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| java.lang.Object
 org.jpox.store.query.Parser
All known Subclasses: org.jpox.store.query.JPQLParser,
| Parser | | public class Parser (Code) | | Parser for a Query. The query can be JDOQL, or JPQL.
Allows a class to work its way through the parsed string, obtaining relevant
components with each call, or peeking ahead before deciding what component
to parse next.
version:
$Revision: 1.18 $ |
| LOCALISER | | final protected static Localiser LOCALISER(Code) | | Localiser for messages.
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| Parser | | public Parser(String input, Imports imports)(Code) | | Constructor
Parameters:
input - The input string
Parameters:
imports - Necessary imports to use in the parse. |
| getIndex | | public int getIndex()(Code) | | Accessor for the current index in the input string.
The current index. |
| getInput | | public String getInput()(Code) | | Accessor for the input string.
The input string. |
| nextIsDot | | public boolean nextIsDot()(Code) | | Utility to return if the next character is a dot.
Whether it is a dot at the current point |
| nextIsSingleQuote | | public boolean nextIsSingleQuote()(Code) | | Utility to return if the next non-whitespace character is a single quote.
Whether it is a single quote at the current point (ignoring whitespace) |
| parseBooleanLiteral | | public Boolean parseBooleanLiteral()(Code) | | Parse a boolean from the current position.
The boolean parsed (null if not valid). |
| parseCast | | public Class parseCast(ClassLoaderResolver clr, ClassLoader primary)(Code) | | Parse a cast in the query from the current position, returning
the class that is being cast to. Returns null if the current position
doesnt have a cast.
Parameters:
clr - The ClassLoaderResolver
Parameters:
primary - The primary class loader to use (if any) The class to cast to |
| parseChar | | public boolean parseChar(char c)(Code) | | Check if char c is found
Parameters:
c - the Character to find true if c is found |
| parseChar | | public boolean parseChar(char c, char unlessFollowedBy)(Code) | | Check if char c is found
Parameters:
c - the Character to find
Parameters:
unlessFollowedBy - the character to validate it does not follow c true if c is found and not followed by unlessFollowedBy |
| parseCharacterLiteral | | public Character parseCharacterLiteral()(Code) | | Parse a Character literal.
the Character parsed. null if single quotes is found
throws:
JPOXUserException - if an invalid character is found or the CharacterIterator is finished |
| parseEOS | | public boolean parseEOS()(Code) | | Check if END OF TEXT is reach
true if END OF TEXT is reach |
| parseEscapedCharacter | | protected char parseEscapedCharacter()(Code) | | Parse a escaped character.
the escaped char
throws:
JPOXUserException - if a escaped character is not valid |
| parseFloatingPointLiteral | | public BigDecimal parseFloatingPointLiteral()(Code) | | Parse a floating point number from the current position.
The floating point number parsed (null if not valid). |
| parseIdentifier | | public String parseIdentifier()(Code) | | Parse a java identifier from the current position.
The identifier |
| parseIntegerLiteral | | public BigInteger parseIntegerLiteral()(Code) | | Parse an integer number from the current position.
The integer number parsed (null if not valid). |
| parseMethod | | public String parseMethod()(Code) | | Checks if a java Method is found
true if a Method is found |
| parseName | | public String parseName()(Code) | | 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.
The name |
| parseNullLiteral | | public boolean parseNullLiteral()(Code) | | Checks if null literal is parsed
true if null literal is found |
| parseString | | public boolean parseString(String s)(Code) | | Check if String s is found
Parameters:
s - the String to find true if s is found |
| parseStringIgnoreCase | | public boolean parseStringIgnoreCase(String s)(Code) | | Check if String s is found ignoring the case
Parameters:
s - the String to find true if s is found |
| parseStringLiteral | | public String parseStringLiteral()(Code) | | Parse a String literal.
the String parsed. null if single quotes or double quotes is found
throws:
JPOXUserException - if an invalid character is found or the CharacterIterator is finished |
| peekStringIgnoreCase | | public boolean peekStringIgnoreCase(String s)(Code) | | Check if String "s" is found ignoring the case, and not moving the cursor position.
Parameters:
s - the String to find true if string is found |
| skipWS | | public int skipWS()(Code) | | Skip over any whitespace from the current position.
The new position |
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