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Java Source Code / Java Documentation » Database Client » sqlshell » nl.improved.sqlclient

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Class Diagram

Java Document (Java Doc)

nl.improved.sqlclient .SQLShell

SQLShell
public class SQLShell extends Window (Code)
	The SQLShell main class. This class provides a (textbased) window for entering sql commands.

Constructor Summary
public	SQLShell() Constructor.

Method Summary
protected synchronized void	error(Throwable e) Output error exception to the screen.
protected boolean	executeCommand(SQLCommand sqlCommand) (Try) to execute a command) and return true if it succeeded.
protected CharSequence	findMatch(List<String> values, String sub) Try to find a match in the provided list starging with sub.
protected List<String>	getColumnNames(List<String> tableNames) Return a list of column names for the specified list of table names.
public Connection	getConnection()
protected SQLCommand	getEditableCommand() Return the editable version of the commandlines.
protected CharSequence	getTabCompletion(SQLCommand commandLines, Point cursorPosition) return the tab completion value.
protected List<String>	getTableNames() Return a list of table names available for the current connection.
protected void	handleInput(InputChar inp) Handle key input.
public void	hide() Hides this window.
public static void	main(String[] args)
protected CharSequence	nullToEmpty(CharSequence s) Simple method to change a null value to an empty charsequence.
protected synchronized void	output(CharSequence data) Output data to the screen.
protected synchronized void	paint() Paint the screen.
public void	show() Shows this window.

Constructor Detail

SQLShell
public SQLShell()(Code)
	Constructor.

Method Detail

error
protected synchronized void error(Throwable e)(Code)
	Output error exception to the screen. Parameters: e - the error to print to the screen

executeCommand
protected boolean executeCommand(SQLCommand sqlCommand)(Code)
	(Try) to execute a command) and return true if it succeeded. Parameters: command - the command to try and execute true if it succeeded.

findMatch
protected CharSequence findMatch(List<String> values, String sub)(Code)
	Try to find a match in the provided list starging with sub. If more matches apply show the user a dialog to choose a match or simply display all matches in the window Parameters: values - all possible values to choose from (not limited with the sub parameter) Parameters: sub - the start of the match the match starting with sub minus the sub itself in the correct casing

getColumnNames
protected List<String> getColumnNames(List<String> tableNames)(Code)
	Return a list of column names for the specified list of table names. Parameters: tableNames - a list of tableNames a list of column names for the specified list of table names.

getConnection
public Connection getConnection()(Code)
	Returns the connection to the database the connection to the database

getEditableCommand
protected SQLCommand getEditableCommand()(Code)
	Return the editable version of the commandlines. If editing a previous command clone it and return the clone the editable version of the commandlines.

getTabCompletion
protected CharSequence getTabCompletion(SQLCommand commandLines, Point cursorPosition)(Code)
	return the tab completion value. Parameters: commandLines - the current command Parameters: cursorPosition - the position where the tab completion was invocated the tab completion value.

getTableNames
protected List<String> getTableNames()(Code)
	Return a list of table names available for the current connection. a list of table names available for the current connection.

handleInput
protected void handleInput(InputChar inp)(Code)
	Handle key input. Parameters: inp - the character that is being pressed by the user.

hide
public void hide()(Code)
	Hides this window. Override to make sure the spool writer is closed when it was open

main
public static void main(String[] args)(Code)

nullToEmpty
protected CharSequence nullToEmpty(CharSequence s)(Code)
	Simple method to change a null value to an empty charsequence. Parameters: s - the charsequence to convert to empty if it is null empty when s was null or return s when s is not null

output
protected synchronized void output(CharSequence data)(Code)
	Output data to the screen. Parameters: data - the data to print to the screen.

paint
protected synchronized void paint()(Code)
	Paint the screen.

show
public void show()(Code)
	Shows this window. Override to make sure paint content is called.

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