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@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() + "]"; + } +}