Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelSelectState.java @ 1178:1b432c260e97
Enabled the FloodMapState to fetch waterlevel data from external Artifact.
flys-artifacts/trunk@2764 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 15 Sep 2011 15:36:05 +0000 |
parents | 23eb122c8ec1 |
children | 1aba1a75beb2 |
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--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelSelectState.java Thu Sep 15 15:10:04 2011 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelSelectState.java Thu Sep 15 15:36:05 2011 +0000 @@ -1,13 +1,122 @@ package de.intevation.flys.artifacts.states; +import org.apache.log4j.Logger; + +import de.intevation.artifacts.Artifact; +import de.intevation.artifacts.CallContext; + +import de.intevation.artifactdatabase.data.DefaultStateData; +import de.intevation.artifactdatabase.data.StateData; + +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 WaterlevelSelectState extends DefaultState { + private static final Logger logger = + Logger.getLogger(WaterlevelSelectState.class); + + public static final String SPLIT_CHAR = ";"; + + @Override protected String getUIProvider() { return "wsp_datacage_panel"; } + + + @Override + public StateData transform( + FLYSArtifact flys, + CallContext cc, + 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, strip(val)); + } + + + @Override + public boolean validate(Artifact artifact) + throws IllegalArgumentException + { + FLYSArtifact flys = (FLYSArtifact) artifact; + + StateData data = flys.getData("wsp"); + + if (data == null) { + throw new IllegalArgumentException("WSP is empty"); + } + + return true; + } + + + public static String strip(String value) { + int start = value.indexOf("["); + int end = value.indexOf("]"); + + if (start < 0 || end < 0) { + return value; + } + + value = value.substring(start+1, end); + + return value; + } + + + /** + * 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 = strip(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 :