org.apache.hadoop.hbase.security.visibility

Class ExpressionParser

java.lang.Object

org.apache.hadoop.hbase.security.visibility.ExpressionParser

@InterfaceAudience.Private
public class ExpressionParser
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private static char	AND
private static char	CLOSE_PARAN
private static char	DOUBLE_QUOTES
private static char	NOT
private static char	OPEN_PARAN
private static char	OR
private static char	SPACE

Constructor Summary

Constructors

Constructor and Description
ExpressionParser()

Method Summary

Modifier and Type	Method and Description
private static boolean	endDoubleQuotesFound(byte b)
private static Operator	getOperator(byte op)
private static boolean	isEndOfLabel(byte b)
ExpressionNode	parse(String expS)
private void	processANDorOROp(Operator op, Stack<ExpressionNode> expStack, String expS, int index)
private void	processCloseParan(Stack<ExpressionNode> expStack, String expS, int index)
private void	processLabelExpNode(LeafExpressionNode node, Stack<ExpressionNode> expStack, String expS, int index)
private void	processNOTOp(Stack<ExpressionNode> expStack, String expS, int index)
private void	processOpenParan(Stack<ExpressionNode> expStack, String expS, int index)
private int	skipSpaces(byte[] exp, int index)

Methods inherited from class java.lang.Object

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

Field Detail

CLOSE_PARAN

private static final char CLOSE_PARAN

See Also:

Constant Field Values

OPEN_PARAN

private static final char OPEN_PARAN

See Also:

Constant Field Values

OR

private static final char OR

See Also:

Constant Field Values

AND

private static final char AND

See Also:

Constant Field Values

NOT

private static final char NOT

See Also:

Constant Field Values

SPACE

private static final char SPACE

See Also:

Constant Field Values

DOUBLE_QUOTES

private static final char DOUBLE_QUOTES

See Also:

Constant Field Values

Constructor Detail

ExpressionParser

public ExpressionParser()

Method Detail

parse

public ExpressionNode parse(String expS)
                     throws ParseException

Throws:

ParseException

skipSpaces

private int skipSpaces(byte[] exp,
                       int index)

processCloseParan

private void processCloseParan(Stack<ExpressionNode> expStack,
                               String expS,
                               int index)
                        throws ParseException

Throws:

ParseException

processOpenParan

private void processOpenParan(Stack<ExpressionNode> expStack,
                              String expS,
                              int index)
                       throws ParseException

Throws:

ParseException

processLabelExpNode

private void processLabelExpNode(LeafExpressionNode node,
                                 Stack<ExpressionNode> expStack,
                                 String expS,
                                 int index)
                          throws ParseException

Throws:

ParseException

processANDorOROp

private void processANDorOROp(Operator op,
                              Stack<ExpressionNode> expStack,
                              String expS,
                              int index)
                       throws ParseException

Throws:

ParseException

processNOTOp

private void processNOTOp(Stack<ExpressionNode> expStack,
                          String expS,
                          int index)
                   throws ParseException

Throws:

ParseException

endDoubleQuotesFound

private static boolean endDoubleQuotesFound(byte b)

isEndOfLabel

private static boolean isEndOfLabel(byte b)

getOperator

private static Operator getOperator(byte op)