/** Construct progress source object. */
public ProgressSource(URL url, String method, int expected) {
this.url = url;
this.method = method;
this.contentType = "content/unknown";
this.progress = 0;
this.lastProgress = 0;
this.expected = expected;
this.state = State.NEW;
this.progressMonitor = ProgressMonitor.getDefault();
this.threshold = progressMonitor.getProgressUpdateThreshold();
}
