// Copyright (C) 2003-2022, Foxit Software Inc..
// All Rights Reserved.
//
// http://www.foxitsoftware.com
//
// The following code is copyrighted and contains proprietary information and trade secrets of Foxit Software Inc..
// You cannot distribute any part of Foxit SDK to any third party or general public,
// unless there is a separate license agreement with Foxit Software Inc. which explicitly grants you such rights.
//
// This file contains an example to demonstrate how to use Foxit PDF SDK to import annotations from FDF/XFDF files
// and export annotations to FDF/XFDF files.

import com.foxit.sdk.PDFException;
import com.foxit.sdk.common.Library;
import com.foxit.sdk.common.Range;
import com.foxit.sdk.fdf.FDFDoc;
import com.foxit.sdk.pdf.PDFDoc;

import java.io.*;
import java.io.File;
import java.io.FileWriter;

import static com.foxit.sdk.common.Constants.e_ErrSuccess;
import static com.foxit.sdk.fdf.FDFDoc.e_FDF;
import static com.foxit.sdk.fdf.FDFDoc.e_XFDF;
import static com.foxit.sdk.pdf.PDFDoc.e_Annots;
import static com.foxit.sdk.pdf.PDFDoc.e_SaveFlagNoOriginal;

public class fdf {
    private static String key = "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";
    private static String sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
    private static String output_path = "../output_files/fdf/";
    private static String input_path = "../input_files/";

    // You can also use System.load("filename") instead. The filename argument must be an absolute path name.
    static {
        String os = System.getProperty("os.name").toLowerCase();
        String lib = "fsdk_java_";
        if (os.startsWith("win")) {
            lib += "win";
        } else if (os.startsWith("mac")) {
            lib += "mac";
        } else {
            lib += "linux";
        }
        
        if (System.getProperty("sun.arch.data.model").equals("64")) {
          if(System.getProperty("os.arch").equals("aarch64")){
            if(os.startsWith("mac")){
               lib += "arm";
             }
             else{
               lib += "armv8";
             }
           }
           else{
              lib += "64";
           }
        } else {
           if(System.getProperty("os.arch").equals("arm")){
              lib += "armv7";
           }
           else{
              lib += "32";
           }
        }
        System.loadLibrary(lib);
    }

    private static void createResultFolder(String output_path) {
        File myPath = new File(output_path);
        if (!myPath.exists()) {
            myPath.mkdir();
        }
    }

    public static void main(String[] args) throws PDFException {
        createResultFolder(output_path);
        // Initialize library
        int error_code = Library.initialize(sn, key);
        if (error_code != e_ErrSuccess) {
            System.out.println("Library Initialize Error: " + error_code);
            return;
        }
        try {
            Range empty_range = new Range();
{
    String input_file = input_path + "AboutFoxit.pdf";
    String fdf_file = input_path + "AnnotationData.fdf";
    PDFDoc pdf_doc = new PDFDoc(input_file);
    error_code = pdf_doc.load(null);
    if (error_code != e_ErrSuccess) {
        System.out.println("The Doc " + input_file + " Error: " + error_code);
        return;
    }
    FDFDoc fdf_doc = new FDFDoc(fdf_file);
    pdf_doc.importFromFDF(fdf_doc, e_Annots, empty_range);
    System.out.println("Import annotations from fdf with file.");
    String output_file = output_path + "AboutFoxit_importFDF.pdf";
    pdf_doc.saveAs(output_file, e_SaveFlagNoOriginal);
}

{
    String input_file = input_path + "AboutFoxit.pdf";
    String fdf_file = input_path + "AnnotationData.fdf";
    PDFDoc pdf_doc = new PDFDoc(input_file);
    error_code = pdf_doc.load(null);
    if (error_code != e_ErrSuccess) {
        System.out.println("The Doc " + input_file + " Error: " + error_code);
        return;
    }
File file = new File(fdf_file);  
Long filelength = file.length();  
byte[] filecontent = new byte[filelength.intValue()];  
try {  
FileInputStream in = new FileInputStream(file);  
in.read(filecontent);  
in.close();  
} catch (FileNotFoundException e) {  
e.printStackTrace();  
} catch (IOException e) {  
    e.printStackTrace();  
}  

    FDFDoc fdf_doc = new FDFDoc(filecontent);
    pdf_doc.importFromFDF(fdf_doc, e_Annots, empty_range);
    System.out.println("Import annotations from fdf with memory buffer.");
    String output_file = output_path + "AboutFoxit_importFDF_FromMemory.pdf";
    pdf_doc.saveAs(output_file, e_SaveFlagNoOriginal);
}

{
    // Export FDF file
    String input_file = input_path + "AnnotationDataExport.pdf";
    String output_fdf = output_path + "AnnotationDataExport_fdf.fdf";


    PDFDoc pdf_doc = new PDFDoc(input_file);
    error_code = pdf_doc.load(null);
    if (error_code != e_ErrSuccess) {
        System.out.println("The Doc " + input_file + "Error: " + error_code);
        return;
    }

    FDFDoc fdf_doc = new FDFDoc(e_FDF);
    pdf_doc.exportToFDF(fdf_doc, e_Annots, empty_range);
    System.out.println("Export a fdf file.");
    fdf_doc.saveAs(output_fdf);
}

{
    // Export XFDF file
    String input_file = input_path + "AnnotationDataExport.pdf";
    String output_xfdf = output_path + "AnnotationDataExport_xfdf.xfdf";

    PDFDoc pdf_doc = new PDFDoc(input_file);
    error_code = pdf_doc.load(null);
    if (error_code != e_ErrSuccess) {
        System.out.println("The Doc " + input_file + " Error: " + error_code);
        return;
    }

    FDFDoc fdf_doc = new FDFDoc(e_XFDF);
    pdf_doc.exportToFDF(fdf_doc, e_Annots, empty_range);
    System.out.println("Export an xfdf file.");
    fdf_doc.saveAs(output_xfdf);
}
} catch (Exception e) {
e.printStackTrace();
}

        Library.release();
    }
}
