001/*
002 * Copyright 2006-2007 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.batch.item.xml.stax;
018
019import javax.xml.stream.XMLEventWriter;
020import javax.xml.stream.XMLStreamException;
021import javax.xml.stream.events.XMLEvent;
022
023/**
024 * Delegating XMLEventWriter, which ignores start and end document events,
025 * but passes through everything else.
026 *
027 * @author peter.zozom
028 * @author Robert Kasanicky
029 */
030public class NoStartEndDocumentStreamWriter extends AbstractEventWriterWrapper {
031
032        public NoStartEndDocumentStreamWriter(XMLEventWriter wrappedEventWriter) {
033                super(wrappedEventWriter);
034        }
035
036    @Override
037        public void add(XMLEvent event) throws XMLStreamException {
038                if ((!event.isStartDocument()) && (!event.isEndDocument())) {
039                        wrappedEventWriter.add(event);
040                }
041        }
042    
043    // prevents OXM Marshallers from closing the XMLEventWriter
044    @Override
045    public void close() throws XMLStreamException {
046        flush();
047    }
048}