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    1   /*
    2    * Copyright (c) 2004 World Wide Web Consortium,
    3    *
    4    * (Massachusetts Institute of Technology, European Research Consortium for
    5    * Informatics and Mathematics, Keio University). All Rights Reserved. This
    6    * work is distributed under the W3C(r) Software License [1] in the hope that
    7    * it will be useful, but WITHOUT ANY WARRANTY; without even the implied
    8    * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    9    *
   10    * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
   11    */
   12   
   13   package org.w3c.dom;
   14   
   15   /**
   16    *  <code>DOMErrorHandler</code> is a callback interface that the DOM 
   17    * implementation can call when reporting errors that happens while 
   18    * processing XML data, or when doing some other processing (e.g. validating 
   19    * a document). A <code>DOMErrorHandler</code> object can be attached to a 
   20    * <code>Document</code> using the "error-handler" on the 
   21    * <code>DOMConfiguration</code> interface. If more than one error needs to 
   22    * be reported during an operation, the sequence and numbers of the errors 
   23    * passed to the error handler are implementation dependent. 
   24    * <p> The application that is using the DOM implementation is expected to 
   25    * implement this interface. 
   26    * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.
   27    * @since DOM Level 3
   28    */
   29   public interface DOMErrorHandler {
   30       /**
   31        * This method is called on the error handler when an error occurs.
   32        * <br> If an exception is thrown from this method, it is considered to be 
   33        * equivalent of returning <code>true</code>. 
   34        * @param error  The error object that describes the error. This object 
   35        *   may be reused by the DOM implementation across multiple calls to 
   36        *   the <code>handleError</code> method. 
   37        * @return  If the <code>handleError</code> method returns 
   38        *   <code>false</code>, the DOM implementation should stop the current 
   39        *   processing when possible. If the method returns <code>true</code>, 
   40        *   the processing may continue depending on 
   41        *   <code>DOMError.severity</code>. 
   42        */
   43       public boolean handleError(DOMError error);
   44   
   45   }

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