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 6 * under the terms of the GNU General Public License version 2 only, as 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 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package 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 */ 38public 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 */ 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 */ 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 */ 61 int getCharacterOffset(); 62 63 /** 64 * Returns the public ID of the XML 65 * @return the public ID, or null if not available 66 */ 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 */ 73 public String getSystemId(); 74} 75