Example usage for java.util.zip ZipFile entries

List of usage examples for java.util.zip ZipFile entries

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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:org.codice.ddf.admin.application.service.impl.ApplicationFileInstaller.java

/**
 * Verifies that the file is a file Karaf ARchive is a valid file.
 *
 * @param appZip//  ww  w . j  a v a2 s . com
 *            Zip file that should be checked.
 * @return true if the file is a valid kar, false if not.
 */
private static boolean isFileValid(ZipFile appZip) {
    Enumeration<?> entries = appZip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry curEntry = (ZipEntry) entries.nextElement();
        if (!curEntry.isDirectory()) {
            if (isFeatureFile(curEntry)) {
                LOGGER.info("Found a feature in the application: {} which verifies this is a Karaf ARchive.",
                        curEntry.getName());
                return true;
            }
        }
    }
    return false;
}

From source file:org.eclipse.jubula.tools.internal.utils.ZipUtil.java

/**
 * Unzips the contents of the given zip file into the given directory.
 * /*from  w w w  . j a  v  a 2s .co  m*/
 * @param srcZip The zip file to extract.
 * @param targetDir The base directory for extracted files.
 * @param filter Only files accepted by this filter will be extracted.
 * @return all extracted files.
 * @throws IOException
 */
public static File[] unzipFiles(File srcZip, File targetDir, IZipEntryFilter filter) throws IOException {

    ZipFile archive = new ZipFile(srcZip);
    Enumeration e = archive.entries();
    List<File> extractedFiles = new ArrayList<File>();
    while (e.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) e.nextElement();
        if (filter.accept(entry)) {
            File file = new File(targetDir, entry.getName());
            if (entry.isDirectory() && !file.exists()) {
                file.mkdirs();
            } else {
                if (!file.getParentFile().exists()) {
                    file.getParentFile().mkdirs();
                }

                extractedFiles.add(file);
                unzipFile(archive, file, entry);
            }
        }
    }

    return (File[]) extractedFiles.toArray();
}

From source file:org.eclipse.jubula.tools.utils.ZipUtil.java

/**
 * Unzips the contents of the given zip file into the given directory.
 * /* w  w  w .  j a v  a  2 s. c om*/
 * @param srcZip The zip file to extract.
 * @param targetDir The base directory for extracted files.
 * @param filter Only files accepted by this filter will be extracted.
 * @return all extracted files.
 * @throws IOException
 */
public static File[] unzipFiles(File srcZip, File targetDir, IZipEntryFilter filter) throws IOException {

    ZipFile archive = new ZipFile(srcZip);
    Enumeration e = archive.entries();
    List extractedFiles = new ArrayList();
    while (e.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) e.nextElement();
        if (filter.accept(entry)) {
            File file = new File(targetDir, entry.getName());
            if (entry.isDirectory() && !file.exists()) {
                file.mkdirs();
            } else {
                if (!file.getParentFile().exists()) {
                    file.getParentFile().mkdirs();
                }

                extractedFiles.add(file);
                unzipFile(archive, file, entry);
            }
        }
    }

    return (File[]) extractedFiles.toArray();
}

From source file:de.langmi.spring.batch.examples.readers.file.zip.ZipMultiResourceItemReader.java

/**
 * Extract only files from the zip archive.
 *
 * @param currentZipFile// w w  w .j  av a 2 s. com
 * @param extractedResources
 * @throws IOException 
 */
private static void extractFiles(final ZipFile currentZipFile, final List<Resource> extractedResources)
        throws IOException {
    Enumeration<? extends ZipEntry> zipEntryEnum = currentZipFile.entries();
    while (zipEntryEnum.hasMoreElements()) {
        ZipEntry zipEntry = zipEntryEnum.nextElement();
        LOG.info("extracting:" + zipEntry.getName());
        // traverse directories
        if (!zipEntry.isDirectory()) {
            // add inputStream
            extractedResources
                    .add(new InputStreamResource(currentZipFile.getInputStream(zipEntry), zipEntry.getName()));
            LOG.info("using extracted file:" + zipEntry.getName());
        }
    }
}

