package org.andromda.taglibs.formatting;
   
   import org.apache.commons.lang.StringEscapeUtils;
   
   import javax.servlet.jsp.JspException;
   import javax.servlet.jsp.tagext.BodyTagSupport;
   import java.io.IOException;
   
   /**
   *
   */
  public class EscapeTag extends BodyTagSupport
  {
      private static final long serialVersionUID = 34L;
      private String language = null;
  
      /**
       * @return language
       */
      public String getLanguage()
      {
          return language;
      }
  
      /**
       * @param language
       */
      public void setLanguage(String language)
      {
          this.language = language;
      }
  
      /**
       * @see javax.servlet.jsp.tagext.BodyTagSupport#doAfterBody()
       */
      public int doAfterBody() throws JspException
      {
          String escapedString = this.getBodyContent().getString();
  
          final String[] languages = this.language.split(",");
          for (String language : languages)
          {
              language = language.trim();
  
              if ("html".equalsIgnoreCase(language))
              {
                  escapedString = StringEscapeUtils.escapeHtml(escapedString);
              }
              else if ("javascript".equalsIgnoreCase(language))
              {
                  escapedString = StringEscapeUtils.escapeJavaScript(escapedString);
              }
              else if ("java".equalsIgnoreCase(language))
              {
                  escapedString = StringEscapeUtils.escapeJava(escapedString);
              }
          }
  
          try
          {
              this.getPreviousOut().print(escapedString);
          }
          catch (IOException e)
          {
              throw new JspException("Unable to print out escaped body text");
          }
          return super.doAfterBody();
      }
  }