Example usage for java.util.zip ZipFile entries

Introduction

In this page you can find the example usage for java.util.zip ZipFile entries.

Prototype

public Enumeration<? extends ZipEntry> entries()

Source Link

Document

Returns an enumeration of the ZIP file entries.

Usage

From source file:Main.java

public static String getChannel(Context context) {
    ApplicationInfo appinfo = context.getApplicationInfo();
    String sourceDir = appinfo.sourceDir;
    ZipFile zipfile = null;
    String ret = null;/*from  w w  w  .  j a  v a2s  . com*/
    try {
        zipfile = new ZipFile(sourceDir);
        Enumeration<?> entries = zipfile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            String entryName = entry.getName();
            if (entryName.startsWith(FOLDER_NAME) && entryName.contains(CHANNEL_SCHEME)) {
                ret = entryName;
                break;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipfile != null) {
            try {
                zipfile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    try {
        if (ret != null) {
            String[] split = ret.split(CHANNEL_SCHEME_SPIT);
            if (split.length >= 2) {
                return ret.substring(split[0].length() + 1);
            }
        }
    } catch (Exception e) {

    }

    return null;
}

From source file:de.shadowhunt.subversion.internal.AbstractPrepare.java

private static boolean extractArchive(final File zip, final File prefix) throws Exception {
    final ZipFile zipFile = new ZipFile(zip);
    final Enumeration<? extends ZipEntry> enu = zipFile.entries();
    while (enu.hasMoreElements()) {
        final ZipEntry zipEntry = enu.nextElement();

        final String name = zipEntry.getName();

        final File file = new File(prefix, name);
        if (name.charAt(name.length() - 1) == Resource.SEPARATOR_CHAR) {
            if (!file.isDirectory() && !file.mkdirs()) {
                throw new IOException("can not create directory structure: " + file);
            }//from  w  ww .  j  av a 2 s .c  om
            continue;
        }

        final File parent = file.getParentFile();
        if (parent != null) {
            if (!parent.isDirectory() && !parent.mkdirs()) {
                throw new IOException("can not create directory structure: " + parent);
            }
        }

        final InputStream is = zipFile.getInputStream(zipEntry);
        final FileOutputStream fos = new FileOutputStream(file);
        final byte[] bytes = new byte[1024];
        int length;
        while ((length = is.read(bytes)) >= 0) {
            fos.write(bytes, 0, length);
        }
        is.close();
        fos.close();

    }
    zipFile.close();
    return true;
}

From source file:Zip.java

/**
 * Create a InputStream on a given file, by looking for a zip archive whose
 * path is the file path with ".zip" appended, and by reading the first
 * entry in this zip file./*from  w ww  .j  a v a  2s.  c  om*/
 *
 * @param file the file (with no zip extension)
 *
 * @return a InputStream on the zip entry
 */
public static InputStream createInputStream(File file) {
    try {
        String path = file.getCanonicalPath();

        //ZipFile zf = new ZipFile(path + ".zip");
        ZipFile zf = new ZipFile(path);

        for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) entries.nextElement();

            return zf.getInputStream(entry);
        }
    } catch (FileNotFoundException ex) {
        System.err.println(ex.toString());
        System.err.println(file + " not found");
    } catch (IOException ex) {
        System.err.println(ex.toString());
    }

    return null;
}

From source file:net.sourceforge.atunes.utils.ZipUtils.java

/**
 * Unzips a file in a directory/*from w w  w  .  j a v a2  s  . co m*/
 * 
 * @param archive
 * @param outputDir
 * @throws IOException
 */
public static void unzipArchive(File archive, File outputDir) throws IOException {
    ZipFile zipfile = null;
    try {
        zipfile = new ZipFile(archive);
        for (Enumeration<? extends ZipEntry> e = zipfile.entries(); e.hasMoreElements();) {
            ZipEntry entry = e.nextElement();
            unzipEntry(zipfile, entry, outputDir);
        }
    } finally {
        ClosingUtils.close(zipfile);
    }
}

