Example usage for java.util.zip ZipEntry isDirectory

Introduction

In this page you can find the example usage for java.util.zip ZipEntry isDirectory.

Prototype

public boolean isDirectory() 

Source Link

Document

Returns true if this is a directory entry.

Usage

From source file:com.acciente.commons.loader.ClassFinder.java

private static Set findInJar(File oJarFile, String sPackageName, Pattern oClassNamePattern, Set oClassNameSet)
        throws IOException {
    ZipFile oZipFile;//from www.jav a2 s  .com
    Enumeration oZipFileEntries;

    oZipFile = new ZipFile(oJarFile);
    oZipFileEntries = oZipFile.entries();

    while (oZipFileEntries.hasMoreElements()) {
        ZipEntry oZipFileEntry = (ZipEntry) oZipFileEntries.nextElement();
        String sClassname = getFQClassname(oZipFileEntry);

        if (!oZipFileEntry.isDirectory() && sClassname.startsWith(sPackageName)) {
            if (oClassNamePattern.matcher(sClassname).matches()) {
                oClassNameSet.add(sClassname);
            }
        }
    }

    return oClassNameSet;
}

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From source file:org.apache.maven.classpath.munger.validation.JarValidationUtilsTest.java

private static byte[] createTestJar(Collection<? extends ZipEntry> entriesList, byte... data)
        throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(
            data.length + entriesList.size() * 64 * 2 + Byte.MAX_VALUE);
    try (JarOutputStream jarFile = new JarOutputStream(baos)) {
        for (ZipEntry zipEntry : entriesList) {
            jarFile.putNextEntry(zipEntry);
            try {
                if (zipEntry.isDirectory()) {
                    continue;
                }//from www. j  a v a  2s  .c o m
                jarFile.write(data);
            } finally {
                jarFile.closeEntry();
            }
        }
    } finally {
        baos.close();
    }

    return baos.toByteArray();
}

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From source file:com.gelakinetic.mtgfam.helpers.ZipUtils.java

/**
 * Unzip a file directly into getFilesDir()
 *
 * @param zipFile The zip file to unzip/* w w w  .j  ava 2 s.c  o  m*/
 * @param context The application context, for getting files and the like
 * @throws IOException Thrown if something goes wrong with unzipping and writing
 */
private static void unZipIt(ZipFile zipFile, Context context) throws IOException {
    Enumeration<? extends ZipEntry> entries;

    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. */
            if (!(new File(entry.getName())).mkdir()) {
                return;
            }
            continue;
        }
        String[] path = entry.getName().split("/");
        String pathCat = "";
        if (path.length > 1) {
            for (int i = 0; i < path.length - 1; i++) {
                pathCat += path[i] + "/";
                File tmp = new File(context.getFilesDir(), pathCat);
                if (!tmp.exists()) {
                    if (!tmp.mkdir()) {
                        return;
                    }
                }
            }
        }

        InputStream in = zipFile.getInputStream(entry);
        OutputStream out;
        if (entry.getName().contains("_preferences.xml")) {
            String sharedPrefsDir = context.getFilesDir().getPath();
            sharedPrefsDir = sharedPrefsDir.substring(0, sharedPrefsDir.lastIndexOf("/")) + "/shared_prefs/";

            out = new BufferedOutputStream(new FileOutputStream(new File(sharedPrefsDir, entry.getName())));
        } else {
            out = new BufferedOutputStream(
                    new FileOutputStream(new File(context.getFilesDir(), entry.getName())));
        }
        byte[] buffer = new byte[1024];
        int len;
        while ((len = in.read(buffer)) >= 0) {
            out.write(buffer, 0, len);
        }

        in.close();
        out.close();
    }

    zipFile.close();
}

---

From source file:com.blackducksoftware.integration.hub.detect.util.DetectZipUtil.java

public static void unzip(File zip, File dest, Charset charset) throws IOException {
    Path destPath = dest.toPath();
    try (ZipFile zipFile = new ZipFile(zip, ZipFile.OPEN_READ, charset)) {
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            Path entryPath = destPath.resolve(entry.getName());
            if (!entryPath.normalize().startsWith(dest.toPath()))
                throw new IOException("Zip entry contained path traversal");
            if (entry.isDirectory()) {
                Files.createDirectories(entryPath);
            } else {
                Files.createDirectories(entryPath.getParent());
                try (InputStream in = zipFile.getInputStream(entry)) {
                    try (OutputStream out = new FileOutputStream(entryPath.toFile())) {
                        IOUtils.copy(in, out);
                    }/*from   www.  ja v  a  2s . c  om*/
                }
            }
        }
    }
}

---

From source file:Main.java

private static File unzip(Context context, InputStream in) throws IOException {
    File tmpDb = null;//from   w w w  .  j  av a  2 s  .com
    int dbFiles = 0;
    try {
        tmpDb = File.createTempFile("import", ".db");

        ZipInputStream zin = new ZipInputStream(in);
        ZipEntry sourceEntry;
        while (true) {

            sourceEntry = zin.getNextEntry();

            if (sourceEntry == null) {
                break;
            }

            if (sourceEntry.isDirectory()) {
                zin.closeEntry();
                continue;
            }

            FileOutputStream fOut;
            if (sourceEntry.getName().endsWith(".db")) {
                // Write database to tmp file
                fOut = new FileOutputStream(tmpDb);
                dbFiles++;
            } else {
                // Write all other files(images) to files dir in apps data
                int start = sourceEntry.getName().lastIndexOf("/") + 1;
                String name = sourceEntry.getName().substring(start);
                fOut = context.openFileOutput(name, Context.MODE_PRIVATE);
            }

            final OutputStream targetStream = fOut;
            try {
                int read;
                while (true) {
                    byte[] buffer = new byte[1024];
                    read = zin.read(buffer);
                    if (read == -1) {
                        break;
                    }
                    targetStream.write(buffer, 0, read);
                }
                targetStream.flush();
            } finally {
                safeCloseClosable(targetStream);
            }
            zin.closeEntry();
        }
    } finally {
        safeCloseClosable(in);
    }
    if (dbFiles != 1) {
        throw new IllegalStateException("Input file is not a valid backup");
    }
    return tmpDb;
}

