com.opensymphony.xwork2.util.fs

Class DefaultFileManager

java.lang.Object

com.opensymphony.xwork2.util.fs.DefaultFileManager

All Implemented Interfaces:

FileManager

Direct Known Subclasses:

JBossFileManager

public class DefaultFileManager
extends Object
implements FileManager

Default implementation of FileManager

Field Summary

Fields

Modifier and Type	Field and Description
protected static Map<String,Revision>	files
protected boolean	reloadingConfigs

Constructor Summary

Constructors

Constructor and Description
DefaultFileManager()

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
protected boolean	isJarURL(URL fileUrl) Check if given URL is matching Jar pattern for different servers
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

Methods inherited from class java.lang.Object

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

Field Detail

files

protected static final Map<String,Revision> files

reloadingConfigs

protected boolean reloadingConfigs

Constructor Detail

DefaultFileManager

public DefaultFileManager()

Method Detail

setReloadingConfigs

public void setReloadingConfigs(boolean reloadingConfigs)

Description copied from interface: FileManager

Enables configs reloading when config file changed

Specified by:

setReloadingConfigs in interface FileManager

Parameters:

reloadingConfigs - StrutsConstants.STRUTS_CONFIGURATION_XML_RELOAD

fileNeedsReloading

public boolean fileNeedsReloading(URL fileUrl)

Description copied from interface: FileManager

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

Specified by:

fileNeedsReloading in interface FileManager

Parameters:

fileUrl - url to a file

Returns:

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

fileNeedsReloading

public boolean fileNeedsReloading(String fileName)

Description copied from interface: FileManager

Checks if given file changed and must be reloaded

Specified by:

fileNeedsReloading in interface FileManager

Parameters:

fileName - to check

Returns:

true if file changed

loadFile

public InputStream loadFile(URL fileUrl)

Description copied from interface: FileManager

Loads opens the named file and returns the InputStream

Specified by:

loadFile in interface FileManager

Parameters:

fileUrl - - the URL of the file to open

Returns:

an InputStream of the file contents or null

monitorFile

public void monitorFile(URL fileUrl)

Description copied from interface: FileManager

Adds file to list of monitored files

Specified by:

monitorFile in interface FileManager

Parameters:

fileUrl - URL to file to be monitored

isJarURL

protected boolean isJarURL(URL fileUrl)

Check if given URL is matching Jar pattern for different servers

Parameters:

fileUrl - jar file URL

Returns:

if given URL is matching Jar pattern for different servers

normalizeToFileProtocol

public URL normalizeToFileProtocol(URL url)

Description copied from interface: FileManager

Convert URLs to URLs with "file" protocol

Specified by:

normalizeToFileProtocol in interface FileManager

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

public boolean support()

Description copied from interface: FileManager

Indicate if given implementation supports current OS File System

Specified by:

support in interface FileManager

Returns:

true if supports current OS File System

internal

public boolean internal()

Description copied from interface: FileManager

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

Specified by:

internal in interface FileManager

Returns:

true if it's a framework provided implementation

getAllPhysicalUrls

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

Specified by:

getAllPhysicalUrls in interface FileManager

Throws:

IOException