Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/WaterlevelSelectState.java @ 6693:88bb0c794833
issue1391: Enable GaugeDischarge artifact to directly load a table by its ID
This allows us to use the GaugeDischargeArtifact for any discharge
tables that we have in our database. The name of the created facet
is taken from the ids string as is also usual in the WMS artifacts.
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Mon, 29 Jul 2013 12:19:57 +0200 |
parents | d24d29d9efa7 |
children | f89ad512f426 |
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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 org.apache.log4j.Logger; import org.w3c.dom.Element; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifactdatabase.data.DefaultStateData; import org.dive4elements.artifactdatabase.data.StateData; import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.model.WQKms; import org.dive4elements.river.artifacts.model.extreme.ExtremeResult; import org.dive4elements.river.artifacts.resources.Resources; import org.dive4elements.river.utils.RiverUtils; import org.dive4elements.river.utils.StringUtil; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class WaterlevelSelectState extends DefaultState { private static final Logger logger = Logger.getLogger(WaterlevelSelectState.class); public static final String SPLIT_CHAR = ";"; public static final String WINFO_WSP_STATE_ID = "state.winfo.waterlevel"; public static final String I18N_STATIC_KEY = "wsp.selected.string"; @Override protected String getUIProvider() { return "wsp_datacage_panel"; } /** * @param flys ignored * @param cc ignrored */ @Override public StateData transform( D4EArtifact flys, CallContext cc, StateData stateData, String name, String val ) { if (!isValueValid(val)) { logger.error("The given input string is not valid: '" + val + "'"); return null; } return new DefaultStateData(name, null, null, StringUtil.unbracket(val)); } @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { D4EArtifact flys = (D4EArtifact) artifact; StateData data = flys.getData("wsp"); if (data == null) { throw new IllegalArgumentException("WSP is empty"); } return true; } @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); String[] labels = getLabels(cc, value); Object[] obj = new Object[] { labels[0] }; String attrValue = Resources.getMsg( cc.getMeta(), I18N_STATIC_KEY, I18N_STATIC_KEY, obj); creator.addAttr(itemElement, "label", attrValue, true); dataElement.appendChild(itemElement); return dataElement; } /** * Get name to display for selected watelerlevel (for example "Q=123") * from the CalculationResult. */ public static String[] getLabels(CallContext cc, String value) { String[] parts = value.split(SPLIT_CHAR); D4EArtifact artifact = RiverUtils.getArtifact(parts[0], cc); CalculationResult rawData = (CalculationResult) artifact.compute( cc, null, WINFO_WSP_STATE_ID, ComputeType.ADVANCE, false); WQKms[] wqkms; if (rawData.getData() instanceof ExtremeResult) { wqkms = ((ExtremeResult) rawData.getData()).getWQKms(); } else { wqkms = (WQKms[]) rawData.getData(); } int idx = -1; try { idx = Integer.parseInt(parts[2]); String name = wqkms[idx].getName(); return new String[] { StringUtil.wWrap(name) }; } catch (NumberFormatException nfe) { /* do nothing */ logger.error("Cannot get label for " + value + " (" + parts[2] + ")"); return new String[] {""}; } } /** * Validates the given String. A valid string for this state requires the * format: "UUID;FACETNAME;FACETINDEX". * * @param value The string value requires validation. * * @return true, if the string applies the specified format, otherwise * false. */ public static boolean isValueValid(String value) { logger.debug("Validate string: '" + value + "'"); value = StringUtil.unbracket(value); logger.debug("Validate substring: '" + value + "'"); if (value == null || value.length() == 0) { return false; } String[] parts = value.split(SPLIT_CHAR); if (parts == null || parts.length < 3) { return false; } if (parts[0] == null || parts[0].length() == 0) { return false; } if (parts[1] == null || parts[1].length() == 0) { return false; } try { Integer.parseInt(parts[2]); } catch (NumberFormatException nfe) { logger.error("Index is not a valid integer!", nfe); } return true; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :