Example usage for java.util.zip GZIPOutputStream write

Introduction

In this page you can find the example usage for java.util.zip GZIPOutputStream write.

Prototype

public synchronized void write(byte[] buf, int off, int len) throws IOException 

Source Link

Document

Writes array of bytes to the compressed output stream.

Usage

From source file:com.navercorp.pinpoint.web.filter.Base64.java

public static String encodeBytes(byte[] source, int off, int len, int options) {
    if ((options & 2) == 2) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gzos = null;

        String var33;
        try {//ww  w . j  a  v a 2  s  . co m
            gzos = new GZIPOutputStream(new Base64.Base64OutputStream(baos, 1 | options));
            gzos.write(source, off, len);
            gzos.close();
            gzos = null;
            String var32 = new String(baos.toByteArray(), "UTF-8");
            return var32;
        } catch (UnsupportedEncodingException var27) {
            var33 = new String(baos.toByteArray());
        } catch (IOException var28) {
            LOG.error("error encoding byte array", var28);
            var33 = null;
            return var33;
        } finally {
            if (gzos != null) {
                try {
                    gzos.close();
                } catch (Exception var25) {
                    LOG.error("error closing GZIPOutputStream", var25);
                }
            }

            try {
                baos.close();
            } catch (Exception var24) {
                LOG.error("error closing ByteArrayOutputStream", var24);
            }

        }

        return var33;
    } else {
        boolean breakLines = (options & 8) == 0;
        int len43 = len * 4 / 3;
        byte[] outBuff = new byte[len43 + (len % 3 > 0 ? 4 : 0) + (breakLines ? len43 / 76 : 0)];
        int d = 0;
        int e = 0;
        int len2 = len - 2;

        for (int lineLength = 0; d < len2; e += 4) {
            encode3to4(source, d + off, 3, outBuff, e, options);
            lineLength += 4;
            if (breakLines && lineLength == 76) {
                outBuff[e + 4] = 10;
                ++e;
                lineLength = 0;
            }

            d += 3;
        }

        if (d < len) {
            encode3to4(source, d + off, len - d, outBuff, e, options);
            e += 4;
        }

        try {
            return new String(outBuff, 0, e, "UTF-8");
        } catch (UnsupportedEncodingException var26) {
            return new String(outBuff, 0, e);
        }
    }
}

---

From source file:com.hbs.common.josn.JSONUtil.java

public static void writeJSONToResponse(HttpServletResponse response, String encoding, boolean wrapWithComments,
        String serializedJSON, boolean smd, boolean gzip, String contentType) throws IOException {
    String json = serializedJSON == null ? "" : serializedJSON;
    if (wrapWithComments) {
        StringBuilder sb = new StringBuilder("/* ");
        sb.append(json);/* ww  w  .j  av a 2  s  . c om*/
        sb.append(" */");
        json = sb.toString();
    }
    if (log.isDebugEnabled()) {
        log.debug("[JSON]" + json);
    }

    if (contentType == null) {
        contentType = "application/json";
    }
    response.setContentType((smd ? "application/json-rpc;charset=" : contentType + ";charset=") + encoding);
    if (gzip) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes());
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(encoding).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

---

From source file:com.googlecode.jsonplugin.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (TextUtils.stringSet(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (TextUtils.stringSet(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (TextUtils.stringSet(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (log.isDebugEnabled()) {
        log.debug("[JSON]" + json);
    }//from  w w w  . j  a  v a2  s. c o  m

    HttpServletResponse response = serializationParams.getResponse();

    //status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    //content type
    if (serializationParams.isSmd())
        response.setContentType("application/json-rpc;charset=" + serializationParams.getEncoding());
    else
        response.setContentType(
                serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes());
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

---

From source file:com.zotoh.core.io.StreamUte.java

/**
 * @param bits/*ww  w  . j a va 2  s. c  om*/
 * @return
 * @throws IOException
 */
public static byte[] gzip(byte[] bits) throws IOException {

    ByteOStream baos = new ByteOStream();
    GZIPOutputStream g = new GZIPOutputStream(baos);

    if (bits != null && bits.length > 0) {
        g.write(bits, 0, bits.length);
        g.close();
    }

    return baos.asBytes();
}

---

From source file:packjacket.StaticUtils.java

/**
 * GZips the main log file/* w w  w.  j  a  v a  2  s  . c o  m*/
 * @return the gzipped file
 * @throws IOException if any I/O error occurs
 */
public static File gzipLog() throws IOException {
    //Write out buffer of log file
    RunnerClass.nfh.flush();
    //Initialize log and gzip-log files
    File log = new File(RunnerClass.homedir + "pj.log");
    GZIPOutputStream out = new GZIPOutputStream(
            new FileOutputStream(new File(log.getCanonicalPath() + ".pjl")));
    FileInputStream in = new FileInputStream(log);

    //How many bytes to copy with each incrmental copy of file.
    int bufferSize = 4 * 1024;

    //Buffer into which data is read from source file
    byte[] buffer = new byte[bufferSize];
    //How many bytes read so far
    int bytesRead;
    //Runs until no bytes left to read from source
    while ((bytesRead = in.read(buffer)) >= 0)
        out.write(buffer, 0, bytesRead);
    //Close streams
    out.close();
    in.close();

    return new File(log.getCanonicalPath() + ".pjl");
}

---

From source file:org.apache.drill.exec.vector.complex.writer.TestJsonReader.java

License:asdf

public static void gzipIt(File sourceFile) throws IOException {

    // modified from: http://www.mkyong.com/java/how-to-compress-a-file-in-gzip-format/
    byte[] buffer = new byte[1024];
    GZIPOutputStream gzos = new GZIPOutputStream(new FileOutputStream(sourceFile.getPath() + ".gz"));

