Example usage for java.util.zip ZipInputStream read

List of usage examples for java.util.zip ZipInputStream read

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Introduction

In this page you can find the example usage for java.util.zip ZipInputStream read.

Prototype

public int read() throws IOException

Source Link

Document

Reads a byte of uncompressed data.

Usage

From source file:MainClass.java

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

    for (int i = 0; i < args.length; i++) {
        FileInputStream fin = new FileInputStream(args[i]);
        ZipInputStream zin = new ZipInputStream(fin);
        ZipEntry ze = null;// w ww.ja v  a2s .  c  o m
        while ((ze = zin.getNextEntry()) != null) {
            System.out.println("Unzipping " + ze.getName());
            FileOutputStream fout = new FileOutputStream(ze.getName());
            for (int c = zin.read(); c != -1; c = zin.read()) {
                fout.write(c);
            }
            zin.closeEntry();
            fout.close();
        }
        zin.close();
    }
}

From source file:Main.java

/**
 * Decompresses a given byte array that is a compressed folder.
 * //from   w  w  w .  jav  a  2 s  . c  o m
 * @param folderAsCompressedArray to decompress
 * @param unzippedLocation where the decompressed folder should be
 * @throws IOException e
 * @throws FileNotFoundException e
 */
public static void decompressFolderByteArray(byte[] folderAsCompressedArray, File unzippedLocation)
        throws IOException, FileNotFoundException {
    ZipInputStream zipFile = new ZipInputStream(new ByteArrayInputStream(folderAsCompressedArray));
    ZipEntry ze = null;
    final int minusOne = -1;
    while ((ze = zipFile.getNextEntry()) != null) {
        FileOutputStream fout = new FileOutputStream(
                new File(unzippedLocation, ze.getName()).getAbsolutePath());
        for (int c = zipFile.read(); c != minusOne; c = zipFile.read()) {
            fout.write(c);
        }
        zipFile.closeEntry();
        fout.close();
    }
    zipFile.close();
}

From source file:com.jlgranda.fede.ejb.url.reader.FacturaElectronicaURLReader.java

/**
 * Obtiene la lista de objetos factura para el sujeto en fede
 *
 * @param urls URLs hacia los archivo XML o ZIP a leer
 * @return una lista de instancias FacturaReader
 *//* ww w . j  ava 2  s  .  c  om*/
public static FacturaReader getFacturaElectronica(String url) throws Exception {
    FacturaReader facturaReader = null;

    if (url.endsWith(".xml")) {
        String xml = FacturaElectronicaURLReader.read(url);
        facturaReader = new FacturaReader(FacturaUtil.read(xml), xml, url);
    } else if (url.endsWith(".zip")) {
        URL url_ = new URL(url);
        InputStream is = url_.openStream();
        ZipInputStream zis = new ZipInputStream(is);
        try {

            ZipEntry entry = null;
            String tmp = null;
            ByteArrayOutputStream fout = null;
            while ((entry = zis.getNextEntry()) != null) {
                if (entry.getName().toLowerCase().endsWith(".xml")) {
                    fout = new ByteArrayOutputStream();
                    for (int c = zis.read(); c != -1; c = zis.read()) {
                        fout.write(c);
                    }

                    tmp = new String(fout.toByteArray(), Charset.defaultCharset());
                    facturaReader = new FacturaReader(FacturaUtil.read(tmp), tmp, url);
                    fout.close();
                }
                zis.closeEntry();
            }
            zis.close();

        } catch (IOException ioe) {
            ioe.printStackTrace();
        } finally {
            IOUtils.closeQuietly(is);
            IOUtils.closeQuietly(zis);
        }
    }

    return facturaReader;
}

From source file:reconcile.hbase.mapreduce.ZipInputFormat.java

private static byte[] read(String entry, ZipInputStream zis, int numBytes) {
    byte[] data = new byte[numBytes];
    int n = 0;// w  w  w  .  j  av  a2s . c  o  m
    try {
        while (zis.available() == 1 && (n < numBytes)) {
            data[n] = (byte) zis.read();
            ++n;
        }
    } catch (IOException e) {
        LOG.error("failure reading zip entry(" + entry + ")");
        e.printStackTrace();
        return null;
    }
    LOG.info("Read bytes(" + n + ") from entry (" + entry + ")");
    LOG.debug("Read value(" + Bytes.toString(data) + ") from entry (" + entry + ")");

