/**
    * Copyright 2005-2013 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.krad.uif.freemarker;
  
  import java.io.IOException;
  import java.io.Serializable;
  
  import org.kuali.rice.krad.uif.component.Component;
  import org.springframework.util.StringUtils;
  
  import freemarker.core.Environment;
  import freemarker.core.InlineTemplateAdaptor;
  import freemarker.template.TemplateException;
  
  /**
   * Inline FreeMarker template adaptor for supporting script.ftl 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class FreeMarkerScriptAdaptor implements InlineTemplateAdaptor, Serializable {
  
      private static final long serialVersionUID = 1675270336764602352L;
  
      /**
       * Render a script template inline.
       * 
       * @see freemarker.core.InlineKradAdaptor#accept(freemarker.core.Environment)
       */
      @Override
      public void accept(Environment env) throws TemplateException, IOException {
          String script = FreeMarkerInlineRenderUtils.resolve(env, "value", String.class);
  
          if (!StringUtils.hasText(script)) {
              return;
          }
  
          Component component = FreeMarkerInlineRenderUtils.resolve(env, "component", Component.class);
          String role = FreeMarkerInlineRenderUtils.resolve(env, "role", String.class);
          FreeMarkerInlineRenderUtils.renderScript(script, component, role, env.getOut());
      }
  
  }