84 lines
3.1 KiB
Java
84 lines
3.1 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.poi.hssf.dev;
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import java.io.ByteArrayOutputStream;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.OutputStream;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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/**
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* Utility to test that POI produces readable output
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* after re-saving xls files.
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*
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* Usage: ReSave [-dg] input.xls
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* -dg initialize drawings, causes to re-build escher aggregates in all sheets
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* -bos only write to memory instead of a file
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*/
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public class ReSave {
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public static void main(String[] args) throws Exception {
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boolean initDrawing = false;
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boolean saveToMemory = false;
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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for(String filename : args) {
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if(filename.equals("-dg")) {
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initDrawing = true;
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} else if(filename.equals("-bos")) {
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saveToMemory = true;
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} else {
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System.out.print("reading " + filename + "...");
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FileInputStream is = new FileInputStream(filename);
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HSSFWorkbook wb = new HSSFWorkbook(is);
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try {
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System.out.println("done");
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for(int i = 0; i < wb.getNumberOfSheets(); i++){
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HSSFSheet sheet = wb.getSheetAt(i);
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if(initDrawing) {
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/*HSSFPatriarch dg =*/ sheet.getDrawingPatriarch();
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}
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}
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OutputStream os;
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if (saveToMemory) {
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bos.reset();
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os = bos;
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} else {
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String outputFile = filename.replace(".xls", "-saved.xls");
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System.out.print("saving to " + outputFile + "...");
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os = new FileOutputStream(outputFile);
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}
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try {
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wb.write(os);
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} finally {
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os.close();
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}
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System.out.println("done");
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} finally {
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wb.close();
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is.close();
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}
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}
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}
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}
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}
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