| Methods Summary |
|---|
| private java.lang.String | base_phone_number()Parses for the base phone number.
StringBuffer s = new StringBuffer();
if (debug) dbg_enter("base_phone_number");
try {
int lc = 0;
while (lexer.hasMoreChars()) {
char w = lexer.lookAhead(0);
if (LexerCore.isDigit(w) || w == '-" || w == '." || w == '("
|| w == ')") {
lexer.consume(1);
s.append(w);
lc ++;
} else if (lc > 0) break;
else throw createParseException("unexpected " + w);
}
return s.toString();
} finally {
if (debug) dbg_leave("base_phone_number");
}
|
| protected java.lang.String | escaped()Gets the escaped character sequence.
if (debug) dbg_enter("escaped");
try {
StringBuffer retval = new StringBuffer();
char next = lexer.lookAhead(0);
char next1 = lexer.lookAhead(1);
char next2 = lexer.lookAhead(2);
if (next == '%" && Lexer.isHexDigit(next1)
&& Lexer.isHexDigit(next2)) {
lexer.consume(3);
retval.append(next);
retval.append(next1);
retval.append(next2);
} else throw createParseException("escaped");
return retval.toString();
} finally {
if (debug) dbg_leave("escaped");
}
|
| private final TelephoneNumber | global_phone_number()Gets the global phone number.
if (debug) dbg_enter("global_phone_number");
try {
TelephoneNumber tn = new TelephoneNumber();
tn.setGlobal(true);
NameValueList nv = null;
this.lexer.match(PLUS);
String b = base_phone_number();
tn.setPhoneNumber(b);
if (lexer.hasMoreChars()) {
char tok = lexer.lookAhead(0);
if (tok == ';") {
nv = tel_parameters();
tn.setParameters(nv);
}
}
return tn;
} finally {
if (debug) dbg_leave("global_phone_number");
}
|
| protected java.lang.String | hvalue()Gets a header value.
StringBuffer retval = new StringBuffer();
while (lexer.hasMoreChars()) {
char la = lexer.lookAhead(0);
// Look for a character that can terminate a URL.
if (la == '+" || la == '?" || la == ':" || la == '@"
|| la == '[" || la == ']" || la == '/" || la == '$"
|| la == '_" || la == '-" || la == '"" || la == '!"
|| la == '~" || la == '*" || la == '." || la == '("
|| la == ')" || LexerCore.isAlpha(la)
|| LexerCore.isDigit(la)) {
lexer.consume(1);
retval.append(la);
} else if (la == '%") {
retval.append(escaped());
} else break;
}
return retval.toString();
|
| private boolean | isCharFromString(int ch, java.lang.String str)Checks that the given symbol contains into a string.
return (str.indexOf(ch) != -1);
|
| private boolean | isDtmf_digit(int ch)Checks that the given symbol is a dtmf digit.
RFC 2806, 2.2
dtmf-digit = "*" / "#" / "A" / "B" / "C" / "D"
return isCharFromString(ch, DTMF_DIGIT);
|
| protected boolean | isEscaped()Checks if current character is escaped.
try {
char next = lexer.lookAhead(0);
char next1 = lexer.lookAhead(1);
char next2 = lexer.lookAhead(2);
return (next == '%" && Lexer.isHexDigit(next1)
&& Lexer.isHexDigit(next2));
} catch (ParseException ex) {
return false;
}
|
| protected static boolean | isMark(char next)Checks if character is punctuation mark.
return
next == '-" ||
next == '_" ||
next == '." ||
next == '!" ||
next == '~" ||
next == '*" ||
next == '\'"||
next == '(" ||
next == ')";
|
| private boolean | isPauseChar(int ch)Checks that the given symbol is a pause character.
pause-character = one-second-pause / wait-for-dial-tone
one-second-pause = "p"
wait-for-dial-tone = "w"
return isCharFromString(ch, PAUSE_CHAR);
|
| private boolean | isPhoneDigit(int ch)Checks that the given symbol os a phonedigit.
