Example usage for org.apache.commons.compress.archivers.zip ZipFile getEntries

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.zip ZipFile getEntries.

Prototype

public Enumeration getEntries() 

Source Link

Document

Returns all entries.

Usage

From source file:de.nx42.maps4cim.util.Compression.java

/**
 * Reads the first file entry in a zip file and returns it's contents
 * as uncompressed byte-array/*from w ww.  java 2s.  co m*/
 * @param zipFile the zip file to read from
 * @return the first file entry (uncompressed)
 * @throws IOException if there is an error accessing the zip file
 */
public static byte[] readFirstZipEntry(File zipFile) throws IOException {
    // open zip
    ZipFile zf = new ZipFile(zipFile);
    Enumeration<ZipArchiveEntry> entries = zf.getEntries();

    // read first entry to byte[]
    ZipArchiveEntry entry = entries.nextElement();
    InputStream is = zf.getInputStream(entry);
    byte[] raw = ByteStreams.toByteArray(is);

    // close all streams and return byte[]
    is.close();
    zf.close();
    return raw;
}

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From source file:de.nx42.maps4cim.util.Compression.java

/**
 * Reads the first file entry in a zip file and writes it in uncompressed
 * form to the desired file.// w ww  . ja va  2  s.co m
 * @param zipFile the zip file to read from
 * @param dest the file to write the first zip file entry to
 * @return same as destination
 * @throws IOException if there is an error accessing the zip file or the
 * destination file
 */
public static File readFirstZipEntry(File zipFile, File dest) throws IOException {
    // open zip and get first entry
    ZipFile zf = new ZipFile(zipFile);
    Enumeration<ZipArchiveEntry> entries = zf.getEntries();
    ZipArchiveEntry entry = entries.nextElement();

    // write to file
    InputStream in = zf.getInputStream(entry);
    OutputStream out = new FileOutputStream(dest);
    ByteStreams.copy(in, out);

    // close all streams and return the new file
    in.close();
    out.close();
    zf.close();
    return dest;
}

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From source file:com.android.tradefed.util.ZipUtil2.java

/**
 * Utility method to extract entire contents of zip file into given directory
 *
 * @param zipFile the {@link ZipFile} to extract
 * @param destDir the local dir to extract file to
 * @throws IOException if failed to extract file
 */// ww  w. jav  a 2 s .  co  m
public static void extractZip(ZipFile zipFile, File destDir) throws IOException {
    Enumeration<? extends ZipArchiveEntry> entries = zipFile.getEntries();
    while (entries.hasMoreElements()) {
        ZipArchiveEntry entry = entries.nextElement();
        File childFile = new File(destDir, entry.getName());
        childFile.getParentFile().mkdirs();
        if (entry.isDirectory()) {
            childFile.mkdirs();
            applyUnixModeIfNecessary(entry, childFile);
            continue;
        } else {
            FileUtil.writeToFile(zipFile.getInputStream(entry), childFile);
            applyUnixModeIfNecessary(entry, childFile);
        }
    }
}

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From source file:com.hw.util.CompressUtils.java

private static void unzipFolder(File uncompressFile, File descPathFile, boolean override) {

    ZipFile zipFile = null;
    try {/*w w  w .j a v a  2  s . c  o m*/
        zipFile = new ZipFile(uncompressFile, "GBK");

        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry zipEntry = entries.nextElement();
            String name = zipEntry.getName();
            name = name.replace("\\", "/");

            File currentFile = new File(descPathFile, name);

            //? 
            if (currentFile.isFile() && currentFile.exists() && !override) {
                continue;
            }

            if (name.endsWith("/")) {
                currentFile.mkdirs();
                continue;
            } else {
                currentFile.getParentFile().mkdirs();
            }

            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(currentFile);
                InputStream is = zipFile.getInputStream(zipEntry);
                IOUtils.copy(is, fos);
            } finally {
                IOUtils.closeQuietly(fos);
            }
        }
    } catch (IOException e) {
        throw new RuntimeException("", e);
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
            }
        }
    }

}

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From source file:com.amazonaws.codepipeline.jenkinsplugin.ExtractionTools.java

private static void extractZipFile(final File destination, final ZipFile zipFile) throws IOException {
    final Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();

    while (entries.hasMoreElements()) {
        final ZipArchiveEntry entry = entries.nextElement();
        final File entryDestination = getDestinationFile(destination, entry.getName());

        if (entry.isDirectory()) {
            entryDestination.mkdirs();/*from w w  w .  jav a 2  s . co  m*/
        } else {
            entryDestination.getParentFile().mkdirs();
            final InputStream in = zipFile.getInputStream(entry);
            try (final OutputStream out = new FileOutputStream(entryDestination)) {
                IOUtils.copy(in, out);
                IOUtils.closeQuietly(in);
            }
        }
    }
}

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From source file:com.daphne.es.maintain.editor.web.controller.utils.CompressUtils.java

@SuppressWarnings("unchecked")
private static void unzipFolder(File uncompressFile, File descPathFile, boolean override) {

    ZipFile zipFile = null;
    try {//from   w w w . j a va2s  .c om
        zipFile = new ZipFile(uncompressFile, "GBK");

        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry zipEntry = entries.nextElement();
            String name = zipEntry.getName();
            name = name.replace("\\", "/");

            File currentFile = new File(descPathFile, name);

            //? 
            if (currentFile.isFile() && currentFile.exists() && !override) {
                continue;
            }

            if (name.endsWith("/")) {
                currentFile.mkdirs();
                continue;
            } else {
                currentFile.getParentFile().mkdirs();
            }

            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(currentFile);
                InputStream is = zipFile.getInputStream(zipEntry);
                IOUtils.copy(is, fos);
            } finally {
                IOUtils.closeQuietly(fos);
            }
        }
    } catch (IOException e) {
        throw new RuntimeException("", e);
    } finally {
        if (zipFile != null) {
            try {
                zipFile.close();
            } catch (IOException e) {
            }
        }
    }

}

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From source file:com.mirth.connect.util.ArchiveUtils.java

/**
 * Extracts folders/files from a zip archive using zip-optimized code from commons-compress.
 *///  w ww  .  j av a 2  s  .c om
private static void extractZipArchive(File archiveFile, File destinationFolder) throws CompressException {
    ZipFile zipFile = null;

    try {
        zipFile = new ZipFile(archiveFile);
        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        ZipArchiveEntry entry = null;
        byte[] buffer = new byte[BUFFER_SIZE];

        for (; entries.hasMoreElements(); entry = entries.nextElement()) {
            File outputFile = new File(
                    destinationFolder.getAbsolutePath() + IOUtils.DIR_SEPARATOR + entry.getName());

            if (entry.isDirectory()) {
                FileUtils.forceMkdir(outputFile);
            } else {
                InputStream inputStream = zipFile.getInputStream(entry);
                OutputStream outputStream = FileUtils.openOutputStream(outputFile);

                try {
                    IOUtils.copyLarge(inputStream, outputStream, buffer);
                } finally {
                    IOUtils.closeQuietly(inputStream);
                    IOUtils.closeQuietly(outputStream);
                }
            }
        }
    } catch (Exception e) {
        throw new CompressException(e);
    } finally {
        ZipFile.closeQuietly(zipFile);
    }
}

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From source file:mj.ocraptor.extraction.tika.parser.pkg.ZipContainerDetector.java

private static MediaType detectKmz(ZipFile zip) {
    boolean kmlFound = false;

    Enumeration<ZipArchiveEntry> entries = zip.getEntries();
    while (entries.hasMoreElements()) {
        ZipArchiveEntry entry = entries.nextElement();
        String name = entry.getName();
        if (!entry.isDirectory() && name.indexOf('/') == -1 && name.indexOf('\\') == -1) {
            if (name.endsWith(".kml") && !kmlFound) {
                kmlFound = true;/*from   w  ww .j a  va 2  s. c o m*/
            } else {
                return null;
            }
        }
    }

    if (kmlFound) {
        return MediaType.application("vnd.google-earth.kmz");
    } else {
        return null;
    }
}

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From source file:com.asakusafw.shafu.core.util.IoUtils.java

/**
 * Extracts a {@code *.zip} archive into the target folder.
 * @param monitor the progress monitor/*  w ww. ja  v a  2s.c  om*/
 * @param archiveFile the archive file
 * @param targetDirectory the target folder
 * @throws IOException if failed to extract the archive
 */
public static void extractZip(IProgressMonitor monitor, File archiveFile, File targetDirectory)
        throws IOException {
    SubMonitor sub = SubMonitor.convert(monitor, Messages.IoUtils_monitorExtractZip, 10);
    try {
        ZipFile zip = new ZipFile(archiveFile);
        try {
            Enumeration<ZipArchiveEntry> entries = zip.getEntries();
            while (entries.hasMoreElements()) {
                ZipArchiveEntry entry = entries.nextElement();
                if (entry.isDirectory()) {
                    createDirectory(targetDirectory, entry);
                } else {
                    InputStream input = zip.getInputStream(entry);
                    try {
                        File file = createFile(targetDirectory, entry, input);
                        setFileMode(file, entry.getUnixMode());
                    } finally {
                        input.close();
                    }
                    sub.worked(1);
                    sub.setWorkRemaining(10);
                }
            }
        } finally {
            zip.close();
        }
    } finally {
        if (monitor != null) {
            monitor.done();
        }
    }
}

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From source file:com.silverpeas.util.ZipManager.java

/**
 * Indicates the number of files (not directories) inside the archive.
 *
 * @param archive the archive whose content is analyzed.
 * @return the number of files (not directories) inside the archive.
 *//*w  ww.ja  v a 2  s.c  o m*/
public static int getNbFiles(File archive) {
    ZipFile zipFile = null;
    int nbFiles = 0;
    try {
        zipFile = new ZipFile(archive);
        @SuppressWarnings("unchecked")
        Enumeration<ZipArchiveEntry> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipArchiveEntry ze = entries.nextElement();
            if (!ze.isDirectory()) {
                nbFiles++;
            }
        }
    } catch (IOException ioe) {
        SilverTrace.warn("util", "ZipManager.getNbFiles()", "util.EXE_ERROR_WHILE_COUNTING_FILE",
                "sourceFile = " + archive.getPath(), ioe);
    } finally {
        if (zipFile != null) {
            ZipFile.closeQuietly(zipFile);
        }
    }
    return nbFiles;
}

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