Example usage for java.io FileInputStream read

List of usage examples for java.io FileInputStream read

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Introduction

In this page you can find the example usage for java.io FileInputStream read.

Prototype

public int read(byte b[]) throws IOException

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:br.gov.jfrj.siga.cd.AssinaturaDigital.java

@SuppressWarnings("unchecked")
protected static void addSignatureToPDF(byte[] pdf, byte[] signature) throws Exception {
    PdfReader reader = new PdfReader(pdf);
    FileOutputStream fout = new FileOutputStream("c:/trabalhos/java/teste_assinado.pdf");

    final int SIZE = 128000;

    PdfStamper stp = PdfStamper.createSignature(reader, fout, '\0');
    PdfSignatureAppearance sap = stp.getSignatureAppearance();

    PdfDictionary dic = new PdfDictionary();
    dic.put(PdfName.TYPE, PdfName.SIG);//from   w  w w .  j  av a2s.  c o m
    dic.put(PdfName.FILTER, new PdfName("Adobe.PPKMS"));
    dic.put(PdfName.SUBFILTER, new PdfName("adbe.pkcs7.detached"));

    sap.setCryptoDictionary(dic);
    HashMap exc = new HashMap();
    exc.put(PdfName.CONTENTS, new Integer(SIZE));
    sap.preClose(exc);

    byte[] data = streamToByteArray(sap.getRangeStream());
    FileOutputStream fout2 = new FileOutputStream("c:/trabalhos/java/teste_hash.b64");
    fout2.write(Base64.encode(data).getBytes());
    fout2.close();
    File f = new File("c:/trabalhos/java/teste_sign.b64");
    FileInputStream fin = new FileInputStream(f);
    byte[] signatureB64 = new byte[(int) f.length()];
    fin.read(signatureB64);
    @SuppressWarnings("unused")
    StringBuilder sb = new StringBuilder();
    byte[] signature1 = Base64.decode(new String(signatureB64));
    fin.close();
    byte[] A_CP = converterPkcs7EmCMSComCertificadosECRLs(signature1);
    CMSSignedData A_T = TimeStamper.addTimestamp(new CMSSignedData(A_CP));
    // verificarAssinaturaCMS(conteudo, A_T.getEncoded(), dtAssinatura);
    signature = A_T.getEncoded();

    byte[] outc = new byte[(SIZE - 2) / 2];
    System.arraycopy(signature, 0, outc, 0, signature.length);
    PdfDictionary dic2 = new PdfDictionary();

    dic2.put(PdfName.CONTENTS, new PdfString(outc).setHexWriting(true));
    sap.close(dic2);
}

From source file:br.gov.jfrj.siga.cd.AssinaturaDigital.java

@SuppressWarnings("unchecked")
protected static void main(String[] args) throws Exception {
    byte[] pdf;//from w w w . j a v  a 2 s  .co  m
    {
        File f = new File("c:/trabalhos/java/teste.pdf");
        FileInputStream fin = new FileInputStream(f);
        pdf = new byte[(int) f.length()];
        fin.read(pdf);
        fin.close();
    }

    PdfReader reader = new PdfReader(pdf);
    FileOutputStream fout = new FileOutputStream("c:/trabalhos/java/teste_assinado.pdf");

    final int SIZE = 256000;

    PdfStamper stp = PdfStamper.createSignature(reader, fout, '\0');
    PdfSignatureAppearance sap = stp.getSignatureAppearance();

    PdfDictionary dic = new PdfDictionary();
    dic.put(PdfName.TYPE, PdfName.SIG);
    dic.put(PdfName.FILTER, new PdfName("Adobe.PPKMS"));
    dic.put(PdfName.SUBFILTER, new PdfName("adbe.pkcs7.detached"));

    sap.setCryptoDictionary(dic);
    HashMap exc = new HashMap();
    exc.put(PdfName.CONTENTS, new Integer(SIZE));
    sap.setSignDate(Calendar.getInstance());
    sap.preClose(exc);

    byte[] data = streamToByteArray(sap.getRangeStream());
    FileOutputStream fout2 = new FileOutputStream("c:/trabalhos/java/teste_hash.b64");
    fout2.write(Base64.encode(data).getBytes());
    fout2.close();
    File f = new File("c:/trabalhos/java/teste_sign.b64");
    FileInputStream fin = new FileInputStream(f);
    byte[] signatureB64 = new byte[(int) f.length()];
    fin.read(signatureB64);
    @SuppressWarnings("unused")
    StringBuilder sb = new StringBuilder();
    byte[] signature1 = Base64.decode(new String(signatureB64));
    fin.close();
    byte[] A_CP = converterPkcs7EmCMSComCertificadosECRLs(signature1);
    CMSSignedData A_T = TimeStamper.addTimestamp(new CMSSignedData(A_CP));
    // verificarAssinaturaCMS(conteudo, A_T.getEncoded(), dtAssinatura);
    byte[] signature = A_T.getEncoded();

    byte[] outc = new byte[(SIZE - 2) / 2];
    System.arraycopy(signature, 0, outc, 0, signature.length);
    PdfDictionary dic2 = new PdfDictionary();

    dic2.put(PdfName.CONTENTS, new PdfString(outc).setHexWriting(true));
    sap.close(dic2);
}

