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

Introduction

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

Prototype

public InputStream getInputStream(ZipArchiveEntry ze) throws IOException, ZipException

Source Link

Document

Returns an InputStream for reading the contents of the given entry.

Usage

From source file:org.yes.cart.utils.impl.ZipUtils.java

private void unzipEntry(final ZipFile zipfile, final ZipArchiveEntry entry, final File outputDir)
        throws IOException {

    if (entry.isDirectory()) {
        createDir(new File(outputDir, entry.getName()));
        return;//  w  w  w  . j  av a  2  s.  co  m
    }

    File outputFile = new File(outputDir, entry.getName());
    if (!outputFile.getParentFile().exists()) {
        createDir(outputFile.getParentFile());
    }

    BufferedInputStream inputStream = new BufferedInputStream(zipfile.getInputStream(entry));
    BufferedOutputStream outputStream = new BufferedOutputStream(new FileOutputStream(outputFile));

    try {
        IOUtils.copy(inputStream, outputStream);
    } finally {
        outputStream.close();
        inputStream.close();
    }
}

From source file:uk.nhs.cfh.dsp.srth.distribution.FileDownloader.java

private void extractZipFileContents(File file) {
    Enumeration entries;/*from w  w  w.j a va  2s  . c  om*/

    try {
        logger.info("Extracting zip file contents...");
        ZipFile zipFile = new ZipFile(file);

        entries = zipFile.getEntries();

        while (entries.hasMoreElements()) {
            ZipArchiveEntry entry = (ZipArchiveEntry) entries.nextElement();

            if (entry.isDirectory()) {

                logger.info("Extracting directory: " + entry.getName());
                File dir = new File(file.getParent(), entry.getName());
                boolean canWrite = dir.exists();
                if (!canWrite) {
                    canWrite = dir.mkdir();
                }

                if (canWrite) {
                    continue;
                } else {
                    logger.warning("Error creating directory during extraction");
                }
            }

            logger.info("Extracting file: " + entry.getName());
            copyInputStream(zipFile.getInputStream(entry), new BufferedOutputStream(
                    new FileOutputStream(new File(file.getParent(), entry.getName()))));
        }

        zipFile.close();
        logger.info("Closed zip file.");
    } catch (IOException e) {
        logger.warning("Nested exception is : " + e.fillInStackTrace());
    }
}