Package org.apache.poi.hssf.dev

Source Code of org.apache.poi.hssf.dev.ReSave

/*
* 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.hssf.dev;

import org.apache.poi.hssf.usermodel.HSSFPatriarch;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;

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

/**
*  Utility to test that POI produces readable output
*  after re-saving xls files.
*
*  Usage: ReSave [-dg] input.xls
*    -dg    initialize drawings, causes to re-build escher aggregates in all sheets
*/
public class ReSave {
    public static void main(String[] args) throws Exception {
        boolean initDrawing = false;
        for(String arg : args) {
            if(arg.equals("-dg")) initDrawing = true;
            else {
                System.out.print("reading " + arg + "...");
                FileInputStream is = new FileInputStream(arg);
                HSSFWorkbook wb = new HSSFWorkbook(is);
                is.close();
                System.out.println("done");

                for(int i = 0; i < wb.getNumberOfSheets(); i++){
                    HSSFSheet sheet = wb.getSheetAt(i);
                    if(initDrawing) {
                        HSSFPatriarch dg = sheet.getDrawingPatriarch();
                    }
                }

                String outputFile = arg.replace(".xls", "-saved.xls");
                System.out.print("saving to " + outputFile + "...");
                FileOutputStream out = new FileOutputStream(outputFile);
                wb.write(out);
                out.close();
                System.out.println("done");
            }
        }
    }
}
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