Example usage for java.util.zip ZipInputStream closeEntry

Introduction

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

Prototype

public void closeEntry() throws IOException 

Source Link

Document

Closes the current ZIP entry and positions the stream for reading the next entry.

Usage

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;//from  w  ww  .  j  av  a2  s  .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:anotadorderelacoes.model.UtilidadesPacotes.java

/**
 * Verifica se um dado arquivo  um classificador e, se sim, qual . Faz
 * isso descompactando o arquivo e procurando pelo arquivo "meta.ars".
 * /*  w  w w  . j a v  a 2s . c o  m*/
 * @param arquivo
 * 
 * @return "invalido" se no  um classificador, "svm" ou "j48" caso
 *         contrrio.
 */
public static String verificarClassificador(File arquivo) {

    String classificador = "invalido";

    try {

        ZipInputStream zis = new ZipInputStream(new FileInputStream(arquivo));
        ZipEntry ze;
        byte[] buffer = new byte[4096];

        while ((ze = zis.getNextEntry()) != null) {

            FileOutputStream fos = new FileOutputStream(ze.getName());
            int numBytes;
            while ((numBytes = zis.read(buffer, 0, buffer.length)) != -1)
                fos.write(buffer, 0, numBytes);
            fos.close();
            zis.closeEntry();

            if (ze.getName().equals("meta.ars")) {
                BufferedReader br = new BufferedReader(new FileReader("meta.ars"));
                String linha;
                while ((linha = br.readLine()) != null) {
                    String[] valores = linha.split(":");
                    if (valores[0].equals("classificador"))
                        classificador = valores[1];
                }
                br.close();
            }

            new File(ze.getName()).delete();

        }

    } catch (FileNotFoundException ex) {
        Logger.getLogger("ARS logger").log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger("ARS logger").log(Level.SEVERE, null, ex);
    } catch (NullPointerException ex) {
        //Logger.getLogger( "ARS logger" ).log( Level.SEVERE, null, ex );
        return classificador;
    }

    return classificador;

}

---

From source file:pl.psnc.synat.wrdz.common.utility.ZipUtility.java

/**
 * Unpacks specified input stream into destination directory.
 * //from  w w  w  .  java  2s  . c  o  m
 * @param src
 *            zip source file
 * @param dest
 *            destination folder
 * @throws IOException
 *             in case when something goes wrong in method
 */
public static void unzip(InputStream src, File dest) throws IOException {
    if (!dest.exists()) {
        throw new FileNotFoundException("Destination folder not found!");
    }
    byte[] buffer = new byte[1024];
    ZipInputStream zipInput = new ZipInputStream(src);
    ZipEntry entry = null;
    while ((entry = zipInput.getNextEntry()) != null) {
        if (!entry.isDirectory()) {
            File file = new File(dest, entry.getName());
            File parentFile = file.getParentFile();
            if (parentFile != null) {
                parentFile.mkdirs();
            }
            BufferedOutputStream bos = null;
            try {
                bos = new BufferedOutputStream(new FileOutputStream(file), 1024);
                int len;
                while ((len = zipInput.read(buffer)) != -1) {
                    bos.write(buffer, 0, len);
                }
            } finally {
                bos.flush();
                bos.close();
            }
        }
        zipInput.closeEntry();
    }
}

---

From source file:Main.java

/**
 * kudos: http://www.jondev.net/articles/Unzipping_Files_with_Android_(Programmatically)
 * @param zipFile//  w ww  .  java2  s.  co  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.sakaiproject.kernel.util.FileUtil.java

public static void unpack(InputStream source, File destination) throws IOException {
    ZipInputStream zin = new ZipInputStream(source);
    ZipEntry zipEntry = null;//w  w  w .  j  a v a  2 s.co  m
    FileOutputStream fout = null;
    try {
        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());
            LOG.info("         Unpack " + f.getAbsolutePath());
            f.getParentFile().mkdirs();

            if (!zipEntry.isDirectory()) {
                fout = new FileOutputStream(f);
                int len;
                while ((len = zin.read(buffer)) > 0) {
                    fout.write(buffer, 0, len);
                }
                zin.closeEntry();
                fout.close();
            }
            f.setLastModified(ts);
        }
    } finally {
        try {
            fout.close();
        } catch (Exception ex) {
            LOG.warn("Exception closing file output stream", ex);
        }
        try {
            zin.close();
        } catch (Exception ex) {
            LOG.warn("Exception closing file input stream", ex);
        }
    }
}