RFC 2806, 2.2
phonedigit = DIGIT / visual-separator
visual-separator = "-" / "." / "(" / ")"
return isCharFromString(ch, PHONE_DIGIT);
|
| protected static boolean | isReserved(char next)Checks if character is reserved.
return next == ';" ||
next == '/" ||
next == '?" ||
next == ':" ||
next == '@" ||
next == '&" ||
next == '+" ||
next == '$" ||
next == '=" ||
next == ',";
|
| protected static boolean | isReservedNoSlash(char next)Checks if reserved character without a slash.
return
next == ';" ||
next == '?" ||
next == ':" ||
next == '@" ||
next == '&" ||
next == '+" ||
next == '$" ||
next == ',";
|
| protected static boolean | isUnreserved(char next)Checks if character is reserved.
return Lexer.isAlpha(next) || Lexer.isDigit(next) || isMark(next);
|
| protected static boolean | isUserUnreserved(char la)Checks if user is unreserved.
return la == '&" ||
la == '?" ||
la == '+" ||
la == '$" ||
la == '#" ||
la == '/" ||
la == '," ||
la == ';" ||
la == '=";
|
| private java.lang.String | local_number()Parses for the local phone number.
StringBuffer s = new StringBuffer();
if (debug) dbg_enter("local_number");
try {
int lc = 0;
while (lexer.hasMoreChars()) {
char la = lexer.lookAhead(0);
if (la == '*" || la == '#" || la == '-" ||
la == '." || la == '(" || la == ')" ||
LexerCore.isDigit(la)) {
lexer.consume(1);
s.append(la);
lc ++;
} else if (lc > 0) break;
else throw createParseException("unexepcted " + la);
}
return s.toString();
} finally {
if (debug) dbg_leave("local_number");
}
|
| private TelephoneNumber | local_phone_number()Gets the local phone number.
if (debug) dbg_enter("local_phone_number");
TelephoneNumber tn = new TelephoneNumber();
tn.setGlobal(false);
NameValueList nv = null;
String b = null;
try {
b = local_number();
tn.setPhoneNumber(b);
if (lexer.hasMoreChars()) {
Token tok = this.lexer.peekNextToken();
switch (tok.getTokenType()) {
case SEMICOLON: {
nv = tel_parameters();
tn.setParameters(nv);
break;
}
default: {
break;
}
}
}
} finally {
if (debug) dbg_leave("local_phone_number");
}
return tn;
|
| protected java.lang.String | mark()Remembers the current stream position.
if (debug) dbg_enter("mark");
try {
char next = lexer.lookAhead(0);
if (isMark(next)) {
lexer.consume(1);
return new StringBuffer().append(next).toString();
} else throw createParseException("mark");
} finally {
if (debug) dbg_leave("mark");
}
|
| protected java.lang.String | paramNameOrValue()Name or value of a parameter.
StringBuffer retval = new StringBuffer();
while (lexer.hasMoreChars()) {
char next = lexer.lookAhead(0);
if (next == '[" || next == '[" || next == '/" ||
next == ':" || next == '&" || next == '+" ||
next == '$" || next == '#" || isUnreserved(next)) {
retval.append(next);
lexer.consume(1);
} else if (isEscaped()) {
String esc = lexer.charAsString(3);
lexer.consume(3);
retval.append(esc);
} else break;
}
return retval.toString();
|
| public URI | parse()Default parse method. This method just calls uriReference.
return uriReference();
|
| public final TelephoneNumber | parseTelephoneNumber()Parses for telephone subscriber.
TelephoneNumber tn;
if (debug) dbg_enter("telephone_subscriber");
lexer.selectLexer("charLexer");
try {
char c = lexer.lookAhead(0);
if (c == '+") tn = global_phone_number();
else if (LexerCore.isAlpha(c) || LexerCore.isDigit(c) ||
c == '-" || c == '*" || c == '." ||
c == '(" || c == ')" || c == '#") {
tn = local_phone_number();
} else throw createParseException("unexpected char " + c);
return tn;
} finally {
if (debug) dbg_leave("telephone_subscriber");
}
|
| public URI | parseWholeString()Parse method with checking the rest of input URL.
