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:b2s.idea.mavenize.JarCombiner.java

private static void copyContentsOf(File input, ZipOutputStream output, JarContext context) throws IOException {
    ZipFile zip = null;
    try {/*  w  w  w. j a  v  a  2  s  . c  om*/
        zip = new ZipFile(input);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            if (fileCanBeIgnored(entry, context)) {
                continue;
            }

            if (isServiceEntry(entry)) {
                context.addService(entry.getName(), contentsOf(entry, zip));
                continue;
            }

            output.putNextEntry(new ZipEntry(entry.getName()));
            output.write(contentsOf(entry, zip));
            output.flush();
            output.closeEntry();

            context.addVisitedEntry(entry);
        }
    } finally {
        close(zip);
    }
}

---

From source file:com.stevpet.sonar.plugins.dotnet.mscover.codecoverage.command.ZipUtils.java

/**
 * Extracts the specified folder from the specified archive, into the supplied output directory.
 * // w w  w.  j  av a2 s. com
 * @param archivePath
 *          the archive Path
 * @param folderToExtract
 *          the folder to extract
 * @param outputDirectory
 *          the output directory
 * @return the extracted folder path
 * @throws IOException
 *           if a problem occurs while extracting
 */
public static File extractArchiveFolderIntoDirectory(String archivePath, String folderToExtract,
        String outputDirectory) throws IOException {
    File destinationFolder = new File(outputDirectory);
    destinationFolder.mkdirs();

    ZipFile zip = null;
    try {
        zip = new ZipFile(new File(archivePath));
        Enumeration<?> zipFileEntries = zip.entries();
        // Process each entry
        while (zipFileEntries.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) zipFileEntries.nextElement();
            String currentEntry = entry.getName();
            if (currentEntry.startsWith(folderToExtract)) {
                File destFile = new File(destinationFolder, currentEntry);
                destFile.getParentFile().mkdirs();
                if (!entry.isDirectory()) {
                    BufferedInputStream is = null;
                    BufferedOutputStream dest = null;
                    try {
                        is = new BufferedInputStream(zip.getInputStream(entry));
                        int currentByte;
                        // establish buffer for writing file
                        byte data[] = new byte[BUFFER_SIZE];

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

                        // read and write until last byte is encountered
                        while ((currentByte = is.read(data, 0, BUFFER_SIZE)) != -1) {
                            dest.write(data, 0, currentByte);
                        }
                    } finally {
                        if (dest != null) {
                            dest.flush();
                        }
                        IOUtils.closeQuietly(dest);
                        IOUtils.closeQuietly(is);
                    }
                }
            }
        }
    } finally {
        if (zip != null) {
            zip.close();
        }
    }

    return new File(destinationFolder, folderToExtract);
}

---

From source file:Main.java

public static String getJarSignature(String packagePath) throws IOException {
    Pattern signatureFilePattern = Pattern.compile("META-INF/[A-Z]+\\.SF");

    ZipFile packageZip = null;
    try {/*from  w  w  w .ja  va 2s .  c  om*/
        packageZip = new ZipFile(packagePath);
        // For each file in the zip.
        for (ZipEntry entry : Collections.list(packageZip.entries())) {
            // Ignore non-signature files.
            if (!signatureFilePattern.matcher(entry.getName()).matches()) {
                continue;
            }

            BufferedReader sigContents = null;
            try {
                sigContents = new BufferedReader(new InputStreamReader(packageZip.getInputStream(entry)));
                // For each line in the signature file.
                while (true) {
                    String line = sigContents.readLine();
                    if (line == null || line.equals("")) {
                        throw new IllegalArgumentException(
                                "Failed to find manifest digest in " + entry.getName());
                    }
                    String prefix = "SHA1-Digest-Manifest: ";
                    if (line.startsWith(prefix)) {
                        return line.substring(prefix.length());
                    }
                }
            } finally {
                if (sigContents != null) {
                    sigContents.close();
                }
            }
        }
    } finally {
        if (packageZip != null) {
            packageZip.close();
        }
    }

    throw new IllegalArgumentException("Failed to find signature file.");
}

---

From source file:de.rub.syssec.saaf.analysis.steps.extract.ApkUnzipper.java

/**
 * Extracts the given archive into the given destination directory
 * /*from w  ww.j av  a2s.  c  o  m*/
 * @param archive
 *            - the file to extract
 * @param dest
 *            - the destination directory
 * @throws Exception
 */
public static void extractArchive(File archive, File destDir) throws 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()) {

            File file = new File(destDir, entryFileName);

            BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));

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

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

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

---

From source file:android.databinding.tool.util.GenerationalClassUtil.java

private static void loadFomZipFile(File file) throws IOException {
    ZipFile zipFile = new ZipFile(file);
    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        for (ExtensionFilter filter : ExtensionFilter.values()) {
            if (!filter.accept(entry.getName())) {
                continue;
            }/*ww w  . jav  a2  s.com*/
            InputStream inputStream = null;
            try {
                inputStream = zipFile.getInputStream(entry);
                Serializable item = fromInputStream(inputStream);
                L.d("loaded item %s from zip file", item);
                if (item != null) {
                    //noinspection unchecked
                    sCache[filter.ordinal()].add(item);
                }
            } catch (IOException e) {
                L.e(e, "Could not merge in Bindables from %s", file.getAbsolutePath());
            } catch (ClassNotFoundException e) {
                L.e(e, "Could not read Binding properties intermediate file. %s", file.getAbsolutePath());
            } finally {
                IOUtils.closeQuietly(inputStream);
            }
        }
    }
}

