ingo@475: package de.intevation.gnv.artifacts.fis;
ingo@475: 
ingo@475: import de.intevation.artifactdatabase.DefaultArtifact;
ingo@475: import de.intevation.artifactdatabase.ProxyArtifact;
ingo@475: import de.intevation.artifactdatabase.XMLUtils;
sascha@479: 
ingo@475: import de.intevation.artifacts.Artifact;
ingo@475: import de.intevation.artifacts.ArtifactFactory;
ingo@475: import de.intevation.artifacts.ArtifactNamespaceContext;
ingo@475: import de.intevation.artifacts.CallContext;
ingo@475: import de.intevation.artifacts.CallMeta;
sascha@479: 
ingo@475: import de.intevation.gnv.artifacts.GNVArtifactBase;
ingo@478: import de.intevation.gnv.artifacts.GNVProductArtifactFactory;
sascha@479: 
ingo@475: import de.intevation.gnv.artifacts.fis.product.Product;
sascha@479: 
ingo@475: import de.intevation.gnv.artifacts.ressource.RessourceFactory;
sascha@479: 
ingo@475: import de.intevation.gnv.state.InputData;
ingo@475: 
sascha@479: import java.io.IOException;
sascha@479: import java.io.OutputStream;
sascha@479: 
sascha@479: import java.util.Collection;
sascha@479: import java.util.Iterator;
sascha@479: import java.util.Map;
sascha@479: 
sascha@479: import org.apache.log4j.Logger;
sascha@479: 
sascha@479: import org.w3c.dom.Document;
sascha@479: import org.w3c.dom.Element;
sascha@479: import org.w3c.dom.Node;
ingo@475: 
ingo@475: /**
ingo@475:  * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
ingo@475:  */
ingo@475: public class SelectProductArtifact extends DefaultArtifact {
ingo@475: 
ingo@475:     public static final String XPATH_UUID = "art:action/art:uuid/@value";
ingo@475: 
ingo@475:     public static final String XPATH_HASH = "art:action/art:hash/@value";
ingo@475: 
ingo@475:     public static final String XPATH_INPUT_DATA_VALUE =
ingo@475:         "art:action/art:data/art:input[@name='product']/@value";
ingo@475: 
ingo@475:     public static final String XFORM_URL    = "http://www.w3.org/2002/xforms";
ingo@475:     public static final String XFORM_PREFIX = "xform";
ingo@475: 
ingo@475:     private static Logger log = Logger.getLogger(SelectProductArtifact.class);
ingo@475: 
ingo@478:     private Map      products;
ingo@475:     private Product  current;
ingo@475:     private Artifact artifact;
ingo@475:     private String   name;
ingo@475: 
ingo@475:     public SelectProductArtifact() {
ingo@475:         super();
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     @Override
ingo@475:     public void setup(
ingo@475:         String          identifier,
ingo@475:         ArtifactFactory factory,
ingo@475:         Object          context
ingo@475:     ) {
ingo@475:         log.debug("setup()");
ingo@475:         super.setup(identifier, factory, context);
ingo@475:         this.name = factory.getName();
ingo@478:     }
ingo@475: 
ingo@475: 
ingo@478:     public void setProducts(Map products) {
ingo@478:         this.products = products;
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     @Override
ingo@475:     public Document feed(Document target, CallContext context) {
ingo@475:         log.debug("SelectProductArtifact.feed()");
ingo@475: 
ingo@475:         if (artifact == null) {
ingo@475:             Document document    = XMLUtils.newDocument();
ingo@475:             String   productName = XMLUtils.xpathString(
ingo@475:                 target,
ingo@475:                 XPATH_INPUT_DATA_VALUE,
ingo@475:                 ArtifactNamespaceContext.INSTANCE
ingo@475:             );
ingo@475: 
ingo@475:             current = (Product) products.get(productName);
ingo@475: 
ingo@475:             String reportNode = null;
ingo@475:             String resultNode = null;
ingo@475:             String msg        = null;
ingo@475: 
ingo@475:             if (current != null) {
ingo@475:                 reportNode = "result";
ingo@475:                 resultNode = "success";
ingo@475:                 msg        = "Feed was successfully. New Artifact created.";
ingo@475:             }
ingo@475:             else {
