joynr.messaging.MessageReplyToAddressCalculator.js Maven / Gradle / Ivy

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JOYnr JavaScript libjoynr-js

There is a newer version: 1.4.0

/*jslint es5: true, nomen: true, node: true */

/*
 * #%L
 * %%
 * Copyright (C) 2011 - 2017 BMW Car IT GmbH
 * %%
 * 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.
 * #L%
 */
var JoynrMessage = require("./JoynrMessage");

/**
 * @name MessageReplyToAddressCalculator
 * @constructor
 * @param {Object} settings the settings object for this constructor call
 * @param {Address} settings.replyToAddress the address the reply should be send to
 */
function MessageReplyToAddressCalculator(settings) {
    this._replyToAddress = undefined;
    this._checkExistingReplyAddress = true;

    if (settings.replyToAddress !== undefined) {
        this.setReplyToAddress(settings.replyToAddress);
    }
}

MessageReplyToAddressCalculator.prototype._checkForExistingReplyToAddress = function() {
    if (this._checkExistingReplyAddress && this._replyToAddress === undefined) {
        throw new Error("MessageReplyToAddressCalculator: replyToAddress not specified!");
    }
};

/**
 * Helper function allowing to share the serialized reply to address with the calculator after object creation
 */
MessageReplyToAddressCalculator.prototype.setReplyToAddress = function(serializedAddress) {
    this._replyToAddress = serializedAddress;
    if (this._replyToAddress !== undefined) {
        //disable check implementation
        this._checkExistingReplyAddress = false;
    }
};

MessageReplyToAddressCalculator.prototype.setReplyTo = function(message) {
    var type = message.type;
    if (
        type !== undefined &&
        message.replyChannelId === undefined &&
        (type === JoynrMessage.JOYNRMESSAGE_TYPE_REQUEST ||
            type === JoynrMessage.JOYNRMESSAGE_TYPE_SUBSCRIPTION_REQUEST ||
            type === JoynrMessage.JOYNRMESSAGE_TYPE_BROADCAST_SUBSCRIPTION_REQUEST ||
            type === JoynrMessage.JOYNRMESSAGE_TYPE_MULTICAST_SUBSCRIPTION_REQUEST)
    ) {
        this._checkForExistingReplyToAddress();
        message.replyChannelId = this._replyToAddress;
    }
};

module.exports = MessageReplyToAddressCalculator;