Package org.datanucleus.plugin

Class PluginParser.Parser

  • Enclosing class:
    PluginParser
    public static class PluginParser.Parser
extends java.lang.Object
    Parser for a list of Bundle-Description

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.text.CharacterIterator ci  
      private java.lang.String input  

    • Constructor Summary

      Constructors 
      Constructor Description
      Parser​(java.lang.String input)
      Constructor

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getIndex()
      Accessor for the current index in the input string.
      java.lang.String getInput()
      Accessor for the input string.
      private boolean isDecDigit​(char c)
      Utility to return if a character is a decimal digit.
      private boolean isHexDigit​(char c)
      Utility to return if a character is a hexadecimal digit.
      private boolean isOctDigit​(char c)
      Utility to return if a character is a octal digit.
      boolean nextIsComma()
      Utility to return if the next character is a comma.
      boolean nextIsDot()
      Utility to return if the next character is a dot.
      boolean nextIsSemiColon()
      Utility to return if the next character is a semi-colon.
      boolean nextIsSingleQuote()
      Utility to return if the next non-whitespace character is a single quote.
      boolean parseChar​(char c)
      Check if char c is found
      boolean parseChar​(char c, char unlessFollowedBy)
      Check if char c is found
      boolean parseEOS()
      Check if END OF TEXT is reach
      private char parseEscapedCharacter()
      Parse a escaped character
      java.lang.String parseIdentifier()
      Parse a java identifier from the current position.
      java.math.BigInteger parseIntegerLiteral()
      Parse an integer number from the current position.
      java.lang.String parseInterval()
      Parse an OSGi interval from the current position.
      java.lang.String parseName()
      Parses the text string (up to the next space) and returns it.
      java.util.Map parseParameters()  
      boolean parseString​(java.lang.String s)
      Check if String s is found
      boolean parseStringIgnoreCase​(java.lang.String s)
      Check if String s is found ignoring the case
      java.lang.String parseStringLiteral()
      Parse a String literal
      java.lang.String parseSymbolicName()  
      java.lang.String remaining()  
      int skipWS()
      Skip over any whitespace from the current position.
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Field Detail

      • input

        private final java.lang.String input

      • ci

        protected final java.text.CharacterIterator ci

    • Constructor Detail

      • Parser

        public Parser​(java.lang.String input)
        Constructor
        Parameters:
        input - The input string

    • Method Detail

      • getInput

        public java.lang.String getInput()
        Accessor for the input string.
        Returns:
        The input string.

      • getIndex

        public int getIndex()
        Accessor for the current index in the input string.
        Returns:
        The current index.

      • skipWS

        public int skipWS()
        Skip over any whitespace from the current position.
        Returns:
        The new position

      • parseEOS

        public boolean parseEOS()
        Check if END OF TEXT is reach
        Returns:
        true if END OF TEXT is reach

      • parseChar

        public boolean parseChar​(char c)
        Check if char c is found
        Parameters:
        c - the Character to find
        Returns:
        true if c is found

      • parseChar

        public boolean parseChar​(char c,
                         char unlessFollowedBy)
        Check if char c is found
        Parameters:
        c - the Character to find
        unlessFollowedBy - the character to validate it does not follow c
        Returns:
        true if c is found and not followed by unlessFollowedBy

      • parseIntegerLiteral

        public java.math.BigInteger parseIntegerLiteral()
        Parse an integer number from the current position.
        Returns:
        The integer number parsed (null if not valid).

      • parseString

        public boolean parseString​(java.lang.String s)
        Check if String s is found
        Parameters:
        s - the String to find
        Returns:
        true if s is found

      • parseStringIgnoreCase

        public boolean parseStringIgnoreCase​(java.lang.String s)
        Check if String s is found ignoring the case
        Parameters:
        s - the String to find
        Returns:
        true if s is found

      • parseIdentifier

        public java.lang.String parseIdentifier()
        Parse a java identifier from the current position.
        Returns:
        The identifier

      • parseInterval

        public java.lang.String parseInterval()
        Parse an OSGi interval from the current position.
        Returns:
        The interval

      • parseName

        public java.lang.String parseName()
        Parses the text string (up to the next space) and returns it. The name includes '.' characters. This can be used, for example, when parsing a class name wanting to read in the full name (including package) so that it can then be checked for existence in the CLASSPATH.
        Returns:
        The name

      • isDecDigit

        private final boolean isDecDigit​(char c)
        Utility to return if a character is a decimal digit.
        Parameters:
        c - The character
        Returns:
        Whether it is a decimal digit

      • isOctDigit

        private final boolean isOctDigit​(char c)
        Utility to return if a character is a octal digit.
        Parameters:
        c - The character
        Returns:
        Whether it is a octal digit

      • isHexDigit

        private final boolean isHexDigit​(char c)
        Utility to return if a character is a hexadecimal digit.
        Parameters:
        c - The character
        Returns:
        Whether it is a hexadecimal digit

      • nextIsSingleQuote

        public boolean nextIsSingleQuote()
        Utility to return if the next non-whitespace character is a single quote.
        Returns:
        Whether it is a single quote at the current point (ignoring whitespace)

      • nextIsDot

        public boolean nextIsDot()
        Utility to return if the next character is a dot.
        Returns:
        Whether it is a dot at the current point

      • nextIsComma

        public boolean nextIsComma()
        Utility to return if the next character is a comma.
        Returns:
        Whether it is a dot at the current point

      • nextIsSemiColon

        public boolean nextIsSemiColon()
        Utility to return if the next character is a semi-colon.
        Returns:
        Whether it is a semi-colon at the current point

      • parseStringLiteral

        public java.lang.String parseStringLiteral()
        Parse a String literal
        Returns:
        the String parsed. null if single quotes or double quotes is found
        Throws:
        NucleusUserException - if an invalid character is found or the CharacterIterator is finished

      • parseEscapedCharacter

        private char parseEscapedCharacter()
        Parse a escaped character
        Returns:
        the escaped char
        Throws:
        NucleusUserException - if a escaped character is not valid

      • remaining

        public java.lang.String remaining()

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • parseParameters

        public java.util.Map parseParameters()

      • parseSymbolicName

        public java.lang.String parseSymbolicName()