org.apache.tapestry5.ioc.internal.services
Class SystemEnvSymbolProvider

java.lang.Object
  extended by org.apache.tapestry5.ioc.internal.services.SystemEnvSymbolProvider
All Implemented Interfaces:
SymbolProvider

public class SystemEnvSymbolProvider
extends Object
implements SymbolProvider

Provides case insensitive access to environment variables. Environment variable symbols are prefixed with "env.".

Since:
5.3

Constructor Summary
SystemEnvSymbolProvider()
           
 
Method Summary
 String valueForSymbol(String symbolName)
          Returns the value for the symbol, or null if this provider can not provide a value.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SystemEnvSymbolProvider

public SystemEnvSymbolProvider()
Method Detail

valueForSymbol

public String valueForSymbol(String symbolName)
Description copied from interface: SymbolProvider
Returns the value for the symbol, or null if this provider can not provide a value. The value itself may contain symbols that will be recursively expanded.

Specified by:
valueForSymbol in interface SymbolProvider
Returns:
the value or null


Copyright © 2003-2012 The Apache Software Foundation.