---

From source file:Main.java

/**
 * extracts a zip file to the given dir//from   w w  w  .  ja  v  a  2s . c  o  m
 * @param archive
 * @param destDir
 * @throws IOException 
 * @throws ZipException 
 * @throws Exception
 */
public static void extractZipArchive(File archive, File destDir) throws ZipException, IOException {
    if (!destDir.exists()) {
        destDir.mkdir();
    }

    ZipFile zipFile = new ZipFile(archive);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();

    byte[] buffer = new byte[16384];
    int len;
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();

        String entryFileName = entry.getName();

        File dir = buildDirectoryHierarchyFor(entryFileName, destDir);
        if (!dir.exists()) {
            dir.mkdirs();
        }

        if (!entry.isDirectory()) {
            BufferedOutputStream bos = new BufferedOutputStream(
                    new FileOutputStream(new File(destDir, entryFileName)));

            BufferedInputStream bis = new BufferedInputStream(zipFile.getInputStream(entry));

            while ((len = bis.read(buffer)) > 0) {
                bos.write(buffer, 0, len);
            }

            bos.flush();
            bos.close();
            bis.close();
        }
    }
}

---

From source file:net.chris54721.infinitycubed.utils.Utils.java

public static void unzip(File zipFile, File outputFolder) {
    InputStream in = null;//w  w w. ja  v a 2 s.  c  o  m
    OutputStream out = null;
    try {
        ZipFile zip = new ZipFile(zipFile);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        if (!outputFolder.isDirectory())
            outputFolder.mkdirs();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            File entryTarget = new File(outputFolder, entry.getName());
            entryTarget.getParentFile().mkdirs();
            if (entry.isDirectory())
                entryTarget.mkdirs();
            else {
                in = zip.getInputStream(entry);
                out = new FileOutputStream(entryTarget);
                IOUtils.copy(in, out);
            }
        }
    } catch (Exception e) {
        LogHelper.error("Failed extracting " + zipFile.getName(), e);
    } finally {
        if (in != null)
            IOUtils.closeQuietly(in);
        if (out != null)
            IOUtils.closeQuietly(out);
    }
}

---

From source file:herddb.upgrade.ZIPUtils.java

public static List<File> unZip(InputStream fs, File outDir) throws IOException {

    try (ZipInputStream zipStream = new ZipInputStream(fs, StandardCharsets.UTF_8);) {
        ZipEntry entry = zipStream.getNextEntry();
        List<File> listFiles = new ArrayList<>();
        while (entry != null) {
            if (entry.isDirectory()) {
                entry = zipStream.getNextEntry();
                continue;
            }//  w  ww . j  ava  2s . c o  m

            String normalized = normalizeFilenameForFileSystem(entry.getName());
            File outFile = new File(outDir, normalized);
            File parentDir = outFile.getParentFile();
            if (parentDir != null && !parentDir.isDirectory()) {
                Files.createDirectories(parentDir.toPath());
            }

            listFiles.add(outFile);
            try (FileOutputStream out = new FileOutputStream(outFile);
                    SimpleBufferedOutputStream oo = new SimpleBufferedOutputStream(out)) {
                IOUtils.copyLarge(zipStream, oo);
            }
            entry = zipStream.getNextEntry();

        }
        return listFiles;
    } catch (IllegalArgumentException ex) {
        throw new IOException(ex);
    }

}

---

From source file:org.apache.hive.beeline.ClassNameCompleter.java

/**
 * Get clazz names from a jar file path/*from   w  w w . j  av  a2s. c om*/
 * @param path specifies the jar file's path
 * @return
 */
private static List<String> getClassNamesFromJar(String path) {
    List<String> classNames = new ArrayList<String>();
    ZipInputStream zip = null;
    try {
        zip = new ZipInputStream(new FileInputStream(path));
        ZipEntry entry = zip.getNextEntry();
        while (entry != null) {
            if (!entry.isDirectory() && entry.getName().endsWith(clazzFileNameExtension)) {
                StringBuilder className = new StringBuilder();
                for (String part : entry.getName().split("/")) {
                    if (className.length() != 0) {
                        className.append(".");
                    }
                    className.append(part);
                    if (part.endsWith(clazzFileNameExtension)) {
                        className.setLength(className.length() - clazzFileNameExtension.length());
                    }
                }
                classNames.add(className.toString());
            }
            entry = zip.getNextEntry();
        }
    } catch (IOException e) {
        LOG.error("Fail to parse the class name from the Jar file due to the exception:" + e);
    } finally {
        if (zip != null) {
            try {
                zip.close();
            } catch (IOException e) {
                LOG.error("Fail to close the file due to the exception:" + e);
            }
        }
    }

    return classNames;
}

---

From source file:functionalTests.vfsprovider.TestProActiveProvider.java

public static void extractZip(final ZipInputStream zipStream, final File dstFile) throws IOException {
    ZipEntry zipEntry;
    while ((zipEntry = zipStream.getNextEntry()) != null) {
        final File dstSubFile = new File(dstFile, zipEntry.getName());

        if (zipEntry.isDirectory()) {
            dstSubFile.mkdirs();//from   w  ww  .j  av a  2 s  .c o  m
            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();
            }
        }
    }
}

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