Example usage for java.util.zip GZIPOutputStream close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Writes remaining compressed data to the output stream and closes the underlying stream.

Usage

From source file:com.parse.ParseOkHttpClientTest.java

@Test
public void testParseOkHttpClientExecuteWithExternalInterceptorAndGZIPResponse() throws Exception {
    // Make mock response
    Buffer buffer = new Buffer();
    final ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
    GZIPOutputStream gzipOut = new GZIPOutputStream(byteOut);
    gzipOut.write("content".getBytes());
    gzipOut.close();
    buffer.write(byteOut.toByteArray());
    MockResponse mockResponse = new MockResponse().setStatus("HTTP/1.1 " + 201 + " " + "OK").setBody(buffer)
            .setHeader("Content-Encoding", "gzip");

    // Start mock server
    server.enqueue(mockResponse);/*from w  w w  .  j ava 2s . com*/
    server.start();

    ParseHttpClient client = new ParseOkHttpClient(10000, null);

    final Semaphore done = new Semaphore(0);
    // Add plain interceptor to disable decompress response stream
    client.addExternalInterceptor(new ParseNetworkInterceptor() {
        @Override
        public ParseHttpResponse intercept(Chain chain) throws IOException {
            done.release();
            ParseHttpResponse parseResponse = chain.proceed(chain.getRequest());
            // Make sure the response we get from the interceptor is the raw gzip stream
            byte[] content = ParseIOUtils.toByteArray(parseResponse.getContent());
            assertArrayEquals(byteOut.toByteArray(), content);

            // We need to set a new stream since we have read it
            return new ParseHttpResponse.Builder().setContent(new ByteArrayInputStream(byteOut.toByteArray()))
                    .build();
        }
    });

    // We do not need to add Accept-Encoding header manually, httpClient library should do that.
    String requestUrl = server.getUrl("/").toString();
    ParseHttpRequest parseRequest = new ParseHttpRequest.Builder().setUrl(requestUrl)
            .setMethod(ParseHttpRequest.Method.GET).build();

    // Execute request
    ParseHttpResponse parseResponse = client.execute(parseRequest);

    // Make sure the response we get is ungziped by OkHttp library
    byte[] content = ParseIOUtils.toByteArray(parseResponse.getContent());
    assertArrayEquals("content".getBytes(), content);
    // Make sure interceptor is called
    assertTrue(done.tryAcquire(10, TimeUnit.SECONDS));

    server.shutdown();
}

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From source file:grails.plugin.cache.web.PageInfo.java

/**
 * @param ungzipped the bytes to be gzipped
 * @return gzipped bytes/*from   w  w w  . j a v a2s  .c  om*/
 */
protected byte[] gzip(byte[] ungzipped) throws IOException, AlreadyGzippedException {
    if (isGzipped(ungzipped)) {
        throw new AlreadyGzippedException("The byte[] is already gzipped. It should not be gzipped again.");
    }
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    GZIPOutputStream gzipOutputStream = new GZIPOutputStream(bytes);
    gzipOutputStream.write(ungzipped);
    gzipOutputStream.close();
    return bytes.toByteArray();
}

---

From source file:com.github.jasonruckman.gzip.AbstractBenchmark.java

private byte[] initializeSidney(JavaSid sid) {
    Writer<T> writer = sid.newWriter(token);

    try {// w ww  .  ja va 2s . c  om
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gzos = new GZIPOutputStream(baos);
        writer.open(gzos);
        for (T t : sampleData) {
            writer.write(t);
        }
        writer.close();
        gzos.close();
        return baos.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:com.github.jasonruckman.gzip.AbstractBenchmark.java

private void initializeKryo() {
    try {//from ww w  .  j  a va  2s  .c om
        Kryo kryo = new Kryo();
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        GZIPOutputStream gzos = new GZIPOutputStream(outputStream);
        Output o = output();
        o.setOutputStream(gzos);
        kryo.writeObject(o, sampleData);
        o.close();
        gzos.close();
        serializedKryoData = outputStream.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:org.apache.roller.weblogger.ui.core.filters.CompressionFilter.java

