Java Doc for StringTokenizer.java in  » 6.0-JDK-Modules » j2me » gov » nist » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » gov.nist.core   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    gov.nist.core.StringTokenizer All known Subclasses:   gov.nist.core.LexerCore, StringTokenizer public class StringTokenizer (Code) Base string token splitter. version:    JAIN-SIP-1.1 version:    This code is in the public domain. Field Summary protected  String buffer      Current buffer to be parsed.  char delimiter      Current token delimiter. protected  int ptr      Current offset int input buffer. protected  int savedPtr      Saved pointer for peek operations. Constructor Summary public   StringTokenizer()      Default constructor. public   StringTokenizer(String buffer)      Constructs a string tokenizer for input buffer. public   StringTokenizer(String buffer, char delimiter)      Constructs a string tokenizer for input buffer and specified field separator. Method Summary public  void consume()      Advances the current pointer to the saved peek pointer to consume the characters that were pending parsing completion. public  void consume(int k)      Consume the specified number of characters from the input buffer. public static  String convertNewLines(String s)      According to the RFC 3261, section 7.3.1: Header fields can be extended over multiple lines by preceding each extra line with at least one SP or horizontal tab (HT). public  String getLine()      Gets the next line of text. public  Vector getLines()      Gets a Vector of the buffer tokenized by lines. public  char getNextChar()      Gets one character in the input buffer and consumes the character. public  String getNextToken(char delim)      Gets the next token from the buffer. public static  String getSDPFieldName(String line)      Gets the SDP field name of the line. public  boolean hasMoreChars()      Checks if more characters are available. public static  boolean isAlpha(char ch)      Checks if the character is an alphabetic character. Parameters:   ch - the character to be checked. public static  boolean isDigit(char ch)      Checks if the character is a numeric character. Parameters:   ch - the character to be checked. public static  boolean isDigitString(String str)      Checks if the string contains numeric characters only. Parameters:   str - the string to be checked. public static  boolean isEscaped(String name, int index)      Checks if the given symbol belongs to the escaped group. public static  boolean isHexDigit(char ch)      Checks if character is part of a hexadecimal number. public static  boolean isQuotedPair(String name, int offset)      Checks if the given sequence is quoted pair. public static  boolean isValidChar(char ch)      Checks if the given character is allowed in method/header/parameter name. public  char lookAhead()      Looks ahead one character in the input buffer without consuming the character. public  char lookAhead(int k)      Looks ahead a specified number of characters in the input buffer without consuming the character. public  String nextToken()      Gets the next token. public  String peekLine()      Peeks at the next line without consuming the characters. Field Detail buffer protected String buffer(Code) Current buffer to be parsed. delimiter char delimiter(Code) Current token delimiter. ptr protected int ptr(Code) Current offset int input buffer. savedPtr protected int savedPtr(Code) Saved pointer for peek operations. Constructor Detail StringTokenizer public StringTokenizer()(Code) Default constructor. Resets the buffer offset to 0 and the default newline delimiter. StringTokenizer public StringTokenizer(String buffer)(Code) Constructs a string tokenizer for input buffer. Parameters:   buffer - the text to be parsed StringTokenizer public StringTokenizer(String buffer, char delimiter)(Code) Constructs a string tokenizer for input buffer and specified field separator. Parameters:   buffer - the text to be parsed Parameters:   delimiter - the field separator character Method Detail consume public void consume()(Code) Advances the current pointer to the saved peek pointer to consume the characters that were pending parsing completion. consume public void consume(int k)(Code) Consume the specified number of characters from the input buffer. Parameters:   k - the number of characters to advance thecurrent buffer offset convertNewLines public static String convertNewLines(String s)(Code) According to the RFC 3261, section 7.3.1: Header fields can be extended over multiple lines by preceding each extra line with at least one SP or horizontal tab (HT). The line break and the whitespace at the beginning of the next line are treated as a single SP character. This function converts all pairs of newline+space/tab in the string 's' into signle spaces. Parameters:   s - string to handle. processed string. getLine public String getLine()(Code) Gets the next line of text. characters up to the next newline getLines public Vector getLines()(Code) Gets a Vector of the buffer tokenized by lines. vector of tokens getNextChar public char getNextChar() throws ParseException(Code) Gets one character in the input buffer and consumes the character. the next character in the input buffer exception:   ParseException - if a parsing error occurs getNextToken public String getNextToken(char delim) throws ParseException(Code) Gets the next token from the buffer. Parameters:   delim - the field separator the next textual token exception:   ParseException - if a parsing error occurs getSDPFieldName public static String getSDPFieldName(String line)(Code) Gets the SDP field name of the line. Parameters:   line - the input buffer to be parsed the SDP field name hasMoreChars public boolean hasMoreChars()(Code) Checks if more characters are available. true if more characters can be processed isAlpha public static boolean isAlpha(char ch)(Code) Checks if the character is an alphabetic character. Parameters:   ch - the character to be checked. true if the character is alphabetic isDigit public static boolean isDigit(char ch)(Code) Checks if the character is a numeric character. Parameters:   ch - the character to be checked. true if the character is a deciomal digit isDigitString public static boolean isDigitString(String str)(Code) Checks if the string contains numeric characters only. Parameters:   str - the string to be checked. true if the string contains numeric characters only isEscaped public static boolean isEscaped(String name, int index)(Code) Checks if the given symbol belongs to the escaped group. The character is escaped if it is satisfies the next ABNF (see RFC3261 p.220): escaped = "%" HEXDIG HEXDIG Parameters:   name - the string to be parsed for escaped value Parameters:   index - shift inside parsed string true if string contains escaped value, false otherwise isHexDigit public static boolean isHexDigit(char ch)(Code) Checks if character is part of a hexadecimal number. Parameters:   ch - character to be checked true if the character is a hex digit isQuotedPair public static boolean isQuotedPair(String name, int offset)(Code) Checks if the given sequence is quoted pair. Parameters:   name - the string to be parsed for quoted pair Parameters:   offset - inside parsed string true if quoted pair is placed at name[offset], false otherwise isValidChar public static boolean isValidChar(char ch)(Code) Checks if the given character is allowed in method/header/parameter name. The character is valid if it is: (1) a digit or (2) a letter, or (3) is one of the characters on the next list: -.!%*_+`'~ Parameters:   ch - the character to check true if the character is valid, false otherwise lookAhead public char lookAhead() throws ParseException(Code) Looks ahead one character in the input buffer without consuming the character. the next character in the input buffer exception:   ParseException - if a parsing error occurs lookAhead public char lookAhead(int k) throws ParseException(Code) Looks ahead a specified number of characters in the input buffer without consuming the character. Parameters:   k - the number of characters to advance thecurrent buffer offset the requested character in the input buffer exception:   ParseException - if a parsing error occurs nextToken public String nextToken()(Code) Gets the next token. the next token, not including the field separator peekLine public String peekLine()(Code) Peeks at the next line without consuming the characters. the next line of text Methods inherited from java.lang.Object public boolean equals(Object obj)(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)