jakarta.json.stream.JsonLocation Maven / Gradle / Ivy
/*
* Copyright (c) 2013, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.json.stream;
/**
* Provides the location information of a JSON event in an input source. The
* {@code JsonLocation} information can be used to identify incorrect JSON
* or can be used by higher frameworks to know about the processing location.
*
* All the information provided by a {@code JsonLocation} is optional. For
* example, a provider may only report line numbers. Also, there may not be any
* location information for an input source. For example, if a
* {@code JsonParser} is created using
* {@link jakarta.json.JsonArray JsonArray} input source, all the methods in
* this class return -1.
* @see JsonParser
* @see JsonParsingException
*/
public interface JsonLocation {
/**
* Return the line number (starts with 1 for the first line) for the current JSON event in the input source.
*
* @return the line number (starts with 1 for the first line) or -1 if none is available
*/
long getLineNumber();
/**
* Return the column number (starts with 1 for the first column) for the current JSON event in the input source.
*
* @return the column number (starts with 1 for the first column) or -1 if none is available
*/
long getColumnNumber();
/**
* Return the stream offset into the input source this location
* is pointing to. If the input source is a file or a byte stream then
* this is the byte offset into that stream, but if the input source is
* a character media then the offset is the character offset.
* Returns -1 if there is no offset available.
*
* @return the offset of input source stream, or -1 if there is
* no offset available
*/
long getStreamOffset();
}