/*
* Inserts a provider at a specified position
*
* @param provider
* @param position
* @return
*/
public static int insertProviderAt(java.security.Provider provider, int position)
{
int size = providers.size();
if ((position < 1) || (position > size))
{
position = size + 1;
}
providers.add(position - 1, provider);
providersNames.put(provider.getName(), provider);
setNeedRefresh();
return(position);
}
private static TransformService findInstance(String algorithm,
String mechanismType, java.security.Provider provider)
{// throws NoSuchAlgorithmException {
if (provider == null)
{
provider = getProvider("TransformService", algorithm,
mechanismType);
}
java.security.Provider.Service ps = provider.getService("TransformService",
algorithm);
if (ps == null)
{
throw new java.security.NoSuchAlgorithmException("no such algorithm: " +
algorithm + " for provider " +
provider.getName());
}
TransformService ts = (TransformService)ps.newInstance(null);
ts.algorithm = algorithm;
ts.mechanism = mechanismType;
ts.provider = provider;
return(ts);
}
/*
* Removes the provider
*
* @param providerNumber
*/
public static void removeProvider(int providerNumber)
{
java.security.Provider p = providers.remove(providerNumber - 1);
providersNames.remove(p.getName());
setNeedRefresh();
}