io.freeswitch.command.OriginateCommand.java Source code

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Here is the source code for io.freeswitch.command.OriginateCommand.java

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/*
 * Copyright 2015.
 *
 * 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.
 */
package io.freeswitch.command;

import io.freeswitch.ChannelVariable;
import io.freeswitch.IEndPoint;
import org.apache.commons.lang3.StringUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

/**
 * Originate. It is used to originate a new call.
 *
 * @author Arsene Tochemey GANDOTE
 */
public class OriginateCommand extends BaseCommand {

    /**
     * originate uuid.
     */
    public UUID originateId;
    /**
     * call session heartbeat. very useful while billing a call.
     */
    public int sessionHeartbeat;
    /**
     * Additional attributes to add to the originate command
     */
    public String option;
    /**
     * originate channel variables
     */
    private List<ChannelVariable> _channelVariables;
    private IEndPoint _destination;
    private IEndPoint _application;

    public OriginateCommand(IEndPoint destination, IEndPoint application) {
        _destination = destination;
        _application = application;
        _channelVariables = new ArrayList<ChannelVariable>();
    }

    @Override
    public String argument() {
        AddVariable("origination_uuid", originateId.toString());
        AddVariable("ignore_early_media", "true");
        AddVariable("enable_heartbeat_events", String.valueOf(sessionHeartbeat));

        String variables = "";
        if (_channelVariables.isEmpty()) {
            for (ChannelVariable channelVariable : _channelVariables) {
                variables += channelVariable.toString() + ",";
            }

            if (StringUtils.isEmpty(option))
                variables = "{" + StringUtils.removeEnd(variables, ",") + "}";
            else
                variables = "{" + option + "," + StringUtils.removeEnd(variables, ",") + "}";
        }

        return String.format("%1s %2s %3s", variables, _destination.toDialString(), _application.toDialString());

    }

    @Override
    public String command() {
        return "originate";
    }

    /**
     * Helps set originate channel variables
     *
     * @param name  variable name
     * @param value variable value
     */
    public void AddVariable(String name, String value) {
        _channelVariables.add(new ChannelVariable(name, value));
    }
}