From source file:gov.va.oia.terminology.converters.sharedUtils.Unzip.java

public final static void unzip(File zipFile, File rootDir) throws IOException {
    ZipFile zip = new ZipFile(zipFile);
    @SuppressWarnings("unchecked")
    Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        java.io.File f = new java.io.File(rootDir, entry.getName());
        if (entry.isDirectory()) {
            f.mkdirs();/*from   w  w  w.  jav  a  2 s  .  com*/
            continue;
        } else {
            f.createNewFile();
        }
        InputStream is = null;
        OutputStream os = null;
        try {
            is = zip.getInputStream(entry);
            os = new FileOutputStream(f);
            IOUtils.copy(is, os);
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (Exception e) {
                    // noop
                }
            }
            if (os != null) {
                try {
                    os.close();
                } catch (Exception e) {
                    // noop
                }
            }
        }
    }
    zip.close();
}

From source file:Zip.java

/**
 * Create a Reader on a given file, by looking for a zip archive whose path
 * is the file path with ".zip" appended, and by reading the first entry in
 * this zip file./*ww w .  j av a  2  s .c  o  m*/
 *
 * @param file the file (with no zip extension)
 *
 * @return a reader on the zip entry
 */
public static Reader createReader(File file) {
    try {
        String path = file.getCanonicalPath();

        ZipFile zf = new ZipFile(path + ".zip");

        for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            InputStream is = zf.getInputStream(entry);

            return new InputStreamReader(is);
        }
    } catch (FileNotFoundException ex) {
        System.err.println(ex.toString());
        System.err.println(file + " not found");
    } catch (IOException ex) {
        System.err.println(ex.toString());
    }

    return null;
}

From source file:com.predic8.membrane.examples.DistributionExtractingTestcase.java

public static final void unzip(File zip, File target) throws IOException {
    ZipFile zipFile = new ZipFile(zip);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        if (entry.isDirectory()) {
            // Assume directories are stored parents first then children.
            // This is not robust, just for demonstration purposes.
            new File(target, entry.getName()).mkdir();
        } else {/*from  ww w .  ja va2 s. co  m*/
            FileOutputStream fos = new FileOutputStream(new File(target, entry.getName()));
            try {
                copyInputStream(zipFile.getInputStream(entry), new BufferedOutputStream(fos));
            } finally {
                fos.close();
            }
        }
    }
    zipFile.close();
}

From source file:com.netflix.nicobar.core.utils.__JDKPaths.java

static void processJar(final Set<String> pathSet, final File file) throws IOException {
    final ZipFile zipFile = new ZipFile(file);
    try {//from ww  w.  j a  v a2s  . c o  m
        final Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            final ZipEntry entry = entries.nextElement();
            final String name = entry.getName();
            final int lastSlash = name.lastIndexOf('/');
            if (lastSlash != -1) {
                pathSet.add(name.substring(0, lastSlash));
            }
        }
        zipFile.close();
    } finally {
        IOUtils.closeQuietly(zipFile);
    }
}

From source file:eurecom.constrained.devices.ReadZipFile.java

public static void unzip(final ZipFile zipfile, final File directory) throws IOException {

    final Enumeration<? extends ZipEntry> entries = zipfile.entries();
    while (entries.hasMoreElements()) {
        final ZipEntry entry = entries.nextElement();
        final File file = file(directory, entry);
        if (entry.isDirectory()) {
            continue;
        }//  w w w.  j ava 2 s  .  c  om
        final InputStream input = zipfile.getInputStream(entry);
        try {
            // copy bytes from input to file
        } finally {
            input.close();
        }
    }
}

From source file:Main.java

private static String getChannelFromApk(Context context, String channelKey) {
    ApplicationInfo appinfo = context.getApplicationInfo();
    String sourceDir = appinfo.sourceDir;
    String key = "META-INF/" + channelKey;
    String ret = "";
    ZipFile zipfile = null;
    try {// w ww.  j  ava  2 s  .co  m
        zipfile = new ZipFile(sourceDir);
        Enumeration<?> entries = zipfile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            String entryName = entry.getName();
            if (entryName.startsWith(key)) {
                ret = entryName;
                break;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipfile != null) {
            try {
                zipfile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    String[] split = ret.split("_");
    String channel = "";
    if (split != null && split.length >= 2) {
        channel = ret.substring(split[0].length() + 1);
    }
    return channel;
}