From source file:com.aurel.track.lucene.util.FileUtil.java

private static void zipFiles(File dirZip, ZipOutputStream zipOut, String rootPath) {
    try {/*from  w  w w .  ja  v  a  2 s  . com*/
        // get a listing of the directory content
        File[] dirList = dirZip.listFiles();
        byte[] readBuffer = new byte[2156];
        int bytesIn;
        // loop through dirList, and zip the files
        for (int i = 0; i < dirList.length; i++) {
            File f = dirList[i];
            if (f.isDirectory()) {
                // if the File object is a directory, call this
                // function again to add its content recursively
                String filePath = f.getAbsolutePath();
                zipFiles(new File(filePath), zipOut, rootPath);
                // loop again
                continue;
            }
            // if we reached here, the File object f was not a directory
            // create a FileInputStream on top of f
            FileInputStream fis = new FileInputStream(f);
            // create a new zip entry
            ZipEntry anEntry = new ZipEntry(
                    f.getAbsolutePath().substring(rootPath.length() + 1, f.getAbsolutePath().length()));
            // place the zip entry in the ZipOutputStream object
            zipOut.putNextEntry(anEntry);
            // now write the content of the file to the ZipOutputStream
            while ((bytesIn = fis.read(readBuffer)) != -1) {
                zipOut.write(readBuffer, 0, bytesIn);
            }
            // close the Stream
            fis.close();
        }

    } catch (Exception e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    }
}

From source file:com.nridge.core.base.std.FilUtl.java

/**
 * Compresses the input path name into a ZIP output file stream.  The
 * method will recursively process all files and sub folders within
 * the input path file./*from w  ww .  j a va2 s .c o m*/
 *
 * @param aPathName Identifies the name of the folder to compress.
 * @param aZipOutStream A previously opened ZIP output file stream.
 * @throws IOException Related to opening the file streams and
 * related read/write operations.
 */
static public void zipPath(String aPathName, ZipOutputStream aZipOutStream) throws IOException {
    int byteCount;
    byte[] ioBuf;
    String[] fileList;
    File zipFile, inFile;
    FileInputStream fileIn;

    zipFile = new File(aPathName);
    if (!zipFile.isDirectory())
        return;

    fileList = zipFile.list();
    if (fileList == null)
        return;

    for (String fileName : fileList) {
        inFile = new File(aPathName, fileName);
        if (inFile.isDirectory())
            zipPath(inFile.getPath(), aZipOutStream);
        else {
            ioBuf = new byte[FILE_IO_BUFFER_SIZE];
            fileIn = new FileInputStream(inFile);
            aZipOutStream.putNextEntry(new ZipEntry(inFile.getName()));
            byteCount = fileIn.read(ioBuf);
            while (byteCount > 0) {
                aZipOutStream.write(ioBuf, 0, byteCount);
                byteCount = fileIn.read(ioBuf);
            }
            fileIn.close();
        }
    }
}

From source file:io.apigee.buildTools.enterprise4g.utils.ZipUtils.java

static void addDir(File dirObj, ZipOutputStream out, File root, String prefix) throws IOException {
    File[] files = dirObj.listFiles();
    byte[] tmpBuf = new byte[1024];

    for (int i = 0; i < files.length; i++) {
        if (files[i].isDirectory()) {
            addDir(files[i], out, root, prefix);
            continue;
        }/*from   w  ww . j a  v a2s.  c  o  m*/
        FileInputStream in = new FileInputStream(files[i].getAbsolutePath());
        log.debug(" Adding: " + files[i].getAbsolutePath());

        String relativePath = files[i].getCanonicalPath().substring(root.getCanonicalPath().length());
        while (relativePath.startsWith("/")) {
            relativePath = relativePath.substring(1);
        }
        while (relativePath.startsWith("\\")) {
            relativePath = relativePath.substring(1);
        }