---

From source file:Main.java

public static File UpdateZipFromPath(String sZipFile, String sPath) throws Exception {
    File tmpFile = File.createTempFile("z4zip-tmp-", ".zip");
    tmpFile.deleteOnExit();//from w  ww.  j  ava 2 s .com
    ZipFile inZip = new ZipFile(sZipFile);
    ZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(tmpFile.getPath()));

    Enumeration<? extends ZipEntry> entries = inZip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry e = entries.nextElement();
        outZip.putNextEntry(e);
        if (!e.isDirectory()) {
            File f = new File(sPath + "/" + e.getName());
            if (f.exists()) {
                copy(new FileInputStream(f.getPath()), outZip);
            } else {
                copy(inZip.getInputStream(e), outZip);
            }
        }
        outZip.closeEntry();
    }
    inZip.close();
    outZip.close();
    return tmpFile;
}

---

From source file:com.aliyun.odps.local.common.utils.ArchiveUtils.java

/**
 * Given a File input it will unzip the file in a the unzip directory passed
 * as the second parameter//  w  w  w  .j  a  v  a  2 s .  c o  m
 * 
 * @param inFile
 *          The zip file as input
 * @param unzipDir
 *          The unzip directory where to unzip the zip file.
 * @throws IOException
 */
public static void unZip(File inFile, File unzipDir) throws IOException {
    Enumeration<? extends ZipEntry> entries;
    ZipFile zipFile = new ZipFile(inFile);

    try {
        entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            if (!entry.isDirectory()) {
                InputStream in = zipFile.getInputStream(entry);
                try {
                    File file = new File(unzipDir, entry.getName());
                    if (!file.getParentFile().mkdirs()) {
                        if (!file.getParentFile().isDirectory()) {
                            throw new IOException("Mkdirs failed to create " + file.getParentFile().toString());
                        }
                    }
                    OutputStream out = new FileOutputStream(file);
                    try {
                        byte[] buffer = new byte[8192];
                        int i;
                        while ((i = in.read(buffer)) != -1) {
                            out.write(buffer, 0, i);
                        }
                    } finally {
                        out.close();
                    }
                } finally {
                    in.close();
                }
            }
        }
    } finally {
        zipFile.close();
    }
}

---

From source file:nz.co.fortytwo.freeboard.installer.ZipUtils.java

/**
 * Unzip a zipFile into a directory//ww  w .  j a v  a 2s . c  o  m
 * @param targetDir
 * @param zipFile
 * @throws ZipException
 * @throws IOException
 */
public static void unzip(File targetDir, File zipFile) throws ZipException, IOException {
    ZipFile zip = new ZipFile(zipFile);

    @SuppressWarnings("unchecked")
    Enumeration<ZipEntry> z = (Enumeration<ZipEntry>) zip.entries();
    while (z.hasMoreElements()) {
        ZipEntry entry = z.nextElement();
        File f = new File(targetDir, entry.getName());
        if (f.isDirectory()) {
            if (!f.exists()) {
                f.mkdirs();
            }
        } else {
            f.getParentFile().mkdirs();
            InputStream in = zip.getInputStream(entry);
            BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f));
            IOUtils.copy(in, out);
            in.close();
            out.flush();
            out.close();
        }

    }
    zip.close();
}

---

From source file:Main.java

public static List<File> unzip(File zip, File toDir) throws IOException {
    ZipFile zf = null;
    List<File> files = null;
    try {/*from   ww w .  j  a va 2s  . c  o m*/
        zf = new ZipFile(zip);
        files = new ArrayList<File>();
        Enumeration<?> entries = zf.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            if (entry.isDirectory()) {
                new File(toDir, entry.getName()).mkdirs();
                continue;
            }

            InputStream input = null;
            OutputStream output = null;
            try {
                File f = new File(toDir, entry.getName());
                input = zf.getInputStream(entry);
                output = new FileOutputStream(f);
                copy(input, output);
                files.add(f);
            } finally {
                closeQuietly(output);
                closeQuietly(input);
            }
        }
    } finally {
        if (zf != null) {
            zf.close();
        }
    }
    return files;
}

---

From source file:org.codice.ddf.admin.application.service.impl.ApplicationFileInstaller.java

/**
 * Loops through all of zipFile's entries to find the features.xml file.
 *
 * @param zipFile The ZipFile to search for the feature file.
 * @return The ZipEntry representing the features.xml file.
 */// w  w  w.j  a  v a  2s .  co  m
private static ZipEntry getFeatureFile(ZipFile zipFile) {
    Enumeration<?> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
        ZipEntry curEntry = (ZipEntry) entries.nextElement();
        if (!curEntry.isDirectory() && !curEntry.getName().startsWith("META-INF")) {
            if (isFeatureFile(curEntry)) {
                return curEntry;
            }
        }
    }
    return null;
}

---

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