[Openutils-svn] SF.net SVN: openutils:[3398] trunk/openutils-mgnltagcloud/src/main/java/net /sourceforge/openutils/mgnltagcloud/dialog/TagCloudDialog.java

[<die...@us...>]

Revision: 3398
          http://openutils.svn.sourceforge.net/openutils/?rev=3398&view=rev
Author:   diego_schivo
Date:     2011-04-01 12:26:03 +0000 (Fri, 01 Apr 2011)

Log Message:
-----------
TAGCLOUD-13 customizable tags provider

Modified Paths:
--------------
    trunk/openutils-mgnltagcloud/src/main/java/net/sourceforge/openutils/mgnltagcloud/dialog/TagCloudDialog.java

Modified: trunk/openutils-mgnltagcloud/src/main/java/net/sourceforge/openutils/mgnltagcloud/dialog/TagCloudDialog.java
===================================================================
--- trunk/openutils-mgnltagcloud/src/main/java/net/sourceforge/openutils/mgnltagcloud/dialog/TagCloudDialog.java	2011-04-01 10:45:17 UTC (rev 3397)
+++ trunk/openutils-mgnltagcloud/src/main/java/net/sourceforge/openutils/mgnltagcloud/dialog/TagCloudDialog.java	2011-04-01 12:26:03 UTC (rev 3398)
@@ -26,6 +26,7 @@
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -56,6 +57,8 @@
      */
     private Logger log = LoggerFactory.getLogger(ConfiguredDialog.class);
 
+    private TagsProvider tagsProvider;
+
     /**
      * {@inheritDoc}
      */
@@ -76,6 +79,32 @@
         this.setConfig(
             "saveHandler",
             "net.sourceforge.openutils.mgnltagcloud.dialog.TagCloudDialogSafeMultivalueSaveHandler");
+
+        if (!StringUtils.isEmpty(getConfigValue("tagsProvider")))
+        {
+            try
+            {
+                tagsProvider = (TagsProvider) Class.forName(getConfigValue("tagsProvider")).newInstance();
+            }
+            catch (Exception e)
+            {
+                log.error("Failed to instantiate custom tags provider due to {}", e.getMessage());
+            }
+        }
+        if (tagsProvider == null)
+        {
+            tagsProvider = new TagsProvider()
+            {
+
+                /**
+                 * {@inheritDoc}
+                 */
+                public Collection<String> provideTags(TagCloud tagCloud)
+                {
+                    return tagCloud != null ? tagCloud.getTags().keySet() : Collections.<String> emptyList();
+                }
+            };
+        }
     }
 
     /**
@@ -118,14 +147,9 @@
         }
 
         TagCloud tagCloud = buildTagCloud();
-        if (tagCloud == null)
-        {
-            parameters.put("configuredTagList", new String[]{});
-            return;
-        }
 
-        Map<String, Map<String, Object>> tags = new HashMap<String, Map<String, Object>>(tagCloud.getTags().size());
-        for (String key : tagCloud.getTags().keySet())
+        Map<String, Map<String, Object>> tags = new HashMap<String, Map<String, Object>>();
+        for (String key : tagsProvider.provideTags(tagCloud))
         {
             Map<String, Object> values = new HashMap<String, Object>(2);
             values.put("selected", tagList.contains(key));
@@ -152,6 +176,12 @@
 
     }
 
+    public interface TagsProvider
+    {
+
+        Collection<String> provideTags(TagCloud tagCloud);
+    }
+
     protected TagCloud buildTagCloud()
     {
         // Get configured node


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