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Java Source Code / Java Documentation » Wiki Engine » JSPWiki » com.ecyrd.jspwiki

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

com.ecyrd.jspwiki .PropertyReader

PropertyReader
final public class PropertyReader (Code)
	Property Reader for the WikiEngine. Reads the properties for the WikiEngine and implements the feature of cascading properties and variable substitution, which come in handy in a multi wiki installation environment: It reduces the need for (shell) scripting in order to generate different jspwiki.properties to a minimum. author: Christoph Sauer since: 2.5.x

Field Summary
final public static String	DEFAULT_PROPERTYFILE Path to the default property file.
final public static String	PARAM_PROPERTYFILE The web.xml parameter that defines where the config file is to be found.
final public static String	PARAM_PROPERTYFILE_CASCADEPREFIX
final public static String	PARAM_VAR_DECLARATION
final public static String	PARAM_VAR_IDENTIFIER

Method Summary
public static void	expandVars(Properties properties) You define a property variable by using the prefix "var.x" as a property.
final public static Properties	getDefaultProperties() Returns the default property set as a Properties object.
public static Properties	loadWebAppProps(ServletContext context) Loads the webapp properties based on servlet context information. Returns a Properties object containing the settings, or null if unable to load it.

Field Detail

DEFAULT_PROPERTYFILE
final public static String DEFAULT_PROPERTYFILE(Code)
	Path to the default property file.

PARAM_PROPERTYFILE
final public static String PARAM_PROPERTYFILE(Code)
	The web.xml parameter that defines where the config file is to be found. If it is not defined, uses the default as defined by DEFAULT_PROPERTYFILE.

PARAM_PROPERTYFILE_CASCADEPREFIX
final public static String PARAM_PROPERTYFILE_CASCADEPREFIX(Code)

PARAM_VAR_DECLARATION
final public static String PARAM_VAR_DECLARATION(Code)

PARAM_VAR_IDENTIFIER
final public static String PARAM_VAR_IDENTIFIER(Code)

Method Detail

expandVars
public static void expandVars(Properties properties)(Code)
	You define a property variable by using the prefix "var.x" as a property. In property values you can then use the "$x" identifier to use this variable. For example you could declare a base directory for all your files like this and use it in all your other property definitions with a "$basedir". Note that it does not matter if you define the variable before its usage. var.basedir = /p/mywiki; jspwiki.fileSystemProvider.pageDir = $basedir/www/ jspwiki.basicAttachmentProvider.storageDir = $basedir/www/ jspwiki.workDir = $basedir/wrk/ Parameters: properties - - properties to expand;

getDefaultProperties
final public static Properties getDefaultProperties()(Code)
	Returns the default property set as a Properties object.

loadWebAppProps

public static Properties loadWebAppProps(ServletContext context)(Code)

Loads the webapp properties based on servlet context information. Returns a Properties object containing the settings, or null if unable to load it. (The default file is WEB-INF/jspwiki.properties, and can be overridden by setting PARAM_PROPERTYFILE in the server or webapp configuration.)

Cascading Properties

You can define additional property files and merge them into the default properties file in a similar process to how you define cascading style sheets; hence we call this cascading property files. This way you can overwrite the default values and only specify the properties you need to change in a multiple wiki environment.

You define a cascade in the context mapping of your servlet container.

 jspwiki.properties.cascade.1
 jspwiki.properties.cascade.2
 jspwiki.properties.cascade.3

and so on. You have to number your cascade in a descending way starting with "1". This means you cannot leave out numbers in your cascade. This method is based on an idea by Olaf Kaus, see [JSPWiki:MultipleWikis].

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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