com.fr.third.apache.log4j.lf5.viewer.configure

类 MRUFileManager

java.lang.Object

com.fr.third.apache.log4j.lf5.viewer.configure.MRUFileManager

public class MRUFileManager
extends java.lang.Object

MRUFileManager handles the storage and retrival the most recently opened log files.

作者:

Brad Marlborough, Richard Hurst

构造器概要

构造器

构造器和说明
MRUFileManager()
MRUFileManager(int maxSize)

方法概要

方法

限定符和类型	方法和说明
static void	createConfigurationDirectory() Creates the directory where the MRU file list will be written.
java.lang.Object	getFile(int index) Returns a particular file name stored in a MRU file list based on an index value.
protected java.lang.String	getFilename()
protected java.io.InputStream	getInputStream(java.io.File file) Gets an input stream for the corresponding file.
java.io.InputStream	getInputStream(int index) Returns a input stream to the resource at the specified index
protected java.io.InputStream	getInputStream(java.net.URL url) Gets an input stream for the corresponding URL.
java.lang.String[]	getMRUFileList() Gets the list of files stored in the MRU file list.
protected void	load() Loads the MRU file list in from a file and stores it in a LinkedList.
void	moveToTop(int index) Moves the the index to the top of the MRU List
void	save() Saves a list of MRU files out to a file.
void	set(java.io.File file) Adds a file name to the MRU file list.
void	set(java.net.URL url) Adds a url to the MRU file list.
protected void	setMaxSize(int maxSize) Ensures that the MRU list will have a MaxSize.
protected void	setMRU(java.lang.Object o) Adds an object to the mru.
int	size() Gets the size of the MRU file list.

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

MRUFileManager

public MRUFileManager()

MRUFileManager

public MRUFileManager(int maxSize)

方法详细资料

save

public void save()

Saves a list of MRU files out to a file.

size

public int size()

Gets the size of the MRU file list.

getFile

public java.lang.Object getFile(int index)

Returns a particular file name stored in a MRU file list based on an index value.

getInputStream

public java.io.InputStream getInputStream(int index)
                                   throws java.io.IOException,
                                          java.io.FileNotFoundException

Returns a input stream to the resource at the specified index

抛出:

java.io.IOException

java.io.FileNotFoundException

set

public void set(java.io.File file)

Adds a file name to the MRU file list.

set

public void set(java.net.URL url)

Adds a url to the MRU file list.

getMRUFileList

public java.lang.String[] getMRUFileList()

Gets the list of files stored in the MRU file list.

moveToTop

public void moveToTop(int index)

Moves the the index to the top of the MRU List

参数:

index - The index to be first in the mru list

createConfigurationDirectory

public static void createConfigurationDirectory()

Creates the directory where the MRU file list will be written. The "lf5" directory is created in the Documents and Settings directory on Windows 2000 machines and where ever the user.home variable points on all other platforms.

getInputStream

protected java.io.InputStream getInputStream(java.io.File file)
                                      throws java.io.IOException,
                                             java.io.FileNotFoundException

Gets an input stream for the corresponding file.

参数:

file - The file to create the input stream from.

返回:

InputStream

抛出:

java.io.IOException

java.io.FileNotFoundException

getInputStream

protected java.io.InputStream getInputStream(java.net.URL url)
                                      throws java.io.IOException

Gets an input stream for the corresponding URL.

参数:

url - The url to create the input stream from.

返回:

InputStream

抛出:

java.io.IOException

setMRU

protected void setMRU(java.lang.Object o)

Adds an object to the mru.

load

protected void load()

Loads the MRU file list in from a file and stores it in a LinkedList. If no file exists, a new LinkedList is created.

getFilename

protected java.lang.String getFilename()

setMaxSize

protected void setMaxSize(int maxSize)

Ensures that the MRU list will have a MaxSize.