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 void upZipFile(File zipFile, String folderPath) {
    ZipFile zf;
    try {/*from   w  ww . j ava 2  s  .c  om*/
        zf = new ZipFile(zipFile);
        for (Enumeration<?> entries = zf.entries(); entries.hasMoreElements();) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            if (entry.isDirectory()) {
                String dirstr = entry.getName();
                dirstr = new String(dirstr.getBytes("8859_1"), "GB2312");
                File f = new File(dirstr);
                f.mkdir();
                continue;
            }

            InputStream in = zf.getInputStream(entry);
            String str = folderPath + File.separator + entry.getName();
            str = new String(str.getBytes("8859_1"), "GB2312");
            File desFile = new File(str);
            if (!desFile.exists()) {
                File fileParentDir = desFile.getParentFile();
                if (!fileParentDir.exists()) {
                    fileParentDir.mkdirs();
                }
                desFile.createNewFile();
            }

            OutputStream out = new FileOutputStream(desFile);
            byte buffer[] = new byte[BUFF_SIZE];
            int realLength;
            while ((realLength = in.read(buffer)) > 0) {
                out.write(buffer, 0, realLength);
            }
            in.close();
            out.close();
        }
    } catch (ZipException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static String[] getXmlFiles(String path) {
    List<String> xmlFiles = new ArrayList<>();
    ZipFile zipFile = null;
    try {/*  w w w.j  ava2 s . c om*/
        zipFile = new ZipFile(path);
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            String name = entry.getName();
            if (name.endsWith(".xml") && !name.equals("AndroidManifest.xml")) {
                xmlFiles.add(name);
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException ignored) {
            }
        }
    }
    Collections.sort(xmlFiles);
    return xmlFiles.toArray(new String[xmlFiles.size()]);
}

---

From source file:Main.java

/**
 * Get channel from META-INF directory./*from  w  w w .j av a2s .co m*/
 *
 * @return the channel name if success,otherwise return "none"
 */
public static String getChannel(Context context) {
    ApplicationInfo appinfo = context.getApplicationInfo();
    String sourceDir = appinfo.sourceDir;
    String ret = "";
    ZipFile zipfile = null;
    try {
        zipfile = new ZipFile(sourceDir);
        Enumeration<?> entries = zipfile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            String entryName = entry.getName();
            if (entryName.startsWith("META-INF/channel")) {
                ret = entryName;
                break;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipfile != null) {
            try {
                zipfile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    String[] split = ret.split("_");
    if (split != null && split.length >= 2) {
        return ret.substring(split[0].length() + 1);

    } else {
        return "none";
    }
}

---

From source file:org.docx4j.template.utils.WmlZipUtils.java

public static void unzip(File sourceFile, File outputDir) throws ZipException, IOException {
    FileUtils.deleteDirectory(outputDir);
    ZipFile zipFile = new ZipFile(sourceFile);
    Enumeration<?> files = zipFile.entries();
    File f = null;//from w  ww.j  a  v a2 s . c  o  m
    FileOutputStream fos = null;
    while (files.hasMoreElements()) {
        try {
            ZipEntry entry = (ZipEntry) files.nextElement();
            InputStream eis = zipFile.getInputStream(entry);
            byte[] buffer = new byte[BUFFER];
            int bytesRead = 0;
            f = new File(outputDir.getAbsolutePath() + File.separator + entry.getName());
            if (entry.isDirectory()) {
                f.mkdirs();
                continue;
            } else {
                f.getParentFile().mkdirs();
                f.createNewFile();
            }
            fos = new FileOutputStream(f);
            while ((bytesRead = eis.read(buffer)) != -1) {
                fos.write(buffer, 0, bytesRead);
            }
        } finally {
            if (fos != null) {
                try {
                    fos.close();
                } catch (IOException e) {
                    // ignore
                }
            }
        }
    }
}

---

From source file:org.flowerplatform.core.CoreUtils.java

@SuppressWarnings("rawtypes")
public static void unzipArchive(File archive, File outputDir) throws IOException {
    ZipFile zipfile = new ZipFile(archive);
    for (Enumeration e = zipfile.entries(); e.hasMoreElements();) {
        ZipEntry entry = (ZipEntry) e.nextElement();
        unzipEntry(zipfile, entry, outputDir);
    }//  w  w w  .  ja va2 s  .  c o  m
    zipfile.close();
}

---

From source file:net.sourceforge.floggy.maven.ZipUtils.java

/**
 * DOCUMENT ME!// www . ja v a  2 s.c om
*
* @param file DOCUMENT ME!
* @param directory DOCUMENT ME!
*
* @throws IOException DOCUMENT ME!
*/
public static void unzip(File file, File directory) throws IOException {
    ZipFile zipFile = new ZipFile(file);
    Enumeration entries = zipFile.entries();

    if (!directory.exists() && !directory.mkdirs()) {
        throw new IOException("Unable to create the " + directory + " directory!");
    }

    while (entries.hasMoreElements()) {
        File temp;
        ZipEntry entry = (ZipEntry) entries.nextElement();

        if (entry.isDirectory()) {
            temp = new File(directory, entry.getName());

