view artifacts/src/main/java/org/dive4elements/river/artifacts/WMSBackgroundArtifact.java @ 8659:af415396d9ca

(issue1803) Use MD5 instead of a homegrown hashing algorithm For creating a digest of the parametrization we should use an algorithm that does not create collisions if there are small changes in the parametrization so that wrong results are returned.
author Andre Heinecke <andre.heinecke@intevation.de>
date Thu, 02 Apr 2015 17:40:18 +0200
parents e4606eae8ea5
children 5e38e2924c07
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.artifacts;

import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

import org.dive4elements.artifacts.Artifact;
import org.dive4elements.artifacts.CallMeta;

import org.dive4elements.artifactdatabase.state.Facet;

import org.dive4elements.river.artifacts.states.DefaultState;


public class WMSBackgroundArtifact extends StaticD4EArtifact {

    public static final String NAME = "wmsbackground";

    private static final Logger log =
        Logger.getLogger(WMSBackgroundArtifact.class);


    @Override
    public String getName() {
        return NAME;
    }


    @Override
    protected void initialize(Artifact artifact, Object context, CallMeta meta) {
        log.debug("Initialize internal state with: "+ artifact.identifier());

        D4EArtifact flys = (D4EArtifact) artifact;
        addData("river", flys.getData("river"));

        List<Facet> fs = new ArrayList<Facet>();

        // TODO Add CallMeta
        DefaultState state = (DefaultState) getCurrentState(context);
        state.computeInit(this, hash(), context, meta, fs);

        if (!fs.isEmpty()) {
            addFacets(getCurrentStateId(), fs);
        }
    }
}
// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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