    return data;
}

From source file:edu.clemson.cs.nestbed.common.util.ZipUtils.java

public static File unzip(byte[] zipData, File directory) throws IOException {
    ByteArrayInputStream bais = new ByteArrayInputStream(zipData);
    ZipInputStream zis = new ZipInputStream(bais);
    ZipEntry entry = zis.getNextEntry();
    File root = null;//from  w  w w .  j  a  v  a2  s  .c  o  m

    while (entry != null) {
        if (entry.isDirectory()) {
            File f = new File(directory, entry.getName());
            f.mkdir();

            if (root == null) {
                root = f;
            }
        } else {
            BufferedOutputStream out;
            out = new BufferedOutputStream(new FileOutputStream(new File(directory, entry.toString())),
                    BUFFER_SIZE);

            // ZipInputStream can only give us one byte at a time...
            for (int data = zis.read(); data != -1; data = zis.read()) {
                out.write(data);
            }
            out.close();
        }

        zis.closeEntry();
        entry = zis.getNextEntry();
    }
    zis.close();

    return root;
}

From source file:org.openremote.modeler.utils.ZipUtils.java

/**
 * Unzip a zip./* ww  w .ja  va 2  s. c  om*/
 * 
 * @param inputStream the input stream
 * @param targetDir the target dir
 * 
 * @return true, if success
 */
public static boolean unzip(InputStream inputStream, String targetDir) {
    ZipInputStream zipInputStream = new ZipInputStream(inputStream);
    ZipEntry zipEntry;
    FileOutputStream fileOutputStream = null;
    try {
        while ((zipEntry = zipInputStream.getNextEntry()) != null) {
            if (!zipEntry.isDirectory()) {
                targetDir = targetDir.endsWith("/") || targetDir.endsWith("\\") ? targetDir : targetDir + "/";
                File zippedFile = new File(targetDir + zipEntry.getName());
                FileUtilsExt.deleteQuietly(zippedFile);
                fileOutputStream = new FileOutputStream(zippedFile);
                int b;
                while ((b = zipInputStream.read()) != -1) {
                    fileOutputStream.write(b);
                }
                fileOutputStream.close();
            }
        }
    } catch (IOException e) {
        LOGGER.error("Can't unzip to " + targetDir, e);
        return false;
    } finally {
        try {
            zipInputStream.closeEntry();
            if (fileOutputStream != null) {
                fileOutputStream.close();
            }
        } catch (IOException e) {
            LOGGER.error("Error while closing stream.", e);
        }

    }
    return true;
}

From source file:functionalTests.vfsprovider.TestProActiveProvider.java

public static void extractZip(final ZipInputStream zipStream, final File dstFile) throws IOException {
    ZipEntry zipEntry;//ww w  . ja  v  a2  s .co m
    while ((zipEntry = zipStream.getNextEntry()) != null) {
        final File dstSubFile = new File(dstFile, zipEntry.getName());

        if (zipEntry.isDirectory()) {
            dstSubFile.mkdirs();
            if (!dstSubFile.exists() || !dstSubFile.isDirectory())
                throw new IOException("Could not create directory: " + dstSubFile);
        } else {
            final OutputStream os = new BufferedOutputStream(new FileOutputStream(dstSubFile));
            try {
                int data;
                while ((data = zipStream.read()) != -1)
                    os.write(data);
            } finally {
                os.close();
            }
        }
    }
}

From source file:org.openremote.controller.utils.ZipUtil.java

/**
 * Unzip a zip.//from   ww  w. j  a v  a  2 s  .  c o  m
 * 
 * @param inputStream the input stream
 * @param targetDir the target dir
 * 
 * @return true, if success
 */
public static boolean unzip(InputStream inputStream, String targetDir) {
    if (targetDir == null || "".equals(targetDir)) {
        throw new ExtractZipFileException("The resources path is null.");
    }
    File checkedTargetDir = new File(targetDir);
    if (!checkedTargetDir.exists()) {
        throw new ExtractZipFileException("The path " + targetDir + " doesn't exist.");
    }

