/*
* SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license. See terms of license at gnu.org.
*/
package net.java.sip.communicator.impl.neomedia;
import gnu.java.zrtp.ZrtpConfigure;
import gnu.java.zrtp.ZrtpConstants;
public class ZrtpConfigureUtils
{
public static <T extends Enum<T>>String getPropertyID(T algo)
{
Class<T> clazz = algo.getDeclaringClass();
return "net.java.sip.communicator." + clazz.getName().replace('$', '_');
}
public static ZrtpConfigure getZrtpConfiguration()
{
ZrtpConfigure active = new ZrtpConfigure();
setupConfigure(ZrtpConstants.SupportedPubKeys.DH2K, active);
setupConfigure(ZrtpConstants.SupportedHashes.S256, active);
setupConfigure(ZrtpConstants.SupportedSymCiphers.AES1, active);
setupConfigure(ZrtpConstants.SupportedSASTypes.B32, active);
setupConfigure(ZrtpConstants.SupportedAuthLengths.HS32, active);
return active;
}
private static <T extends Enum<T>> void
setupConfigure(T algo, ZrtpConfigure active)
{
String id = ZrtpConfigureUtils.getPropertyID(algo);
String savedConf
= NeomediaActivator.getConfigurationService().getString(id);
if (savedConf == null)
savedConf = "";
Class <T> clazz = algo.getDeclaringClass();
String savedAlgos[] = savedConf.split(";");
// Configure saved algorithms as active
for (String str : savedAlgos)
{
try
{
T algoEnum = Enum.valueOf(clazz, str);
if (algoEnum != null)
active.addAlgo(algoEnum);
}
catch (IllegalArgumentException e)
{
continue;
}
}
}
}