Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DGMSelect.java @ 4496:d8992459b408
Add method to return the facets of an artifact
This methos should be used to get the facets of an artifact instead of accessing
the facets member variable directly.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Wed, 14 Nov 2012 11:11:04 +0100 |
parents | 9d5f339d83a3 |
children | a075f26a516c |
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package de.intevation.flys.artifacts.states; import java.io.File; import org.w3c.dom.Element; import org.apache.log4j.Logger; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; import de.intevation.flys.model.DGM; import de.intevation.flys.model.River; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.utils.FLYSUtils; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class DGMSelect extends DefaultState { private static final Logger logger = 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( FLYSArtifact 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) { logger.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) { logger.warn("Cannot parse int value: '" + value + "'"); } return ""; } @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { FLYSArtifact flys = (FLYSArtifact) artifact; DGM dgm = getDGM(flys); if (dgm == null) { throw new IllegalArgumentException(ERR_INVALID_DGM); } double l = dgm.getLower().doubleValue(); double u = dgm.getUpper().doubleValue(); double[] range = FLYSUtils.getKmFromTo(flys); if (range[0] < l || range[0] > u || range[1] < l || range[1] > u) { throw new IllegalArgumentException(ERR_BAD_DGM_RANGE); } River selectedRiver = FLYSUtils.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 FLYSArtifact that knows the ID of a DGM. * * @throws IllegalArgumentException If the FLYSArtifact doesn't know the ID * of a DGM. * * @return the DGM specified by FLYSArtifact's parameters. */ public static DGM getDGM(FLYSArtifact flys) throws IllegalArgumentException { try { Integer dgmId = flys.getDataAsInteger("dgm"); if (dgmId == null) { throw new IllegalArgumentException(ERR_EMPTY); } logger.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 :