/**
    * 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.web.bind;
  
  import java.beans.PropertyEditorSupport;
  
  /**
   * This PropertyEditor for booleans supports y/n which the spring version does not. 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class UifBooleanEditor extends PropertyEditorSupport {
  	
  	private static final String TRUE_VALUES = "/true/yes/y/on/1/";
  	private static final String FALSE_VALUES = "/false/no/n/off/0/";
  	
  	private static final String TRUE_VALUE = "true";
  	private static final String FALSE_VALUE = "false";
  
  	@Override
  	public String getAsText() {
  		if(this.getValue() == null) {
  			return "";
  		}
  		else if(((Boolean)this.getValue()).booleanValue()) {
  			return TRUE_VALUE;
  		}
  		else {
  			return FALSE_VALUE;
  		}
  	}
  
  	@Override
  	public void setAsText(String text) throws IllegalArgumentException {
  		String input = null;
  		
  		if(text != null) {
  			StringBuilder builder = new StringBuilder();
  			builder.append("/").append(text.toLowerCase()).append("/");
  			input = builder.toString();
  			
  			if(TRUE_VALUES.contains(input)) {
  				this.setValue(Boolean.TRUE);
  			}
  			else if(FALSE_VALUES.contains(input)) {
  				this.setValue(Boolean.FALSE);
  			}
  			else {
  				input = null;
  			}
  		}
  
  		if(input == null) {
  			throw new IllegalArgumentException("Invalid boolean input: " + text);
  		}
  	}
  
  }