/**
    * Copyright 2005-2011 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.lookup;
  
  import java.io.IOException;
  import java.io.Writer;
  
  import javax.servlet.jsp.JspException;
  
  import org.displaytag.export.CsvView;
  import org.displaytag.model.TableModel;
  import org.kuali.rice.kns.lookup.ExportViewHelper;
  import org.kuali.rice.krad.util.KRADConstants;
  
  /**
   * This class allows for plugging in custom CSV export into the Display Tag library. 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class CustomCsvExportView extends CsvView {
  
  	private ExportViewHelper helper;
  	
  	@Override
  	public void setParameters(TableModel tableModel, boolean exportFullList,
  			boolean includeHeader, boolean decorateValues) {
  		this.helper = new ExportViewHelper(tableModel);
  		super.setParameters(tableModel, exportFullList, includeHeader, decorateValues);
  	}
  
  	@Override
  	public void doExport(Writer writer) throws IOException, JspException {
  		if (!helper.attemptCustomExport(writer, KRADConstants.CSV_FORMAT)) {
  			super.doExport(writer);
  		}
  	}
  
  }