/*
* 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 java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
/**
* 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
* -bos only write to memory instead of a file
*/
public class ReSave {
public static void main(String[] args) throws Exception {
boolean initDrawing = false;
boolean saveToMemory = false;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
for(String filename : args) {
if(filename.equals("-dg")) {
initDrawing = true;
} else if(filename.equals("-bos")) {
saveToMemory = true;
} else {
System.out.print("reading " + filename + "...");
FileInputStream is = new FileInputStream(filename);
HSSFWorkbook wb = new HSSFWorkbook(is);
try {
System.out.println("done");
for(int i = 0; i < wb.getNumberOfSheets(); i++){
HSSFSheet sheet = wb.getSheetAt(i);
if(initDrawing) {
/*HSSFPatriarch dg =*/ sheet.getDrawingPatriarch();
}
}
OutputStream os;
if (saveToMemory) {
bos.reset();
os = bos;
} else {
String outputFile = filename.replace(".xls", "-saved.xls");
System.out.print("saving to " + outputFile + "...");
os = new FileOutputStream(outputFile);
}
try {
wb.write(os);
} finally {
os.close();
}
System.out.println("done");
} finally {
wb.close();
is.close();
}
}
}
}
}