ingo@475:                 reportNode = "exceptionreport";
ingo@475:                 resultNode = "exception";
ingo@475:                 msg        = "Product does not exist.";
ingo@475:             }
ingo@475: 
ingo@475:             XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@475:                 document,
ingo@475:                 ArtifactNamespaceContext.NAMESPACE_URI,
ingo@475:                 ArtifactNamespaceContext.NAMESPACE_PREFIX
ingo@475:             );
ingo@475: 
ingo@475:             Element report  = creator.create(reportNode);
ingo@475:             Element success = creator.create(resultNode);
ingo@475:             success.setTextContent(msg);
ingo@475:             report.appendChild(success);
ingo@475:             document.appendChild(report);
ingo@475: 
ingo@475:             return document;
ingo@475:         }
ingo@475:         else {
ingo@475:             return artifact.feed(target, context);
ingo@475:         }
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     @Override
ingo@475:     public Document advance(Document target, CallContext context) {
ingo@475:         log.debug("SelectProductArtifact.advance()");
ingo@475: 
ingo@475:         if (artifact != null) {
ingo@475:             Document result = artifact.advance(target, context);
ingo@475:             context.putContextValue(ProxyArtifact.REPLACE_PROXY, artifact);
ingo@475:             return result;
ingo@475:         }
ingo@475: 
ingo@475:         Document result = XMLUtils.newDocument();
ingo@475:         if (current == null) {
ingo@475:             // artifact needs to be feeded first
ingo@475:             String msg = "Artifact is not configured properly. Call 'feed' fist.";
ingo@475:             log.error(msg);
ingo@475: 
ingo@475:             XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@475:                 result,
ingo@475:                 ArtifactNamespaceContext.NAMESPACE_URI,
ingo@475:                 ArtifactNamespaceContext.NAMESPACE_PREFIX
ingo@475:             );
ingo@475: 
ingo@475:             Element report = creator.create("exceptionreport");
ingo@475:             Element exception = creator.create("exception");
ingo@475:             exception.setTextContent(msg);
ingo@475:             report.appendChild(exception);
ingo@475:             result.appendChild(report);
ingo@475: 
ingo@475:             return result;
ingo@475:         }
ingo@475: 
ingo@475:         String uuid = XMLUtils.xpathString(
ingo@475:             target, XPATH_UUID, ArtifactNamespaceContext.INSTANCE
ingo@475:         );
ingo@475: 
ingo@475:         String hash = XMLUtils.xpathString(
ingo@475:             target, XPATH_HASH, ArtifactNamespaceContext.INSTANCE
ingo@475:         );
ingo@475: 
ingo@478:         // fetch ArtifactFactory from context and create a new Artifact
ingo@478:         ArtifactFactory factory = context.getDatabase()
ingo@478:             .getInternalArtifactFactory(this.name);
ingo@478:         factory                 = ((GNVProductArtifactFactory)factory)
ingo@478:             .getArtifactFactoryByName(current.getName());
ingo@478:         artifact                = factory.createArtifact(uuid, context);
ingo@475: 
ingo@475:         Document feedDocument = feedDocument(uuid, hash);
ingo@475:         artifact.feed(feedDocument(uuid, hash), context);
ingo@475: 
ingo@475:         result = ((GNVArtifactBase) artifact).initialize(context);
ingo@475:         if (artifact instanceof GNVArtifactBase) {
ingo@475:             ((GNVArtifactBase) artifact).setProduct(current);
ingo@475:         }
ingo@475:         context.putContextValue(ProxyArtifact.REPLACE_PROXY, artifact);
ingo@475:         return result;
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     @Override
ingo@475:     public Document describe(Document data, CallContext context) {
ingo@475:         log.debug("SelectProductArtifact.describe()");
ingo@475: 
ingo@475:         // create root node
ingo@475:         Document document               = XMLUtils.newDocument();
