xsltattributedef.java

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  {
    m_default = def;
  }

  /**
   * If true, this is a required attribute.
   */
  private boolean m_required;

  /**
   * Get whether or not this is a required attribute.
   *
   * @return true if this is a required attribute.
   */
  boolean getRequired()
  {
    return m_required;
  }

  /**
   * If true, this is attribute supports AVT's.
   */
  private boolean m_supportsAVT;

  /**
   * Get whether or not this attribute supports AVT's.
   *
   * @return true if this attribute supports AVT's.
   */
  boolean getSupportsAVT()
  {
    return m_supportsAVT;
  }
  
  int m_errorType = this.WARNING;
  
  /**
   * Get the type of error message to use if the attribute value is invalid.
   *
   * @return one of XSLAttributeDef.FATAL, XSLAttributeDef.ERROR, XSLAttributeDef.WARNING
   */
  int getErrorType()
  {
    return m_errorType;
  }
  /**
   * String that should represent the setter method which which
   * may be used on objects to set a value that represents this attribute  
   */
  String m_setterString = null;

  /**
   * Return a string that should represent the setter method.
   * The setter method name will be created algorithmically the
   * first time this method is accessed, and then cached for return
   * by subsequent invocations of this method.
   *
   * @return String that should represent the setter method which which
   * may be used on objects to set a value that represents this attribute,
   * of null if no setter method should be called.
   */
  public String getSetterMethodName()
  {

    if (null == m_setterString)
    {
      if (m_foreignAttr == this)
      {
        return S_FOREIGNATTR_SETTER;
      }
      else if (m_name.equals("*"))
      {
        m_setterString = "addLiteralResultAttribute";

        return m_setterString;
      }

      StringBuffer outBuf = new StringBuffer();

      outBuf.append("set");

      if ((m_namespace != null)
              && m_namespace.equals(Constants.S_XMLNAMESPACEURI))
      {
        outBuf.append("Xml");
      }

      int n = m_name.length();

      for (int i = 0; i < n; i++)
      {
        char c = m_name.charAt(i);

        if ('-' == c)
        {
          i++;

          c = m_name.charAt(i);
          c = Character.toUpperCase(c);
        }
        else if (0 == i)
        {
          c = Character.toUpperCase(c);
        }

        outBuf.append(c);
      }

      m_setterString = outBuf.toString();
    }

    return m_setterString;
  }

  /**
   * Process an attribute string of type T_AVT into
   * a AVT value.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value Should be an Attribute Value Template string.
   *
   * @return An AVT object that may be used to evaluate the Attribute Value Template.
   *
   * @throws org.xml.sax.SAXException which will wrap a
   * {@link javax.xml.transform.TransformerException}, if there is a syntax error
   * in the attribute value template string.
   */
  AVT processAVT(
          StylesheetHandler handler, String uri, String name, String rawName, String value,
          ElemTemplateElement owner)
            throws org.xml.sax.SAXException
  {

    try
    {
      AVT avt = new AVT(handler, uri, name, rawName, value, owner);

      return avt;
    }
    catch (TransformerException te)
    {
      throw new org.xml.sax.SAXException(te);
    }
  }

  /**
   * Process an attribute string of type T_CDATA into
   * a String value.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value non-null string reference.
   *
   * @return The value argument.
   * 
   * @throws org.xml.sax.SAXException.
   */
  Object processCDATA(StylesheetHandler handler, String uri, String name,
                      String rawName, String value, ElemTemplateElement owner)
                      throws org.xml.sax.SAXException
  {
  	if (getSupportsAVT()) {
	    try
	    {
	      AVT avt = new AVT(handler, uri, name, rawName, value, owner);
	      return avt;
	    }
	    catch (TransformerException te)
	    {
	      throw new org.xml.sax.SAXException(te);
	    }  		
  	} else {  	  	
	    return value;
  	}
  }

  /**
   * Process an attribute string of type T_CHAR into
   * a Character value.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value Should be a string with a length of 1.
   *
   * @return Character object.
   *
   * @throws org.xml.sax.SAXException if the string is not a length of 1.
   */
  Object processCHAR(
          StylesheetHandler handler, String uri, String name, String rawName, String value, ElemTemplateElement owner)
            throws org.xml.sax.SAXException
  {
	if (getSupportsAVT()) {
	    try
	    {
	      AVT avt = new AVT(handler, uri, name, rawName, value, owner);
	
		  // If an AVT wasn't used, validate the value
		  if ((avt.isSimple()) && (value.length() != 1)) {
		  	handleError(handler, XSLTErrorResources.INVALID_TCHAR, new Object[] {name, value},null);
            return null;
		  }	
	      return avt;
	    }
	    catch (TransformerException te)
	    {
	      throw new org.xml.sax.SAXException(te);
	    }
	} else {    
	    if (value.length() != 1)
	    {
            handleError(handler, XSLTErrorResources.INVALID_TCHAR, new Object[] {name, value},null);
            return null;
	    }

	    return new Character(value.charAt(0));
	}
  }

  /**
   * Process an attribute string of type T_ENUM into a int value.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value non-null string that represents an enumerated value that is
   * valid for this element.
   * @param owner
   *
   * @return An Integer representation of the enumerated value if this attribute does not support
   *         AVT.  Otherwise, and AVT is returned.
   */
  Object processENUM(StylesheetHandler handler, String uri, String name,
                     String rawName, String value, ElemTemplateElement owner)
                     throws org.xml.sax.SAXException
  {

