Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/RiverSelect.java @ 1176:28154920e0b3
Introduced the possibility for States to transform/modify input before the data is added to FLYSArtifact.
flys-artifacts/trunk@2761 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 15 Sep 2011 15:05:24 +0000 |
parents | eccf966fb677 |
children | cbe2febe30cc |
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package de.intevation.flys.artifacts.states; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Element; import org.w3c.dom.Node; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifactdatabase.ProtocolUtils; import de.intevation.artifactdatabase.data.StateData; import de.intevation.flys.model.River; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.model.RiverFactory; import de.intevation.flys.artifacts.resources.Resources; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class RiverSelect extends DefaultState { /** The logger used in this class. */ private static Logger logger = Logger.getLogger(RiverSelect.class); /** Error message that is thrown if no river was found based on a given * name.*/ public static final String ERROR_NO_SUCH_RIVER = "error_feed_no_such_river"; /** Error message that is thrown if no river was found based on a given * name.*/ public static final String ERROR_NO_RIVER_SELECTED = "error_feed_no_river_selected"; /** * The default constructor that initializes an empty State object. */ public RiverSelect() { } /** * Initialize the state based on the state node in the configuration. * * @param config The state configuration node. */ public void setup(Node config) { super.setup(config); } protected Element createData( XMLUtils.ElementCreator cr, Artifact artifact, StateData data, CallContext context) { Element select = ProtocolUtils.createArtNode( cr, "select", new String[] { "uiprovider" }, new String[] { "select_with_map" }); cr.addAttr(select, "name", data.getName(), true); Element label = ProtocolUtils.createArtNode( cr, "label", null, null); Element choices = ProtocolUtils.createArtNode( cr, "choices", null, null); select.appendChild(label); label.setTextContent(Resources.getMsg( context.getMeta(), getID(), getID())); return select; } @Override protected Element[] createItems( XMLUtils.ElementCreator cr, Artifact artifact, String name, CallContext context) { List<River> rivers = RiverFactory.getRivers(); Element[] items = new Element[rivers.size()]; int idx = 0; for (River river: rivers) { items[idx++] = createRiverItem(cr, river); } return items; } /** * This method creates a node that represents a river item. This node * contains the label and the value that describe the river. * * @param cr The ElementCreator. * @param river The river. * * @return the element that contains the information about the river. */ protected Element createRiverItem(XMLUtils.ElementCreator cr, River river) { Element item = ProtocolUtils.createArtNode(cr, "item", null, null); Element label = ProtocolUtils.createArtNode(cr, "label", null, null); Element value = ProtocolUtils.createArtNode(cr, "value", null, null); label.setTextContent(river.getName()); value.setTextContent(river.getName()); item.appendChild(label); item.appendChild(value); return item; } @Override public boolean validate(Artifact artifact) throws IllegalArgumentException { logger.debug("RiverSelect.validate"); FLYSArtifact flys = (FLYSArtifact) artifact; StateData dRiver = getData(flys, "river"); if (dRiver == null || dRiver.getValue() == null) { throw new IllegalArgumentException(ERROR_NO_RIVER_SELECTED); } River river = RiverFactory.getRiver((String) dRiver.getValue()); if (river == null) { throw new IllegalArgumentException(ERROR_NO_SUCH_RIVER); } return true; } @Override protected String getUIProvider() { return "river_panel"; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :