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Apache POI Examples

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/*
 *  ====================================================================
 *    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.
 * ==================================================================== 
 */

package org.apache.poi.xslf.usermodel;

import java.io.FileInputStream;
import java.io.FileOutputStream;

/**
 * Merge multiple pptx presentations together
 *
 * @author Yegor Kozlov
 */
public final class MergePresentations {

    public static void main(String args[]) throws Exception {
        XMLSlideShow ppt = new XMLSlideShow();

        for(String arg : args){
            FileInputStream is = new FileInputStream(arg);
            XMLSlideShow src = new XMLSlideShow(is);
            is.close();

            for(XSLFSlide srcSlide : src.getSlides()){
                ppt.createSlide().importContent(srcSlide);
            }
            
            src.close();
        }

        FileOutputStream out = new FileOutputStream("merged.pptx");
        ppt.write(out);
        out.close();
        
        ppt.close();
    }

}