dive4elements/river: flys-artifacts/src/main/java/de/intevation/flys/collections/FLYSArtifactCollection.java comparison

comparison flys-artifacts/src/main/java/de/intevation/flys/collections/FLYSArtifactCollection.java @ 350:2465dc296395

The OutGenerator gets the theme of a facet while output creation. flys-artifacts/trunk@1754 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Ingo Weinzierl <ingo.weinzierl@intevation.de>
date	Thu, 28 Apr 2011 08:14:20 +0000
parents	a63d8bdb2d79
children	8378683fa07a

comparison

equal deleted inserted replaced

-:6167ae622ce0
+:2465dc296395
 import de.intevation.artifacts.ArtifactDatabaseException;
 import de.intevation.artifacts.ArtifactNamespaceContext;
 import de.intevation.artifacts.CallContext;
 import de.intevation.artifacts.CallMeta;
+import de.intevation.artifacts.common.utils.ClientProtocolUtils;
 import de.intevation.artifacts.common.utils.XMLUtils;
 import de.intevation.artifactdatabase.Backend;
 import de.intevation.artifactdatabase.Backend.PersistentArtifact;
 import de.intevation.artifactdatabase.DefaultArtifactCollection;
 import de.intevation.flys.artifacts.context.FLYSContext;
 import de.intevation.flys.artifacts.model.ManagedFacet;
 import de.intevation.flys.exports.OutGenerator;
+import de.intevation.flys.themes.Theme;
+import de.intevation.flys.themes.ThemeFactory;
 /**
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
 }
 generator.init(format, out, context);
 try {
-doOut(generator, getAttribute(context, name), context);
+doOut(generator, name, getAttribute(context, name), context);
 }
 catch (ArtifactDatabaseException adbe) {
 log.error(adbe, adbe);
 }
 }
 /**
 * This method creates the concrete output.
 *
 * @param generator The OutGenerator that creates the output.
+* @param outputName The name of the requested output.
 * @param attributes The collection's attributes for this concrete output
 * type.
 * @param context The context object.
 */
 protected void doOut(
 OutGenerator generator,
+String       outName,
 Document     attributes,
 CallContext  context)
 throws IOException
 {
-log.debug("FLYSArtifactCollection.doOut");
+log.debug("FLYSArtifactCollection.doOut: " + outName);
 ThemeList themeList = new ThemeList(attributes);
 int size = themeList.size();
 log.debug("Output will contain " + size + " elements.");
 log.debug("... facet: " + theme.getName());
 }
 generator.doOut(
 getArtifact(art, context),
-getArtifactAttribute(art, context));
+getFacetThemeFromAttribute(
+art,
+outName,
+theme.getName(),
+context));
 }
 }
 catch (ArtifactDatabaseException ade) {
 log.error(ade, ade);
 }
 /**
 * Returns the attribute that belongs to an artifact stored in this
 * collection.
 *
 * @param uuid The Artifact's uuid.
+* @param outname The name of the requested output.
+* @param facet The name of the requested facet.
 * @param context The CallContext.
 *
 * @return an attribute in form of a document.
 */
-protected Document getArtifactAttribute(String uuid, CallContext context)
+protected Document getFacetThemeFromAttribute(
+String      uuid,
+String      outName,
+String      facet,
+CallContext context)
 throws    ArtifactDatabaseException
 {
-log.debug("FLYSArtifactCollection.getArtifactAttribute");
+log.debug("FLYSArtifactCollection.getFacetThemeFromAttribute");
-// TODO FILL ME
+ArtifactDatabase db = context.getDatabase();
-return null;
+CallMeta       meta = context.getMeta();
+FLYSContext flysContext = context instanceof FLYSContext
+? (FLYSContext) context
+: (FLYSContext) context.globalContext();
+Map<String, String> mappings = (Map<String, String>)
+flysContext.get(FLYSContext.THEME_MAPPING);
+String themeName = mappings.get(facet);
+Document attr = db.getCollectionItemAttribute(identifier(), uuid, meta);
+if (attr == null) {
+attr = initItemAttribute(uuid, facet, context);
+if (attr == null) {
+return null;
+}
+}
+log.debug("Search attribute of collection item: " + uuid);
+Node tmp = (Node) XMLUtils.xpath(
+attr,
+"/art:attribute",
+XPathConstants.NODE,
+ArtifactNamespaceContext.INSTANCE);
+if (tmp == null) {
+log.warn("No attribute found. Operation failed.");
