Example usage for java.util.zip ZipInputStream read

Introduction

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

public static void unZip(InputStream zipFileIS, String outputFolder) throws IOException {

    byte[] buffer = new byte[1024];

    //create output directory is not exists
    File folder = new File(outputFolder);
    if (!folder.exists()) {
        folder.mkdir();/* ww w .j  av  a  2s.  c o  m*/
    }

    //get the zip file content
    ZipInputStream zis = new ZipInputStream(zipFileIS);
    //get the zipped file list entry
    ZipEntry ze = zis.getNextEntry();

    while (ze != null) {

        String fileName = ze.getName();
        File newFile = new File(outputFolder + File.separator + fileName);

        if (ze.isDirectory()) {
            newFile.mkdirs();
        } else {

            FileOutputStream fos = new FileOutputStream(newFile);

            int len;
            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }

            fos.flush();
            fos.close();
        }
        ze = zis.getNextEntry();
    }

    zis.closeEntry();
    zis.close();
}

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From source file:Main.java

private static void loadICUData(Context context, File destDir) throws IOException {
    OutputStream out = null;//  ww w. j  a v  a 2 s.c  o m
    ZipInputStream in = null;
    File icuDir = new File(destDir, "icu");
    File icuDataFile = new File(icuDir, "icudt53l.dat");
    try {
        if (!icuDir.exists())
            icuDir.mkdirs();
        if (!icuDataFile.exists()) {
            in = new ZipInputStream(context.getAssets().open("icudt53l.zip"));
            in.getNextEntry();
            out = new FileOutputStream(icuDataFile);
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        }
    } catch (IOException e) {
        if (icuDataFile.exists())
            icuDataFile.delete();
        throw e;
    } finally {
        if (in != null)
            in.close();
        if (out != null) {
            out.flush();
            out.close();
        }
    }
}

---

From source file:nl.surfsara.warcexamples.hadoop.ldps.LDPRMapper.java

public static void unZip(InputStream zippedIS, File outputFolder) throws IOException {
    byte[] buffer = new byte[1024];

    ZipInputStream zis = new ZipInputStream(zippedIS);
    ZipEntry ze = zis.getNextEntry();

    while (ze != null) {
        String fileName = ze.getName();
        File newFile = new File(outputFolder + File.separator + fileName);
        new File(newFile.getParent()).mkdirs();
        FileOutputStream fos = new FileOutputStream(newFile);
        int len;//from   w w  w.j  av  a  2s.c  om
        while ((len = zis.read(buffer)) > 0) {
            fos.write(buffer, 0, len);
        }
        fos.close();
        ze = zis.getNextEntry();
    }

    zis.closeEntry();
    zis.close();
}

---

From source file:Utils.java

/**
 * unpack a segment from a zip/*from  w ww.j a v  a 2  s .com*/
 * 
 * @param addsi
 * @param packetStream
 * @param version
 */
public static void unpack(InputStream source, File destination) throws IOException {
    ZipInputStream zin = new ZipInputStream(source);
    ZipEntry zipEntry = null;
    FileOutputStream fout = null;

    byte[] buffer = new byte[4096];
    while ((zipEntry = zin.getNextEntry()) != null) {

        long ts = zipEntry.getTime();
        // the zip entry needs to be a full path from the
        // searchIndexDirectory... hence this is correct

        File f = new File(destination, zipEntry.getName());

        f.getParentFile().mkdirs();

        fout = new FileOutputStream(f);
        int len;
        while ((len = zin.read(buffer)) > 0) {
            fout.write(buffer, 0, len);
        }
        zin.closeEntry();
        fout.close();
        f.setLastModified(ts);
    }
    fout.close();
}

