--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/DatacageBackendListener.java	Mon Aug 01 14:58:15 2011 +0000
@@ -0,0 +1,167 @@
+package de.intevation.flys.artifacts.datacage;
+
+import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.ArtifactCollection;
+import de.intevation.artifacts.GlobalContext;
+import de.intevation.artifacts.User;
+
+import de.intevation.artifactdatabase.BackendListener;
+import de.intevation.artifactdatabase.Backend;
+
+import org.apache.log4j.Logger;
+
+import org.w3c.dom.Document;
+
+public class DatacageBackendListener
+implements   BackendListener
+{
+    private static Logger log =
+        Logger.getLogger(DatacageBackendListener.class);
+
+    protected GlobalContext context;
+
+    public DatacageBackendListener() {
+    }
+
+    protected BackendListener getListener() {
+        Object listener = context.get(Datacage.DATACAGE_KEY);
+        return listener instanceof BackendListener
+            ? (BackendListener)listener
+            : null;
+    }
+
+    @Override
+    public void setup(GlobalContext context) {
+        this.context = context;
+        BackendListener l = getListener();
+        if (l != null) {
+            l.setup(context);
+        }
+    }
+
+    @Override
+    public void createdArtifact(Artifact artifact, Backend backend) {
+        log.debug("createdArtifact");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.createdArtifact(artifact, backend);
+        }
+    }
+
+    @Override
+    public void storedArtifact(Artifact artifact, Backend backend) {
+        log.debug("storedArtifact");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.storedArtifact(artifact, backend);
+        }
+    }
+
+    @Override
+    public void createdUser(User user, Backend backend) {
+        log.debug("createdUser");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.createdUser(user, backend);
+        }
+    }
+
+    @Override
+    public void deletedUser(String identifier, Backend backend) {
+        log.debug("deletedUser");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.deletedUser(identifier, backend);
+        }
+    }
+
+    @Override
+    public void createdCollection(
+        ArtifactCollection collection,
+        Backend            backend
+    ) {
+        log.debug("createdCollection");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.createdCollection(collection, backend);
+        }
+    }
+
+    @Override
+    public void deletedCollection(String identifier, Backend backend) {
+        log.debug("deletedCollection");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.deletedCollection(identifier, backend);
+        }
+    }
+
+    @Override
+    public void changedCollectionAttribute(
+        String   identifier,
+        Document document,
+        Backend  backend
+    ) {
+        log.debug("changedCollectionAttribute");
+        BackendListener l = getListener();
+        if (l != null) {
+            changedCollectionAttribute(identifier, document, backend);
+        }
+    }
+
+    @Override
+    public void changedCollectionItemAttribute(
+        String   collectionId,
+        String   artifactId,
+        Document document,
+        Backend  backend
+    ) {
+        log.debug("changedCollectionItemAttribute");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.changedCollectionItemAttribute(
+                collectionId, artifactId, document, backend);
+        }
+    }
+
+    @Override
+    public void addedArtifactToCollection(
+        String  artifactId,
+        String  collectionId,
+        Backend backend
+    ) {
+        log.debug("addedArtifactToCollection");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.addedArtifactToCollection(
+                artifactId, collectionId, backend);
+        }
+    }
+
+    @Override
+    public void removedArtifactFromCollection(
+        String  artifactId,
+        String  collectionId,
+        Backend backend
+    ) {
+        log.debug("removedArtifactFromCollection");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.removedArtifactFromCollection(
+                artifactId, collectionId, backend);
+        }
+    }
+
+    @Override
+    public void setCollectionName(
+        String collectionId,
+        String name
+    ) {
+        log.debug("setCollectionName");
+        BackendListener l = getListener();
+        if (l != null) {
+            l.setCollectionName(collectionId, name);
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :