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package com.sos.scheduler.engine.kernel.command;
import com.google.common.collect.ImmutableMap;
import com.sos.scheduler.engine.kernel.SchedulerException;
import org.w3c.dom.Element;
class DispatchingResultXmlizer implements ResultXmlizer {
private final ImmutableMap<Class<?>,ResultXmlizer> resultXmlizers;
DispatchingResultXmlizer(Iterable<ResultXmlizer> xmlizers) {
resultXmlizers = mapOfXmlizers(xmlizers);
}
private static ImmutableMap<Class<?>,ResultXmlizer> mapOfXmlizers(Iterable<ResultXmlizer> rx) {
ImmutableMap.Builder<Class<?>,ResultXmlizer> b = new ImmutableMap.Builder<Class<?>,ResultXmlizer>();
for (ResultXmlizer r: rx) b.put(r.getResultClass(), r);
return b.build();
}
@Override public Class<? extends Result> getResultClass() {
return Result.class; // Dummy
}
@Override public Element toElement(Result r) {
return resultXmlizer(r.getClass()).toElement(r);
}
private ResultXmlizer resultXmlizer(Class<?> clas) {
ResultXmlizer result = resultXmlizers.get(clas);
if (result == null) throw new SchedulerException("No " + ResultXmlizer.class.getName() + " for " + clas.getName());
return result;
}
}