flabbergast.UriInstantiator Maven / Gradle / Ivy

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package flabbergast;

import flabbergast.TaskMaster.LibraryFailure;

public class UriInstantiator implements UriHandler {

    private UriLoader loader;

    public UriInstantiator(UriLoader loader) {
        this.loader = loader;
    }

    public String getUriName() {
        return loader.getUriName();
    }

    public Computation resolveUri(TaskMaster task_master, String uri,
                                  Ptr reason) {
        Class t = loader.resolveUri(uri, reason);
        if (t == null) {
            return null;
        }

        try {
            Computation computation;
            computation = t.getDeclaredConstructor(TaskMaster.class)
                          .newInstance(task_master);
            return computation;
        } catch (Exception e) {
            reason.set(LibraryFailure.CORRUPT);
            return null;
        }
    }
}