/** 
 * If browser does not support gzip, invoke resource normally. If browser 
 * does support gzip, set the Content-Encoding response header and invoke 
 * resource with a wrapped response that collects all the output. Extract 
 * the output and write it into a gzipped byte array. Finally, write that 
 * array to the client's output stream./*from w  w  w  . jav  a  2 s  . c om*/
 */
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws ServletException, IOException {

    HttpServletRequest req = (HttpServletRequest) request;
    HttpServletResponse res = (HttpServletResponse) response;

    if (!this.enabled || !isGzipSupported(req)) {
        // Invoke resource normally.
        chain.doFilter(req, res);
    } else {
        // Tell browser we are sending it gzipped data.
        res.setHeader("Content-Encoding", "gzip");

        // Invoke resource, accumulating output in the wrapper.
        ByteArrayResponseWrapper responseWrapper = new ByteArrayResponseWrapper(response);

        chain.doFilter(req, responseWrapper);

        ByteArrayOutputStream outputStream = responseWrapper.getByteArrayOutputStream();

        // Get character array representing output.
        log.debug("Pre-zip size:" + outputStream.size());

        // Make a writer that compresses data and puts
        // it into a byte array.
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
        GZIPOutputStream zipOut = new GZIPOutputStream(byteStream);

        // Compress original output and put it into byte array.
        zipOut.write(responseWrapper.getByteArrayOutputStream().toByteArray());

        // Gzip streams must be explicitly closed.
        zipOut.close();

        log.debug("Gzip size:" + byteStream.size());

        // Update the Content-Length header.
        res.setContentLength(byteStream.size());

        ByteArrayOutputStreamWrapper newOut = (ByteArrayOutputStreamWrapper) responseWrapper.getOutputStream();
        newOut.clear();
        newOut.setFinallized();

        /* now force close of OutputStream */
        newOut.write(byteStream.toByteArray());
        newOut.close();
    }

}

---

From source file:de.dentrassi.pm.deb.aspect.internal.RepoBuilder.java

private byte[] compressGzip(final byte[] data) throws IOException {
    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final GZIPOutputStream gos = new GZIPOutputStream(bos);

    gos.write(data);/*from w ww.ja v  a2  s.c om*/

    gos.close();
    return bos.toByteArray();
}

---

From source file:com.github.jasonruckman.gzip.AbstractBenchmark.java

protected byte[] doWriteKryo() {
    try {//from  w ww  .  j a va  2s  .com
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        GZIPOutputStream gzos = new GZIPOutputStream(baos);
        Output output = output();
        output.setOutputStream(gzos);
        kryo().writeObject(output, sampleData);
        output.close();
        gzos.close();
        return baos.toByteArray();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

---

From source file:org.sweble.wikitext.lazy.SerializationTest.java

private byte[] zip(byte[] serialized) throws IOException {
    ByteArrayOutputStream zipBaos = new ByteArrayOutputStream();

    GZIPOutputStream gzos = new GZIPOutputStream(zipBaos);
    gzos.write(serialized);//ww  w. ja  v a  2 s .c om
    gzos.close();

    return zipBaos.toByteArray();
}

---

From source file:com.panet.imeta.www.GetTransStatusServlet.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (!request.getContextPath().equals(CONTEXT_PATH))
        return;//from   ww w .  j a  v  a  2  s. c o m

    if (log.isDebug())
        log.logDebug(toString(), Messages.getString("TransStatusServlet.Log.TransStatusRequested"));

    String transName = request.getParameter("name");
    boolean useXML = "Y".equalsIgnoreCase(request.getParameter("xml"));

    response.setStatus(HttpServletResponse.SC_OK);

    if (useXML) {
        response.setContentType("text/xml");
        response.setCharacterEncoding(Const.XML_ENCODING);
    } else {
        response.setContentType("text/html");
    }

    PrintWriter out = response.getWriter();

    Trans trans = transformationMap.getTransformation(transName);

    if (trans != null) {
        String status = trans.getStatus();

        if (useXML) {
            response.setContentType("text/xml");
            response.setCharacterEncoding(Const.XML_ENCODING);
            out.print(XMLHandler.getXMLHeader(Const.XML_ENCODING));