            if (!temp.exists() && !temp.mkdirs()) {
                throw new IOException("Unable to create the " + temp + " directory!");
            }
        } else {
            temp = new File(directory, entry.getName());
            IOUtils.copy(zipFile.getInputStream(entry), new FileOutputStream(temp));
        }
    }

    zipFile.close();
}

---

From source file:Main.java

public static String readChannelString(String path, String prefixString) {
    String ret = null;//  w  w w. ja v a 2s  .c om
    ZipFile zipfile = null;
    try {
        zipfile = new ZipFile(path);
        Enumeration<?> entries = zipfile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = ((ZipEntry) entries.nextElement());
            String entryName = entry.getName();
            if (debug) {
                System.out.println(entryName);
            }
            if (entryName.contains(prefixString)) {
                ret = entryName;

                break;
            }
        }

        if (ret != null) {
            String[] split = ret.split("_");
            if (split != null && split.length >= 2) {
                String substring = ret.substring(split[0].length() + 1);
                if (debug) {
                    System.out.println(String.format("find channel string:%s", substring));
                }
                return substring;

            }
        } else {
            if (debug) {
                System.out.println("not find channel");
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (zipfile != null) {
            try {
                zipfile.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    return ret;

}

---

From source file:org.apereo.portal.utils.ZipUtils.java

public static void extract(File archive, File outputDir) throws IOException {
    final ZipFile zipfile = new ZipFile(archive);
    for (final Enumeration<? extends ZipEntry> e = zipfile.entries(); e.hasMoreElements();) {
        final ZipEntry entry = e.nextElement();

        final File outputFile = checkDirectories(entry, outputDir);
        if (outputFile != null) {
            final InputStream is = zipfile.getInputStream(entry);
            try {
                writeFile(is, outputFile);
            } finally {
                is.close();/*from w  w  w  .  j  av  a 2  s . com*/
            }
        }
    }
}

---

From source file:Main.java

public static void unzip(URL _url, URL _dest, boolean _remove_top) {
    int BUFFER_SZ = 2048;
    File file = new File(_url.getPath());

    String dest = _dest.getPath();
    new File(dest).mkdir();

    try {//from  w ww. j av  a2  s .  co  m
        ZipFile zip = new ZipFile(file);
        Enumeration<? extends ZipEntry> zipFileEntries = zip.entries();

        // Process each entry
        while (zipFileEntries.hasMoreElements()) {
            // grab a zip file entry
            ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
            String currentEntry = entry.getName();

            if (_remove_top)
                currentEntry = currentEntry.substring(currentEntry.indexOf('/'), currentEntry.length());

            File destFile = new File(dest, currentEntry);
            //destFile = new File(newPath, destFile.getName());
            File destinationParent = destFile.getParentFile();

            // create the parent directory structure if needed
            destinationParent.mkdirs();

            if (!entry.isDirectory()) {
                BufferedInputStream is;
                is = new BufferedInputStream(zip.getInputStream(entry));
                int currentByte;
                // establish buffer for writing file
                byte data[] = new byte[BUFFER_SZ];

                // write the current file to disk
                FileOutputStream fos = new FileOutputStream(destFile);
                BufferedOutputStream dst = new BufferedOutputStream(fos, BUFFER_SZ);

                // read and write until last byte is encountered
                while ((currentByte = is.read(data, 0, BUFFER_SZ)) != -1) {
                    dst.write(data, 0, currentByte);
                }
                dst.flush();
                dst.close();
                is.close();
            }
            /*
            if (currentEntry.endsWith(".zip"))
            {
            // found a zip file, try to open
            extractFolder(destFile.getAbsolutePath());
            }*/
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

---

From source file:Main.java

public static void unzipEPub(String inputZip, String destinationDirectory) throws IOException {
    int BUFFER = 2048;
    List zipFiles = new ArrayList();
    File sourceZipFile = new File(inputZip);
    File unzipDestinationDirectory = new File(destinationDirectory);
    unzipDestinationDirectory.mkdir();//from w w w.  ja v  a 2  s  .c  o  m

    ZipFile zipFile;
    zipFile = new ZipFile(sourceZipFile, ZipFile.OPEN_READ);
    Enumeration zipFileEntries = zipFile.entries();

    // Process each entry
    while (zipFileEntries.hasMoreElements()) {

        ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
        String currentEntry = entry.getName();
        File destFile = new File(unzipDestinationDirectory, currentEntry);

        if (currentEntry.endsWith(".zip")) {
            zipFiles.add(destFile.getAbsolutePath());
        }

        File destinationParent = destFile.getParentFile();
        destinationParent.mkdirs();

        if (!entry.isDirectory()) {
            BufferedInputStream is = new BufferedInputStream(zipFile.getInputStream(entry));
            int currentByte;
            // buffer for writing file
            byte data[] = new byte[BUFFER];

            FileOutputStream fos = new FileOutputStream(destFile);
            BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER);

            while ((currentByte = is.read(data, 0, BUFFER)) != -1) {
                dest.write(data, 0, currentByte);
            }
            dest.flush();
            dest.close();
            is.close();

        }

    }
    zipFile.close();

    for (Iterator iter = zipFiles.iterator(); iter.hasNext();) {
        String zipName = (String) iter.next();
        unzipEPub(zipName,
                destinationDirectory + File.separatorChar + zipName.substring(0, zipName.lastIndexOf(".zip")));
    }
}

---

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