private void parseParams(String sParams) throws ServletParseException
{
StringTokenizer st = new StringTokenizer(sParams, ";");
while (st.hasMoreTokens())
{
String param = st.nextToken();
String name;
String value;
int index = param.indexOf('=');
if (index < 0)
{
name = param.trim();
value = "";
}
else
{
name = param.substring(0, index).trim();
value = param.substring(index + 1).trim();
}
if (!SipGrammar.__param.containsAll(name))
{
throw new ServletParseException("Invalid parameter name ["
+ name + "] in [" + _uri + "]");
}
if (!SipGrammar.__param.containsAll(value))
{
throw new ServletParseException("Invalid parameter value ["
+ value + "] in [" + _uri + "]");
}
_params.put(SipGrammar.unescape(name.toLowerCase()), SipGrammar.unescape(value));
}
}
public String toString()
{
if (_uri != null)
return _uri;
StringBuffer sb = new StringBuffer();
sb.append(_scheme).append(":");
sb.append(_file);
Iterator<String> it = getParameterNames();
while (it.hasNext())
{
String name = (String) it.next();
String value = getParameter(name);
sb.append(';');
sb.append(SipGrammar.escape(name, SipGrammar.__param));
if (value != null && value.length() > 0)
{
sb.append('=');
sb.append(SipGrammar.escape(value, SipGrammar.__param));
}
}
return sb.toString();
}
private void parse() throws ServletParseException
{
int indexScheme = _uri.indexOf(':');
if (indexScheme < 0)
throw new ServletParseException("Missing scheme in uri [" + _uri + "]");
_scheme = _uri.substring(0, indexScheme);
if (!SipGrammar.isURIScheme(_scheme))
throw new ServletParseException("Invalid scheme [" + _scheme + "] in uri [" + _uri + "]");
int indexParam = _uri.indexOf(';', indexScheme);
if (indexParam < 0)
{
_file = _uri.substring(indexScheme + 1);
}
else
{
_file = _uri.substring(indexScheme + 1, indexParam);
String sParams = _uri.substring(indexParam + 1);
parseParams(sParams);
}
}