ingo@1172: package de.intevation.flys.artifacts.states;
ingo@1172: 
ingo@1178: import org.apache.log4j.Logger;
ingo@1178: 
ingo@1180: import org.w3c.dom.Element;
ingo@1180: 
ingo@1178: import de.intevation.artifacts.Artifact;
ingo@1178: import de.intevation.artifacts.CallContext;
ingo@1178: 
ingo@1178: import de.intevation.artifactdatabase.data.DefaultStateData;
ingo@1178: import de.intevation.artifactdatabase.data.StateData;
ingo@1178: 
ingo@1180: import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
ingo@1180: 
ingo@1178: import de.intevation.flys.artifacts.FLYSArtifact;
ingo@1180: import de.intevation.flys.artifacts.model.CalculationResult;
ingo@1180: import de.intevation.flys.artifacts.model.WQKms;
ingo@1180: import de.intevation.flys.artifacts.resources.Resources;
ingo@1178: import de.intevation.flys.utils.FLYSUtils;
felix@1655: import de.intevation.flys.utils.StringUtil;
ingo@1178: 
ingo@1178: 
ingo@1172: /**
ingo@1172:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@1172:  */
ingo@1172: public class WaterlevelSelectState extends DefaultState {
ingo@1172: 
ingo@1178:     private static final Logger logger =
ingo@1178:         Logger.getLogger(WaterlevelSelectState.class);
ingo@1178: 
ingo@1178:     public static final String SPLIT_CHAR = ";";
ingo@1178: 
ingo@1180:     public static final String WINFO_WSP_STATE_ID = "state.winfo.waterlevel";
ingo@1180: 
ingo@1180:     public static final String I18N_STATIC_KEY = "wsp.selected.string";
ingo@1180: 
ingo@1178: 
ingo@1172:     @Override
ingo@1172:     protected String getUIProvider() {
ingo@1172:         return "wsp_datacage_panel";
ingo@1172:     }
ingo@1178: 
ingo@1178: 
felix@1655:     /**
felix@1655:      * @param flys ignored
felix@1655:      * @param cc   ignrored
felix@1655:      */
ingo@1178:     @Override
ingo@1178:     public StateData transform(
ingo@1178:         FLYSArtifact flys,
ingo@1178:         CallContext  cc,
ingo@1178:         String       name,
ingo@1178:         String       val
ingo@1178:     ) {
ingo@1178:         if (!isValueValid(val)) {
ingo@1178:             logger.error("The given input string is not valid: '" + val + "'");
ingo@1178:             return null;
ingo@1178:         }
ingo@1178: 
felix@1655:         return new DefaultStateData(name, null, null, StringUtil.unbracket(val));
ingo@1178:     }
ingo@1178: 
ingo@1178: 
ingo@1178:     @Override
ingo@1178:     public boolean validate(Artifact artifact)
ingo@1178:     throws IllegalArgumentException
ingo@1178:     {
ingo@1178:         FLYSArtifact flys = (FLYSArtifact) artifact;
ingo@1178: 
ingo@1178:         StateData data = flys.getData("wsp");
ingo@1178: 
ingo@1178:         if (data == null) {
ingo@1178:             throw new IllegalArgumentException("WSP is empty");
ingo@1178:         }
ingo@1178: 
ingo@1178:         return true;
ingo@1178:     }
ingo@1178: 
ingo@1178: 
ingo@1180:     @Override
ingo@1180:     protected Element createStaticData(
ingo@1180:         ElementCreator creator,
ingo@1180:         CallContext    cc,
ingo@1180:         String         name,
ingo@1180:         String         value,
ingo@1180:         String         type
ingo@1180:     ) {
ingo@1180:         Element dataElement = creator.create("data");
ingo@1180:         creator.addAttr(dataElement, "name", name, true);
ingo@1180:         creator.addAttr(dataElement, "type", type, true);
ingo@1180: 
ingo@1180:         Element itemElement = creator.create("item");
ingo@1180:         creator.addAttr(itemElement, "value", value, true);
ingo@1180: 
ingo@1180:         String[] labels = getLabels(cc, value);
ingo@1180:         Object[] obj    = new Object[] { labels[0] };
ingo@1180: 
ingo@1180:         String attrValue = Resources.getMsg(
ingo@1180:             cc.getMeta(), I18N_STATIC_KEY, I18N_STATIC_KEY, obj);
ingo@1180: 
ingo@1180:         creator.addAttr(itemElement, "label", attrValue, true);
ingo@1180:         dataElement.appendChild(itemElement);
ingo@1180: 
ingo@1180:         return dataElement;
ingo@1180:     }
ingo@1180: 
ingo@1180: 
felix@1655:     /**
felix@1655:      * Get name to display for selected watelerlevel (for example "Q=123")
felix@1655:      * from the CalculationResult. 