    FileInputStream in = new FileInputStream(sourceFile);

    int len;/*from  w  w  w . j  a v a 2  s .  c  o  m*/
    while ((len = in.read(buffer)) > 0) {
        gzos.write(buffer, 0, len);
    }
    in.close();
    gzos.finish();
    gzos.close();
}

---

From source file:org.apache.myfaces.shared.util.StateUtils.java

public static final byte[] compress(byte[] bytes) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {/*from   w  w  w .j av a 2s .  c  o m*/
        GZIPOutputStream gzip = new GZIPOutputStream(baos);
        gzip.write(bytes, 0, bytes.length);
        gzip.finish();
        byte[] fewerBytes = baos.toByteArray();
        gzip.close();
        baos.close();
        gzip = null;
        baos = null;
        return fewerBytes;
    } catch (IOException e) {
        throw new FacesException(e);
    }
}

---

From source file:com.wattzap.model.social.SelfLoopsAPI.java

public static int uploadActivity(String email, String passWord, String fileName, String note)
        throws IOException {
    JSONObject jsonObj = null;// ww w  . j a  v  a2 s .  c  o m

    FileInputStream in = null;
    GZIPOutputStream out = null;
    CloseableHttpClient httpClient = HttpClients.createDefault();
    try {
        HttpPost httpPost = new HttpPost(url);
        httpPost.setHeader("enctype", "multipart/mixed");

        in = new FileInputStream(fileName);
        // Create stream to compress data and write it to the to file.
        ByteArrayOutputStream obj = new ByteArrayOutputStream();
        out = new GZIPOutputStream(obj);

        // Copy bytes from one stream to the other
        byte[] buffer = new byte[4096];
        int bytes_read;
        while ((bytes_read = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytes_read);
        }
        out.close();
        in.close();

        ByteArrayBody bin = new ByteArrayBody(obj.toByteArray(), ContentType.create("application/x-gzip"),
                fileName);
        HttpEntity reqEntity = MultipartEntityBuilder.create()
                .addPart("email", new StringBody(email, ContentType.TEXT_PLAIN))
                .addPart("pw", new StringBody(passWord, ContentType.TEXT_PLAIN)).addPart("tcxfile", bin)
                .addPart("note", new StringBody(note, ContentType.TEXT_PLAIN)).build();

        httpPost.setEntity(reqEntity);

        CloseableHttpResponse response = null;
        try {
            response = httpClient.execute(httpPost);
            int code = response.getStatusLine().getStatusCode();
            switch (code) {
            case 200:

                HttpEntity respEntity = response.getEntity();

                if (respEntity != null) {
                    // EntityUtils to get the response content
                    String content = EntityUtils.toString(respEntity);
                    //System.out.println(content);
                    JSONParser jsonParser = new JSONParser();
                    jsonObj = (JSONObject) jsonParser.parse(content);
                }

                break;
            case 403:
                throw new RuntimeException(
                        "Authentification failure " + email + " " + response.getStatusLine());
            default:
                throw new RuntimeException("Error " + code + " " + response.getStatusLine());
            }
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } finally {
            if (response != null) {
                response.close();
            }
        }

        int activityId = ((Long) jsonObj.get("activity_id")).intValue();

        // parse error code
        int error = ((Long) jsonObj.get("error_code")).intValue();
        if (activityId == -1) {
            String message = (String) jsonObj.get("message");
            switch (error) {
            case 102:
                throw new RuntimeException("Empty TCX file " + fileName);
            case 103:
                throw new RuntimeException("Invalide TCX Format " + fileName);
            case 104:
                throw new RuntimeException("TCX Already Present " + fileName);
            case 105:
                throw new RuntimeException("Invalid XML " + fileName);
            case 106:
                throw new RuntimeException("invalid compression algorithm");
            case 107:
                throw new RuntimeException("Invalid file mime types");
            default:
                throw new RuntimeException(message + " " + error);
            }
        }

        return activityId;
    } finally {
        if (in != null) {
            in.close();
        }
        if (out != null) {
            out.close();
        }
        httpClient.close();
    }
}

---

From source file:com.wxxr.nirvana.json.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (StringUtils.isNotBlank(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (StringUtils.isNotBlank(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (StringUtils.isNotBlank(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (LOG.isDebugEnabled()) {
        LOG.debug("[JSON]" + json);
    }//from   w  w w  . j  a  va2  s .  co  m

    HttpServletResponse response = serializationParams.getResponse();

    // status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    // content type
    response.setContentType(
            serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes(serializationParams.getEncoding()));
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

---

From source file:com.struts2ext.json.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (StringUtils.isNotBlank(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (StringUtils.isNotBlank(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (StringUtils.isNotBlank(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (LOG.isDebugEnabled()) {
        LOG.debug("[JSON]" + json);
    }//ww  w. ja v a  2s  .  co  m

    HttpServletResponse response = serializationParams.getResponse();

    // status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    // content type
    if (serializationParams.isSmd())
        response.setContentType("application/json-rpc;charset=" + serializationParams.getEncoding());
    else
        response.setContentType(
                serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes(serializationParams.getEncoding()));
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• »