Package org.apache.tomcat.util.digester
Class SystemPropertySource
java.lang.Object
org.apache.tomcat.util.digester.SystemPropertySource
- All Implemented Interfaces:
- IntrospectionUtils.PropertySource,- IntrospectionUtils.SecurePropertySource
A 
IntrospectionUtils.SecurePropertySource
 that uses system properties to resolve expressions.
 This property source is always active by default.- See Also:
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptiongetProperty(String key) getProperty(String key, ClassLoader classLoader) Obtain a property value, checking that code associated with the provided class loader has permission to access the property.
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Constructor Details- 
SystemPropertySourcepublic SystemPropertySource()
 
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Method Details- 
getProperty- Specified by:
- getPropertyin interface- IntrospectionUtils.PropertySource
 
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getPropertyDescription copied from interface:IntrospectionUtils.SecurePropertySourceObtain a property value, checking that code associated with the provided class loader has permission to access the property. If theclassLoaderisnullor ifclassLoaderdoes not implementPermissionCheckthen the property value will be looked up without a call toPermissionCheck.check(java.security.Permission)- Specified by:
- getPropertyin interface- IntrospectionUtils.SecurePropertySource
- Parameters:
- key- The key of the requested property
- classLoader- The class loader associated with the code that trigger the property lookup
- Returns:
- The property value or nullif it could not be found or ifPermissionCheck.check(java.security.Permission)fails
 
 
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