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package ${package}.utils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class UnionLoader implements Loader<Object> {
private final ArrayList<Loader> alternates;
public UnionLoader(List<Loader> alternates) {
this.alternates = new ArrayList<Loader>(alternates);
}
public UnionLoader(Loader[] alternates) {
this(Arrays.asList(alternates));
}
public void addLoaders(List<Loader> loaders) {
this.alternates.addAll(loaders);
}
public void addLoaders(Loader[] loaders) {
this.addLoaders(Arrays.asList(loaders));
}
public Object load(
final Object doc,
final String baseUri,
final LoadingOptions loadingOptions,
final String docRoot) {
final List<ValidationException> errors = new ArrayList();
for (final Loader loader : this.alternates) {
try {
return loader.load(doc, baseUri, loadingOptions, docRoot);
} catch (ValidationException e) {
errors.add(e);
}
}
throw new ValidationException("Failed to match union type", errors);
}
}
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