package org.sakaiproject.site.util;
import org.apache.commons.lang.StringUtils;
import org.sakaiproject.util.FormattedText;
import org.sakaiproject.util.Validator;
public class SiteTextEditUtil {
/**
* @param formattedText
The formatted text to convert to plain text and then to trim
* @param maxNumOfChars
The maximum number of characters for the trimmed text.
* @return Ellipse
A String to represent the ending pattern of the trimmed text
*/
public String doPlainTextAndLimit(String formattedText, int maxNumOfChars, String ellipse)
{
formattedText = StringUtils.trimToNull(formattedText);
if(formattedText == null || formattedText.equalsIgnoreCase("<br/>") || formattedText.equalsIgnoreCase("<br>")||
formattedText.equals(" ") || FormattedText.escapeHtml(formattedText,false).equals("<br type="_moz" />")){
return "";
}
StringBuilder sb = new StringBuilder();
String text = FormattedText.convertFormattedTextToPlaintext(formattedText);
if(maxNumOfChars>text.length()){
maxNumOfChars=text.length();
}
String trimmedText=text.substring(0, maxNumOfChars);
sb.setLength(0);
sb.append(trimmedText).append(ellipse);
return Validator.escapeHtml(sb.toString());
}
}