/*
    * 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.routeheader;
  
  import org.kuali.rice.core.util.xml.XmlException;
  import org.kuali.rice.kew.rule.WorkflowAttribute;
  import org.kuali.rice.kew.rule.web.RoutingReportAction;
  import org.kuali.rice.kew.util.KEWConstants;
  
  import java.util.Iterator;
  import java.util.List;
  
  
  /**
   * {@link DocumentContent} which is generated from a List of attributes.
   * Used by the {@link RoutingReportAction} to aid in generation of 
   * document content when running routing reports.
   * 
   * @see WorkflowAttribute
   * @see RoutingReportAction
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class AttributeDocumentContent extends StandardDocumentContent {
      
  	private static final long serialVersionUID = 6789132279492877000L;
  
  	public AttributeDocumentContent(List attributes) throws XmlException {
          super(generateDocContent(attributes));
      }
      
      private static String generateDocContent(List attributes) {
          StringBuffer buffer = new StringBuffer();
          buffer.append("<").append(KEWConstants.DOCUMENT_CONTENT_ELEMENT).append(">");
          buffer.append("<").append(KEWConstants.ATTRIBUTE_CONTENT_ELEMENT).append(">");
          for (Iterator iterator = attributes.iterator(); iterator.hasNext();) {
              WorkflowAttribute attribute = (WorkflowAttribute) iterator.next();
              buffer.append(attribute.getDocContent());
          }
          buffer.append("</").append(KEWConstants.ATTRIBUTE_CONTENT_ELEMENT).append(">");
          buffer.append("</").append(KEWConstants.DOCUMENT_CONTENT_ELEMENT).append(">");
          return buffer.toString();
      }
  
  }