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From cziege...@apache.org
Subject svn commit: r1030807 - in /sling/trunk/samples/slingshot: pom.xml src/main/java/org/apache/sling/sample/slingshot/impl/AutomaticTaggingService.java
Date Thu, 04 Nov 2010 02:27:59 GMT
Author: cziegeler
Date: Thu Nov  4 02:27:59 2010
New Revision: 1030807

URL: http://svn.apache.org/viewvc?rev=1030807&view=rev
Log:
Add simple automatic taggin service

Added:
    sling/trunk/samples/slingshot/src/main/java/org/apache/sling/sample/slingshot/impl/AutomaticTaggingService.java
  (with props)
Modified:
    sling/trunk/samples/slingshot/pom.xml

Modified: sling/trunk/samples/slingshot/pom.xml
URL: http://svn.apache.org/viewvc/sling/trunk/samples/slingshot/pom.xml?rev=1030807&r1=1030806&r2=1030807&view=diff
==============================================================================
--- sling/trunk/samples/slingshot/pom.xml (original)
+++ sling/trunk/samples/slingshot/pom.xml Thu Nov  4 02:27:59 2010
@@ -108,6 +108,10 @@
             <scope>compile</scope>
         </dependency>
         <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+        </dependency>
+        <dependency>
             <groupId>org.apache.sling</groupId>
             <artifactId>org.apache.sling.api</artifactId>
             <version>2.1.0</version>

Added: sling/trunk/samples/slingshot/src/main/java/org/apache/sling/sample/slingshot/impl/AutomaticTaggingService.java
URL: http://svn.apache.org/viewvc/sling/trunk/samples/slingshot/src/main/java/org/apache/sling/sample/slingshot/impl/AutomaticTaggingService.java?rev=1030807&view=auto
==============================================================================
--- sling/trunk/samples/slingshot/src/main/java/org/apache/sling/sample/slingshot/impl/AutomaticTaggingService.java
(added)
+++ sling/trunk/samples/slingshot/src/main/java/org/apache/sling/sample/slingshot/impl/AutomaticTaggingService.java
Thu Nov  4 02:27:59 2010
@@ -0,0 +1,106 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.sling.sample.slingshot.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Properties;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.sling.api.resource.LoginException;
+import org.apache.sling.api.resource.PersistableValueMap;
+import org.apache.sling.api.resource.PersistenceException;
+import org.apache.sling.api.resource.Resource;
+import org.apache.sling.api.resource.ResourceResolver;
+import org.apache.sling.api.resource.ResourceResolverFactory;
+import org.apache.sling.sample.slingshot.Constants;
+import org.osgi.service.event.Event;
+import org.osgi.service.event.EventHandler;
+
+/**
+ * This is a samle for observation which adds tags to new resources.
+ */
+@Component(immediate=true)
+@Service(value=EventHandler.class)
+@Properties({
+   @Property(name="service.description",
+             value="Apache Sling - Slingshot Tagging Service"),
+   @Property(name="event.topics", value=org.apache.sling.api.SlingConstants.TOPIC_RESOURCE_ADDED)
+})
+public class AutomaticTaggingService
+    implements EventHandler {
+
+    @Reference
+    private ResourceResolverFactory resourceResolverFactory;
+
+    private final Random random = new Random(System.currentTimeMillis());
+
+    public void handleEvent(final Event event) {
+        final String path = (String)event.getProperty(org.apache.sling.api.SlingConstants.PROPERTY_PATH);
+        if ( path != null && path.startsWith(Constants.ALBUMS_ROOT) ) {
+            ResourceResolver resolver = null;
+            try {
+                resolver = this.resourceResolverFactory.getAdministrativeResourceResolver(null);
+                final Resource r = resolver.getResource(path);
+                if ( r != null && r.isResourceType(Constants.RESOURCETYPE_PHOTO)
) {
+                    // to add the mixin node type, we have to adopt to a node
+                    final Node node = r.adaptTo(Node.class);
+                    if ( node != null && !node.isNodeType("slingshot:Photo")) {
+                        node.addMixin("slingshot:Photo");
+                        node.getSession().save();
+                        final PersistableValueMap pvm = r.adaptTo(PersistableValueMap.class);
+                        if ( pvm != null ) {
+                            final int tagsValue = this.random.nextInt(8);
+                            final List<String> tags = new ArrayList<String>();
+                            if ( (tagsValue & 1) == 1 ) {
+                                tags.add("ApacheCon");
+                            }
+                            if ( (tagsValue & 2) == 2 ) {
+                                tags.add("Vacation");
+                            }
+                            if ( (tagsValue & 4) == 4 ) {
+                                tags.add("Cool");
+                            }
+                            pvm.put("slingshot:tags", tags.toArray(new String[tags.size()]));
+                            try {
+                                pvm.save();
+                            } catch (PersistenceException e) {
+                                // we just ignore this for now
+                            }
+                        }
+                    }
+                }
+
+            } catch (final RepositoryException e) {
+                // this should never happen, therefore we ignore
+            } catch (final LoginException e) {
+                // this should never happen, therefore we ignore
+            } finally {
+                if ( resolver != null ) {
+                    resolver.close();
+                }
+            }
+        }
+    }
+}

Propchange: sling/trunk/samples/slingshot/src/main/java/org/apache/sling/sample/slingshot/impl/AutomaticTaggingService.java
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