private static string[] finishSplit(java.util.List <string> list, string input, int
begin, int maxSize, int limit)
{
// Add trailing text.
if (begin < input.Length)
{
list.add(Sharpen.StringHelper.Substring(input, begin));
}
else
{
if (limit != 0)
{
// No point adding the empty string if limit == 0, just to remove it below.
list.add(string.Empty);
}
}
// Remove all trailing empty matches in the limit == 0 case.
if (limit == 0)
{
int i = list.size() - 1;
while (i >= 0 && string.IsNullOrEmpty(list.get(i)))
{
list.remove(i);
i--;
}
}
// Convert to an array.
return(list.toArray(new string[list.size()]));
}
/// <summary> Removes a Primitive from the container
/// </summary>
/// <param name="p">primitive to delete
///
/// </param>
public virtual void removePrimitive(Primitive p)
{
if (p is ConnectorLine)
{
lines.remove(p);
}
if (p is Shape)
{
shapes.remove(p);
}
repaint();
}
/**
* Returns the array of providers which meet the user supplied set of
* filters. The filter must be supplied in one of two formats:
* <nl>
* <li> CRYPTO_SERVICE_NAME.ALGORITHM_OR_TYPE</li>
* <p/>
* for example: "MessageDigest.SHA" The value associated with the key must
* be an empty string. <li> CRYPTO_SERVICE_NAME.ALGORITHM_OR_TYPE</li>
* ATTR_NAME:ATTR_VALUE
* <p/>
* for example: "Signature.MD2withRSA KeySize:512" where "KeySize:512" is
* the value of the filter map entry.
* </nl>
*
* @param filter
* case-insensitive filter.
* @return the providers which meet the user supplied string filter {@code
* filter}. A {@code null} value signifies that none of the
* installed providers meets the filter specification.
* @throws InvalidParameterException
* if an unusable filter is supplied.
* @throws NullPointerException
* if {@code filter} is {@code null}.
*/
public static Provider[] getProviders(java.util.Map <String, String> filter)
{
lock (lockJ)
{
if (filter == null)
{
throw new java.lang.NullPointerException("The filter is null"); //$NON-NLS-1$
}
if (filter.isEmpty())
{
return(null);
}
java.util.List <Provider> result = Services.getProvidersList();
java.util.Set <java.util.MapNS.Entry <String, String> > keys = filter.entrySet();
java.util.MapNS.Entry <String, String> entry;
for (java.util.Iterator <java.util.MapNS.Entry <String, String> > it = keys.iterator(); it.hasNext();)
{
entry = it.next();
String key = entry.getKey();
String val = entry.getValue();
String attribute = null;
int i = key.indexOf(' ');
int j = key.indexOf('.');
if (j == -1)
{
throw new InvalidParameterException("The filter is not in the required format"); //$NON-NLS-1$
}
if (i == -1)
{ // <crypto_service>.<algorithm_or_type>
if (val.length() != 0)
{
throw new InvalidParameterException("The filter is not in the required format"); //$NON-NLS-1$
}
}
else
{ // <crypto_service>.<algorithm_or_type> <attribute_name>
if (val.length() == 0)
{
throw new InvalidParameterException("The filter is not in the required format"); //$NON-NLS-1$
}
attribute = key.substring(i + 1);
if (attribute.trim().length() == 0)
{
throw new InvalidParameterException("The filter is not in the required format"); //$NON-NLS-1$
}
key = key.substring(0, i);
}
String serv = key.substring(0, j);
String alg = key.substring(j + 1);
if (serv.length() == 0 || alg.length() == 0)
{
throw new InvalidParameterException("The filter is not in the required format"); //$NON-NLS-1$
}
Provider p;
for (int k = 0; k < result.size(); k++)
{
try
{
p = result.get(k);
}
catch (java.lang.IndexOutOfBoundsException)
{
break;
}
if (!p.implementsAlg(serv, alg, attribute, val))
{
result.remove(p);
k--;
}
}
}
if (result.size() > 0)
{
return(result.toArray(new Provider[result.size()]));
}
return(null);
}
}