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:com.isomorphic.maven.util.ArchiveUtils.java

/**
 * Unzips the <code>source</code> file to the <code>target</code> directory.
 * /*from www .  j  a v  a  2  s  .co  m*/
 * @param source The file to be unzipped
 * @param target The directory to which the source file should be unzipped
 * @throws IOException
 */
public static void unzip(File source, File target) throws IOException {

    ZipFile zip = new ZipFile(source);
    Enumeration<? extends ZipEntry> entries = zip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry entry = entries.nextElement();
        File file = new File(target, entry.getName());
        FileUtils.copyInputStreamToFile(zip.getInputStream(entry), file);
    }
}

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

/**
 * jar????/*from  w  w w . jav  a  2s .  c  om*/
 *
 * @param jar ????jar
 * @param subDir jar???????
 * @param loc ????
 * @param force ????
 * @return
 */
public static boolean unZip(String jar, String subDir, String loc, boolean force) {
    try {
        File base = new File(loc);
        if (!base.exists()) {
            base.mkdirs();
        }

        ZipFile zip = new ZipFile(new File(jar));
        Enumeration<? extends ZipEntry> entrys = zip.entries();
        while (entrys.hasMoreElements()) {
            ZipEntry entry = entrys.nextElement();
            String name = entry.getName();
            if (!name.startsWith(subDir)) {
                continue;
            }
            //subDir
            name = name.replace(subDir, "").trim();
            if (name.length() < 2) {
                log.debug(name + "  < 2");
                continue;
            }
            if (entry.isDirectory()) {
                File dir = new File(base, name);
                if (!dir.exists()) {
                    dir.mkdirs();
                    log.debug("create directory");
                } else {
                    log.debug("the directory is existing.");
                }
                log.debug(name + " is a directory");
            } else {
                File file = new File(base, name);
                if (file.exists() && force) {
                    file.delete();
                }
                if (!file.exists()) {
                    InputStream in = zip.getInputStream(entry);
                    FileUtils.copyInputStreamToFile(in, file);
                    log.debug("create file.");
                    in.close();
                } else {
                    log.debug("the file is existing");
                }
                log.debug(name + " is not a directory");
            }
        }
        zip.close();
    } catch (ZipException ex) {
        ex.printStackTrace();
        log.error("file unzip failed.", ex);
        return false;
    } catch (IOException ex) {
        ex.printStackTrace();
        log.error("file IO failed", ex);
        return false;
    }
    return true;
}

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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;
    Enumeration oZipFileEntries;/* w  w  w .j ava 2 s. c o m*/

    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;
}

---

From source file:com.opengamma.util.ZipUtils.java

/**
 * Unzips a ZIP archive./*from w  w  w.j  a v a2 s .co m*/
 * 
 * @param zipFile  the archive file, not null
 * @param outputDir  the output directory, not null
 */
public static void unzipArchive(final ZipFile zipFile, final File outputDir) {
    ArgumentChecker.notNull(zipFile, "zipFile");
    ArgumentChecker.notNull(outputDir, "outputDir");

    try {
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            if (entry.isDirectory()) {
                FileUtils.forceMkdir(new File(outputDir, entry.getName()));
                continue;
            }
            File entryDestination = new File(outputDir, entry.getName());
            entryDestination.getParentFile().mkdirs();
            InputStream in = zipFile.getInputStream(entry);
            OutputStream out = new FileOutputStream(entryDestination);
            IOUtils.copy(in, out);
            IOUtils.closeQuietly(in);
            IOUtils.closeQuietly(out);
        }
        zipFile.close();
    } catch (IOException ex) {
        throw new OpenGammaRuntimeException(
                "Error while extracting file: " + zipFile.getName() + " to: " + outputDir, ex);
    }
}

---

From source file:com.limegroup.gnutella.gui.LanguageUtils.java

/**
 * Returns the languages as found from the classpath in messages.jar
 *//*from   ww w.  ja v a  2 s  .  com*/
static void addLocalesFromJar(List<Locale> locales, File jar) {
    ZipFile zip = null;
    try {
        zip = new ZipFile(jar);
        Enumeration<? extends ZipEntry> entries = zip.entries();
        while (entries.hasMoreElements()) {
            String name = entries.nextElement().getName();
            if (!name.startsWith(BUNDLE_PREFIX) || !name.endsWith(BUNDLE_POSTFIX) || name.indexOf("$") != -1) {
                continue;
            }

            String iso = name.substring(BUNDLE_PREFIX.length(), name.length() - BUNDLE_POSTFIX.length());
            List<String> tokens = new ArrayList<String>(Arrays.asList(iso.split("_", 3)));
            if (tokens.size() < 1) {
                continue;
            }
            while (tokens.size() < 3) {
                tokens.add("");
            }

            Locale locale = new Locale(tokens.get(0), tokens.get(1), tokens.get(2));
            locales.add(locale);
        }
    } catch (IOException e) {
        LOG.warn("Could not determine locales", e);
    } finally {
        if (zip != null) {
            try {
                zip.close();
            } catch (IOException ioe) {
            }
        }
    }
}

---

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

/**
 * Extracts all files/folders from the provided zip file to our location defined in
 * REPO_LOCATION./* www  . j  a  v  a  2  s  .  c o m*/
 *
 * @param appZip
 *            the ZipFile to extract.
 * @return the detected feature file location.
 */
private static String installToRepo(ZipFile appZip) {
    String featureLocation = null;
    Enumeration<?> entries = appZip.entries();
    while (entries.hasMoreElements()) {
        ZipEntry curEntry = (ZipEntry) entries.nextElement();
        if (!curEntry.isDirectory() && !curEntry.getName().startsWith("META-INF")) {
            try {
                InputStream is = appZip.getInputStream(curEntry);
                String outputName = curEntry.getName().substring("repository/".length());
                LOGGER.info("Writing out {}", curEntry.getName());
                org.apache.aries.util.io.IOUtils.writeOut(new File(REPO_LOCATION), outputName, is);
                if (isFeatureFile(curEntry)) {
                    featureLocation = outputName;
                }
            } catch (IOException e) {
                LOGGER.warn("Could not write out file.", e);
            }
        }
    }
    return featureLocation;
}

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From source file:com.vmware.admiral.closures.util.ClosureUtils.java

private static void buildTarData(URL dirURL, String folderNameFilter, OutputStream outputStream)
        throws IOException {
    final JarURLConnection jarConnection = (JarURLConnection) dirURL.openConnection();
    final ZipFile jar = jarConnection.getJarFile();
    final Enumeration<? extends ZipEntry> entries = jar.entries();

    try (TarArchiveOutputStream tarArchiveOutputStream = buildTarStream(outputStream)) {
        while (entries.hasMoreElements()) {
            final ZipEntry entry = entries.nextElement();
            final String name = entry.getName();
            if (!name.startsWith(folderNameFilter)) {
                // entry in wrong subdir -- don't copy
                continue;
            }//  w  w  w.  j  ava2s .c  o  m
            TarArchiveEntry tarEntry = new TarArchiveEntry(entry.getName().replaceAll(folderNameFilter, ""));
            try (InputStream is = jar.getInputStream(entry)) {
                putTarEntry(tarArchiveOutputStream, tarEntry, is, entry.getSize());
            }
        }

        tarArchiveOutputStream.flush();
        tarArchiveOutputStream.close();
    }
}

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From source file:net.sourceforge.pmd.util.FileUtil.java

private static List<DataSource> collect(List<DataSource> dataSources, String fileLocation,
        FilenameFilter filenameFilter) {
    File file = new File(fileLocation);
    if (!file.exists()) {
        throw new RuntimeException("File " + file.getName() + " doesn't exist");
    }/*from   w w  w  .  java 2  s  .co  m*/
    if (!file.isDirectory()) {
        if (fileLocation.endsWith(".zip") || fileLocation.endsWith(".jar")) {
            ZipFile zipFile;
            try {
                zipFile = new ZipFile(fileLocation);
                Enumeration<? extends ZipEntry> e = zipFile.entries();
                while (e.hasMoreElements()) {
                    ZipEntry zipEntry = e.nextElement();
                    if (filenameFilter.accept(null, zipEntry.getName())) {
                        dataSources.add(new ZipDataSource(zipFile, zipEntry));
                    }
                }
            } catch (IOException ze) {
                throw new RuntimeException("Archive file " + file.getName() + " can't be opened");
            }
        } else {
            dataSources.add(new FileDataSource(file));
        }
    } else {
        // Match files, or directories which are not excluded.
        // FUTURE Make the excluded directories be some configurable option
        Filter<File> filter = new OrFilter<>(Filters.toFileFilter(filenameFilter),
                new AndFilter<>(Filters.getDirectoryFilter(), Filters.toNormalizedFileFilter(
                        Filters.buildRegexFilterExcludeOverInclude(null, Collections.singletonList("SCCS")))));
        FileFinder finder = new FileFinder();
        List<File> files = finder.findFilesFrom(file, Filters.toFilenameFilter(filter), true);
        for (File f : files) {
            dataSources.add(new FileDataSource(f));
        }
    }
    return dataSources;
}

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From source file:nl.knaw.dans.common.lang.file.UnzipUtil.java

private static List<File> extract(final File zipFile, final String destPath, final UnzipListener unzipListener)
        throws FileNotFoundException, ZipException, IOException {
    final ZipInputStream zis = new ZipInputStream(new BufferedInputStream(new FileInputStream(zipFile)));

    // get total uncompressed size of zip file
    final ZipFile zf = new ZipFile(zipFile);
    final Enumeration<? extends ZipEntry> e = zf.entries();
    long totSize = 0;
    int totFiles = 0;
    while (e.hasMoreElements()) {
        final ZipEntry ze = (ZipEntry) e.nextElement();
        totSize += ze.getSize();//from w  w  w.  ja  va 2s. c om
        totFiles++;
    }
    zf.close();

    return extract(zis, destPath, totFiles, unzipListener, totSize);
}

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From source file:com.eviware.soapui.integration.exporter.ProjectExporter.java

public static List<String> getZipContents(String archive) {
    List<String> contents = new ArrayList<String>();

    try {/* w  w w.  j a  v  a2 s.c  o m*/
        ZipFile zipFile = new ZipFile(archive);
        for (Enumeration<? extends ZipEntry> em1 = zipFile.entries(); em1.hasMoreElements();) {
            contents.add(em1.nextElement().toString());
        }
    } catch (ZipException ze) {
        SoapUI.logError(ze);
    } catch (IOException e) {
        SoapUI.logError(e);
    }

    return contents;
}

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