Module com.aoindustries.aoserv.client

Package com.aoindustries.aoserv.client.sql

Class Parser

java.lang.Object

com.aoindustries.aoserv.client.sql.Parser

public class Parser
extends Object

Static utilities for use in SQL parsing.

Author:

AO Industries, Inc.

Method Summary

Modifier and Type	Method	Description
static int	indexOfNotQuoted(String expr, char ch)	Find a match only outside quoted section of the expressions.
static int	indexOfNotQuoted(String expr, char ch, int fromIndex)	Find a match only outside quoted section of the expressions.
static int	indexOfNotQuoted(String expr, String str)	Find a match only outside quoted section of the expressions.
static int	indexOfNotQuoted(String expr, String str, int fromIndex)	Find a match only outside quoted section of the expressions.
static SQLExpression	parseSQLExpression(AOServTable<?,?> table, String expr)
static String	quote(String str)	Quotes a string if needed.
static String	unquote(String str)	Unquotes a string, removing " characters, except "" being the escape for a " within a quoted section.

Methods inherited from class java.lang.Object

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

Method Detail

indexOfNotQuoted

public static int indexOfNotQuoted(String expr,
                                   char ch,
                                   int fromIndex)

Find a match only outside quoted section of the expressions. Quoted by ", with "" being the escape for a " within the quoted section.

indexOfNotQuoted

public static int indexOfNotQuoted(String expr,
                                   char ch)

Find a match only outside quoted section of the expressions. Quoted by ", with "" being the escape for a " within the quoted section.

indexOfNotQuoted

public static int indexOfNotQuoted(String expr,
                                   String str,
                                   int fromIndex)

Find a match only outside quoted section of the expressions. Quoted by ", with "" being the escape for a " within the quoted section.

indexOfNotQuoted

public static int indexOfNotQuoted(String expr,
                                   String str)

Find a match only outside quoted section of the expressions. Quoted by ", with "" being the escape for a " within the quoted section.

unquote

public static String unquote(String str)

Unquotes a string, removing " characters, except "" being the escape for a " within a quoted section.

quote

public static String quote(String str)

Quotes a string if needed. Currently this only when is empty, contains " or . or a character outside normal ASCII range. Unicode is not considered for use without quoting, since this is only used to quote AOServ table/column names, which are all ASCII.

parseSQLExpression

public static SQLExpression parseSQLExpression(AOServTable<?,?> table,
                                               String expr)
                                        throws SQLException,
                                               IOException

Throws:

SQLException

IOException