/*
 * Copyright (c) 2005, 2006, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
 */


package com.sun.xml.internal.fastinfoset.stax.util;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.StreamFilter;
import com.sun.xml.internal.fastinfoset.CommonResourceBundle;


public class StAXFilteredParser extends StAXParserWrapper {
    private StreamFilter _filter;
    
    /** Creates a new instance of StAXFilteredParser */
    public StAXFilteredParser() {
    }
    public StAXFilteredParser(XMLStreamReader reader, StreamFilter filter) {
        super(reader);
        _filter = filter;
    }
    
    public void setFilter(StreamFilter filter) {
        _filter = filter;
    }

    public int next() throws XMLStreamException
    {
        if (hasNext())
            return super.next();
        throw new IllegalStateException(CommonResourceBundle.getInstance().getString("message.noMoreItems"));
    }

    public boolean hasNext() throws XMLStreamException
    {
        while (super.hasNext()) {
            if (_filter.accept(getReader())) return true;
            super.next();
        }
        return false;
    }
    
}