import com.sun.org.apache.xml.internal.utils.SAXSourceLocator; //导入依赖的package包/类
/**
 * Warn the user of an problem.
 *
 * @param xctxt The XPath runtime context.
 * @param sourceNode Not used.
 * @param msg An error msgkey that corresponds to one of the constants found
 *            in {@link com.sun.org.apache.xpath.internal.res.XPATHErrorResources}, which is
 *            a key for a format string.
 * @param args An array of arguments represented in the format string, which
 *             may be null.
 *
 * @throws TransformerException if the current ErrorListoner determines to
 *                              throw an exception.
 */
public void warn(
        XPathContext xctxt, int sourceNode, String msg, Object[] args)
          throws javax.xml.transform.TransformerException
{

  String fmsg = XSLMessages.createXPATHWarning(msg, args);
  ErrorListener ehandler = xctxt.getErrorListener();

  if (null != ehandler)
  {

    // TO DO: Need to get stylesheet Locator from here.
    ehandler.warning(new TransformerException(fmsg, (SAXSourceLocator)xctxt.getSAXLocator()));
  }
}
 

import com.sun.org.apache.xml.internal.utils.SAXSourceLocator; //导入依赖的package包/类
/**
 * Tell the user of an error, and probably throw an
 * exception.
 *
 * @param xctxt The XPath runtime context.
 * @param sourceNode Not used.
 * @param msg An error msgkey that corresponds to one of the constants found
 *            in {@link com.sun.org.apache.xpath.internal.res.XPATHErrorResources}, which is
 *            a key for a format string.
 * @param args An array of arguments represented in the format string, which
 *             may be null.
 *
 * @throws TransformerException if the current ErrorListoner determines to
 *                              throw an exception.
 */
public void error(
        XPathContext xctxt, int sourceNode, String msg, Object[] args)
          throws javax.xml.transform.TransformerException
{

  String fmsg = XSLMessages.createXPATHMessage(msg, args);
  ErrorListener ehandler = xctxt.getErrorListener();

  if (null != ehandler)
  {
    ehandler.fatalError(new TransformerException(fmsg,
                            (SAXSourceLocator)xctxt.getSAXLocator()));
  }
  else
  {
    SourceLocator slocator = xctxt.getSAXLocator();
    System.out.println(fmsg + "; file " + slocator.getSystemId()
                       + "; line " + slocator.getLineNumber() + "; column "
                       + slocator.getColumnNumber());
  }
}
 

import com.sun.org.apache.xml.internal.utils.SAXSourceLocator; //导入依赖的package包/类
/**
 * Tell the user of an error, and probably throw an
 * exception.
 *
 * @param msg An error msgkey that corresponds to one of the constants found
 *            in {@link com.sun.org.apache.xpath.internal.res.XPATHErrorResources}, which is
 *            a key for a format string.
 * @param args An array of arguments represented in the format string, which
 *             may be null.
 *
 * @throws TransformerException if the current ErrorListoner determines to
 *                              throw an exception.
 */
public void error(String msg, Object[] args) throws TransformerException
{

  java.lang.String fmsg = XSLMessages.createXPATHMessage(msg, args);


  if (null != m_errorHandler)
  {
    m_errorHandler.fatalError(new TransformerException(fmsg, m_locator));
  }
  else
  {

    // System.out.println(te.getMessage()
    //                    +"; file "+te.getSystemId()
    //                    +"; line "+te.getLineNumber()
    //                    +"; column "+te.getColumnNumber());
    throw new TransformerException(fmsg, (SAXSourceLocator)m_locator);
  }
}
 

import com.sun.org.apache.xml.internal.utils.SAXSourceLocator; //导入依赖的package包/类
/**
 * Tell the user of an assertion error, and probably throw an
 * exception.
 *
 * @param b  If false, a TransformerException will be thrown.
 * @param msg The assertion message, which should be informative.
 *
 * @throws javax.xml.transform.TransformerException if b is false.
 */
private void assertion(boolean b, String msg) throws javax.xml.transform.TransformerException
{
  if (!b)
  {
    ErrorListener errorHandler = getErrorListener();

    if (errorHandler != null)
    {
      errorHandler.fatalError(
        new TransformerException(
          XSLMessages.createMessage(
            XPATHErrorResources.ER_INCORRECT_PROGRAMMER_ASSERTION,
            new Object[]{ msg }), (SAXSourceLocator)this.getSAXLocator()));
    }
  }
}