[gatein-commits] gatein SVN: r6724 - epp/portal/branches/EPP_5_2_Branch/component/application-registry/src/main/java/org/exoplatform/application/gadget.

[do-not-reply at jboss.org]

Author: hfnukal
Date: 2011-06-23 08:44:34 -0400 (Thu, 23 Jun 2011)
New Revision: 6724

Added:
   epp/portal/branches/EPP_5_2_Branch/component/application-registry/src/main/java/org/exoplatform/application/gadget/GadgetImporter.java
Log:
JBEPP-952 Merge Revision 5822

Added: epp/portal/branches/EPP_5_2_Branch/component/application-registry/src/main/java/org/exoplatform/application/gadget/GadgetImporter.java
===================================================================
--- epp/portal/branches/EPP_5_2_Branch/component/application-registry/src/main/java/org/exoplatform/application/gadget/GadgetImporter.java	                        (rev 0)
+++ epp/portal/branches/EPP_5_2_Branch/component/application-registry/src/main/java/org/exoplatform/application/gadget/GadgetImporter.java	2011-06-23 12:44:34 UTC (rev 6724)
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2009 eXo Platform SAS.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+
+package org.exoplatform.application.gadget;
+
+import org.apache.shindig.common.uri.Uri;
+import org.apache.shindig.gadgets.spec.GadgetSpec;
+import org.apache.shindig.gadgets.spec.ModulePrefs;
+import org.exoplatform.application.gadget.impl.GadgetDefinition;
+import org.gatein.common.logging.Logger;
+import org.gatein.common.logging.LoggerFactory;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+
+/**
+ * @author <a href="mailto:julien.viet at exoplatform.com">Julien Viet</a>
+ * @version $Revision$
+ */
+public abstract class GadgetImporter
+{
+
+   /** . */
+   private static final Logger log = LoggerFactory.getLogger(GadgetImporter.class);
+
+   /** The gadget name as seen by GateIn. */
+   private String gadgetName;
+
+   /** The gadget uri. */
+   private String gadgetURI;
+
+   protected GadgetImporter(
+      String gadgetName,
+      String gadgetURI)
+   {
+      this.gadgetName = gadgetName;
+      this.gadgetURI = gadgetURI;
+   }
+
+   public String getGadgetName()
+   {
+      return gadgetName;
+   }
+
+   public String getGadgetURI()
+   {
+      return gadgetURI;
+   }
+
+   protected abstract byte[] getGadgetBytes(String gadgetURI) throws IOException;
+
+   protected abstract String getGadgetURL(String gadgetURI) throws Exception;
+
+   protected abstract void process(String gadgetURI, GadgetDefinition def) throws Exception;
+
+   private String getGadgetTitle(ModulePrefs prefs, String defaultValue)
+   {
+      String title = prefs.getDirectoryTitle();
+      if (title == null || title.trim().length() < 1)
+      {
+         title = prefs.getTitle();
+      }
+      if (title == null || title.trim().length() < 1)
+      {
+         return defaultValue;
+      }
+      return title;
+   }
+
+   public void doImport(GadgetDefinition def) throws Exception
+   {
+      // Get bytes
+      byte[] bytes = getGadgetBytes(gadgetURI);
+      if (bytes == null)
+      {
+         log.error("Cannot import gadget " + gadgetURI + " because its data could not be found");
+         return;
+      }
+
+      // Get encoding
+      String encoding = EncodingDetector.detect(new ByteArrayInputStream(bytes));
+
+      //
+      String gadget = new String(bytes, encoding);
+
+      //
+      String gadgetURL = getGadgetURL(gadgetURI);
+      GadgetSpec spec = new GadgetSpec(Uri.parse(gadgetURL), gadget);
+      ModulePrefs prefs = spec.getModulePrefs();
+
+
+      //
+      String description = prefs.getDescription();
+      String thumbnail = prefs.getThumbnail().toString();
+      String title = getGadgetTitle(prefs, gadgetName);
+      String referenceURL = prefs.getTitleUrl().toString();
+
+      //
+      log.info("Importing gadget name=" + gadgetName + " description=" + description + " thumbnail=" + thumbnail + " title=" +
+               thumbnail + " title=" + title);
+
+      //
+      def.setDescription(description);
+      def.setThumbnail(thumbnail); // Do something better than that
+      def.setTitle(title);
+      def.setReferenceURL(referenceURL);
+
+      //
+      process(gadgetURI, def);
+   }
+
+   @Override
+   public String toString()
+   {
+      return getClass().getSimpleName() + "[name=" + getGadgetName() + ",path=" + getGadgetURI() + "]";
+   }
+}