1 /*
   2  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package test.auctionportal;
  24 
  25 import org.xml.sax.SAXParseException;
  26 import org.xml.sax.helpers.DefaultHandler;
  27 
  28 /**
  29  * ErrorHandler for error handling. Set state if any method in error, warning
  30  * or fatalError was called.
  31  */
  32 public final class MyErrorHandler extends DefaultHandler {
  33     /**
  34      * Enumeration for ErrorHandler's state.
  35      */
  36     private enum STATE { ERROR, FATAL, WARNING, NORMAL};
  37 
  38     /**
  39      * Set state as normal by default.
  40      */
  41     private volatile STATE state = STATE.NORMAL;
  42 
  43     /**
  44      * Keep exception for further investigation.
  45      */
  46     private volatile SAXParseException exception;
  47 
  48     /**
  49      * Save exception and set state to ERROR.
  50      * @param e exception wrap error.
  51      */
  52     @Override
  53     public void error (SAXParseException e) {
  54         state = STATE.ERROR;
  55         exception = e;
  56     }
  57 
  58     /**
  59      * Save exception and set state to FATAL.
  60      * @param e exception wrap error.
  61      */
  62     @Override
  63     public void fatalError (SAXParseException e) {
  64         state = STATE.FATAL;
  65         exception = e;
  66     }
  67 
  68     /**
  69      * Save exception and set state to WARNING.
  70      * @param e exception wrap error.
  71      */
  72     @Override
  73     public void warning (SAXParseException e) {
  74         state = STATE.WARNING;
  75         exception = e;
  76     }
  77 
  78     /**
  79      * return ErrorHandle's state .
  80      * @return true No error, fatalError and warning.
  81      *         false there is any error, fatalError or warning in processing.
  82      */
  83     public boolean isAnyError() {
  84         if (state != STATE.NORMAL)
  85             System.out.println(exception);
  86         return state != STATE.NORMAL;
  87     }
  88 
  89     /**
  90      * return whether fatalError is the only error.
  91      * @return true fatalError is the only error.
  92      *         false there is no error, or other error besides fatalError.
  93      */
  94     public boolean isFatalError() {
  95         if (state == STATE.FATAL)
  96             System.out.println(exception);
  97         return state == STATE.FATAL;
  98     }
  99 
 100 }