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@sameer
Last active Mar 22, 2021
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Prints out all cellls in an Excel XLS sheet along with named references for analyzing XLM macros
import org.apache.poi.ss.formula.EvaluationWorkbook;
import org.apache.poi.ss.formula.FormulaParser;
import org.apache.poi.ss.formula.FormulaType;
import org.apache.poi.ss.formula.WorkbookEvaluator;
import org.apache.poi.ss.formula.eval.BlankEval;
import org.apache.poi.ss.formula.eval.FunctionEval;
import org.apache.poi.ss.formula.eval.ValueEval;
import org.apache.poi.ss.formula.function.FunctionMetadataRegistry;
import org.apache.poi.ss.formula.functions.Fixed2ArgFunction;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.hssf.usermodel.HSSFEvaluationWorkbook;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Iterator;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
public class XlmAnalyze {
private static final String FILE_NAME = "2307013695_03162021.xls";
public static void main(String[] args) throws Throwable {
var excelFile = new FileInputStream(new File(FILE_NAME));
var workbook = new HSSFWorkbook(excelFile);
var pictures = workbook.getAllPictures();
for (int i = 0; i < pictures.size(); i++) {
var pic = pictures.get(i);
var picFile = new FileOutputStream("pic_" + i + "." + pic.getMimeType().split("/")[1]);
picFile.write(pic.getData());
picFile.close();
}
System.out.println("#### Workbook breakdown");
System.out.println("| Sheet | Address | Type | Value |");
System.out.println("|--|--|--|--|");
for (var sheet : workbook) {
for (var row : sheet) {
for (var cell : row) {
String cellValue;
System.out.printf("|%s|%s|%s|", sheet.getSheetName(), cell.getAddress(), cell.getCellType());
try {
cellValue = switch (cell.getCellType()) {
case BLANK -> "null";
case BOOLEAN -> Boolean.toString(cell.getBooleanCellValue());
case ERROR -> "#ERROR";
case FORMULA -> cell.getCellFormula();
case NUMERIC -> Double.toString(cell.getNumericCellValue());
case STRING -> "\"" + cell.getRichStringCellValue() + "\"";
default -> throw new IllegalArgumentException("Unexpected cell type: " + cell.getCellType());
};
} catch (Throwable t) {
String cellString = cell.getStringCellValue();
cellValue = "(\u001B[91mfailed to parse\u001B[0m) " + cellString;
cell.removeFormula();
}
System.out.println(cellValue + "|");
}
}
}
if (workbook.getAllNames().size() != 0) {
System.out.println("This workbook contains defined names: ");
for (var name : workbook.getAllNames()) {
System.out.print("* " + name.getNameName() + " in " + name.getSheetName() + ": ");
if (name.isFunctionName()) {
System.out.println("is a function");
} else {
System.out.println("refers to " + name.getRefersToFormula());
}
}
}
System.out.println(workbook.getInternalWorkbook().getRecords());
workbook.close();
}
}
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