A class to find Font Encodings in a PDF file using PDFBox

FontEncodingFinder.java

package com.kbashar.pdfboxtry;

import org.apache.pdfbox.encoding.Encoding;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDResources;
import org.apache.pdfbox.pdmodel.font.PDFont;

import java.io.IOException;
import java.util.List;
import java.util.Map;

/**
 * Created by kbashar on 2/24/15.
 */
public class FontEncodingFinder {
    public void showEncodings(String fileName) throws IOException {
        PDDocument document = PDDocument.load(fileName);
        List<PDPage> pages = document.getDocumentCatalog().getAllPages();
        for (PDPage page:pages) {
            PDResources resources = page.getResources();
            Map<String,PDFont> fonts = resources.getFonts();
            for (Map.Entry<String,PDFont> entry:fonts.entrySet())   {
                    Encoding encoding = entry.getValue().getFontEncoding();
                    if (encoding!=null) {
                        String[] string = encoding.toString().replaceAll("org.apache.pdfbox.encoding.","").split("@");

                        System.out.println(string[0]);
                    }
                    //if there is no explicit encoding then
                    // default Encoding "StandardEncoding will be shown"
                    else {
                        System.out.println("StandardEncoding");
                    }
            }
        }
    }

    public static void main(String[] args)  {
        if (args.length!=1) {
            System.out.println("Please provide file name");
            return;
        } else {
            FontEncodingFinder finder = new FontEncodingFinder();
            try {
                finder.showEncodings(args[0]);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
}