Examples with GZIPOutputStream java.util.zip.GZIPOutputStream used on opensource projects

Example 76 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project spring-framework by spring-projects.

the class GzipResourceResolverTests method createGzFile.

private static void createGzFile(String filePath) throws IOException {
    Resource location = new ClassPathResource("test/", GzipResourceResolverTests.class);
    Resource fileResource = new FileSystemResource(location.createRelative(filePath).getFile());
    Path gzFilePath = Paths.get(fileResource.getFile().getAbsolutePath() + ".gz");
    Files.deleteIfExists(gzFilePath);
    File gzFile = Files.createFile(gzFilePath).toFile();
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream(gzFile));
    FileCopyUtils.copy(fileResource.getInputStream(), out);
    gzFile.deleteOnExit();
}

Example 77 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project camel by apache.

the class GZIPHelper method compressGzip.

public static InputStream compressGzip(String contentEncoding, InputStream in) throws IOException {
    if (isGzip(contentEncoding)) {
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        GZIPOutputStream gzip = new GZIPOutputStream(os);
        try {
            IOHelper.copy(in, gzip);
            gzip.finish();
            return new ByteArrayInputStream(os.toByteArray());
        } finally {
            IOHelper.close(gzip, "gzip");
            IOHelper.close(os, "byte array output stream");
        }
    } else {
        return in;
    }
}

Example 78 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project camel by apache.

the class GZIPHelper method compressGZIP.

public static byte[] compressGZIP(byte[] data) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(os);
    try {
        gzip.write(data);
        gzip.finish();
        return os.toByteArray();
    } finally {
        IOHelper.close(gzip, "gzip");
        IOHelper.close(os, "byte array output stream");
    }
}

Example 79 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project hutool by looly.

the class ZipUtil method gzip.

/**
 * Gzip压缩文件
 *
 * @param file 被压缩的文件
 * @return 压缩后的字节流
 * @throws UtilException IO异常
 */
public static byte[] gzip(File file) throws UtilException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream((int) file.length());
    GZIPOutputStream gos = null;
    BufferedInputStream in;
    try {
        gos = new GZIPOutputStream(bos);
        in = FileUtil.getInputStream(file);
        IoUtil.copy(in, gos);
        return bos.toByteArray();
    } catch (IOException e) {
        throw new UtilException(e);
    } finally {
        IoUtil.close(gos);
    }
}

Example 80 with GZIPOutputStream

use of java.util.zip.GZIPOutputStream in project frostwire by frostwire.

the class JdkHttpClient method post.

@Override
public String post(String url, int timeout, String userAgent, String content, String postContentType, boolean gzip) throws IOException {
    String result = null;
    canceled = false;
    final URL u = new URL(url);
    final HttpURLConnection conn = (HttpURLConnection) u.openConnection();
    conn.setDoOutput(true);
    conn.setConnectTimeout(timeout);
    conn.setReadTimeout(timeout);
    conn.setRequestProperty("User-Agent", userAgent);
    conn.setInstanceFollowRedirects(false);
    if (conn instanceof HttpsURLConnection) {
        setHostnameVerifier((HttpsURLConnection) conn);
    }
    byte[] data = content.getBytes("UTF-8");
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", postContentType);
    conn.setRequestProperty("charset", "utf-8");
    conn.setUseCaches(false);
    ByteArrayInputStream in = new ByteArrayInputStream(data);
    try {
        OutputStream out;
        if (gzip) {
            out = new GZIPOutputStream(conn.getOutputStream());
        } else {
            out = conn.getOutputStream();
        }
        byte[] b = new byte[4096];
        int n;
        while (!canceled && (n = in.read(b, 0, b.length)) != -1) {
            if (!canceled) {
                out.write(b, 0, n);
                out.flush();
                onData(b, 0, n);
            }
        }
        closeQuietly(out);
        conn.connect();
        int httpResponseCode = getResponseCode(conn);
        if (httpResponseCode != HttpURLConnection.HTTP_OK && httpResponseCode != HttpURLConnection.HTTP_PARTIAL) {
            throw new ResponseCodeNotSupportedException(httpResponseCode);
        }
        if (canceled) {
            onCancel();
        } else {
            BufferedInputStream bis = new BufferedInputStream(conn.getInputStream(), 4096);
            ByteArrayBuffer baf = new ByteArrayBuffer(1024);
            byte[] buffer = new byte[64];
            int read;
            while (true) {
                read = bis.read(buffer);
                if (read == -1) {
                    break;
                }
                baf.append(buffer, 0, read);
            }
            result = new String(baf.toByteArray());
            onComplete();
        }
    } catch (Exception e) {
        onError(e);
    } finally {
        closeQuietly(in);
        closeQuietly(conn);
    }
    return result;
}