/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements. See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership. The ASF licenses this file

 * to you 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.

 */

/*

 * $Id:  $

 */

package com.sun.org.apache.xml.internal.serializer.dom3;

import org.w3c.dom.DOMLocator;

import org.w3c.dom.Node;

/**

 * <code>DOMLocatorImpl</code> is an implementaion that describes a location (e.g.

 * where an error occured).

 * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.

 * This class is a copy of the Xerces-2J class org.apache.xerces.dom.DOMLocatorImpl.java v 1.10

 *

 * @author Gopal Sharma, SUN Microsystems Inc.

 * @version $Id:

 *

 * @xsl.usage internal

 */

final class DOMLocatorImpl implements DOMLocator {

    //

    // Data

    //

    /**

     * The column number where the error occured,

     * or -1 if there is no column number available.

     */

    private final int fColumnNumber;

    /**

     * The line number where the error occured,

     * or -1 if there is no line number available.

     */

    private final int fLineNumber;

    /** related data node*/

    private final Node fRelatedNode;

    /**

     * The URI where the error occured,

     * or null if there is no URI available.

     */

    private final String fUri;

    /**

     * The byte offset into the input source this locator is pointing to or -1

     * if there is no byte offset available

     */

    private final int fByteOffset;

    /**

     * The UTF-16, as defined in [Unicode] and Amendment 1 of [ISO/IEC 10646],

     * offset into the input source this locator is pointing to or -1 if there

     * is no UTF-16 offset available.

     */

    private final int fUtf16Offset;

    //

    // Constructors

    //

    DOMLocatorImpl(){

        fColumnNumber = -1;

        fLineNumber = -1;

        fRelatedNode = null;

        fUri = null;

        fByteOffset = -1;

        fUtf16Offset = -1;

    }

    DOMLocatorImpl (int lineNumber, int columnNumber, String uri ){

        fLineNumber = lineNumber ;

        fColumnNumber = columnNumber ;

        fUri = uri;

        fRelatedNode = null;

        fByteOffset = -1;

        fUtf16Offset = -1;

    } // DOMLocatorImpl (int lineNumber, int columnNumber, String uri )

    DOMLocatorImpl (int lineNumber, int columnNumber, int utf16Offset, String uri ){

        fLineNumber = lineNumber ;

        fColumnNumber = columnNumber ;

        fUri = uri;

        fUtf16Offset = utf16Offset;

        fRelatedNode = null;

        fByteOffset = -1;

    } // DOMLocatorImpl (int lineNumber, int columnNumber, int utf16Offset, String uri )

    DOMLocatorImpl (int lineNumber, int columnNumber, int byteoffset, Node relatedData, String uri ){

        fLineNumber = lineNumber ;

        fColumnNumber = columnNumber ;

        fByteOffset = byteoffset ;

        fRelatedNode = relatedData ;

        fUri = uri;

        fUtf16Offset = -1;

    } // DOMLocatorImpl (int lineNumber, int columnNumber, int offset, Node errorNode, String uri )

    DOMLocatorImpl (int lineNumber, int columnNumber, int byteoffset, Node relatedData, String uri, int utf16Offset ){

        fLineNumber = lineNumber ;

        fColumnNumber = columnNumber ;

        fByteOffset = byteoffset ;

        fRelatedNode = relatedData ;

        fUri = uri;

        fUtf16Offset = utf16Offset;

    } // DOMLocatorImpl (int lineNumber, int columnNumber, int offset, Node errorNode, String uri )

    /**

     * The line number where the error occured, or -1 if there is no line

     * number available.

     */

    public int getLineNumber(){

        return fLineNumber;

    }

    /**

     * The column number where the error occured, or -1 if there is no column

     * number available.

     */

    public int getColumnNumber(){

        return fColumnNumber;

    }

    /**

     * The URI where the error occured, or null if there is no URI available.

     */

    public String getUri(){

        return fUri;

    }

    public Node getRelatedNode(){

        return fRelatedNode;

    }

    /**

     * The byte offset into the input source this locator is pointing to or -1

     * if there is no byte offset available

     */

    public int getByteOffset(){

        return fByteOffset;

    }

    /**

     * The UTF-16, as defined in [Unicode] and Amendment 1 of [ISO/IEC 10646],

     * offset into the input source this locator is pointing to or -1 if there

     * is no UTF-16 offset available.

     */

    public int getUtf16Offset(){

        return fUtf16Offset;

    }

}// class DOMLocatorImpl