com.github.codedrinker:facebook-messenger

facebook-messenger

A most easily usable Facebook Messenger Platform API

Usage

<dependency>
  <groupId>com.github.codedrinker</groupId>
  <artifactId>facebook-messenger</artifactId>
  <version>1.0.0</version>
</dependency>

Use FMClicent.getInstance() to obtain API Instance.

 FMClient fmClient = FMClient.getInstance();

Use with* methods to set parameters to FMClient instance.

public class FMPPostbackHandler extends FMMessagePostBackHandler {
    @Override
    public void handle(FMReceiveMessage.Messaging message) {
        log.debug("FMPPostbackHandler handlePostBack, sender -> {}, postback -> {}", message.getSender(), message);
    }
}

FMClient fmClient = FMClient.getInstance();
FMPPostbackHandler fmpPostbackHandler = new FMPPostbackHandler();
fmClient.withAccessToken("token")
        .withAccessSecret("secret")
        .withFmMessagePostBackHandler(fmpPostbackHandler);

Use signature method to valid the payload.

StringBuilder buffer = new StringBuilder();
BufferedReader reader = request.getReader();
String line;
while ((line = reader.readLine()) != null) {
    buffer.append(line);
}
String payload = buffer.toString();
fmClient.signature(payload, xHubSignature);

Use dispatch method to dispatch payload message.

fmClient.dispatch(payload);

Road Map

1.0.0

Apache License

Copyright 2017 Chunlei Wang

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

http://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.