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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
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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
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 
26 package javax.xml.transform;
27 
28 /**
29  * This interface is primarily for the purposes of reporting where
30  * an error occurred in the XML source or transformation instructions.
31  *
32  * @since 1.4
33  */
34 public interface SourceLocator {
35 
36     /**
37      * Return the public identifier for the current document event.
38      *
39      * <p>The return value is the public identifier of the document
40      * entity or of the external parsed entity in which the markup that
41      * triggered the event appears.</p>
42      *
43      * @return A string containing the public identifier, or
44      *         null if none is available.
45      * @see #getSystemId
46      */
getPublicId()47     public String getPublicId();
48 
49     /**
50      * Return the system identifier for the current document event.
51      *
52      * <p>The return value is the system identifier of the document
53      * entity or of the external parsed entity in which the markup that
54      * triggered the event appears.</p>
55      *
56      * <p>If the system identifier is a URL, the parser must resolve it
57      * fully before passing it to the application.</p>
58      *
59      * @return A string containing the system identifier, or null
60      *         if none is available.
61      * @see #getPublicId
62      */
getSystemId()63     public String getSystemId();
64 
65     /**
66      * Return the line number where the current document event ends.
67      *
68      * <p><strong>Warning:</strong> The return value from the method
69      * is intended only as an approximation for the sake of error
70      * reporting; it is not intended to provide sufficient information
71      * to edit the character content of the original XML document.</p>
72      *
73      * <p>The return value is an approximation of the line number
74      * in the document entity or external parsed entity where the
75      * markup that triggered the event appears.</p>
76      *
77      * @return The line number, or -1 if none is available.
78      * @see #getColumnNumber
79      */
getLineNumber()80     public int getLineNumber();
81 
82     /**
83      * Return the character position where the current document event ends.
84      *
85      * <p><strong>Warning:</strong> The return value from the method
86      * is intended only as an approximation for the sake of error
87      * reporting; it is not intended to provide sufficient information
88      * to edit the character content of the original XML document.</p>
89      *
90      * <p>The return value is an approximation of the column number
91      * in the document entity or external parsed entity where the
92      * markup that triggered the event appears.</p>
93      *
94      * @return The column number, or -1 if none is available.
95      * @see #getLineNumber
96      */
getColumnNumber()97     public int getColumnNumber();
98 }
99