cz.cuni.amis.utils.configuration
Class PropertyProvider

java.lang.Object
  cz.cuni.amis.utils.configuration.PropertyProvider

All Implemented Interfaces:

java.lang.Comparable<PropertyProvider>

Direct Known Subclasses:

AbstractPropertiesProvider, CustomPropertiesProvider, EnvironmentVariableProvider, JVMOptionsProvider

public abstract class PropertyProvider
extends java.lang.Object
implements java.lang.Comparable<PropertyProvider>

Property provider is responsible for one type of property storage. Eg. some specific file.

Constructor Summary

PropertyProvider()

Method Summary

int	compareTo(PropertyProvider o)
abstract int	getPriority() Priority of this provider.
abstract java.lang.String	getProperty(java.lang.String key) Searches for given property key.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyProvider

public PropertyProvider()

Method Detail

getPriority

public abstract int getPriority()

Priority of this provider. It will be asked for property value before all providers with lower priority.

Returns:

getProperty

public abstract java.lang.String getProperty(java.lang.String key)

Searches for given property key.

Parameters:

key -

Returns:

null if the property wasn't found

compareTo

public int compareTo(PropertyProvider o)

Specified by:

compareTo in interface java.lang.Comparable<PropertyProvider>