        String left = Matcher.quoteReplacement("\\");
        String right = Matcher.quoteReplacement("/");

        relativePath = relativePath.replaceAll(left, right);
        relativePath = (prefix == null) ? relativePath : prefix + "/" + relativePath;
        out.putNextEntry(new ZipEntry(relativePath));
        int len;
        while ((len = in.read(tmpBuf)) > 0) {
            out.write(tmpBuf, 0, len);
        }
        out.closeEntry();
        in.close();
    }
}

From source file:uploadProcess.java

public static boolean decrypt(File inputFolder, String fileName, String patientID, String viewKey) {
    try {/*from ww w  .  jav  a2  s  .  c  om*/

        String ukey = GetKey.getPatientKey(patientID);
        if (viewKey.equals(ukey)) {
            //Download File from Cloud..
            DropboxUpload download = new DropboxUpload();
            download.downloadFile(fileName, StoragePath.getDropboxDir() + patientID, inputFolder);

            File inputFile = new File(inputFolder.getAbsolutePath() + File.separator + fileName);
            FileInputStream fis = new FileInputStream(inputFile);
            File outputFolder = new File(inputFolder.getAbsolutePath() + File.separator + "temp");
            if (!outputFolder.exists()) {
                outputFolder.mkdir();
            }
            FileOutputStream fos = new FileOutputStream(
                    outputFolder.getAbsolutePath() + File.separator + fileName);
            byte[] k = ukey.getBytes();
            SecretKeySpec key = new SecretKeySpec(k, "AES");
            Cipher enc = Cipher.getInstance("AES");
            enc.init(Cipher.DECRYPT_MODE, key);
            CipherOutputStream cos = new CipherOutputStream(fos, enc);
            byte[] buf = new byte[1024];
            int read;
            while ((read = fis.read(buf)) != -1) {
                cos.write(buf, 0, read);
            }
            fis.close();
            fos.flush();
            cos.close();
            return true;
        } else {
            return false;
        }
    } catch (Exception e) {
        System.out.println("Error: " + e);
    }
    return false;
}

From source file:it.geosolutions.tools.compress.file.Compressor.java

/**
 * @param outputDir//  www .ja  va 2  s  .  c o m
 *            The directory where the zipfile will be created
 * @param zipFileBaseName
 *            The basename of hte zip file (i.e.: a .zip will be appended)
 * @param folder
 *            The folder that will be compressed
 * @return The created zipfile, or null if an error occurred.
 * @deprecated TODO UNTESTED
 */
public static File deflate(final File outputDir, final String zipFileBaseName, final File folder) {
    // Create a buffer for reading the files
    byte[] buf = new byte[4096];

    // Create the ZIP file
    final File outZipFile = new File(outputDir, zipFileBaseName + ".zip");
    if (outZipFile.exists()) {
        if (LOGGER.isInfoEnabled())
            LOGGER.info("The output file already exists: " + outZipFile);
        return outZipFile;
    }
    ZipOutputStream out = null;
    BufferedOutputStream bos = null;
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(outZipFile);
        bos = new BufferedOutputStream(fos);
        out = new ZipOutputStream(bos);
        Collector c = new Collector(null);
        List<File> files = c.collect(folder);
        // Compress the files
        for (File file : files) {
            FileInputStream in = null;
            try {
                in = new FileInputStream(file);
                if (file.isDirectory()) {
                    out.putNextEntry(new ZipEntry(Path.toRelativeFile(folder, file).getPath()));
                } else {
                    // Add ZIP entry to output stream.
                    out.putNextEntry(new ZipEntry(FilenameUtils.getBaseName(file.getName())));
                    // Transfer bytes from the file to the ZIP file
                    int len;
                    while ((len = in.read(buf)) > 0) {
                        out.write(buf, 0, len);
                    }
                }

            } finally {
                try {
                    // Complete the entry
                    out.closeEntry();
                } catch (IOException e) {
                }
                IOUtils.closeQuietly(in);
            }

        }

    } catch (IOException e) {
        LOGGER.error(e.getLocalizedMessage(), e);
        return null;
    } finally {

        // Complete the ZIP file
        IOUtils.closeQuietly(bos);
        IOUtils.closeQuietly(fos);
        IOUtils.closeQuietly(out);
    }

    return outZipFile;
}

From source file:it.geosolutions.tools.compress.file.Compressor.java

/**
 * This function zip the input file.//  w ww.  j a v a  2 s .  co  m
 * 
 * @param file
 *            The input file to be zipped.
 * @param out
 *            The zip output stream.
 * @throws IOException
 */
public static void zipFile(final File file, final ZipOutputStream out) throws IOException {

    if (file != null && out != null) {

        // ///////////////////////////////////////////
        // Create a buffer for reading the files
        // ///////////////////////////////////////////

        byte[] buf = new byte[4096];

        FileInputStream in = null;

        try {
            in = new FileInputStream(file);

            // //////////////////////////////////
            // Add ZIP entry to output stream.
            // //////////////////////////////////

            out.putNextEntry(new ZipEntry(FilenameUtils.getName(file.getAbsolutePath())));

            // //////////////////////////////////////////////
            // Transfer bytes from the file to the ZIP file
            // //////////////////////////////////////////////

            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }

            // //////////////////////
            // Complete the entry
            // //////////////////////

            out.closeEntry();

        } catch (IOException e) {
            if (LOGGER.isErrorEnabled())
                LOGGER.error(e.getLocalizedMessage(), e);
            if (out != null)
                out.close();
        } finally {
            if (in != null)
                in.close();
        }

    } else
        throw new IOException("One or more input parameters are null!");
}

From source file:it.cnr.icar.eric.common.Utility.java

public static ZipOutputStream createZipOutputStream(String baseDir, String[] relativeFilePaths, OutputStream os)
        throws FileNotFoundException, IOException {
    if (baseDir.startsWith("file:/")) {
        baseDir = baseDir.substring(5);/*from ww  w .j  a va2  s. c  om*/
    }
    ZipOutputStream zipoutputstream = new ZipOutputStream(os);

    zipoutputstream.setMethod(ZipOutputStream.STORED);

    for (int i = 0; i < relativeFilePaths.length; i++) {
        File file = new File(baseDir + FILE_SEPARATOR + relativeFilePaths[i]);

        byte[] buffer = new byte[1000];

        int n;

        FileInputStream fis;

        // Calculate the CRC-32 value.  This isn't strictly necessary
        //   for deflated entries, but it doesn't hurt.

        CRC32 crc32 = new CRC32();

        fis = new FileInputStream(file);

        while ((n = fis.read(buffer)) > -1) {
            crc32.update(buffer, 0, n);
        }

        fis.close();

        // Create a zip entry.

        ZipEntry zipEntry = new ZipEntry(relativeFilePaths[i]);

        zipEntry.setSize(file.length());
        zipEntry.setTime(file.lastModified());
        zipEntry.setCrc(crc32.getValue());

        // Add the zip entry and associated data.

        zipoutputstream.putNextEntry(zipEntry);

        fis = new FileInputStream(file);

        while ((n = fis.read(buffer)) > -1) {
            zipoutputstream.write(buffer, 0, n);
        }

        fis.close();

        zipoutputstream.closeEntry();
    }

    return zipoutputstream;
}

From source file:it.eng.spagobi.tools.scheduler.dispatcher.UniqueMailDocumentDispatchChannel.java

public static MimeBodyPart zipAttachment(String zipFileName, Map mailOptions, File tempFolder) {
    logger.debug("IN");
    MimeBodyPart messageBodyPart = null;
    try {/*from w w  w  .ja  v  a2  s.c  o m*/

        String nameSuffix = mailOptions.get(NAME_SUFFIX) != null ? (String) mailOptions.get(NAME_SUFFIX) : "";

        byte[] buffer = new byte[4096]; // Create a buffer for copying
        int bytesRead;

        // the zip
        String tempFolderPath = (String) mailOptions.get(TEMP_FOLDER_PATH);

        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        ZipOutputStream out = new ZipOutputStream(bout);

        logger.debug("File zip to write: " + tempFolderPath + File.separator + "zippedFile.zip");

        //files to zip
        String[] entries = tempFolder.list();

        for (int i = 0; i < entries.length; i++) {
            //File f = new File(tempFolder, entries[i]);
            File f = new File(tempFolder + File.separator + entries[i]);
            if (f.isDirectory())
                continue;//Ignore directory
            logger.debug("insert file: " + f.getName());
            FileInputStream in = new FileInputStream(f); // Stream to read file
            ZipEntry entry = new ZipEntry(f.getName()); // Make a ZipEntry
            out.putNextEntry(entry); // Store entry
            while ((bytesRead = in.read(buffer)) != -1)
                out.write(buffer, 0, bytesRead);
            in.close();
        }
        out.close();

        messageBodyPart = new MimeBodyPart();
        DataSource source = new ByteArrayDataSource(bout.toByteArray(), "application/zip");
        messageBodyPart.setDataHandler(new DataHandler(source));

        messageBodyPart.setFileName(zipFileName + nameSuffix + ".zip");

    } catch (Exception e) {
        logger.error("Error while creating the zip", e);
        return null;
    }

    logger.debug("OUT");

    return messageBodyPart;
}