    ZipInputStream zipInputStream = new ZipInputStream(inputStream);
    ZipEntry zipEntry;
    FileOutputStream fileOutputStream = null;
    File zippedFile = null;
    try {
        while ((zipEntry = zipInputStream.getNextEntry()) != null) {
            if (!zipEntry.isDirectory()) {
                targetDir = targetDir.endsWith("/") || targetDir.endsWith("\\") ? targetDir : targetDir + "/";
                zippedFile = new File(targetDir, zipEntry.getName());
                FileUtils.deleteQuietly(zippedFile);
                FileUtils.touch(zippedFile);
                fileOutputStream = new FileOutputStream(zippedFile);
                int b;
                while ((b = zipInputStream.read()) != -1) {
                    fileOutputStream.write(b);
                }
                fileOutputStream.close();
            }
        }
    } catch (IOException e) {
        logger.error("Can't unzip file to " + zippedFile.getPath(), e);
        return false;
    } finally {
        try {
            zipInputStream.closeEntry();
            if (fileOutputStream != null) {
                fileOutputStream.close();
            }
        } catch (IOException e) {
            logger.error("Error while closing stream.", e);
        }

    }
    return true;
}

From source file:Main.java

/**
 * kudos: http://www.jondev.net/articles/Unzipping_Files_with_Android_(Programmatically)
 * @param zipFile//from  w  ww . ja va2s .c o m
 * @param destinationDirectory
 */
public static void unZip(String zipFile, String destinationDirectory) {
    try {
        FileInputStream fin = new FileInputStream(zipFile);
        ZipInputStream zin = new ZipInputStream(fin);
        ZipEntry ze = null;
        while ((ze = zin.getNextEntry()) != null) {
            Log.v("Decompress", "Unzipping " + ze.getName());
            String destinationPath = destinationDirectory + File.separator + ze.getName();
            if (ze.isDirectory()) {
                dirChecker(destinationPath);
            } else {
                FileOutputStream fout;
                try {
                    File outputFile = new File(destinationPath);
                    if (!outputFile.getParentFile().exists()) {
                        dirChecker(outputFile.getParentFile().getPath());
                    }
                    fout = new FileOutputStream(destinationPath);
                    for (int c = zin.read(); c != -1; c = zin.read()) {
                        fout.write(c);
                    }
                    zin.closeEntry();
                    fout.close();
                } catch (Exception e) {
                    // ok for now.
                    Log.v("Decompress", "Error: " + e.getMessage());
                }
            }
        }
        zin.close();
    } catch (Exception e) {
        Log.e("Decompress", "unzip", e);
    }
}

From source file:org.lastmilehealth.collect.android.utilities.ZipUtils.java

/**private static void addFile(File fileObj, ZipOutputStream out) throws IOException {
//Log.d("~",  "Add file: "+fileObj.getName());
out.putNextEntry(new ZipEntry(fileObj.getName()));
out.closeEntry();/*from   w w  w . java 2 s. c  om*/
}*/

public static void unzip(String zipFile, String targetLocation) throws Exception {
    //delete target location to clear previously unzipped data
    try {
        org.apache.commons.io.FileUtils.deleteDirectory(new File(targetLocation));
    } catch (Exception e) {
    }
    createDirIfNotExist(targetLocation);

    FileInputStream fin = new FileInputStream(zipFile);
    ZipInputStream zin = new ZipInputStream(fin);
    ZipEntry ze = null;
    while ((ze = zin.getNextEntry()) != null) {
        //create dir if required while unzipping
        if (ze.isDirectory()) {
            createDirIfNotExist(ze.getName());
        } else {
            String path = targetLocation + "/" + ze.getName();
            Log.d(TAG, "unzipping: " + path);

            if (path.contains("/")) {
                org.apache.commons.io.FileUtils.forceMkdir(new File(path.substring(0, path.lastIndexOf("/"))));
            }

            FileOutputStream fout = new FileOutputStream(path);
            for (int c = zin.read(); c != -1; c = zin.read()) {
                fout.write(c);
            }
            zin.closeEntry();
            fout.close();
        }
    }
    zin.close();
}