/** Gets host of ViaHeader */
public String getHost() {
String sentby = getSentBy();
SipParser par = new SipParser(sentby);
par.goTo(':');
if (par.hasMore()) return sentby.substring(0, par.getPos());
else return sentby;
}
/** Gets "sent-by" parameter */
public String getSentBy() {
SipParser par = new SipParser(value);
par.goTo('/').skipChar().goTo('/').skipString().skipWSP();
if (!par.hasMore()) return null;
String sentby = value.substring(par.getPos(), par.indexOfSeparator());
return sentby;
}
/** Whether there is the specified parameter */
public boolean hasParameter(String name) {
SipParser par = new SipParser(url);
return ((SipParser) par.goTo(';').skipChar()).hasParameter(name);
}
/**
* Gets a String Vector of parameter names.
*
* @return null if no parameter is present
*/
public Vector getParameters() {
SipParser par = new SipParser(url);
return ((SipParser) par.goTo(';').skipChar()).getParameters();
}
/**
* Gets the value of specified parameter.
*
* @return null if parameter does not exist.
*/
public String getParameter(String name) {
SipParser par = new SipParser(url);
return ((SipParser) par.goTo(';').skipChar()).getParameter(name);
}
/** Gets the transport protocol */
public String getProtocol() {
SipParser par = new SipParser(value);
return par.goTo('/').skipChar().goTo('/').skipChar().skipWSP().getString();
}
/** Gets port of ViaHeader */
public int getPort() {
SipParser par = new SipParser(getSentBy());
par.goTo(':');
if (par.hasMore()) return par.skipChar().getInt();
return -1;
}