Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java @ 126:b18aebd1342f
Added an abstract base class DefaultState for States.
flys-artifacts/trunk@1466 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Mon, 14 Mar 2011 15:43:12 +0000 |
parents | |
children | 206312c2aa76 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java Mon Mar 14 15:43:12 2011 +0000 @@ -0,0 +1,118 @@ +package de.intevation.flys.artifacts.states; + +import java.util.Collection; +import java.util.Map; + +import org.apache.log4j.Logger; + +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.Node; + +import de.intevation.artifacts.CallContext; +import de.intevation.artifacts.ArtifactNamespaceContext; + +import de.intevation.artifacts.common.utils.XMLUtils; + +import de.intevation.artifactdatabase.ProtocolUtils; +import de.intevation.artifactdatabase.data.StateData; +import de.intevation.artifactdatabase.state.AbstractState; + +import de.intevation.flys.artifacts.resources.Resources; + + +/** + * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> + */ +public abstract class DefaultState extends AbstractState { + + /** The logger that is used in this class.*/ + private static Logger logger = Logger.getLogger(DefaultState.class); + + + public Element describe( + Document document, + Node root, + CallContext context, + String uuid) + { + XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator( + document, + ArtifactNamespaceContext.NAMESPACE_URI, + ArtifactNamespaceContext.NAMESPACE_PREFIX); + + Element ui = ProtocolUtils.createArtNode( + creator, "dynamic", null, null); + + Map<String, StateData> theData = getData(); + if (theData == null) { + return ui; + } + + Collection<StateData> dataItems = theData.values(); + + for (StateData data: dataItems) { + String name = data.getName(); + Element select = createData(creator, data, context); + + Element choices = ProtocolUtils.createArtNode( + creator, "choices", null, null); + + select.appendChild(choices); + ui.appendChild(select); + + Element[] items = createItems(creator, name, context); + for (Element item: items) { + choices.appendChild(item); + } + } + + return ui; + } + + + /** + * This method creates the root node that contains the list of selectable + * items. + * + * @param cr The ElementCreator. + * @param name The name of the amount of data. + * + * @return the root node of the item list. + */ + protected Element createData( + XMLUtils.ElementCreator cr, + StateData data, + CallContext context) + { + Element select = ProtocolUtils.createArtNode( + cr, "select", null, null); + cr.addAttr(select, "name", data.getName()); + + Element label = ProtocolUtils.createArtNode( + cr, "label", null, null); + + label.setTextContent(Resources.getMsg( + context.getMeta(), + getID(), + getID())); + + return select; + } + + + /** + * This method creates a list of items. These items represent the amount of + * input data that is possible for this state. + * + * @param cr The ElementCreator. + * @param name The name of the amount of data. + * + * @return a list of items. + */ + protected abstract Element[] createItems( + XMLUtils.ElementCreator cr, + String name, + CallContext context); +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :