PdfChecker.java

package filetools.pdf;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import org.apache.commons.io.FilenameUtils;
import org.apache.pdfbox.pdmodel.PDDocument;

public class PdfChecker {

	static String examinedFolder;

	static int PdfHeader;
	static int NoPdfHeader;
	static int PdfA;
	static int PdfStandard;
	static int PdfEncrypted;
	static int PdfTooBig;
	static int i;

	static long filesize;

	static PrintWriter outputfile;

	public static void main(String args[]) throws IOException {

		try {

			examinedFolder = utilities.BrowserDialogs.chooseFolder();

			// TODO: Create an XML Writer

			if (examinedFolder != null) {

				ArrayList<File> files = utilities.ListsFiles.getPaths(new File(examinedFolder), new ArrayList<File>());
				if (files == null)
					return;

				PdfHeader = 0;
				NoPdfHeader = 0;
				PdfA = 0;
				PdfStandard = 0;
				PdfEncrypted = 0;
				PdfTooBig = 0;
				filesize = 0;

				for (i = 0; i < files.size(); i++) {
					if (files.get(i) != null) {
						System.out.println(i + 1);

						try {
							System.out.println(files.get(i).getCanonicalPath());

							// is this necessary as the %PDF Test follows
							// anyway?
							String extension = FilenameUtils.getExtension(files.get(i).getCanonicalPath());
							extension = extension.toLowerCase();

							if (extension.equals("pdf")) {

								if (!filetools.GenericFileAnalysis.checkFileSize(files.get(i))) {

									if (filetools.GenericFileAnalysis.testFileHeaderPdf(files.get(i)) == true) {

										System.out.println(files.get(i).getName() + " is a PDF file and has a PDF header");
										PdfHeader++;

										PDDocument testfile = PDDocument.load(files.get(i));

										if (testfile.isEncrypted()) {

											System.out.println("Pdf is encrypted: " + files.get(i));
											PdfEncrypted++;

											// TODO: Add Encryption Checker

											// if
											// (!PdfEncryptor.isCopyAllowed(testfile.toString()))

										}

										else {

											String PdfType = PdfAnalysis.checkIfPdfA(files.get(i));

											System.out.println("Pdf Type: " + PdfType);

											if (PdfType.contains("PDF/A")) {
												PdfA++;
											} else {
												PdfStandard++; // this included
																// files with
																// "%PDF-header that have no XMP Metadata"
											}
										}
									}

									else {
										System.out.println(files.get(i).getName() + " PDF Header is missing.");
										NoPdfHeader++;
									}
								}

								else {
									PdfTooBig++;
								}
							}

							else {
								System.out.println("Extension is not .pdf");
								NoPdfHeader++;
							}
						}

						catch (IOException e) {
							System.out.print(e);
						}
					}
				}

				System.out.println();
				System.out.println();

				// System.out.println("Files examined: 	" + i); // does not
				// always
				// work
				System.out.println("PDF Header missing: 	" + NoPdfHeader);
				System.out.println("PDF Header: 		" + PdfHeader);
				System.out.println("PDF/A-files:		" + PdfA);
				System.out.println("PDF Standard files: 	" + PdfStandard);
				System.out.println("PDF Encrypted files: 	" + PdfEncrypted);
				System.out.println("PDF files too big:	" + PdfTooBig);
			}
		} catch (FileNotFoundException e) {

		}
	}
}