/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.xml.internal.bind.v2.runtime.unmarshaller;

import java.net.URL;

import javax.xml.bind.ValidationEventLocator;

import org.xml.sax.Locator;

import org.w3c.dom.Node;

/**

 * is parsing.

 *

 * @author Kohsuke Kawaguchi

 */

public interface LocatorEx extends Locator {

    /**

     * Gets the current location in a {@link ValidationEventLocator} object.

     */

    ValidationEventLocator getLocation();

    /**

     * Immutable snapshot of a {@link LocatorEx}

     */

    public static final class Snapshot implements LocatorEx, ValidationEventLocator {

        private final int columnNumber,lineNumber,offset;

        private final String systemId,publicId;

        private final URL url;

        private final Object object;

        private final Node node;

        public Snapshot(LocatorEx loc) {

            columnNumber = loc.getColumnNumber();

            lineNumber = loc.getLineNumber();

            systemId = loc.getSystemId();

            publicId = loc.getPublicId();

            ValidationEventLocator vel = loc.getLocation();

            offset = vel.getOffset();

            url = vel.getURL();

            object = vel.getObject();

            node = vel.getNode();

        }

        public Object getObject() {

            return object;

        }

        public Node getNode() {

            return node;

        }

        public int getOffset() {

            return offset;

        }

        public URL getURL() {

            return url;

        }

        public int getColumnNumber() {

            return columnNumber;

        }

        public int getLineNumber() {

            return lineNumber;

        }

        public String getSystemId() {

            return systemId;

        }

        public String getPublicId() {

            return publicId;

        }

        public ValidationEventLocator getLocation() {

            return this;

        }

    }

}