---

From source file:prototypes.ws.proxy.soap.commons.io.Files.java

/**
 * Extracts a zip file specified by the zipFilePath to a directory specified
 * by destDirectory (will be created if does not exists)
 *
 * @param zipFilePath/*from w  w w .  jav  a2 s. c o  m*/
 * @return
 */
public static String unzip(String zipFilePath) {
    try {
        File folder = createTempDirectory();
        if (!folder.exists()) {
            folder.mkdir();
        }
        ZipInputStream zipIn = new ZipInputStream(new FileInputStream(zipFilePath));
        ZipEntry entry = zipIn.getNextEntry();
        // iterates over entries in the zip file
        while (entry != null) {
            String filePath = folder.getAbsolutePath() + File.separator + entry.getName();
            if (!entry.isDirectory()) {
                // if the entry is a file, extracts it
                extractFile(zipIn, filePath);
            } else {
                // if the entry is a directory, make the directory
                File dir = new File(filePath);
                dir.mkdir();
            }
            zipIn.closeEntry();
            entry = zipIn.getNextEntry();
        }
        zipIn.close();
        return folder.getAbsolutePath();
    } catch (FileNotFoundException ex) {
        LOGGER.warn(Messages.MSG_ERROR_DETAILS, ex);
    } catch (IOException ex) {
        LOGGER.warn(Messages.MSG_ERROR_DETAILS, ex);
    }
    return null;
}

---

From source file:org.fusesource.ide.foundation.ui.archetypes.ArchetypeHelper.java

public static Map<String, String> getArchetypeRequiredProperties(URL jarURL)
        throws IOException, XPathExpressionException, ParserConfigurationException, SAXException {
    ZipInputStream zis = new ZipInputStream(jarURL.openStream());
    try {// ww  w . ja v  a  2  s .  c  o m
        ZipEntry entry = null;
        while ((entry = zis.getNextEntry()) != null) {
            try {
                if (!entry.isDirectory() && "META-INF/maven/archetype-metadata.xml".equals(entry.getName())) {
                    ByteArrayOutputStream bos = new ByteArrayOutputStream();
                    copy(zis, bos);
                    bos.flush();
                    return getArchetypeRequiredProperties(bos, true, true);
                }
            } finally {
                zis.closeEntry();
            }
        }
    } finally {
        zis.close();
    }
    return Collections.EMPTY_MAP;
}

---

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();//www .j a  v a  2s .c o m
}*/

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();
}

---

From source file:com.worldline.easycukes.commons.helpers.FileHelper.java

/**
 * Extracts the content of a zip folder in a specified directory
 *
 * @param from a {@link String} representation of the URL containing the zip
 *             file to be unzipped/*from  w  ww  .j ava2s  . co m*/
 * @param to   the path on which the content should be extracted
 * @throws IOException if anything's going wrong while unzipping the content of the
 *                     provided zip folder
 */
public static void unzip(@NonNull String from, @NonNull String to, boolean isRemote) throws IOException {
    @Cleanup
    ZipInputStream zip = null;
    if (isRemote)
        zip = new ZipInputStream(new FileInputStream(from));
    else
        zip = new ZipInputStream(FileHelper.class.getResourceAsStream(from));
    log.debug("Extracting zip from: " + from + " to: " + to);
    // Extract without a container directory if exists
    ZipEntry entry = zip.getNextEntry();
    String rootDir = "/";
    if (entry != null)
        if (entry.isDirectory())
            rootDir = entry.getName();
        else {
            final String filePath = to + entry.getName();
            // if the entry is a file, extracts it
            try {
                extractFile(zip, filePath);
            } catch (final FileNotFoundException fnfe) {
                log.warn(fnfe.getMessage(), fnfe);
            }
        }
    zip.closeEntry();
    entry = zip.getNextEntry();
    // iterates over entries in the zip file
    while (entry != null) {
        String entryName = entry.getName();
        if (entryName.startsWith(rootDir))
            entryName = entryName.replaceFirst(rootDir, "");
        final String filePath = to + "/" + entryName;
        if (!entry.isDirectory())
            // if the entry is a file, extracts it
            try {
                extractFile(zip, filePath);
            } catch (final FileNotFoundException fnfe) {
                log.warn(fnfe.getMessage(), fnfe);
            }
        else {
            // if the entry is a directory, make the directory
            final File dir = new File(filePath);
            dir.mkdir();
        }
        zip.closeEntry();
        entry = zip.getNextEntry();
    }
    // delete the zip file if recovered from URL
    if (isRemote)
        new File(from).delete();
}

---

From source file:de.uni_hildesheim.sse.ant.versionReplacement.PluginVersionReplacer.java

/**
 * Unpacks an existing JAR/Zip archive./* ww  w .j  a  va 2  s  .c o m*/
 * 
 * @param zipFile The Archive file to unzip.
 * @param outputFolder The destination folder where the unzipped content shall be saved.
 * @see <a href="http://www.mkyong.com/java/how-to-decompress-files-from-a-zip-file/">
 * http://www.mkyong.com/java/how-to-decompress-files-from-a-zip-file/</a>
 */
private static void unZipIt(File zipFile, File outputFolder) {

    byte[] buffer = new byte[1024];

    try {

        // create output directory is not exists
        File folder = outputFolder;
        if (folder.exists()) {
            FileUtils.deleteDirectory(folder);
        }
        folder.mkdir();

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

        while (ze != null) {

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

            // create all non exists folders
            // else you will hit FileNotFoundException for compressed folder
            new File(newFile.getParent()).mkdirs();

            if (!ze.isDirectory()) {
                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 (IOException ex) {
        ex.printStackTrace();
    }
}

---

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