+return null;
+}
+log.debug("Search theme '" + themeName + "' in attribute.");
+Node theme = (Node) XMLUtils.xpath(
+tmp,
+"art:themes/theme[@name='" + themeName + "']",
+XPathConstants.NODE,
+ArtifactNamespaceContext.INSTANCE);
+if (theme == null) {
+log.warn("Could not find the theme in attribute of: " + uuid);
+Theme t = getThemeForFacet(uuid, facet, context);
+if (t == null) {
+log.warn("No theme found for facet: " + facet);
+return null;
+}
+addThemeToAttribute(uuid, attr, t, context);
+theme   = t.toXML().getFirstChild();
+}
+Document doc = XMLUtils.newDocument();
+doc.appendChild(doc.importNode(theme, true));
+return doc;
+}
+/**
+* Adds the theme of a facet to a CollectionItem's attribute.
+*
+* @param uuid The uuid of the artifact.
+* @param attr The current attribute of an artifact.
+* @param t The theme to add.
+* @param context The CallContext.
+*/
+protected void addThemeToAttribute(
+String      uuid,
+Document    attr,
+Theme       t,
+CallContext context)
+{
+log.debug("FLYSArtifactCollection.addThemeToAttribute: " + uuid);
+if (t == null) {
+log.warn("Theme is empty - cancel adding it to attribute!");
+return;
+}
+XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
+attr,
+ArtifactNamespaceContext.NAMESPACE_URI,
+ArtifactNamespaceContext.NAMESPACE_PREFIX);
+Node tmp = (Node) XMLUtils.xpath(
+attr,
+"/art:attribute",
+XPathConstants.NODE,
+ArtifactNamespaceContext.INSTANCE);
+if (tmp == null) {
+tmp = ec.create("attribute");
+attr.appendChild(tmp);
+}
+Node themes = (Node) XMLUtils.xpath(
+tmp,
+"art:themes",
+XPathConstants.NODE,
+ArtifactNamespaceContext.INSTANCE);
+if (themes == null) {
+themes = ec.create("themes");
+tmp.appendChild(themes);
+}
+themes.appendChild(attr.importNode(t.toXML().getFirstChild(), true));
+try {
+setCollectionItemAttribute(uuid, attr, context);
+log.debug("Successfully added theme to item attribute.");
+}
+catch (ArtifactDatabaseException e) {
+// do nothing
+log.warn("Cannot set attribute of item: " + uuid);
+}
+}
+/**
+* Initializes the attribute of an collection item with the theme of a
+* specific facet.
+*
+* @param uuid The uuid of an artifact.
+* @param facet The name of a facet.
+* @param context The CallContext.
+*
+* @param the new attribute.
+*/
+protected Document initItemAttribute(
+String      uuid,
+String      facet,
+CallContext context)
+{
+log.info("FLYSArtifactCollection.initItemAttribute");
+Theme t = getThemeForFacet(uuid, facet, context);
+if (t == null) {
+log.info("Could not find theme for facet. Cancel initialization.");
+return null;
+}
+Document attr = XMLUtils.newDocument();
+addThemeToAttribute(uuid, attr, t, context);
+return attr;
+}
+/**
+* Sets the attribute of a CollectionItem specified by <i>uuid</i> to a new
+* value <i>attr</i>.
+*
+* @param uuid The uuid of the CollectionItem.
+* @param attr The new attribute for the CollectionItem.
+* @param context The CallContext.
+*/
+public void setCollectionItemAttribute(
+String      uuid,
+Document    attr,
+CallContext context)
+throws ArtifactDatabaseException
+{
+Document doc = ClientProtocolUtils.newSetItemAttributeDocument(
+uuid,
+attr);
+if (doc == null) {
+log.warn("Cannot set item attribute: No attribute found.");
+return;
+}
+ArtifactDatabase db = context.getDatabase();
+CallMeta       meta = context.getMeta();
+db.setCollectionItemAttribute(identifier(), uuid, doc, meta);
+}
+/**
+* Returns the theme of a specific facet.
+*
+* @param uuid The uuid of an artifact.
+* @param facet The name of the facet.
+* @param context The CallContext object.
+*
+* @return the desired theme.
+*/
+protected Theme getThemeForFacet(
+String uuid,
+String facet,
+CallContext context)
+{
+log.info("FLYSArtifactCollection.getThemeForFacet: " + facet);
+FLYSContext flysContext = context instanceof FLYSContext
+? (FLYSContext) context
+: (FLYSContext) context.globalContext();
+return ThemeFactory.getTheme(flysContext, facet);
 }
 /**
 * Returns the OutGenerator for a specified <i>type</i>.

Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/collections/FLYSArtifactCollection.java @ 350:2465dc296395