Examples with ZipFile org.apache.tools.zip.ZipFile used on opensource projects

Example 1 with ZipFile

use of org.apache.tools.zip.ZipFile in project gradle by gradle.

the class ZipFileTree method visit.

public void visit(FileVisitor visitor) {
    if (!zipFile.exists()) {
        throw new InvalidUserDataException(String.format("Cannot expand %s as it does not exist.", getDisplayName()));
    }
    if (!zipFile.isFile()) {
        throw new InvalidUserDataException(String.format("Cannot expand %s as it is not a file.", getDisplayName()));
    }
    AtomicBoolean stopFlag = new AtomicBoolean();
    try {
        ZipFile zip = new ZipFile(zipFile);
        try {
            // The iteration order of zip.getEntries() is based on the hash of the zip entry. This isn't much use
            // to us. So, collect the entries in a map and iterate over them in alphabetical order.
            Map<String, ZipEntry> entriesByName = new TreeMap<String, ZipEntry>();
            Enumeration entries = zip.getEntries();
            while (entries.hasMoreElements()) {
                ZipEntry entry = (ZipEntry) entries.nextElement();
                entriesByName.put(entry.getName(), entry);
            }
            Iterator<ZipEntry> sortedEntries = entriesByName.values().iterator();
            while (!stopFlag.get() && sortedEntries.hasNext()) {
                ZipEntry entry = sortedEntries.next();
                if (entry.isDirectory()) {
                    visitor.visitDir(new DetailsImpl(entry, zip, stopFlag, chmod));
                } else {
                    visitor.visitFile(new DetailsImpl(entry, zip, stopFlag, chmod));
                }
            }
        } finally {
            zip.close();
        }
    } catch (Exception e) {
        throw new GradleException(String.format("Could not expand %s.", getDisplayName()), e);
    }
}

Example 2 with ZipFile

use of org.apache.tools.zip.ZipFile in project libresonic by Libresonic.

the class UploadController method unzip.

private void unzip(File file, List<File> unzippedFiles) throws Exception {
    LOG.info("Unzipping " + file);
    ZipFile zipFile = new ZipFile(file);
    try {
        Enumeration<?> entries = zipFile.getEntries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            File entryFile = new File(file.getParentFile(), entry.getName());
            if (!entry.isDirectory()) {
                if (!securityService.isUploadAllowed(entryFile)) {
                    throw new Exception("Permission denied: " + StringUtil.toHtml(entryFile.getPath()));
                }
                entryFile.getParentFile().mkdirs();
                InputStream inputStream = null;
                OutputStream outputStream = null;
                try {
                    inputStream = zipFile.getInputStream(entry);
                    outputStream = new FileOutputStream(entryFile);
                    byte[] buf = new byte[8192];
                    while (true) {
                        int n = inputStream.read(buf);
                        if (n == -1) {
                            break;
                        }
                        outputStream.write(buf, 0, n);
                    }
                    LOG.info("Unzipped " + entryFile);
                    unzippedFiles.add(entryFile);
                } finally {
                    IOUtils.closeQuietly(inputStream);
                    IOUtils.closeQuietly(outputStream);
                }
            }
        }
        zipFile.close();
        file.delete();
    } finally {
        zipFile.close();
    }
}

Example 3 with ZipFile

use of org.apache.tools.zip.ZipFile in project tdi-studio-se by Talend.

the class ZipFileUtils method unZipFile.

private static void unZipFile(File destFile, ZipFile zipFile, ZipEntry entry) throws IOException {
    InputStream inputStream;
    FileOutputStream fileOut;
    if (entry.isDirectory()) {
        destFile.mkdirs();
    } else {
        File parent = destFile.getParentFile();
        if (parent != null && !parent.exists()) {
            parent.mkdirs();
        }
        inputStream = zipFile.getInputStream(entry);
        fileOut = new FileOutputStream(destFile);
        byte[] buf = new byte[bufSize];
        int readedBytes;
        while ((readedBytes = inputStream.read(buf)) > 0) {
            fileOut.write(buf, 0, readedBytes);
        }
        fileOut.close();
        inputStream.close();
    }
}

Example 4 with ZipFile

use of org.apache.tools.zip.ZipFile in project tdi-studio-se by Talend.

the class ZipFileUtils method unZip.

public static String unZip(String unZipFileName, String destFileName) {
    File unzipFile = new File(unZipFileName);
    if (destFileName == null || destFileName.trim().length() == 0) {
        destFileName = unzipFile.getParent();
    }
    File destFile;
    ZipFile zipFile = null;
    try {
        zipFile = new ZipFile(unzipFile, "GBK");
        for (Enumeration entries = zipFile.getEntries(); entries.hasMoreElements(); ) {
            ZipEntry entry = (ZipEntry) entries.nextElement();
            destFile = new File(destFileName, entry.getName());
            unZipFile(destFile, zipFile, entry);
        }
    } catch (Exception e) {
        ExceptionHandler.process(e);
        return e.getMessage();
    } finally {
        try {
            assert zipFile != null;
            zipFile.close();
        } catch (Exception e) {
            ExceptionHandler.process(e);
        }
    }
    return null;
}