From source file:org.openo.nfvo.jujuvnfmadapter.common.DownloadCsarManager.java

/**
 * unzip CSAR packge/*from  w ww .ja  v  a  2s .c o m*/
 * @param fileName filePath
 * @return
 */
public static int unzipCSAR(String fileName, String filePath) {
    final int BUFFER = 2048;
    int status = 0;

    try {
        ZipFile zipFile = new ZipFile(fileName);
        Enumeration emu = zipFile.entries();
        int i = 0;
        while (emu.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) emu.nextElement();
            //read directory as file first,so only need to create directory
            if (entry.isDirectory()) {
                new File(filePath + entry.getName()).mkdirs();
                continue;
            }
            BufferedInputStream bis = new BufferedInputStream(zipFile.getInputStream(entry));
            File file = new File(filePath + entry.getName());
            //Because that is random to read zipfile,maybe the file is read first
            //before the directory is read,so we need to create directory first.
            File parent = file.getParentFile();
            if (parent != null && (!parent.exists())) {
                parent.mkdirs();
            }
            FileOutputStream fos = new FileOutputStream(file);
            BufferedOutputStream bos = new BufferedOutputStream(fos, BUFFER);

            int count;
            byte data[] = new byte[BUFFER];
            while ((count = bis.read(data, 0, BUFFER)) != -1) {
                bos.write(data, 0, count);
            }
            bos.flush();
            bos.close();
            bis.close();

            if (entry.getName().endsWith(".zip")) {
                File subFile = new File(filePath + entry.getName());
                if (subFile.exists()) {
                    int subStatus = unzipCSAR(filePath + entry.getName(), subFile.getParent() + "/");
                    if (subStatus != 0) {
                        LOG.error("sub file unzip fail!" + subFile.getName());
                        status = Constant.UNZIP_FAIL;
                        return status;
                    }
                }
            }
        }
        status = Constant.UNZIP_SUCCESS;
        zipFile.close();
    } catch (Exception e) {
        status = Constant.UNZIP_FAIL;
        e.printStackTrace();
    }
    return status;
}

From source file:com.twosigma.beakerx.kernel.magic.command.ClasspathAddMvnDepsCellMagicCommandTest.java

private static void unzipRepo() {
    try {//w  w w .  j ava 2 s .  c o  m
        ZipFile zipFile = new ZipFile(BUILD_PATH + "/testMvnCache.zip");
        Enumeration<?> enu = zipFile.entries();
        while (enu.hasMoreElements()) {
            ZipEntry zipEntry = (ZipEntry) enu.nextElement();
            String name = BUILD_PATH + "/" + zipEntry.getName();
            File file = new File(name);
            if (name.endsWith("/")) {
                file.mkdirs();
                continue;
            }

            File parent = file.getParentFile();
            if (parent != null) {
                parent.mkdirs();
            }

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

        }
        zipFile.close();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.eclipse.jubula.tools.internal.utils.ZipUtil.java

/**
 * Extracts all JAR files from the given ZIP file into temporary JAR files. 
 * The directory structure of the extracted contents is not maintained.
 * A mapping from ZIP file to extracted JARs is maintained by this class,
 * so multiple calls to this method for a single ZIP file will extract JAR 
 * files once and return references to those files for each subsequent call.
 * The extracted JAR files are deleted on VM exit.
 * @param srcZip The ZIP file to extract.
 * @return all extracted files.//w  ww  .  j a v a  2  s . c  om
 * @throws IOException
 */
public static File[] unzipTempJars(File srcZip) throws IOException {

    if (zipToTempJars.containsKey(srcZip)) {
        return zipToTempJars.get(srcZip);
    }

    IZipEntryFilter filter = new IZipEntryFilter() {
        public boolean accept(ZipEntry entry) {
            return entry.getName().toLowerCase().endsWith(JAR_FILE_EXT);
        }
    };
    ZipFile archive = new ZipFile(srcZip);
    Enumeration e = archive.entries();
    List<File> extractedFiles = new ArrayList<File>();
    while (e.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) e.nextElement();
        if (filter.accept(entry)) {
            if (!entry.isDirectory()) {
                String prefix = entry.getName().substring(entry.getName().lastIndexOf("/") + 1, //$NON-NLS-1$
                        entry.getName().toLowerCase().lastIndexOf(JAR_FILE_EXT));
                File file = File.createTempFile(StringUtils.rightPad(prefix, 3), JAR_FILE_EXT);
                extractedFiles.add(file);
                file.deleteOnExit();
                unzipFile(archive, file, entry);
            }
        }
    }