---

From source file:org.openecomp.sdc.ZipUtil.java

private static Map<String, byte[]> readZip(byte[] zipAsBytes) {

    Map<String, byte[]> fileNameToByteArray = new HashMap<String, byte[]>();

    byte[] buffer = new byte[1024];
    ZipInputStream zis = null;
    try {//  w  ww  .  j a  v  a2 s. co m

        zis = new ZipInputStream(new ByteArrayInputStream(zipAsBytes));
        // get the zipped file list entry
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {

            String fileName = ze.getName();

            if (false == ze.isDirectory()) {

                ByteArrayOutputStream os = new ByteArrayOutputStream();
                try {
                    int len;
                    while ((len = zis.read(buffer)) > 0) {
                        os.write(buffer, 0, len);
                    }

                    // aClass.outputStreamMethod(os);
                    String aString = new String(os.toByteArray(), "UTF-8");

                    fileNameToByteArray.put(fileName, os.toByteArray());

                } finally {
                    if (os != null) {
                        os.close();
                    }
                }
            }
            ze = zis.getNextEntry();

        }

        zis.closeEntry();
        zis.close();

    } catch (IOException ex) {
        ex.printStackTrace();
        return null;
    } finally {
        if (zis != null) {
            try {
                zis.closeEntry();
                zis.close();
            } catch (IOException e) {
                // TODO: add log
            }

        }
    }

    return fileNameToByteArray;

}

---

From source file:org.zaproxy.libs.DownloadTools.java

public static void downloadDriver(String urlStr, String destDir, String destFile) {
    File dest = new File(destDir + destFile);
    if (dest.exists()) {
        System.out.println("Already exists: " + dest.getAbsolutePath());
        return;/* w  w  w. ja  v a2s .  co  m*/
    }
    File parent = dest.getParentFile();
    if (!parent.exists() && !parent.mkdirs()) {
        System.out.println("Failed to create directory : " + dest.getParentFile().getAbsolutePath());
    }
    byte[] buffer = new byte[1024];
    if (urlStr.endsWith(".zip")) {
        try {
            URL url = new URL(urlStr);
            ZipInputStream zipIn = new ZipInputStream(url.openStream());
            ZipEntry entry;

            boolean isFound = false;
            while ((entry = zipIn.getNextEntry()) != null) {
                if (destFile.equals(entry.getName())) {
                    isFound = true;
                    FileOutputStream out = new FileOutputStream(dest);
                    int read = 0;
                    while ((read = zipIn.read(buffer)) != -1) {
                        out.write(buffer, 0, read);
                    }
                    out.close();
                    System.out.println("Updated: " + dest.getAbsolutePath());

                } else {
                    System.out.println("Found " + entry.getName());
                }
                zipIn.closeEntry();
                entry = zipIn.getNextEntry();
            }

            zipIn.close();

            if (!isFound) {
                System.out.println("Failed to find " + destFile);
                System.exit(1);
            }

        } catch (IOException ex) {
            ex.printStackTrace();
            System.exit(1);
        }
    } else if (urlStr.endsWith(".tar.gz")) {
        try {
            URL url = new URL(urlStr);
            GZIPInputStream gzis = new GZIPInputStream(url.openStream());

            File tarFile = new File(dest.getAbsolutePath() + ".tar");
            FileOutputStream out = new FileOutputStream(tarFile);

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

            gzis.close();
            out.close();

            TarArchiveInputStream tar = new TarArchiveInputStream(new FileInputStream(tarFile));
            ArchiveEntry entry;
            boolean isFound = false;
            while ((entry = tar.getNextEntry()) != null) {
                if (destFile.equals(entry.getName())) {
                    out = new FileOutputStream(dest);
                    isFound = true;

                    int read = 0;
                    while ((read = tar.read(buffer)) != -1) {
                        out.write(buffer, 0, read);
                    }
                    out.close();
                    System.out.println("Updated: " + dest.getAbsolutePath());
                }
            }
            tar.close();
            tarFile.delete();
            if (!isFound) {
                System.out.println("Failed to find " + destFile);
                System.exit(1);
            }

        } catch (IOException ex) {
            ex.printStackTrace();
            System.exit(1);
        }
    }
}

---

From source file:Main.java

public static void unZip(String zipFile, String outputFolder) {
    byte[] buffer = new byte[BUFFER_SIZE];

    try {/* w ww . j a  v a  2  s .  co  m*/
        File folder = new File(outputFolder);
        if (!folder.exists()) {
            folder.mkdir();
        }

        ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFile));
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {
            String fileName = ze.getName();
            File newFile = new File(outputFolder + File.separator + fileName);

            System.out.println("file unzip : " + newFile.getAbsoluteFile());
            if (ze.isDirectory()) {
                newFile.mkdirs();
            } else {
                FileOutputStream fos = new FileOutputStream(newFile);
                int len;
                while ((len = zis.read(buffer)) > 0) {
                    fos.write(buffer, 0, len);
                }
                fos.close();
            }
            ze = zis.getNextEntry();
        }
        zis.closeEntry();
        zis.close();
        System.out.println("Done");
    } catch (IOException ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.microsoft.intellij.AzurePlugin.java

private static void extractFile(ZipInputStream zipIn, String filePath) throws IOException {
    BufferedOutputStream bos = new BufferedOutputStream(new java.io.FileOutputStream(filePath));
    byte[] bytesIn = new byte[1024 * 10];
    int read = 0;
    while ((read = zipIn.read(bytesIn)) != -1) {
        bos.write(bytesIn, 0, read);/*from w  w  w  .  j ava2 s  .c o m*/
    }
    bos.close();
}

---

From source file:localization.split.java

public static Vector<String> readzipfile(String filepath) {
    Vector<String> v = new Vector<String>();
    byte[] buffer = new byte[1024];
    String outputFolder = filepath.substring(0, filepath.lastIndexOf("."));
    System.out.println(outputFolder);
    try {//from w w w .j a  v a2s. c  o  m
        File folder = new File(outputFolder);
        if (!folder.exists()) {
            folder.mkdir();
        }
        ZipInputStream zis = new ZipInputStream(new FileInputStream(filepath));
        ZipEntry ze = zis.getNextEntry();
        while (ze != null) {
            String fileName = ze.getName();
            File newFile = new File(outputFolder + "\\" + fileName);
            v.addElement(newFile.getAbsolutePath());
            FileOutputStream fos = new FileOutputStream(newFile);
            int len;
            while ((len = zis.read(buffer)) > 0) {
                fos.write(buffer, 0, len);
            }
            fos.close();
            ze = zis.getNextEntry();
        }
        zis.closeEntry();
        zis.close();
    } catch (Exception e) {

    }
    return v;
}

---

From source file:org.openecomp.sdc.common.util.ZipUtil.java

public static Map<String, byte[]> readZip(ZipInputStream zis) {

    Map<String, byte[]> fileNameToByteArray = new HashMap<String, byte[]>();

    byte[] buffer = new byte[1024];
    try {/*  ww w . java  2s  .co  m*/
        // get the zipped file list entry
        ZipEntry ze = zis.getNextEntry();

        while (ze != null) {

            String fileName = ze.getName();

            if (false == ze.isDirectory()) {

                ByteArrayOutputStream os = new ByteArrayOutputStream();
                try {
                    int len;
                    while ((len = zis.read(buffer)) > 0) {
                        os.write(buffer, 0, len);
                    }

                    fileNameToByteArray.put(fileName, os.toByteArray());

                } finally {
                    if (os != null) {
                        os.close();
                    }
                }
            }
            ze = zis.getNextEntry();

        }

        zis.closeEntry();
        zis.close();

    } catch (IOException ex) {
        ex.printStackTrace();
        return null;
    } finally {
        if (zis != null) {
            try {
                zis.closeEntry();
                zis.close();
            } catch (IOException e) {
                // TODO: add log
            }

        }
    }

    return fileNameToByteArray;

}

---

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