- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xalan" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, Lotus
- * Development Corporation., http://www.lotus.com. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- package org.apache.xml.utils;
-
- import org.xml.sax.*;
- import javax.xml.transform.ErrorListener;
- import javax.xml.transform.TransformerException;
- import javax.xml.transform.SourceLocator;
-
- import org.apache.xalan.res.XSLMessages;
- import org.apache.xalan.res.XSLTErrorResources;
-
- import java.io.PrintWriter;
- import java.io.PrintStream;
-
-
- /**
- * <meta name="usage" content="general"/>
- * Implement SAX error handler for default reporting.
- */
- public class DefaultErrorHandler implements ErrorHandler, ErrorListener
- {
- PrintWriter m_pw;
-
- /**
- * Constructor DefaultErrorHandler
- */
- public DefaultErrorHandler(PrintWriter pw)
- {
- m_pw = pw;
- }
-
- /**
- * Constructor DefaultErrorHandler
- */
- public DefaultErrorHandler(PrintStream pw)
- {
- m_pw = new PrintWriter(pw, true);
- }
-
- /**
- * Constructor DefaultErrorHandler
- */
- public DefaultErrorHandler()
- {
- m_pw = new PrintWriter(System.err, true);
- }
-
-
- /**
- * Receive notification of a warning.
- *
- * <p>SAX parsers will use this method to report conditions that
- * are not errors or fatal errors as defined by the XML 1.0
- * recommendation. The default behaviour is to take no action.</p>
- *
- * <p>The SAX parser must continue to provide normal parsing events
- * after invoking this method: it should still be possible for the
- * application to process the document through to the end.</p>
- *
- * @param exception The warning information encapsulated in a
- * SAX parse exception.
- * @throws SAXException Any SAX exception, possibly
- * wrapping another exception.
- */
- public void warning(SAXParseException exception) throws SAXException
- {
- printLocation(m_pw, exception);
- m_pw.println("Parser warning: " + exception.getMessage());
- }
-
- /**
- * Receive notification of a recoverable error.
- *
- * <p>This corresponds to the definition of "error" in section 1.2
- * of the W3C XML 1.0 Recommendation. For example, a validating
- * parser would use this callback to report the violation of a
- * validity constraint. The default behaviour is to take no
- * action.</p>
- *
- * <p>The SAX parser must continue to provide normal parsing events
- * after invoking this method: it should still be possible for the
- * application to process the document through to the end. If the
- * application cannot do so, then the parser should report a fatal
- * error even if the XML 1.0 recommendation does not require it to
- * do so.</p>
- *
- * @param exception The error information encapsulated in a
- * SAX parse exception.
- * @throws SAXException Any SAX exception, possibly
- * wrapping another exception.
- */
- public void error(SAXParseException exception) throws SAXException
- {
- //printLocation(exception);
- // m_pw.println(exception.getMessage());
-
- throw exception;
- }
-
- /**
- * Receive notification of a non-recoverable error.
- *
- * <p>This corresponds to the definition of "fatal error" in
- * section 1.2 of the W3C XML 1.0 Recommendation. For example, a
- * parser would use this callback to report the violation of a
- * well-formedness constraint.</p>
- *
- * <p>The application must assume that the document is unusable
- * after the parser has invoked this method, and should continue
- * (if at all) only for the sake of collecting addition error
- * messages: in fact, SAX parsers are free to stop reporting any
- * other events once this method has been invoked.</p>
- *
- * @param exception The error information encapsulated in a
- * SAX parse exception.
- * @throws SAXException Any SAX exception, possibly
- * wrapping another exception.
- */
- public void fatalError(SAXParseException exception) throws SAXException
- {
- // printLocation(exception);
- // m_pw.println(exception.getMessage());
-
- throw exception;
- }
-
- /**
- * Receive notification of a warning.
- *
- * <p>SAX parsers will use this method to report conditions that
- * are not errors or fatal errors as defined by the XML 1.0
- * recommendation. The default behaviour is to take no action.</p>
- *
- * <p>The SAX parser must continue to provide normal parsing events
- * after invoking this method: it should still be possible for the
- * application to process the document through to the end.</p>
- *
- * @param exception The warning information encapsulated in a
- * SAX parse exception.
- * @throws javax.xml.transform.TransformerException Any SAX exception, possibly
- * wrapping another exception.
- * @see javax.xml.transform.TransformerException
- */
- public void warning(TransformerException exception) throws TransformerException
- {
- printLocation(m_pw, exception);
-
- m_pw.println(exception.getMessage());
- }
-
- /**
- * Receive notification of a recoverable error.
