crop prototype

@Grab('com.itextpdf:itextpdf:5.3.4')
@GrabConfig(systemClassLoader = true)
import java.io.FileOutputStream;
import java.io.IOException;
 
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfReader;
import com.itextpdf.text.pdf.PdfStamper;
import com.itextpdf.text.pdf.PdfRectangle;
import com.itextpdf.text.pdf.parser.PdfReaderContentParser;
import com.itextpdf.text.pdf.parser.TextMarginFinder;
import com.itextpdf.text.pdf.PdfDictionary;
import com.itextpdf.text.pdf.PdfName
import java.util.*

LowerX = 145
UpperX = 355

LowerAY = 465
UpperAY = 484

LowerFY = 484
UpperFY = 504

frect = new PdfRectangle(LowerX,LowerFY,UpperX,UpperFY);
arect = new PdfRectangle(LowerX,LowerAY,UpperX,UpperAY);

def cropFile(String theFile) {
  inFile = new File(theFile)
  name = inFile.getName().hashCode()
  reader = new PdfReader(theFile);
  parser = new PdfReaderContentParser(reader);
  String fnFile = "generated/f" + "fn_${name}".hashCode() + ".pdf"
  stamper = new PdfStamper(reader, new FileOutputStream(fnFile));
  pageDict = reader.getPageN(1)
  pageDict.put(PdfName.CROPBOX, frect);
  stamper.close();
  reader = new PdfReader(theFile);
  String anFile = "generated/f" + "an_${name}".hashCode() + ".pdf"
  stamper = new PdfStamper(reader, new FileOutputStream(anFile));
  pageDict = reader.getPageN(1)
  pageDict.put(PdfName.CROPBOX, arect);
  stamper.close();
  return new Tuple(fnFile,anFile)
}

PdfFilter_ = new FileFilter() {
  def boolean accept(File pathName) {
    return pathName.getName().endsWith(".pdf") || pathName.isDirectory()
  }
}

def searchFiles(File rootDir, List<String> res) {
  for (File file_ : rootDir.listFiles(PdfFilter_)) {
    if (file_.isDirectory()) {
      searchFiles(file_,res)
    } else {
      res.add(file_)
    }
  }
  return
}

files = new ArrayList<String>()
searchFiles(new File("./"),files)
new File("db.txt").withWriter { out -> 
  files.each { f ->
    tuple = cropFile(f.getCanonicalPath())
    out.println "${f.getName()},${tuple.get(0)},${tuple.get(1)}"
  }
}

Groovy?