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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.

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/*   Copyright 2004 The Apache Software Foundation
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.xmlbeans;

import org.apache.xmlbeans.XmlCursor.XmlBookmark;

/**
 * A subclass of XmlBookmark that holds line number information.
 * If a document is parsed with line numbers
 * enabled, these bookmarks will be placed at appropriate locations
 * within the document.
 * 
 * @see XmlOptions#setLoadLineNumbers 
 */
public class XmlLineNumber extends XmlBookmark
{
    /**
     * Constructs a line number with no column or offset information.
     * @param line the line number - the first line is 1
     */ 
    public XmlLineNumber ( int line ) { this( line, -1, -1 ); }
    
    /**
     * Constructs a line number and column with no file offset information.
     * @param line the line number - the first line is 1
     * @param line the column number - the first column is 1
     */
    public XmlLineNumber ( int line, int column ) { this( line, column, -1 ); }
    
    /**
     * Constructs a line number and column with no file offset information.
     * @param line the line number - the first line is 1
     * @param line the column number - the first column is 1
     * @param line the file character offset - the first character in the file is 0
     */
    public XmlLineNumber ( int line, int column, int offset )
    {
        super( false );
        
        _line = line;
        _column = column;
        _offset = offset;
    }
    
    /**
     * Returns the 1-based line number, or -1 if not known.
     */ 
    public int getLine   ( ) { return _line;   }
    
    /**
     * Returns the 1-based column number, or -1 if not known.
     */ 
    public int getColumn ( ) { return _column; }
    
    /**
     * Returns the 0-based file offset number, or -1 if not known.
     */ 
    public int getOffset ( ) { return _offset; }

    private int _line, _column, _offset;
}