ingo@475:         XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@475:             document,
ingo@475:             ArtifactNamespaceContext.NAMESPACE_URI,
ingo@475:             ArtifactNamespaceContext.NAMESPACE_PREFIX
ingo@475:         );
ingo@475: 
ingo@475:         Element rootNode = creator.create("result");
ingo@475:         Element typeNode = creator.create("type");
ingo@475:         creator.addAttr(typeNode, "name", "describe");
ingo@475:         rootNode.appendChild(typeNode);
ingo@475: 
ingo@475:         Element uuidNode = creator.create("uuid");
ingo@475:         creator.addAttr(uuidNode, "value", super.identifier);
ingo@475:         rootNode.appendChild(uuidNode);
ingo@475: 
ingo@475:         Element hashNode = creator.create("hash");
ingo@475:         creator.addAttr(hashNode, "value", hash());
ingo@475:         rootNode.appendChild(hashNode);
ingo@475: 
ingo@475:         // create output node
ingo@475:         Element out = creator.create("outputs");
ingo@475:         rootNode.appendChild(out);
ingo@475: 
ingo@475:         // create current state
ingo@475:         Element state = creator.create("state");
ingo@475:         creator.addAttr(state, "name", "choose-product");
ingo@475:         creator.addAttr(state, "description", "Auswahl des Produktes.");
ingo@475:         rootNode.appendChild(state);
ingo@475: 
ingo@475:         // create reachable states
ingo@475:         Element rStates = creator.create("reachable-states");
ingo@475:         appendProducts(document, rStates, context);
ingo@475:         rootNode.appendChild(rStates);
ingo@475: 
ingo@475:         // create model
ingo@475:         Element model = creator.create("model");
ingo@475:         Element input = creator.create("input");
ingo@475:         creator.addAttr(input, "name", "product");
ingo@475:         creator.addAttr(input, "type", "String");
ingo@475:         model.appendChild(input);
ingo@475:         rootNode.appendChild(model);
ingo@475: 
ingo@475:         // create ui
ingo@475:         Element ui      = creator.create("ui");
ingo@475:         Element dynamic = creator.create("dynamic");
ingo@475:         appendSelectProducts(document, dynamic, context.getMeta());
ingo@475:         ui.appendChild(dynamic);
ingo@475:         rootNode.appendChild(ui);
ingo@475: 
ingo@475:         document.appendChild(rootNode);
ingo@475:         return document;
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     @Override
ingo@475:     public void out(Document document, OutputStream out, CallContext context)
ingo@475:     throws IOException
ingo@475:     {
ingo@475:         log.debug("SelectProductArtifact.out()");
ingo@475:         if (artifact != null) {
ingo@475:             artifact.out(document, out, context);
ingo@475:         }
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     protected void appendProducts(
ingo@475:         Document document,
ingo@475:         Node     parent,
ingo@475:         Object   context
ingo@475:     ) {
ingo@475:         Iterator iter = products.values().iterator();
ingo@475: 
ingo@475:         XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@475:             document,
ingo@475:             ArtifactNamespaceContext.NAMESPACE_URI,
ingo@475:             ArtifactNamespaceContext.NAMESPACE_PREFIX
ingo@475:         );
ingo@475: 
ingo@475:         while(iter.hasNext()) {
ingo@475:             Product prod = (Product) iter.next();
ingo@475:             String  name = prod.getName();
ingo@475: 
ingo@475:             Element current = creator.create("state");
ingo@475:             creator.addAttr(current, "name", name);
ingo@475:             creator.addAttr(current, "description", name);
ingo@475:             parent.appendChild(current);
ingo@475:         }
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     protected void appendSelectProducts(
ingo@475:         Document document,
ingo@475:         Node     node,
ingo@475:         CallMeta callMeta
