Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/AbstractStaticStateArtifact.java @ 5277:2435968b30b1
Use pattern matching for grain fraction in SedimentYieldParser
author | Tom Gottfried <tom@intevation.de> |
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date | Thu, 07 Mar 2013 09:46:11 +0100 |
parents | 79878efbdf07 |
children |
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package de.intevation.flys.artifacts; import java.util.ArrayList; import java.util.Collection; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.ArtifactNamespaceContext; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; import de.intevation.artifactdatabase.ProtocolUtils; import de.intevation.artifactdatabase.data.StateData; import de.intevation.artifactdatabase.state.State; import de.intevation.flys.artifacts.states.StaticState; /** * A abstract baseclass for Artifacts which are using only one static state. * * This class is intended to be used without the config/stateengine to generate * the static state. * * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public abstract class AbstractStaticStateArtifact extends StaticFLYSArtifact { private transient StaticState staticstate; private static final Logger logger = Logger.getLogger(AbstractStaticStateArtifact.class); /** * Get a list containing the one and only State. * @param context ignored. * @return list with one and only state. */ @Override protected List<State> getStates(Object context) { ArrayList<State> states = new ArrayList<State>(); states.add(getStaticState()); return states; } /** * Get the "current" state. * @param cc ignored. * @return always the set static state. */ @Override public State getCurrentState(Object cc) { return getStaticState(); } /** * A child class must override this method to set its static state */ protected abstract void initStaticState(); protected void setStaticState(StaticState state) { this.staticstate = state; } protected StaticState getStaticState() { if (staticstate == null) { initStaticState(); } return staticstate; } /** * Get the state. * @param context ignored. * @param stateID ignored. * @return the state. */ @Override protected State getState(Object context, String stateID) { return getStaticState(); } @Override public Document describe(Document data, CallContext cc) { logger.debug("Describe artifact: " + identifier()); Document desc = XMLUtils.newDocument(); ElementCreator creator = new ElementCreator( desc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); Element root = ProtocolUtils.createRootNode(creator); desc.appendChild(root); Element name = ProtocolUtils.createArtNode( creator, "name", new String[] { "value" }, new String[] { getName() }); root.appendChild(name); root.appendChild(createOutputModes(cc, desc, creator)); ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash()); // Add the data to an anonymous state. Collection<StateData> datas = getAllData(); if (datas.size() > 0) { Element ui = creator.create("ui"); Element staticE = creator.create("static"); StaticState current = getStaticState(); Element state = current.describeStatic(this, desc, root, cc, null); staticE.appendChild(state); for (StateData dataItem : datas) { Element itemelent = creator.create("data"); creator.addAttr(itemelent, "name", dataItem.getName(), true); creator.addAttr(itemelent, "type", dataItem.getType(), true); state.appendChild(itemelent); Element valuement = creator.create("item"); creator.addAttr(valuement, "label", dataItem.getDescription(), true); creator.addAttr(valuement, "value", dataItem.getValue().toString(), true); itemelent.appendChild(valuement); } ui.appendChild(staticE); root.appendChild(ui); } return desc; } }