URI retValue = uriReference();
if (lexer.hasMoreChars()) {
throw createParseException("redundant symbols");
}
return retValue;
|
| protected java.lang.String | password()Gets the password field from the URI.
StringBuffer retval = new StringBuffer();
while (true) {
char la = lexer.lookAhead(0);
if (isUnreserved(la) || la == '&" || la == '=" ||
la == '+" || la == '$" || la == ',") {
retval.append(la);
lexer.consume(1);
} else if (isEscaped()) {
String esc = lexer.charAsString(3);
retval.append(esc);
// CR FIX from Jeff Haynie frm JAIN-SIP
lexer.consume(3);
} else break;
}
return retval.toString();
|
| public java.lang.String | peekScheme()Peeks at the scheme field.
Vector tokens = lexer.peekNextToken(1);
if (tokens.size() == 0)
return null;
String scheme = ((Token)tokens.elementAt(0)).getTokenValue();
return scheme;
|
| protected NameValue | qheader()Gets a name value for a given query header (ie one that comes
after the ?).
String name = lexer.getNextToken('=");
lexer.consume(1);
String value = hvalue();
return new NameValue(name, value);
|
| protected java.lang.String | reserved()Gets the listof reserved characters.
char next = lexer.lookAhead(0);
if (isReserved(next)) {
lexer.consume(1);
return new StringBuffer().append(next).toString();
} else throw createParseException("reserved");
|
| public SipURI | sipURL(Token token)Parses and returns a structure for a SIP URL.
if (debug) dbg_enter("sipURL");
char la;
SipURI retval = new SipURI();
try {
lexer.match(token.getTokenType());
lexer.match(':");
retval.setScheme(token.getTokenValue());
if (!lexer.hasMoreChars()) { // sip: - server dedicated URI
retval.setServer();
return retval;
}
int m = lexer.markInputPosition();
// get user part
String user = user();
if (!lexer.hasMoreChars()) { // nosymbols after user name
lexer.rewindInputPosition(m); // move to start of host
} else { // check symbols after user name
// maybe sip:host
la = lexer.lookAhead(0);
// check that user field is not empty
if (la == ':" || la == '@") { // sip:user@... or sip:user:pass
if (user.length() == 0) {
throw new
IllegalArgumentException("User field is missed");
}
if (la == ':") {
// sip:user:passw...
lexer.consume(1);
String password = password();
if (!lexer.hasMoreChars()
|| lexer.lookAhead(0) != '@") {
if (StringTokenizer.isDigitString(password)) {
// maybe sip:host:port - move to start of host
lexer.rewindInputPosition(m);
} else { // sip:user:pass<wrong symbol>
throw new IllegalArgumentException
("Expecting \"@\"");
}
} else { // sip:user:pass@...
retval.setUser(user);
retval.setUserPassword(password);
lexer.consume(1);
}
} else { // la == '@'
retval.setUser(user);
lexer.consume(1);
}
} else { // no '@' after user field - maybe sip:host...
lexer.rewindInputPosition(m); // move to start of host
}
}
// check for sip:*
la = lexer.lookAhead(0);
if (la == '*") {
lexer.consume(1);
// server shared URI
retval.setServer();
retval.setShared();
} else if (la == ';") { // sip:;...