ingo@475:     ) {
ingo@475:         RessourceFactory ressource = RessourceFactory.getInstance();
ingo@475: 
ingo@475:         XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@475:             document,
ingo@475:             XFORM_URL,
ingo@475:             XFORM_PREFIX
ingo@475:         );
ingo@475: 
ingo@475:         String  selectboxName = "product";
ingo@475:         Element selectNode    = creator.create("select1");
ingo@475:         creator.addAttr(selectNode, "ref", selectboxName);
ingo@475: 
ingo@475:         Element lableNode = creator.create("label");
ingo@475:         lableNode.setTextContent(ressource.getRessource(callMeta.getLanguages(),
ingo@475:                 selectboxName,
ingo@475:                 selectboxName
ingo@475:             )
ingo@475:         );
ingo@475: 
ingo@475:         Element choiceNode = creator.create("choices");
ingo@475:         selectNode.appendChild(lableNode);
ingo@475:         selectNode.appendChild(choiceNode);
ingo@475: 
ingo@475:         Iterator it = products.values().iterator();
ingo@475:         while (it.hasNext()) {
ingo@475:             Product p               = (Product) it.next();
ingo@475:             Element itemNode        = creator.create("item");
ingo@475:             Element choiceLableNode = creator.create("label");
ingo@475:             choiceLableNode.setTextContent(ressource.getRessource(
ingo@475:                 callMeta.getLanguages(),
ingo@475:                 p.getName(),
ingo@475:                 p.getName()
ingo@475:             ));
ingo@475:             itemNode.appendChild(choiceLableNode);
ingo@475: 
ingo@475:             Element choiceValueNode = creator.create("value");
ingo@475:             choiceValueNode.setTextContent(p.getName());
ingo@475:             itemNode.appendChild(choiceValueNode);
ingo@475:             choiceNode.appendChild(itemNode);
ingo@475:         }
ingo@475: 
ingo@475:         node.appendChild(selectNode);
ingo@475:     }
ingo@475: 
ingo@475: 
ingo@475:     protected Document feedDocument(String uuid, String hash) {
ingo@475:         Document document = XMLUtils.newDocument();
ingo@475: 
ingo@475:         XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@475:             document,
ingo@475:             ArtifactNamespaceContext.NAMESPACE_URI,
ingo@475:             ArtifactNamespaceContext.NAMESPACE_PREFIX
ingo@475:         );
ingo@475:         Element  rootNode = creator.create("action");
ingo@475: 
ingo@475:         Element typeNode = creator.create("type");
ingo@475:         creator.addAttr(typeNode, "name", "feed");
ingo@475:         rootNode.appendChild(typeNode);
ingo@475: 
ingo@475:         Element uuidNode = creator.create("uuid");
ingo@475:         creator.addAttr(uuidNode, "value", uuid);
ingo@475:         rootNode.appendChild(uuidNode);
ingo@475: 
ingo@475:         Element hashNode = creator.create("hash");
ingo@475:         creator.addAttr(hashNode, "value", hash);
ingo@475:         rootNode.appendChild(hashNode);
ingo@475: 
ingo@475:         Element dataNode = creator.create("data");
ingo@475:         rootNode.appendChild(dataNode);
ingo@475: 
ingo@475:         Collection<InputData> parameter = this.current.getParameter();
ingo@475:         if (parameter != null) {
ingo@475:             Iterator<InputData> parameterIt = parameter.iterator();
ingo@475: 
ingo@475:             while (parameterIt.hasNext()) {
ingo@475:                 InputData inputData = parameterIt.next();
ingo@475: 
ingo@475:                 Element inputNode = creator.create("input");
ingo@475:                 creator.addAttr(inputNode, "name", inputData.getName());
ingo@475:                 creator.addAttr(inputNode, "value", inputData.getValue());
ingo@475:                 dataNode.appendChild(inputNode);
ingo@475:             }
ingo@475:         }
ingo@475:         document.appendChild(rootNode);
ingo@475:         return document;
ingo@475:     }
ingo@475: }
ingo@475: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: