org.josql.filters

类 JoSQLSwingFileFilter

java.lang.Object

javax.swing.filechooser.FileFilter

org.josql.filters.JoSQLSwingFileFilter

public class JoSQLSwingFileFilter
extends FileFilter

A FileFilter that uses a JoSQL statement to provide the filtering. The value returned by the accept(File) method is determined by executing the WHERE clause of a JoSQL statement on each File passed in. This just uses an instance of: JoSQLFileFilter to do it's job, see that class for details of usage.

构造器概要

构造器

构造器和说明
JoSQLSwingFileFilter(Query q) Init this file filter with the query already built and parsed.
JoSQLSwingFileFilter(String q) Init this file filter with the query.

方法概要

限定符和类型	方法和说明
boolean	accept(File f) Apply the WHERE clause of the statement to the File passed in.
String	getDescription() Return the description for the filter.
JoSQLFileFilter	getJoSQLFileFilter() Get the file filter being used "under the hoodie" in the accept(File) method.
void	setDescription(String d) Set the description that should be used.
void	setJoSQLFileFilter(JoSQLFileFilter ff) Set the JoSQLFileFilter that should be used to handle the accept(File) method.

从类继承的方法 java.lang.Object

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

构造器详细资料

JoSQLSwingFileFilter

public JoSQLSwingFileFilter(String q)
                     throws QueryParseException

Init this file filter with the query.

参数:

q - The query.

抛出:

QueryParseException - If there is an issue with the parsing of the query, or if the FROM class is not File.

JoSQLSwingFileFilter

public JoSQLSwingFileFilter(Query q)
                     throws IllegalStateException,
                            QueryParseException

Init this file filter with the query already built and parsed.

参数:

q - The query.

抛出:

IllegalStateException - If the Query object has not been parsed.

QueryParseException - If the FROM class is not File.

方法详细资料

setJoSQLFileFilter

public void setJoSQLFileFilter(JoSQLFileFilter ff)

Set the JoSQLFileFilter that should be used to handle the accept(File) method.

参数:

ff - The file filter.

setDescription

public void setDescription(String d)

Set the description that should be used.

参数:

d - The description.

getDescription

public String getDescription()

Return the description for the filter.

指定者:

getDescription 在类中 FileFilter

返回:

The description.

getJoSQLFileFilter

public JoSQLFileFilter getJoSQLFileFilter()

Get the file filter being used "under the hoodie" in the accept(File) method. You should also check that file filter to see if an exception has occurred.

返回:

The JoSQLFileFilter that is being used to perform the match.

accept

public boolean accept(File f)

Apply the WHERE clause of the statement to the File passed in. This is just a wrapper call to: JoSQLFileFilter.accept(File).

指定者:

accept 在类中 FileFilter

参数:

f - The file to evaluate the WHERE on.

返回:

true if the WHERE clause evaluates to true.