	AVT avt = null;
	if (getSupportsAVT()) {
	    try
	    {
	      avt = new AVT(handler, uri, name, rawName, value, owner);
	      
	      // If this attribute used an avt, then we can't validate at this time.
	      if (!avt.isSimple()) return avt;
	    }
	    catch (TransformerException te)
	    {
	      throw new org.xml.sax.SAXException(te);
	    }
	}    
	
    int retVal = this.getEnum(value);
    
	if (retVal == StringToIntTable.INVALID_KEY) 
    {
       StringBuffer enumNamesList = getListOfEnums();
       handleError(handler, XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },null);
       return null;
    }

	if (getSupportsAVT()) return avt;
	else return new Integer(retVal);	

  }

  /**
   * Process an attribute string of that is either an enumerated value or a qname-but-not-ncname.
   * Returns an AVT, if this attribute support AVT; otherwise returns int or qname.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value non-null string that represents an enumerated value that is
   * valid for this element.
   * @param owner
   *
   * @return AVT if attribute supports AVT. An Integer representation of the enumerated value if
   *         attribute does not support AVT and an enumerated value was used.  Otherwise a qname
   *         is returned.
   */
  Object processENUM_OR_PQNAME(StylesheetHandler handler, String uri, String name,
                     String rawName, String value, ElemTemplateElement owner)
                     throws org.xml.sax.SAXException
  {

	Object objToReturn = null;
	
	if (getSupportsAVT()) {
	    try
	    {
	      AVT avt = new AVT(handler, uri, name, rawName, value, owner);
	      if (!avt.isSimple()) return avt;
	      else objToReturn = avt;
	    }  
	    catch (TransformerException te)
	    {
	      throw new org.xml.sax.SAXException(te);
	    }
	}    
	
    // An avt wasn't used.
  	int enum = this.getEnum(value);
    
    if (enum != StringToIntTable.INVALID_KEY) 
    {
        if (objToReturn == null) objToReturn = new Integer(enum);
    }

    // enum not used.  Validate qname-but-not-ncname.
    else
    {
        try 
        {
			QName qname = new QName(value, handler, true);
            if (objToReturn == null) objToReturn = qname;	
	        
			if (qname.getPrefix() == null) {
	           StringBuffer enumNamesList = getListOfEnums();

 	           enumNamesList.append(" <qname-but-not-ncname>");
               handleError(handler,XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },null); 
               return null;
        
	        }            
        }
        catch (IllegalArgumentException ie) 
        {
           StringBuffer enumNamesList = getListOfEnums();
           enumNamesList.append(" <qname-but-not-ncname>");
           
           handleError(handler,XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },ie); 
           return null;

        }
        catch (RuntimeException re)
        {
           StringBuffer enumNamesList = getListOfEnums();
           enumNamesList.append(" <qname-but-not-ncname>");

           handleError(handler,XSLTErrorResources.INVALID_ENUM,new Object[]{name, value, enumNamesList.toString() },re); 
           return null;
        }    
  	}
  	
  	return objToReturn;
  }

  /**
   * Process an attribute string of type T_EXPR into
   * an XPath value.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value An XSLT expression string.
   *
   * @return an XPath object that may be used for evaluation.
   *
   * @throws org.xml.sax.SAXException that wraps a
   * {@link javax.xml.transform.TransformerException} if the expression
   * string contains a syntax error.
   */
  Object processEXPR(
          StylesheetHandler handler, String uri, String name, String rawName, String value,
          ElemTemplateElement owner)
            throws org.xml.sax.SAXException
  {

    try
    {
      XPath expr = handler.createXPath(value, owner);

      return expr;
    }
    catch (TransformerException te)
    {
      org.xml.sax.SAXException se = new org.xml.sax.SAXException(te);
      throw new org.xml.sax.SAXException(te);
    }
  }

  /**
   * Process an attribute string of type T_NMTOKEN into
   * a String value.
   *
   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
   * @param uri The Namespace URI, or an empty string.
   * @param name The local name (without prefix), or empty string if not namespace processing.
   * @param rawName The qualified name (with prefix).
   * @param value A NMTOKEN string.
   *
   * @return the value argument or an AVT if this attribute supports AVTs.
   * 
   * @throws org.xml.sax.SAXException if the value is not a valid nmtoken
   */
  Object processNMTOKEN(StylesheetHandler handler, String uri, String name,
                        String rawName, String value, ElemTemplateElement owner)
             throws org.xml.sax.SAXException
  {
  	
  	if (getSupportsAVT()) {
	    try
	    {