettier view. It only works for non-typed serialization.
  mapper.addMixIn(
      UnconfiguredTargetNodeWithDeps.class,
      UnconfiguredTargetNodeWithDeps.UnconfiguredTargetNodeWithDepsUnwrappedMixin.class);

  // Serialize and deserialize UnconfiguredBuildTarget as string
  SimpleModule buildTargetModule = new SimpleModule("BuildTarget");
  buildTargetModule.addSerializer(UnconfiguredBuildTarget.class, new ToStringSerializer());
  buildTargetModule.addDeserializer(
      UnconfiguredBuildTarget.class,
      new FromStringDeserializer<UnconfiguredBuildTarget>(UnconfiguredBuildTarget.class) {
        @Override
        protected UnconfiguredBuildTarget _deserialize(
            String value, DeserializationContext ctxt) {
          return UnconfiguredBuildTargetParser.parse(value, intern);
        }
      });
  mapper.registerModule(buildTargetModule);
  mapper.registerModule(forwardRelativePathModule());
  return mapper;
}
 

private static SimpleModule forwardRelativePathModule() {
  SimpleModule module = new SimpleModule();
  module.addSerializer(ForwardRelativePath.class, new ToStringSerializer());
  module.addDeserializer(
      ForwardRelativePath.class,
      new FromStringDeserializer<ForwardRelativePath>(ForwardRelativePath.class) {
        @Override
        protected ForwardRelativePath _deserialize(String value, DeserializationContext ctxt)
            throws IOException {
          return ForwardRelativePath.of(value);
        }

        @Override
        protected ForwardRelativePath _deserializeFromEmptyString() throws IOException {
          return ForwardRelativePath.EMPTY;
        }
      });
  return module;
}
 

public InetJsonModule() {
  super(InetJsonModule.class.getSimpleName(), new Version(1, 0, 0, null, null, null));
  addSerializer(InetSocketAddress.class, ToStringSerializer.instance);
  addDeserializer(InetSocketAddress.class, new FromStringDeserializer<InetSocketAddress>(InetSocketAddress.class) {
    private static final long serialVersionUID = 1L;

    @Override
    protected InetSocketAddress _deserialize(String value, DeserializationContext ctxt) {
      return InetSocketAddressConverter.getInetSocketAddress(value);
    }
  });
}
 

public TerracottaJsonModule() {
  super(TerracottaJsonModule.class.getSimpleName(), new Version(1, 0, 0, null, null, null));
  addSerializer(Path.class, ToStringSerializer.instance);
  addDeserializer(Path.class, new FromStringDeserializer<Path>(Path.class) {
    private static final long serialVersionUID = 1L;

    @Override
    protected Path _deserialize(String value, DeserializationContext ctxt) {
      return Paths.get(value);
    }
  });
}