1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Copyright 2005 The Apache Software Foundation.
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 package com.sun.org.apache.xerces.internal.xpointer;
  21 
  22 import java.io.PrintWriter;
  23 
  24 import com.sun.org.apache.xerces.internal.xni.XNIException;
  25 import com.sun.org.apache.xerces.internal.xni.parser.XMLErrorHandler;
  26 import com.sun.org.apache.xerces.internal.xni.parser.XMLParseException;
  27 
  28 /**
  29  * The Default XPointer error handler used by the XInclude implementation.
  30  * XPointer error's are thrown so that they may be caught by the XInclude
  31  * implementation and reported as resource errors.
  32  *
  33  */
  34 class XPointerErrorHandler implements XMLErrorHandler {
  35 
  36     //
  37     // Data
  38     //
  39 
  40     /** Print writer. */
  41     protected PrintWriter fOut;
  42 
  43     //
  44     // Constructors
  45     //
  46 
  47     /**
  48      * Constructs an error handler that prints error messages to
  49      * <code>System.err</code>.
  50      */
  51     public XPointerErrorHandler() {
  52         this(new PrintWriter(System.err));
  53     } // <init>()
  54 
  55     /**
  56      * Constructs an error handler that prints error messages to the
  57      * specified <code>PrintWriter</code.
  58      */
  59     public XPointerErrorHandler(PrintWriter out) {
  60         fOut = out;
  61     } // <init>(PrintWriter)
  62 
  63     //
  64     // ErrorHandler methods
  65     //
  66 
  67     /** Warning. */
  68     public void warning(String domain, String key, XMLParseException ex)
  69             throws XNIException {
  70         printError("Warning", ex);
  71     } // warning(XMLParseException)
  72 
  73     /** Error. */
  74     public void error(String domain, String key, XMLParseException ex)
  75             throws XNIException {
  76         printError("Error", ex);
  77         //throw ex;
  78     } // error(XMLParseException)
  79 
  80     /** Fatal error. */
  81     public void fatalError(String domain, String key, XMLParseException ex)
  82             throws XNIException {
  83         printError("Fatal Error", ex);
  84         throw ex;
  85     } // fatalError(XMLParseException)
  86 
  87     //
  88     // Private methods
  89     //
  90 
  91     /** Prints the error message. */
  92     private void printError(String type, XMLParseException ex) {
  93 
  94         fOut.print("[");
  95         fOut.print(type);
  96         fOut.print("] ");
  97         String systemId = ex.getExpandedSystemId();
  98         if (systemId != null) {
  99             int index = systemId.lastIndexOf('/');
 100             if (index != -1)
 101                 systemId = systemId.substring(index + 1);
 102             fOut.print(systemId);
 103         }
 104         fOut.print(':');
 105         fOut.print(ex.getLineNumber());
 106         fOut.print(':');
 107         fOut.print(ex.getColumnNumber());
 108         fOut.print(": ");
 109         fOut.print(ex.getMessage());
 110         fOut.println();
 111         fOut.flush();
 112 
 113     } // printError(String,SAXParseException)
 114 
 115 } // class DefaultErrorHandler