eu.simuline.util

Class Finder.Secondary

java.lang.Object

eu.simuline.util.Finder

eu.simuline.util.Finder.Secondary

Direct Known Subclasses:

Finder.PrintFilter

Enclosing class:

Finder

static class Finder.Secondary
extends Finder

A finder wrapping a Finder.Filter. Files are read from encl and are passed via next() iff they pass the filter filter.

Nested Class Summary

Nested classes/interfaces inherited from class eu.simuline.util.Finder

Finder.AndFilter, Finder.Callable, Finder.ExecFilter, Finder.ExecJavaFilter, Finder.Filter, Finder.NameFilter, Finder.NegFilter, Finder.OrFilter, Finder.Primary, Finder.PrintFilter, Finder.Secondary

Field Summary

Fields

Modifier and Type	Field and Description
private Finder	encl The source finder from which the stream of files is read. **** this is superfluous if this is not static
private Finder.Filter	filter The filter to be passed before a file is returned by next().
private File	next The next file to be returned by next() if any, i.e. if hasNext() returns true; otherwise this field is null.

Fields inherited from class eu.simuline.util.Finder

CAN_EXEC, CAN_READ, CAN_WRITE, EXEC_ARG, FALSE, IS_DIR, IS_FILE, TRUE

Constructor Summary

Constructors

Constructor and Description
Secondary(Finder encl, Finder.Filter filter) Create a finder receiving a stream of files from encl and passing them further via next() if they pass the filter filter.

Method Summary

Modifier and Type	Method and Description
protected File	getNext()
boolean	hasNext() Returns whether this Finder can emit another file.
File	next() Returns the next file this finder can emit.
protected void	updateNext()

Methods inherited from class eu.simuline.util.Finder

add, and, exec, execFilter, execJava, execJavaFilter, main, name, nameFilter, not, or, path, print

Methods inherited from class java.lang.Object

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

Field Detail

next

private File next

The next file to be returned by next() if any, i.e. if hasNext() returns true; otherwise this field is null.

encl

private final Finder encl

The source finder from which the stream of files is read. **** this is superfluous if this is not static

filter

private final Finder.Filter filter

The filter to be passed before a file is returned by next().

Constructor Detail

Secondary

Secondary(Finder encl,
          Finder.Filter filter)

Create a finder receiving a stream of files from encl and passing them further via next() if they pass the filter filter.

Method Detail

updateNext

protected void updateNext()

hasNext

public boolean hasNext()

Description copied from class: Finder

Returns whether this Finder can emit another file.

Specified by:

hasNext in class Finder

See Also:

Finder.next()

next

public File next()

Description copied from class: Finder

Returns the next file this finder can emit. This does not throw an exception iff Finder.hasNext() returns true.

Specified by:

next in class Finder

getNext

protected File getNext()