CallRingBack.java

/**
 * Copyright 2010 Voxeo Corporation
 *
 * 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 com.voxeo.moho.sample;

import java.net.URI;
import java.net.URISyntaxException;

import javax.media.mscontrol.join.Joinable;
import javax.media.mscontrol.mediagroup.MediaGroup;

import com.voxeo.moho.Application;
import com.voxeo.moho.ApplicationContext;
import com.voxeo.moho.IncomingCall;
import com.voxeo.moho.State;
import com.voxeo.moho.Participant.JoinType;
import com.voxeo.moho.media.output.AudioURIResource;
import com.voxeo.moho.media.output.OutputCommand;

public class CallRingBack implements Application {

  URI _media;

  @Override
  public void destroy() {

  }

  @Override
  public void init(final ApplicationContext ctx) {
    try {
      _media = new URI(ctx.getParameter("MediaLocation"));
    }
    catch (final URISyntaxException e) {
      throw new IllegalArgumentException(e);
    }
  }

  @State
  public void handleInvite(final IncomingCall call) {
    call.addObserver(this);
    call.acceptWithEarlyMedia();

    // set RTC, if the user press any button, stop the play.
    final OutputCommand outcommand = new OutputCommand(new AudioURIResource(_media));

    outcommand.addRTC(MediaGroup.SIGDET_STOPPLAY);

    call.prompt(outcommand, null, 30);
    call.join(call.getInvitee(), JoinType.BRIDGE, Joinable.Direction.DUPLEX);
  }
}