OptionValidator.java

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 * $URL: $
 * $Id:  $
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 *
 * Copyright (c) 2006, 2007, 2008, 2009 The Sakai 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/ECL-2.0
 *
 * 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
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package org.sakaiproject.poll.tool.validators;

import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.poll.model.Option;
import org.sakaiproject.poll.util.PollUtils;
import org.sakaiproject.util.FormattedText;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;


public class OptionValidator implements Validator {

	/** Logger for this class and subclasses */
	protected final Log logger = LogFactory.getLog(getClass());
	public String submissionStatus;
	
	public boolean supports(Class clazz) {
		// TODO Auto-generated method stub
		return clazz.equals(Option.class);
	}

	public void validate(Object obj, Errors errors) {


		Option option = (Option) obj;
		
		// SAK-14725 : BugFix
		String stripText = null;
		
		if(null != option.getOptionText()) {
			stripText = FormattedText.convertFormattedTextToPlaintext(option.getOptionText()).trim();
		}
		
		logger.debug("validating Option with id:" + option.getOptionId());
		if (option.getStatus()!=null && (option.getStatus().equals("cancel") || option.getStatus().equals("delete")))
			return;


		if (option.getOptionText() == null || option.getOptionText().trim().length()==0 ||
				stripText == null || stripText.length()==0) {
			logger.debug("OptionText is empty!");
			errors.reject("option_empty","option empty");
			return;
		}

		//if where here option is not null or empty but could be something like "  "
		String text = option.getOptionText();
		

		text = PollUtils.cleanupHtmlPtags(text);
		text = text.replace(" ", "");
		text = StringEscapeUtils.unescapeHtml(text).trim();
		logger.debug("text to validate is: " + text);
		if (text.trim().length()==0) {
			logger.debug("OptionText is empty! (after excaping html)");
			errors.reject("option_empty","option empty");
			return;
		}



	}




}