retval.setServer();
} else { // try to read host
// host parsing
HostNameParser hnp = new HostNameParser(this.getLexer());
HostPort hp = hnp.hostPort();
String host = hp.getHost().getHostname();
if (host == null) { // maybe sip:5060
if (hp.hasPort()) { // port only - server URI
retval.setServer();
} else { // sip:1234:5678 - wrong format
throw new
IllegalArgumentException("Illegal URI format");
}
}
retval.setHostPort(hp);
}
lexer.selectLexer("charLexer");
// parse parameters
while (lexer.hasMoreChars()) {
if (lexer.lookAhead(0) != ';") break;
lexer.consume(1);
NameValue parms = uriParam();
if (retval.hasParameter(parms.getName())) {
throw new IllegalArgumentException(
"Found duplicate of parameter ");
}
if (parms.isValueQuoted() && !retval.isServer()) {
throw new IllegalArgumentException(
"Client URI cannot contain quoted parameter ");
}
retval.setUriParameter(parms);
}
if (lexer.hasMoreChars() && lexer.lookAhead(0) == '?") {
if (retval.isServer()) {
throw new IllegalArgumentException(
"Server URI cannot contain headers");
}
lexer.consume(1);
while (lexer.hasMoreChars()) {
NameValue parms = qheader();
retval.setQHeader(parms);
if (lexer.hasMoreChars() &&
lexer.lookAhead(0) != '&") break;
else lexer.consume(1);
}
}
return retval;
} finally {
if (debug) dbg_leave("sipURL");
}
|
| public TelURL | telURL()Parses and returns a structure for a Tel URL.
lexer.match(TokenTypes.TEL);
lexer.match(':");
TelephoneNumber tn = this.parseTelephoneNumber();
TelURL telUrl = new TelURL();
telUrl.setTelephoneNumber(tn);
return telUrl;
|
| private NameValueList | tel_parameters()Gets the telephone field parameters.
NameValueList nvList = new NameValueList();
while (lexer.hasMoreChars()) {
lexer.consume(1);
NameValue nv = uriParam();
String nameParam = nv.getName();
String valueParam = (String)(nv.getValue());
if (nameParam.equalsIgnoreCase("isub")) {
// RFC 2806, 2.2
// isdn-subaddress = ";isub=" 1*phonedigit
// phonedigit = DIGIT / visual-separator
// visual-separator = "-" / "." / "(" / ")"
byte[] valueBytes = valueParam.getBytes();
for (int i = 0; i < valueBytes.length; i++) {
if (!isPhoneDigit(valueBytes[i])) {
throw new
IllegalArgumentException("Wrong isdn-subaddress");
}
}
} else if (nameParam.equalsIgnoreCase("postd")) {
// RFC 2806, 2.2
// post-dial = ";postd=" 1*(phonedigit /
// dtmf-digit / pause-character)
// dtmf-digit = "*" / "#" / "A" / "B" / "C" / "D"
// pause-character = one-second-pause / wait-for-dial-tone
// one-second-pause = "p"
// wait-for-dial-tone = "w"
byte[] valueBytes = valueParam.getBytes();
for (int i = 0; i < valueBytes.length; i++) {
int ch = valueBytes[i];
if (!isPhoneDigit(ch) && !isDtmf_digit(ch) &&
!isPauseChar(ch)) {
throw new
IllegalArgumentException("Wrong post-dial");
}
}
}
nvList.add(nv);
char tok = lexer.lookAhead(0);
if (tok == ';") continue;
else break;
}
return nvList;
|
| protected java.lang.String | unreserved()Gets the unreserved string of characters.
char next = lexer.lookAhead(0);
if (isUnreserved(next)) {
lexer.consume(1);
return new StringBuffer().append(next).toString();
} else throw createParseException("unreserved");
|
| protected NameValue | uriParam()Gets the URI pamaeter.
if (debug) dbg_enter("uriParam");
try {
String pvalue = null;
String pname = paramNameOrValue();
char next = lexer.lookAhead(0);
if (next == LexerCore.EQUALS) {
lexer.consume(1);
next = lexer.lookAhead(0);
if (next == LexerCore.DOUBLEQUOTE) {
pvalue =
"\"" + lexer.quotedString() + "\""; // quoted param
} else { // unquoted parameter
pvalue = paramNameOrValue();
}
}
return new NameValue(pname, (pvalue == null) ? "" : pvalue);
} finally {
if (debug) dbg_leave("uriParam");
}
|
| public URI | uriReference()Parses and return a structure for a generic URL.
