ingo@14: package de.intevation.flys.client.server;
ingo@14: 
ingo@14: import org.w3c.dom.Document;
ingo@14: 
ingo@16: import de.intevation.artifacts.common.utils.XMLUtils;
ingo@16: import de.intevation.artifacts.common.ArtifactNamespaceContext;
ingo@16: 
ingo@14: import de.intevation.artifacts.httpclient.utils.ArtifactCreator;
ingo@14: 
ingo@14: import de.intevation.flys.client.shared.model.Artifact;
ingo@14: import de.intevation.flys.client.shared.model.DefaultArtifact;
ingo@227: import de.intevation.flys.client.shared.model.WINFOArtifact;
ingo@14: 
ingo@14: 
ingo@14: /**
ingo@14:  * An implementation of an {@link ArtifactCreator}. This class uses the document
ingo@14:  * that is returned by the artifact server to parse important information (like
ingo@14:  * uuid, hash) and returns a new {@link Artifact} instance.
ingo@14:  *
ingo@14:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@14:  */
ingo@14: public class FLYSArtifactCreator implements ArtifactCreator {
ingo@14: 
ingo@16:     /** The XPath to the artifact's uuid.*/
ingo@16:     public static final String XPATH_UUID = "/art:result/art:uuid/@art:value";
ingo@16: 
ingo@16:     /** The XPath to the artifact's hash value.*/
ingo@16:     public static final String XPATH_HASH = "/art:result/art:hash/@art:value";
ingo@16: 
ingo@227:     /** The XPath to the artifact's name value.*/
ingo@227:     public static final String XPATH_NAME = "/art:result/art:name/@art:value";
ingo@227: 
ingo@16: 
ingo@14:     /**
ingo@14:      * Creates a new instance of an {@link ArtifactCreator}.
ingo@14:      */
ingo@14:     public FLYSArtifactCreator() {
ingo@14:     }
ingo@14: 
ingo@14: 
ingo@14:     /**
ingo@14:      * This concreate implementation returns an instance of {@link Artifact}
ingo@14:      * that is used in the FLYS GWT Client code.
ingo@14:      *
ingo@14:      * @param doc A document that describes the artifact that has been created
ingo@14:      * in the artifact server.
ingo@14:      *
ingo@14:      * @return an instance if {@link Artifact}.
ingo@14:      */
ingo@14:     public Object create(Document doc) {
ingo@16:         Artifact artifact = extractArtifact(doc);
ingo@16:         artifact.setArtifactDescription(
ingo@16:             ArtifactDescriptionFactory.createArtifactDescription(doc));
ingo@16: 
ingo@16:         return artifact;
ingo@16:     }
ingo@16: 
ingo@16: 
ingo@16:     /**
ingo@16:      * This method extracts the UUID und HASH information of the returned
ingo@16:      * artifact document.
ingo@16:      *
ingo@16:      * @param doc The result of the CREATE operation.
ingo@16:      *
ingo@16:      * @return an instance of an {@link Artifact}.
ingo@16:      */
ingo@16:     protected Artifact extractArtifact(Document doc) {
ingo@16:         System.out.println("FLYSArtifactCreator - extractArtifact()");
ingo@16: 
ingo@16:         String uuid = XMLUtils.xpathString(
ingo@16:             doc, XPATH_UUID, ArtifactNamespaceContext.INSTANCE);
ingo@16: 
ingo@16:         String hash = XMLUtils.xpathString(
ingo@16:             doc, XPATH_HASH, ArtifactNamespaceContext.INSTANCE);
ingo@16: 
ingo@227:         String name = XMLUtils.xpathString(
ingo@227:             doc, XPATH_NAME, ArtifactNamespaceContext.INSTANCE);
ingo@227: 
ingo@16:         System.out.println("NEW Artifact UUID: " + uuid);
ingo@16:         System.out.println("NEW Artifact HASH: " + hash);
ingo@227:         System.out.println("NEW Artifact NAME: " + name);
ingo@227: 
ingo@227:         if (name == null) {
ingo@227:             return new DefaultArtifact(uuid, hash);
ingo@227:         }
ingo@227: 
ingo@227:         name = name.trim();
ingo@227: 
ingo@227:         if (name.length() > 0 && name.equals("winfo")) {
ingo@227:             System.out.println("+++++ NEW WINFO ARTIFACT.");
ingo@227:             return new WINFOArtifact(uuid, hash);
ingo@227:         }
ingo@16: 
ingo@16:         return new DefaultArtifact(uuid, hash);
ingo@14:     }
ingo@14: }
ingo@14: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :