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package javax.media.cdm;

import java.util.*;

import javax.media.*;

import net.sf.fmj.registry.*;

/**
 * Internal implementation of javax.media.CaptureDeviceManager. Coding complete.
 *
 * @author Ken Larson
 */
public class CaptureDeviceManager extends javax.media.CaptureDeviceManager
{
    public static synchronized boolean addDevice(CaptureDeviceInfo newDevice)
    {
        return Registry.getInstance().addDevice(newDevice);
    }

    public static synchronized void commit() throws java.io.IOException
    {
        Registry.getInstance().commit();
    }

    public static synchronized CaptureDeviceInfo getDevice(String deviceName)
    {
        for (CaptureDeviceInfo captureDeviceInfo : getDeviceList())
        {
            if (captureDeviceInfo.getName().equals(deviceName))
                return captureDeviceInfo;
        }
        return null;
    }

    public static synchronized Vector getDeviceList() // not in javax.media.CaptureDeviceManager
    {
        return Registry.getInstance().getDeviceList();
    }

    public static synchronized Vector getDeviceList(Format format)
    {
        Vector result = new Vector();
        for (CaptureDeviceInfo captureDeviceInfo : getDeviceList())
        {
            if (format == null)
            {
                result.add(captureDeviceInfo);
            }
            else
            {
                for (Format aFormat : captureDeviceInfo.getFormats())
                {
                    if (format.matches(aFormat))
                    {
                        result.add(captureDeviceInfo);
                        break;
                    }
                }
            }

        }
        return result;
    }

    public static synchronized boolean removeDevice(CaptureDeviceInfo device)
    {
        return Registry.getInstance().removeDevice(device);
    }

    public CaptureDeviceManager()
    {
        super();
    }
}