Note that non SIP URLs are just stored as a string (not parsed).
if (debug) dbg_enter("uriReference");
URI retval = null;
Vector vect = lexer.peekNextToken(2);
Token t1 = (Token) vect.elementAt(0);
Token t2 = (Token) vect.elementAt(1);
try {
// System.out.println("token = " + t1.getTokenValue());
// System.out.println("tokentype = " + t1.getTokenType());
int type1, type2;
type1 = t1.getTokenType();
// Create an URI
if (t2.getTokenType() == ':") {
if (type1 == TokenTypes.SIP || type1 == TokenTypes.SIPS) {
// SIP or SIPS URL
retval = sipURL(t1);
} else if (type1 == TokenTypes.TEL) {
// TEL URL
retval = telURL();
} else {
// Generic URL
/*
* We can't throw an exception here because according to
* RFC 3261, p. 224 the scheme may be different from
* sip/sips/tel.
* In Connector.open(scheme) only 'sip' and 'sips'
* schemes are allowed, but this is not a problem
* because the package path where VM will try to find
* Protocol.class contains the scheme's name and an
* exception will be thrown if it is invalid.
*/
retval = new URI(lexer.getString('>"));
int pos = lexer.markInputPosition();
// It's safe to use 'pos-1' because at least
// one character ('>') was read from the buffer.
lexer.rewindInputPosition(pos - 1);
}
} else {
throw createParseException("Expecting \':\'");
}
} finally {
if (debug) dbg_leave("uriReference");
}
return retval;
|
| protected java.lang.String | uric()Gets the uric.
if (debug) dbg_enter("uric");
try {
try {
char la = lexer.lookAhead(0);
if (isUnreserved(la)) {
lexer.consume(1);
return Lexer.charAsString(la);
} else if (isReserved(la)) {
lexer.consume(1);
return Lexer.charAsString(la);
} else if (isEscaped()) {
String retval = lexer.charAsString(3);
lexer.consume(3);
return retval;
} else return null;
} catch (ParseException ex) {
return null;
}
} finally {
if (debug) dbg_leave("uric");
}
|
| protected java.lang.String | uricNoSlash()Gets the uric without slashes.
if (debug) dbg_enter("uricNoSlash");
try {
try {
char la = lexer.lookAhead(0);
if (isEscaped()) {
String retval = lexer.charAsString(3);
lexer.consume(3);
return retval;
} else if (isUnreserved(la)) {
lexer.consume(1);
return Lexer.charAsString(la);
} else if (isReservedNoSlash(la)) {
lexer.consume(1);
return Lexer.charAsString(la);
} else return null;
} catch (ParseException ex) {
return null;
}
} finally {
if (debug) dbg_leave("uricNoSlash");
}
|
| protected java.lang.String | uricString()Gets the uric string.
StringBuffer retval = new StringBuffer();
while (true) {
String next = uric();
if (next == null) break;
retval.append(next);
}
return retval.toString();
|
| protected java.lang.String | urlString()Scans forward until you hit a terminating character for a URL.
We do not handle non sip urls in this implementation.
StringBuffer retval = new StringBuffer();
lexer.selectLexer("charLexer");
while (lexer.hasMoreChars()) {
char la = lexer.lookAhead(0);
// Look for a character that can terminate a URL.
if (la == ' " || la == '\t" || la == '\n" ||
la == '>" || la == '<") break;
lexer.consume(0);
retval.append(la);
}
return retval.toString();
|
| protected java.lang.String | user()Gets the user field from the URI.
if (debug) dbg_enter("user");
try {
StringBuffer retval = new StringBuffer();
while (lexer.hasMoreChars()) {
char la = lexer.lookAhead(0);
if (isUnreserved(la) ||
isUserUnreserved(la)) {
retval.append(la);
lexer.consume(1);
} else if (isEscaped()) {
String esc = lexer.charAsString(3);
lexer.consume(3);
retval.append(esc);
} else break;
}
return retval.toString();
} finally {
if (debug) dbg_leave("user");
}
|
