Created
April 17, 2013 15:05
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2.9 vs 2.10.1
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/** | |
* allow for hierarchical properties | |
* {{{ | |
* if we have prefix = "edda.collection", | |
* propName = "enabled", | |
* nameContext = "test.us-east-1.aws.addresses" | |
* then it will look for (in this order): | |
* edda.collection.test.us-east-1.aws.addresses.enabled | |
* edda.collection.test.us-east-1.aws.enabled | |
* edda.collection.us-east-1.aws.addresses.enabled | |
* edda.collection.test.us-east-1.enabled | |
* edda.collection.us-east-1.aws.enabled | |
* edda.collection.aws.addresses.enabled | |
* edda.collection.test.enabled | |
* edda.collection.us-east-1.enabled | |
* edda.collection.aws.enabled | |
* edda.collection.addresses.enabled | |
* edda.collection.enabled | |
* else return default | |
* }}} | |
* @param props group of available properties | |
* @param prefix root prefix, generally "edda.something" | |
* @param propName property name (ie "enabled") | |
* @param nameContext set property names to search though | |
* @param default the default value to return if no matching properties are found | |
* @return the best matching property value | |
*/ | |
def getProperty(prefix: String, propName: String, nameContext: String, default: String): DynamicStringProperty = { | |
val parts = nameContext.split('.') | |
Range(1, parts.size + 1).reverse.map( | |
ix => parts.sliding(ix).map(prefix + "." + _.mkString(".") + "." + propName)).flatten collectFirst { | |
case prop: String if Option(DynamicProperty.getInstance(prop).getString()).isDefined => DynamicPropertyFactory.getInstance().getStringProperty(prop, default) | |
} match { | |
case Some(v) => v | |
case None => DynamicPropertyFactory.getInstance().getStringProperty(prefix + "." + propName, default) | |
} | |
} |
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