Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RangeState.java @ 322:448d0dc64357
The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
flys-artifacts/trunk@1716 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 18 Apr 2011 12:36:08 +0000 |
parents | |
children | c21fb8de54f8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RangeState.java Mon Apr 18 12:36:08 2011 +0000 @@ -0,0 +1,54 @@ +package de.intevation.flys.artifacts.states; + +import org.apache.log4j.Logger; + + +/** + * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> + */ +public abstract class RangeState extends DefaultState { + + /** The logger that is used in this class.*/ + private static Logger logger = Logger.getLogger(RangeState.class); + + + public RangeState() { + } + + + /** + * Validates a given range with a given valid range. + * + * @param fromValid Valid lower value of the range. + * @param toValid Valid upper value of the range. + * @param from The lower value. + * @param to The upper value. + * @param step The step width. + * + * @return true, if everything was fine, otherwise an exception is thrown. + */ + protected boolean validateRange( + double fromValid, double toValid, + double from, double to, double step) + throws IllegalArgumentException + { + logger.debug("RangeState.validateRange"); + + if (from < fromValid) { + logger.error( + "Invalid 'from'. " + from + " is smaller than " + fromValid); + throw new IllegalArgumentException("error_feed_from_out_of_range"); + } + else if (to > toValid) { + logger.error( + "Invalid 'to'. " + to + " is bigger than " + toValid); + throw new IllegalArgumentException("error_feed_to_out_of_range"); + } + else if (from > to) { + throw new IllegalArgumentException("error_feed_from_bigger_to"); + } + + return true; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :