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The free Java library for Asterisk PBX integration.

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package org.asteriskjava.pbx.agi;

import org.asteriskjava.fastagi.AgiChannel;
import org.asteriskjava.fastagi.AgiException;
import org.asteriskjava.pbx.AgiChannelActivityAction;
import org.asteriskjava.pbx.Channel;

import java.util.concurrent.CountDownLatch;

public class AgiChannelActivityDial implements AgiChannelActivityAction {

    CountDownLatch latch = new CountDownLatch(1);
    private String target;
    private String sipHeader;
    private String dialOptions;

    public AgiChannelActivityDial(String target, String dialOptions) {
        this.target = target;
        this.dialOptions = dialOptions;
    }

    public AgiChannelActivityDial(String fullyQualifiedName, String sipHeader, String dialOptions) {
        target = fullyQualifiedName;
        this.sipHeader = sipHeader;
        this.dialOptions = dialOptions;
    }

    @Override
    public void execute(AgiChannel channel, Channel ichannel) throws AgiException, InterruptedException {
        if (sipHeader != null) {
            channel.setVariable("__SIPADDHEADER", sipHeader);
        }
        // setting the activity to hold, means that when the call falls out of
        // the dial it'll go to hold.

        // also if some other code sets and activity and then redirects, we
        // won't over write it on the way out (if we did it after the dial
        // command)
        ichannel.setCurrentActivityAction(new AgiChannelActivityHold());
        channel.dial(target, 30, dialOptions);

    }

    @Override
    public boolean isDisconnect(ActivityAgi activityAgi) {
        return false;
    }

    @Override
    public void cancel() {
        latch.countDown();

    }
}