com.disney.groovity.conf.MultiConfigurator Maven / Gradle / Ivy
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package com.disney.groovity.conf;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.function.BiConsumer;
/**
* MultiConfigurator is used to chain mutliple configurators together, for example to provide fallback lookups
* from System properties to properties files, etc.
*
* @author Alex Vigdor
*/
public class MultiConfigurator implements Configurator {
private Collection configurators;
public MultiConfigurator(){
}
public MultiConfigurator(Collection configurators){
this.configurators=configurators;
}
public void configure(String sourcePath, Set propertyNames, BiConsumer propertySetter){
//let's make a copy so intermediate stages don't have temporary visibility
Map propertiesCopy = new HashMap<>();
for(Configurator c: configurators){
c.configure(sourcePath, propertyNames, propertiesCopy::put);
}
//put the copy back
propertiesCopy.entrySet().forEach(entry -> { propertySetter.accept(entry.getKey(), entry.getValue());});
}
public void init() {
for(Configurator c: configurators){
c.init();
}
}
public void destroy() {
for(Configurator c: configurators){
c.destroy();
}
}
public Collection getConfigurators() {
return configurators;
}
public void setConfigurators(Collection configurators) {
this.configurators = configurators;
}
}