/*
 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
 * 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
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 */

package com.sun.xml.internal.xsom.impl;

import com.sun.xml.internal.xsom.XSAnnotation;
import org.xml.sax.Locator;
import org.xml.sax.helpers.LocatorImpl;

public class AnnotationImpl implements XSAnnotation
{
    private Object annotation;
    public Object getAnnotation() { return annotation; }

    public Object setAnnotation(Object o) {
        Object r = this.annotation;
        this.annotation = o;
        return r;
    }

    private final Locator locator;
    public Locator getLocator() { return locator; }

    public AnnotationImpl( Object o, Locator _loc ) {
        this.annotation = o;
        this.locator = _loc;
    }

    public AnnotationImpl() {
        locator = NULL_LOCATION;
    }

    private static class LocatorImplUnmodifiable extends LocatorImpl {

        @Override
        public void setColumnNumber(int columnNumber) {
            return;
        }

        @Override
        public void setPublicId(String publicId) {
            return;
        }

        @Override
        public void setSystemId(String systemId) {
            return;
        }

        @Override
        public void setLineNumber(int lineNumber) {
            return;
        }
    };

    private static final LocatorImplUnmodifiable NULL_LOCATION = new LocatorImplUnmodifiable();
}