Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/FLYSArtifactCreator.java @ 262:44a340c9becc
Added stub for meta data service.
flys-client/trunk@1881 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Tue, 10 May 2011 13:44:57 +0000 |
parents | 7f7f6d2c4b2c |
children | c9549074ecd1 |
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package de.intevation.flys.client.server; import org.w3c.dom.Document; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.common.ArtifactNamespaceContext; import de.intevation.artifacts.httpclient.utils.ArtifactCreator; import de.intevation.flys.client.shared.model.Artifact; import de.intevation.flys.client.shared.model.DefaultArtifact; import de.intevation.flys.client.shared.model.WINFOArtifact; /** * An implementation of an {@link ArtifactCreator}. This class uses the document * that is returned by the artifact server to parse important information (like * uuid, hash) and returns a new {@link Artifact} instance. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class FLYSArtifactCreator implements ArtifactCreator { /** The XPath to the artifact's uuid.*/ public static final String XPATH_UUID = "/art:result/art:uuid/@art:value"; /** The XPath to the artifact's hash value.*/ public static final String XPATH_HASH = "/art:result/art:hash/@art:value"; /** The XPath to the artifact's name value.*/ public static final String XPATH_NAME = "/art:result/art:name/@art:value"; /** * Creates a new instance of an {@link ArtifactCreator}. */ public FLYSArtifactCreator() { } /** * This concreate implementation returns an instance of {@link Artifact} * that is used in the FLYS GWT Client code. * * @param doc A document that describes the artifact that has been created * in the artifact server. * * @return an instance if {@link Artifact}. */ public Object create(Document doc) { Artifact artifact = extractArtifact(doc); artifact.setArtifactDescription( ArtifactDescriptionFactory.createArtifactDescription(doc)); return artifact; } /** * This method extracts the UUID und HASH information of the returned * artifact document. * * @param doc The result of the CREATE operation. * * @return an instance of an {@link Artifact}. */ protected Artifact extractArtifact(Document doc) { System.out.println("FLYSArtifactCreator - extractArtifact()"); String uuid = XMLUtils.xpathString( doc, XPATH_UUID, ArtifactNamespaceContext.INSTANCE); String hash = XMLUtils.xpathString( doc, XPATH_HASH, ArtifactNamespaceContext.INSTANCE); String name = XMLUtils.xpathString( doc, XPATH_NAME, ArtifactNamespaceContext.INSTANCE); System.out.println("NEW Artifact UUID: " + uuid); System.out.println("NEW Artifact HASH: " + hash); System.out.println("NEW Artifact NAME: " + name); if (name == null) { return new DefaultArtifact(uuid, hash); } name = name.trim(); if (name.length() > 0 && name.equals("winfo")) { System.out.println("+++++ NEW WINFO ARTIFACT."); return new WINFOArtifact(uuid, hash); } return new DefaultArtifact(uuid, hash); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :