google_cloud_gax 0.1.2

google_cloud_gax: ^0.1.2 copied to clipboard

example/main.dart

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import 'package:google_cloud_gax/gax.dart';
import 'package:google_cloud_protobuf/protobuf.dart';
import 'package:googleapis_auth/auth_io.dart';

class AnalysisRequest implements JsonEncodable {
  final String text;

  AnalysisRequest(this.text);

  @override
  Object? toJson() => {
    'document': {'type': 'PLAIN_TEXT', 'content': text},
  };
}

void main() async {
  final httpClient = clientViaApiKey('<enter your API key here>');

  final serviceClient = ServiceClient(client: httpClient);
  final response = await serviceClient.post(
    Uri.https('language.googleapis.com', '/v2/documents:analyzeSentiment'),
    body: AnalysisRequest('I am very happy! Are you sad?'),
  );
  print(response);
  serviceClient.close();
}