- *
- * <p>This corresponds to the definition of "error" in section 1.2
- * of the W3C XML 1.0 Recommendation. For example, a validating
- * parser would use this callback to report the violation of a
- * validity constraint. The default behaviour is to take no
- * action.</p>
- *
- * <p>The SAX parser must continue to provide normal parsing events
- * after invoking this method: it should still be possible for the
- * application to process the document through to the end. If the
- * application cannot do so, then the parser should report a fatal
- * error even if the XML 1.0 recommendation does not require it to
- * do so.</p>
- *
- * @param exception The error information encapsulated in a
- * SAX parse exception.
- * @throws javax.xml.transform.TransformerException Any SAX exception, possibly
- * wrapping another exception.
- * @see javax.xml.transform.TransformerException
- */
- public void error(TransformerException exception) throws TransformerException
- {
- // printLocation(exception);
- // ensureLocationSet(exception);
-
- throw exception;
- }
-
- /**
- * Receive notification of a non-recoverable error.
- *
- * <p>This corresponds to the definition of "fatal error" in
- * section 1.2 of the W3C XML 1.0 Recommendation. For example, a
- * parser would use this callback to report the violation of a
- * well-formedness constraint.</p>
- *
- * <p>The application must assume that the document is unusable
- * after the parser has invoked this method, and should continue
- * (if at all) only for the sake of collecting addition error
- * messages: in fact, SAX parsers are free to stop reporting any
- * other events once this method has been invoked.</p>
- *
- * @param exception The error information encapsulated in a
- * SAX parse exception.
- * @throws javax.xml.transform.TransformerException Any SAX exception, possibly
- * wrapping another exception.
- * @see javax.xml.transform.TransformerException
- */
- public void fatalError(TransformerException exception) throws TransformerException
- {
- // printLocation(exception);
- // ensureLocationSet(exception);
-
- throw exception;
- }
-
- public static void ensureLocationSet(TransformerException exception)
- {
- // SourceLocator locator = exception.getLocator();
- SourceLocator locator = null;
- Throwable cause = exception;
-
- // Try to find the locator closest to the cause.
- do
- {
- if(cause instanceof SAXParseException)
- {
- locator = new SAXSourceLocator((SAXParseException)cause);
- }
- else if (cause instanceof TransformerException)
- {
- SourceLocator causeLocator = ((TransformerException)cause).getLocator();
- if(null != causeLocator)
- locator = causeLocator;
- }
-
- if(cause instanceof TransformerException)
- cause = ((TransformerException)cause).getCause();
- else if(cause instanceof SAXException)
- cause = ((SAXException)cause).getException();
- else
- cause = null;
- }
- while(null != cause);
-
- exception.setLocator(locator);
- }
-
- public static void printLocation(PrintStream pw, TransformerException exception)
- {
- printLocation(new PrintWriter(pw), exception);
- }
-
- public static void printLocation(java.io.PrintStream pw, org.xml.sax.SAXParseException exception)
- {
- printLocation(new PrintWriter(pw), exception);
- }
-
- public static void printLocation(PrintWriter pw, Throwable exception)
- {
- SourceLocator locator = null;
- Throwable cause = exception;
-
- // Try to find the locator closest to the cause.
- do
- {
- if(cause instanceof SAXParseException)
- {
- locator = new SAXSourceLocator((SAXParseException)cause);
- }
- else if (cause instanceof TransformerException)
- {
- SourceLocator causeLocator = ((TransformerException)cause).getLocator();
- if(null != causeLocator)
- locator = causeLocator;
- }
- if(cause instanceof TransformerException)
- cause = ((TransformerException)cause).getCause();
- else if(cause instanceof WrappedRuntimeException)
- cause = ((WrappedRuntimeException)cause).getException();
- else if(cause instanceof SAXException)
- cause = ((SAXException)cause).getException();
- else
- cause = null;
- }
- while(null != cause);
-
- if(null != locator)
- {
- // m_pw.println("Parser fatal error: "+exception.getMessage());
- String id = (null != locator.getPublicId() )
- ? locator.getPublicId()
- : (null != locator.getSystemId())
- ? locator.getSystemId() : XSLMessages.createMessage(XSLTErrorResources.ER_SYSTEMID_UNKNOWN, null); //"SystemId Unknown";
-
- pw.print(id + "; " +XSLMessages.createMessage("line", null) + locator.getLineNumber()
- + "; " +XSLMessages.createMessage("column", null) + locator.getColumnNumber()+"; ");
- }
- else
- pw.print("("+XSLMessages.createMessage(XSLTErrorResources.ER_LOCATION_UNKNOWN, null)+")");
- }
- }