wt.util
Class FileConsumer

java.lang.Object
  wt.util.Consumer
      wt.util.FileConsumer

All Implemented Interfaces:

Iterator

Direct Known Subclasses:

PropertiesConsumer

public class FileConsumer

extends Consumer

An iteration over a list of files.

Supported API: false
Extendable: false

Nested Class Summary

protected static class	FileConsumer.FileConsumerQueue An extension of SynchronizedQueue that keeps track of the current file.
protected static class	FileConsumer.FileProducer Iterates through a list of files, loading each one into the queue.

Nested classes inherited from class wt.util.Consumer

Consumer.Producer, Consumer.Queue, Consumer.SynchronizedQueue

Field Summary

protected static String

DEFAULT_SEPARATOR

Fields inherited from class wt.util.Consumer

DEFAULT_BUFFER_SIZE, producer, queue

Constructor Summary

FileConsumer(String files)

FileConsumer(String[] files)

FileConsumer(String[] files, int max_buffer_size)

FileConsumer(String files, String separator)

FileConsumer(String files, String separator, int max_buffer_size)

Method Summary

protected Consumer.Producer	createProducer(String[] files) Hook to let subclasses create a different producer.
protected Consumer.Queue	createQueue(int max_buffer_size) Override createQueue to create a FileConsumerQueue
String	getCurrentFile()
private static String[]	parseFiles(String files, String separator)

Methods inherited from class wt.util.Consumer

finalize, hasNext, init, init, init, next, remove

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SEPARATOR

protected static final String DEFAULT_SEPARATOR

See Also:

Constant Field Values

Constructor Detail

FileConsumer

public FileConsumer(String[] files,
                    int max_buffer_size)

Parameters:

files - An array of files to be consumed.

FileConsumer

public FileConsumer(String files)

Parameters:

files - A comma-separated list of files.

FileConsumer

public FileConsumer(String files,
                    String separator)

Parameters:

files - A list of files delineated by the separator parameter.

separator - The separator for the files parameter.

FileConsumer

public FileConsumer(String files,
                    String separator,
                    int max_buffer_size)

Parameters:

files - A list of files delineated by the separator parameter.

separator - The separator for the files parameter.

FileConsumer

public FileConsumer(String[] files)

Parameters:

files - An array of files to be consumed.

Method Detail

getCurrentFile

public String getCurrentFile()

Returns:

The file that is currently being consumed or null if all the files have been iterated over.

createQueue

protected final Consumer.Queue createQueue(int max_buffer_size)

Override createQueue to create a FileConsumerQueue

Overrides:

createQueue in class Consumer

Parameters:

max_buffer_size - The maximum size the queue can attain.

createProducer

protected Consumer.Producer createProducer(String[] files)

Hook to let subclasses create a different producer.

Parameters:

files - The list of files to be loaded.

parseFiles

private static final String[] parseFiles(String files,
                                         String separator)