    File[] files = extractedFiles.toArray(new File[extractedFiles.size()]);
    zipToTempJars.put(srcZip, files);
    return files;
}

From source file:org.eclipse.jubula.tools.utils.ZipUtil.java

/**
 * Extracts all JAR files from the given ZIP file into temporary JAR files. 
 * The directory structure of the extracted contents is not maintained.
 * A mapping from ZIP file to extracted JARs is maintained by this class,
 * so multiple calls to this method for a single ZIP file will extract JAR 
 * files once and return references to those files for each subsequent call.
 * The extracted JAR files are deleted on VM exit.
 * @param srcZip The ZIP file to extract.
 * @return all extracted files.//from www.j a v a 2s  . c o  m
 * @throws IOException
 */
public static File[] unzipTempJars(File srcZip) throws IOException {

    if (zipToTempJars.containsKey(srcZip)) {
        return (File[]) zipToTempJars.get(srcZip);
    }

    IZipEntryFilter filter = new IZipEntryFilter() {
        public boolean accept(ZipEntry entry) {
            return entry.getName().toLowerCase().endsWith(JAR_FILE_EXT);
        }
    };
    ZipFile archive = new ZipFile(srcZip);
    Enumeration e = archive.entries();
    List extractedFiles = new ArrayList();
    while (e.hasMoreElements()) {
        ZipEntry entry = (ZipEntry) e.nextElement();
        if (filter.accept(entry)) {
            if (!entry.isDirectory()) {
                String prefix = entry.getName().substring(entry.getName().lastIndexOf("/") + 1, //$NON-NLS-1$
                        entry.getName().toLowerCase().lastIndexOf(JAR_FILE_EXT));
                File file = File.createTempFile(StringUtils.rightPad(prefix, 3), JAR_FILE_EXT);
                extractedFiles.add(file);
                file.deleteOnExit();
                unzipFile(archive, file, entry);
            }
        }
    }

    File[] files = (File[]) extractedFiles.toArray(new File[extractedFiles.size()]);
    zipToTempJars.put(srcZip, files);
    return files;
}

From source file:com.mc.printer.model.utils.ZipHelper.java

public static void unZip(String sourceZip, String outDirName) throws IOException {
    log.info("unzip source:" + sourceZip);
    log.info("unzip to :" + outDirName);
    ZipFile zfile = new ZipFile(sourceZip);
    System.out.println(zfile.getName());
    Enumeration zList = zfile.entries();
    ZipEntry ze = null;// ww  w  . ja v  a2s  .co  m
    byte[] buf = new byte[1024];
    while (zList.hasMoreElements()) {
        //ZipFileZipEntry
        ze = (ZipEntry) zList.nextElement();
        if (ze.isDirectory()) {
            continue;
        }
        //ZipEntry?InputStreamOutputStream
        File fil = getRealFileName(outDirName, ze.getName());

        OutputStream os = new BufferedOutputStream(new FileOutputStream(fil));
        InputStream is = new BufferedInputStream(zfile.getInputStream(ze));
        int readLen = 0;
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
            os.write(buf, 0, readLen);
        }
        is.close();
        os.close();
        log.debug("Extracted: " + ze.getName());
    }
    zfile.close();

}

From source file:com.ts.db.connector.ConnectorDriverManager.java

private static Driver getDriver(File jar, String url, ClassLoader cl) throws IOException {
    ZipFile zipFile = new ZipFile(jar);
    try {//w  w  w.  j  a v  a  2  s . c o m
        for (ZipEntry entry : Iteration.asIterable(zipFile.entries())) {
            final String name = entry.getName();
            if (name.endsWith(".class")) {
                final String fqcn = name.replaceFirst("\\.class", "").replace('/', '.');
                try {
                    Class<?> c = DynamicLoader.loadClass(fqcn, cl);
                    if (Driver.class.isAssignableFrom(c)) {
                        Driver driver = (Driver) c.newInstance();
                        if (driver.acceptsURL(url)) {
                            return driver;
                        }
                    }
                } catch (Exception ex) {
                    if (log.isTraceEnabled()) {
                        log.trace(ex.toString());
                    }
                }
            }
        }
    } finally {
        zipFile.close();
    }
    return null;
}