Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/DGMSelect.java @ 8547:04367906f158
(issue1754) Add distantce handling to WINFO differences state
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Mon, 16 Feb 2015 12:55:38 +0100 |
parents | e4606eae8ea5 |
children | 0a5239a1e46e |
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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.states; import java.io.File; import org.w3c.dom.Element; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; import org.dive4elements.river.model.DGM; import org.dive4elements.river.model.River; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.utils.RiverUtils; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class DGMSelect extends DefaultState { private static final Logger log = Logger.getLogger(DGMSelect.class); public static final String ERR_EMPTY = "error_no_dgm_selected"; public static final String ERR_INVALID_DGM = "error_invalid_dgm_selected"; public static final String ERR_BAD_DGM_RANGE = "error_bad_dgm_range"; public static final String ERR_BAD_DGM_RIVER = "error_bad_dgm_river"; @Override protected String getUIProvider() { return "dgm_datacage_panel"; } @Override protected Element createStaticData( D4EArtifact flys, ElementCreator creator, CallContext cc, String name, String value, String type ) { Element dataElement = creator.create("data"); creator.addAttr(dataElement, "name", name, true); creator.addAttr(dataElement, "type", type, true); Element itemElement = creator.create("item"); creator.addAttr(itemElement, "value", value, true); creator.addAttr(itemElement, "label", getLabel(cc, value), true); dataElement.appendChild(itemElement); return dataElement; } public static String getLabel(CallContext cc, String value) { log.debug("Create label for value: " + value); try { DGM dgm = DGM.getDGM(Integer.parseInt(value)); File file = new File(dgm.getPath()); return file.getName(); } catch (NumberFormatException nfe) { log.warn("Cannot parse int value: '" + value + "'"); } return ""; } @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { D4EArtifact flys = (D4EArtifact) artifact; DGM dgm = getDGM(flys); if (dgm == null) { throw new IllegalArgumentException(ERR_INVALID_DGM); } double l = dgm.getRange().getA().doubleValue(); double u = dgm.getRange().getB().doubleValue(); double[] range = RiverUtils.getKmFromTo(flys); if (range[0] < l || range[0] > u || range[1] < l || range[1] > u) { throw new IllegalArgumentException(ERR_BAD_DGM_RANGE); } River selectedRiver = RiverUtils.getRiver(flys); River dgmRiver = dgm.getRiver(); if (selectedRiver != dgmRiver) { throw new IllegalArgumentException(ERR_BAD_DGM_RIVER); } return true; } /** * Returns the DGM specified in the parameters of <i>flys</i>. * * @param flys The D4EArtifact that knows the ID of a DGM. * * @throws IllegalArgumentException If the D4EArtifact doesn't know the ID * of a DGM. * * @return the DGM specified by D4EArtifact's parameters. */ public static DGM getDGM(D4EArtifact flys) throws IllegalArgumentException { try { Integer dgmId = flys.getDataAsInteger("dgm"); if (dgmId == null) { throw new IllegalArgumentException(ERR_EMPTY); } log.debug("Found selected dgm: '" + dgmId + "'"); return DGM.getDGM(dgmId); } catch (NumberFormatException nfe) { throw new IllegalArgumentException(ERR_INVALID_DGM); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :