Example usage for org.springframework.social.facebook.web RealTimeUpdate getObject

Introduction

In this page you can find the example usage for org.springframework.social.facebook.web RealTimeUpdate getObject.

Prototype

public String getObject() 

Source Link

Usage

From source file:org.springframework.social.facebook.web.RealTimeUpdateController.java

/**
 * Receives an update from Facebook's real-time API.
 * @param subscription The subscription name.
 * @param payload The request body payload.
 * @param signature The SHA1 signature of the request.
 * @return a String with the response back to Facebook
 * @throws Exception an Exception if anything goes wrong while processing the update
 *///  w w w .  j  av a 2 s .com
@RequestMapping(value = "/{subscription}", method = POST)
public @ResponseBody String receiveUpdate(@PathVariable("subscription") String subscription,
        @RequestBody String payload, @RequestHeader(X_HUB_SIGNATURE) String signature) throws Exception {

    // Can only read body once and we need it as a raw String to calculate the signature.
    // Therefore, use Jackson ObjectMapper to give us a RealTimeUpdate object from that raw String.
    RealTimeUpdate update = new ObjectMapper().readValue(payload, RealTimeUpdate.class);
    if (verifySignature(payload, signature)) {
        logger.debug("Received " + update.getObject() + " update for '" + subscription + "'.");
        for (UpdateHandler handler : updateHandlers) {
            handler.handleUpdate(subscription, update);
        }
    } else {
        logger.warn("Received an update, but signature was invalid. Not delegating to handlers.");
    }
    return "";
}

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