de.smartics.properties.spi.config.resolve
Class SimplePropertyValueResolver

java.lang.Object
  de.smartics.properties.spi.config.resolve.SimplePropertyValueResolver

All Implemented Interfaces:

PropertyValueResolver

@ThreadSafe
public final class SimplePropertyValueResolver
     
     

      
      extends 
      
      Object
     
     
     
     

      
      implements 
      
      PropertyValueResolver
     
     

Property value resolver implementation using commons-jexl.

Implementation Notes:

the implementation is thread safe since it only provides read access to the wrapped configuration. If the configuration is accessed by other threads, it is not.

Constructor Summary

SimplePropertyValueResolver(PropertyDescriptorRegistry registry, ConfigurationProperties config)
Default constructor.

Method Summary

String

resolve(String expression) Resolves the expression.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SimplePropertyValueResolver

public SimplePropertyValueResolver(PropertyDescriptorRegistry registry,
                                   ConfigurationProperties config)

Default constructor.

Parameters:

registry - the registry to resolve property descriptors.

config - the configuration to resolve place holders in property values.

Method Detail

resolve

public String resolve(String expression)
               throws ResolveConfigurationException

Resolves the expression.

Specified by:

resolve in interface PropertyValueResolver

Parameters:

expression - the expression to resolve from place holders.

Returns:

the resolved expression.

Throws:

ResolveConfigurationException - on any problem resolving the expression.

See Also:

PropertyValueResolver.resolve(java.lang.String)