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net.sf.wcfart.tbutils.res.package.html Maven / Gradle / Ivy

Access to key/value pairs and application home directory.

{@link net.sf.wcfart.tbutils.res.Resources} is the facade to access
Resources. 
{@link net.sf.wcfart.tbutils.res.ResourcesFactory} contains a description
how to configure the Resources.

{@link net.sf.wcfart.tbutils.res.ResourcesFactory} looks for a resource bundle named resfactory in the classpath (root package).
The resfactory may contain the following entries:

Initialization


  

    
tbeller.home
    
Path of a directory in the filesystem where the application may want to store data or read property files.
        The default is ~/.tonbeller
    
Example: tbeller.home=c:\temp
    
Example: tbeller.home=${java.io.tmpdir}
    
  
  

    
tbeller.usejndi
    
defaults to true. If set to false, properties will not looked up via JNDI. Example: 
    tbeller.usejndi=false
  
  

    
tbeller.bundles
    
Names of ResourceBundle's that will be looked up in the class path
    
Example: tbeller.bundles=net.sf.wcfart.jpivot.jpivot com.acme.messages
  
  

    
tbeller.resources
    
Paths of property files, that will be looked up in  the file system. If the path is relative,
    its releative to tbeller.home (see above), otherwise its taken absolute.
    
Example tbeller.resources=local.properties  is identical to tbeller.resources=${tbeller.home}/local.properties 
    
Example tbeller.resources=local.properties /etc/conf/conf.properties
    
  



These four variables are looked up

 
in JNDI java:/comp/env context (depends on tbeller.usejndi)
 
user.properties in root classpath
 
resfactory.properties in root classpath
 
System.getProperty()

in that order.

Runtime

After initialization using the four variables above, Properties are searched in the following order

 
System Properties
 
The tbeller.properties property files in the given order
 
The tbeller.bundles Resource Bundles in the given order


The first match "wins".

Property references

Properties may be referenced from other properties. Example:
root.dir=/usr/local/myapp
dir1=${root.dir}/dir1
dir2=${java.io.tmpdir}/dir2


may expand to

root.dir=/usr/local/myapp
dir1=/usr/local/myapp/dir1
dir2=/tmp/dir2