net.windward.datasource.jdbc

Class SelectParser

java.lang.Object

net.windward.datasource.jdbc.SelectParser

public class SelectParser
extends java.lang.Object

Simple select parser.

Field Summary

Fields

Modifier and Type	Field and Description
static int	PARTS_COLUMNS What is being selected.
static int	PARTS_END Everything after the ORDER BY part.
static int	PARTS_FROM The FROM part.
static int	PARTS_GROUP_BY The GROUP BY part.
static int	PARTS_ORDER_BY The ORDER BY part.
static int	PARTS_START From the beginning (select) up to, but not including columns.
static int	PARTS_WHERE The WHERE part.

Constructor Summary

Constructors

Constructor and Description
SelectParser(java.lang.String select) Parse the string.

Method Summary

Modifier and Type	Method and Description
java.lang.String[]	getFromTables() All the tables in the from part of the select
java.lang.String	getPart(int part) Return this part of the select.
java.lang.String	getPreceeding(int part) Return all parts up to but not including this part from the select..
java.lang.String	getSuceeding(int part) Return all parts after but not including this part from the select..
boolean	isValid() true if we could parse the select.

Methods inherited from class java.lang.Object

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

Field Detail

PARTS_START

public static final int PARTS_START

From the beginning (select) up to, but not including columns.

See Also:

Constant Field Values

PARTS_COLUMNS

public static final int PARTS_COLUMNS

What is being selected.

See Also:

Constant Field Values

PARTS_FROM

public static final int PARTS_FROM

The FROM part.

See Also:

Constant Field Values

PARTS_WHERE

public static final int PARTS_WHERE

The WHERE part.

See Also:

Constant Field Values

PARTS_GROUP_BY

public static final int PARTS_GROUP_BY

The GROUP BY part.

See Also:

Constant Field Values

PARTS_ORDER_BY

public static final int PARTS_ORDER_BY

The ORDER BY part.

See Also:

Constant Field Values

PARTS_END

public static final int PARTS_END

Everything after the ORDER BY part.

See Also:

Constant Field Values

Constructor Detail

SelectParser

public SelectParser(java.lang.String select)

Parse the string.

Parameters:

select - The select to parse.

Method Detail

isValid

public final boolean isValid()

true if we could parse the select.

getPreceeding

public final java.lang.String getPreceeding(int part)

Return all parts up to but not including this part from the select..

Parameters:

part - All parts preceeding this part..

Returns:

This part of the select.

getPart

public final java.lang.String getPart(int part)

Return this part of the select.

Parameters:

part - The part requested.

Returns:

The part of the select.

getSuceeding

public final java.lang.String getSuceeding(int part)

Return all parts after but not including this part from the select..

Parameters:

part - All parts after this part..

Returns:

This part of the select.

getFromTables

public final java.lang.String[] getFromTables()

All the tables in the from part of the select