com.opensymphony.xwork2

Interface FileManager

All Known Implementing Classes:

DefaultFileManager, JBossFileManager

public interface FileManager

Basic interface to access file on the File System and to monitor changes

Method Summary

Modifier and Type	Method and Description
boolean	fileNeedsReloading(String fileName) Checks if given file changed and must be reloaded
boolean	fileNeedsReloading(URL fileUrl) Checks if file represented by provided URL changed and must be reloaded
Collection<? extends URL>	getAllPhysicalUrls(URL url)
boolean	internal() User's implementation should return false as then it will be taken in first place
InputStream	loadFile(URL fileUrl) Loads opens the named file and returns the InputStream
void	monitorFile(URL fileUrl) Adds file to list of monitored files
URL	normalizeToFileProtocol(URL url) Convert URLs to URLs with "file" protocol
void	setReloadingConfigs(boolean reloadingConfigs) Enables configs reloading when config file changed
boolean	support() Indicate if given implementation supports current OS File System

Method Detail

setReloadingConfigs

void setReloadingConfigs(boolean reloadingConfigs)

Enables configs reloading when config file changed

Parameters:

reloadingConfigs - StrutsConstants.STRUTS_CONFIGURATION_XML_RELOAD

fileNeedsReloading

boolean fileNeedsReloading(String fileName)

Checks if given file changed and must be reloaded

Parameters:

fileName - to check

Returns:

true if file changed

fileNeedsReloading

boolean fileNeedsReloading(URL fileUrl)

Checks if file represented by provided URL changed and must be reloaded

Parameters:

fileUrl - url to a file

Returns:

true if file exists and should be reloaded, if url is null return false

loadFile

InputStream loadFile(URL fileUrl)

Loads opens the named file and returns the InputStream

Parameters:

fileUrl - - the URL of the file to open

Returns:

an InputStream of the file contents or null

Throws:

IllegalArgumentException - if there is no file with the given file name

monitorFile

void monitorFile(URL fileUrl)

Adds file to list of monitored files

Parameters:

fileUrl - URL to file to be monitored

normalizeToFileProtocol

URL normalizeToFileProtocol(URL url)

Convert URLs to URLs with "file" protocol

Parameters:

url - URL to convert to a jar url

Returns:

a URL to a file, or null if the URL external form cannot be parsed

support

boolean support()

Indicate if given implementation supports current OS File System

Returns:

true if supports current OS File System

internal

boolean internal()

User's implementation should return false as then it will be taken in first place

Returns:

true if it's a framework provided implementation

getAllPhysicalUrls

Collection<? extends URL> getAllPhysicalUrls(URL url)
                                      throws IOException

Throws:

IOException