1 /*
2  * Copyright (c) 2009, 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
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7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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24  */
25 
26 package javax.xml.stream;
27 
28 /**
29  * Provides information on the location of an event.
30  *
31  * All the information provided by a Location is optional.  For example
32  * an application may only report line numbers.
33  *
34  * @version 1.0
35  * @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.
36  * @since 1.6
37  */
38 public interface Location {
39   /**
40    * Return the line number where the current event ends,
41    * returns -1 if none is available.
42    * @return the current line number
43    */
getLineNumber()44   int getLineNumber();
45 
46   /**
47    * Return the column number where the current event ends,
48    * returns -1 if none is available.
49    * @return the current column number
50    */
getColumnNumber()51   int getColumnNumber();
52 
53   /**
54    * Return the byte or character offset into the input source this location
55    * is pointing to. If the input source is a file or a byte stream then
56    * this is the byte offset into that stream, but if the input source is
57    * a character media then the offset is the character offset.
58    * Returns -1 if there is no offset available.
59    * @return the current offset
60    */
getCharacterOffset()61   int getCharacterOffset();
62 
63   /**
64    * Returns the public ID of the XML
65    * @return the public ID, or null if not available
66    */
getPublicId()67   public String getPublicId();
68 
69   /**
70    * Returns the system ID of the XML
71    * @return the system ID, or null if not available
72    */
getSystemId()73   public String getSystemId();
74 }
75