felix@1655:      */
ingo@1180:     public static String[] getLabels(CallContext cc, String value) {
ingo@1180:         String[] parts = value.split(SPLIT_CHAR);
ingo@1180: 
ingo@1180:         FLYSArtifact artifact = FLYSUtils.getArtifact(parts[0], cc);
ingo@1180: 
ingo@1180:         CalculationResult rawData = (CalculationResult) artifact.compute(
ingo@1180:             cc,
ingo@1180:             null,
ingo@1180:             WINFO_WSP_STATE_ID,
ingo@1180:             ComputeType.ADVANCE,
ingo@1180:             false);
ingo@1180: 
ingo@1180:         WQKms[] wqkms = (WQKms[]) rawData.getData();
ingo@1180: 
ingo@1180:         int idx = -1;
ingo@1180:         try {
ingo@1180:             idx = Integer.parseInt(parts[2]);
ingo@1180:         }
ingo@1180:         catch (NumberFormatException nfe) { /* do nothing */ }
ingo@1180: 
ingo@1657:         String name = wqkms[idx].getName();
ingo@1657: 
felix@1660:         return new String[] { StringUtil.wWrap(name) };
ingo@1180:     }
ingo@1180: 
ingo@1180: 
ingo@1178:     /**
ingo@1178:      * Validates the given String. A valid string for this state requires the
ingo@1178:      * format: "UUID;FACETNAME;FACETINDEX".
ingo@1178:      *
ingo@1178:      * @param value The string value requires validation.
ingo@1178:      *
ingo@1178:      * @return true, if the string applies the specified format, otherwise
ingo@1178:      * false.
ingo@1178:      */
ingo@1178:     public static boolean isValueValid(String value) {
ingo@1178:         logger.debug("Validate string: '" + value + "'");
ingo@1178: 
felix@1655:         value = StringUtil.unbracket(value);
ingo@1178: 
ingo@1178:         logger.debug("Validate substring: '" + value + "'");
ingo@1178: 
ingo@1178:         if (value == null || value.length() == 0) {
ingo@1178:             return false;
ingo@1178:         }
ingo@1178: 
ingo@1178:         String[] parts = value.split(SPLIT_CHAR);
ingo@1178: 
ingo@1178:         if (parts == null || parts.length < 3) {
ingo@1178:             return false;
ingo@1178:         }
ingo@1178: 
ingo@1178:         if (parts[0] == null || parts[0].length() == 0) {
ingo@1178:             return false;
ingo@1178:         }
ingo@1178: 
ingo@1178:         if (parts[1] == null || parts[1].length() == 0) {
ingo@1178:             return false;
ingo@1178:         }
ingo@1178: 
ingo@1178:         try {
ingo@1178:             Integer.parseInt(parts[2]);
ingo@1178:         }
ingo@1178:         catch (NumberFormatException nfe) {
ingo@1178:             logger.error("Index is not a valid integer!", nfe);
ingo@1178:         }
ingo@1178: 
ingo@1178:         return true;
ingo@1178:     }
ingo@1172: }
ingo@1172: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :