1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * The Apache Software License, Version 1.1
   7  *
   8  *
   9  * Copyright (c) 2000-2002 The Apache Software Foundation.  All rights
  10  * reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  *
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  *
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in
  21  *    the documentation and/or other materials provided with the
  22  *    distribution.
  23  *
  24  * 3. The end-user documentation included with the redistribution,
  25  *    if any, must include the following acknowledgment:
  26  *       "This product includes software developed by the
  27  *        Apache Software Foundation (http://www.apache.org/)."
  28  *    Alternately, this acknowledgment may appear in the software itself,
  29  *    if and wherever such third-party acknowledgments normally appear.
  30  *
  31  * 4. The names "Xerces" and "Apache Software Foundation" must
  32  *    not be used to endorse or promote products derived from this
  33  *    software without prior written permission. For written
  34  *    permission, please contact apache@apache.org.
  35  *
  36  * 5. Products derived from this software may not be called "Apache",
  37  *    nor may "Apache" appear in their name, without prior written
  38  *    permission of the Apache Software Foundation.
  39  *
  40  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
  41  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  42  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  43  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
  44  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  46  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  47  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  48  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  49  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  50  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  * ====================================================================
  53  *
  54  * This software consists of voluntary contributions made by many
  55  * individuals on behalf of the Apache Software Foundation and was
  56  * originally based on software copyright (c) 1999, International
  57  * Business Machines, Inc., http://www.apache.org.  For more
  58  * information on the Apache Software Foundation, please see
  59  * <http://www.apache.org/>.
  60  */
  61 package com.sun.org.apache.xerces.internal.jaxp.validation;
  62 
  63 import com.sun.org.apache.xerces.internal.xni.parser.XMLErrorHandler;
  64 import com.sun.org.apache.xerces.internal.xni.parser.XMLParseException;
  65 import org.xml.sax.ErrorHandler;
  66 import org.xml.sax.SAXException;
  67 
  68 /**
  69  * Receives errors through Xerces {@link XMLErrorHandler}
  70  * and pass them down to SAX {@link ErrorHandler}.
  71  *
  72  * @author
  73  *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
  74  */
  75 public abstract class ErrorHandlerAdaptor implements XMLErrorHandler
  76 {
  77     /** set to true if there was any error. */
  78     private boolean hadError = false;
  79 
  80     /**
  81      * returns if there was an error since the last invocation of
  82      * the resetError method.
  83      */
  84     public boolean hadError() { return hadError; }
  85     /** resets the error flag. */
  86     public void reset() { hadError = false; }
  87 
  88     /**
  89      * Implemented by the derived class to return the actual
  90      * {@link ErrorHandler} to which errors are sent.
  91      *
  92      * @return always return non-null valid object.
  93      */
  94     protected abstract ErrorHandler getErrorHandler();
  95 
  96     public void fatalError( String domain, String key, XMLParseException e ) {
  97         try {
  98             hadError = true;
  99             getErrorHandler().fatalError( Util.toSAXParseException(e) );
 100         } catch( SAXException se ) {
 101             throw new WrappedSAXException(se);
 102         }
 103     }
 104 
 105     public void error( String domain, String key, XMLParseException e ) {
 106         try {
 107             hadError = true;
 108             getErrorHandler().error( Util.toSAXParseException(e) );
 109         } catch( SAXException se ) {
 110             throw new WrappedSAXException(se);
 111         }
 112     }
 113 
 114     public void warning( String domain, String key, XMLParseException e ) {
 115         try {
 116             getErrorHandler().warning( Util.toSAXParseException(e) );
 117         } catch( SAXException se ) {
 118             throw new WrappedSAXException(se);
 119         }
 120     }
 121 
 122 }