/*

  * Copyright 2005-2008 The Kuali Foundation

  * 

  * 

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  * 

  * 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.kuali.rice.kew.edl;

 import java.io.StringReader;

 import javax.xml.transform.Source;

 import javax.xml.transform.URIResolver;

 import javax.xml.transform.stream.StreamSource;

 import org.apache.log4j.Logger;

 import org.kuali.rice.kew.edl.bo.EDocLiteStyle;

 import org.kuali.rice.kew.edl.service.EDocLiteService;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 /**

  * Imported into client style sheets to import other style sheets in our database into their stylesheet.

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  * 

  */

 public class WidgetURIResolver implements URIResolver {

         private static final Logger LOG = Logger.getLogger(WidgetURIResolver.class);

         public Source resolve(String href, String base) {

                 try {

                         EDocLiteService eDocSvc = KEWServiceLocator.getEDocLiteService();

                         EDocLiteStyle widgetStyle = eDocSvc.getEDocLiteStyle(href);

                         return new StreamSource(new StringReader(widgetStyle.getXmlContent()));

                 } catch (Exception e) {

                         LOG.error("Error ocurred getting style " + href, e);

                 }

                 return null;

         }

 }