Class SystemPropertiesSymbolProvider
java.lang.Object
org.apache.tapestry5.ioc.internal.services.SystemPropertiesSymbolProvider
- All Implemented Interfaces:
SymbolProvider
Obtains symbol values from JVM System properties. This implementation is usually ordered first, so that explicit
overrides, provided as JVM system properties, can take effect.
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvalueForSymbol
(String symbolName) Returns the value for the symbol, or null if this provider can not provide a value.
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Constructor Details
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SystemPropertiesSymbolProvider
public SystemPropertiesSymbolProvider()
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Method Details
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valueForSymbol
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 interfaceSymbolProvider
- Returns:
- the value or null
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