            SlaveServerTransStatus transStatus = new SlaveServerTransStatus(transName, status);

            for (int i = 0; i < trans.nrSteps(); i++) {
                BaseStep baseStep = trans.getRunThread(i);
                if ((baseStep.isAlive()) || baseStep.getStatus() != StepDataInterface.STATUS_EMPTY) {
                    StepStatus stepStatus = new StepStatus(baseStep);
                    transStatus.getStepStatusList().add(stepStatus);
                }
            }

            Log4jStringAppender appender = (Log4jStringAppender) transformationMap.getAppender(transName);
            if (appender != null) {
                // The log can be quite large at times, we are going to put a base64 encoding around a compressed stream
                // of bytes to handle this one.

                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                GZIPOutputStream gzos = new GZIPOutputStream(baos);
                gzos.write(appender.getBuffer().toString().getBytes());
                gzos.close();

                String loggingString = new String(Base64.encodeBase64(baos.toByteArray()));
                transStatus.setLoggingString(loggingString);
            }

            // Also set the result object...
            //
            transStatus.setResult(trans.getResult());

            // Is the transformation paused?
            //
            transStatus.setPaused(trans.isPaused());

            // Send the result back as XML
            //
            out.println(transStatus.getXML());
        } else {
            response.setContentType("text/html");

            out.println("<HTML>");
            out.println("<HEAD>");
            out.println("<TITLE>" + Messages.getString("TransStatusServlet.KettleTransStatus") + "</TITLE>");
            out.println("<META http-equiv=\"Refresh\" content=\"10;url=/kettle/transStatus?name="
                    + URLEncoder.encode(transName, "UTF-8") + "\">");
            out.println("</HEAD>");
            out.println("<BODY>");
            out.println("<H1>" + Messages.getString("TransStatusServlet.TopTransStatus", transName) + "</H1>");

            try {
                out.println("<table border=\"1\">");
                out.print("<tr> <th>" + Messages.getString("TransStatusServlet.TransName") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.TransStatus") + "</th> </tr>");

                out.print("<tr>");
                out.print("<td>" + transName + "</td>");
                out.print("<td>" + status + "</td>");
                out.print("</tr>");
                out.print("</table>");

                out.print("<p>");

                if ((trans.isFinished() && trans.isRunning())
                        || (!trans.isRunning() && !trans.isPreparing() && !trans.isInitializing())) {
                    out.print("<a href=\"/kettle/startTrans?name=" + URLEncoder.encode(transName, "UTF-8")
                            + "\">" + Messages.getString("TransStatusServlet.StartTrans") + "</a>");
                    out.print("<p>");
                    out.print("<a href=\"/kettle/prepareExec?name=" + URLEncoder.encode(transName, "UTF-8")
                            + "\">" + Messages.getString("TransStatusServlet.PrepareTrans") + "</a><br>");
                    //out.print("<a href=\"/kettle/startExec?name="+URLEncoder.encode(transName, "UTF-8")+"\">" + Messages.getString("TransStatusServlet.StartTrans") + "</a><p>");
                } else if (trans.isRunning()) {
                    out.print("<a href=\"/kettle/pauseTrans?name=" + URLEncoder.encode(transName, "UTF-8")
                            + "\">" + Messages.getString("PauseStatusServlet.PauseResumeTrans") + "</a><br>");
                    out.print("<a href=\"/kettle/stopTrans?name=" + URLEncoder.encode(transName, "UTF-8")
                            + "\">" + Messages.getString("TransStatusServlet.StopTrans") + "</a>");
                    out.print("<p>");
                }
                out.print("<a href=\"/kettle/cleanupTrans?name=" + URLEncoder.encode(transName, "UTF-8") + "\">"
                        + Messages.getString("TransStatusServlet.CleanupTrans") + "</a>");
                out.print("<p>");

                out.println("<table border=\"1\">");
                out.print("<tr> <th>" + Messages.getString("TransStatusServlet.Stepname") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.CopyNr") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Read") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Written") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Input") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Output") + "</th> " + "<th>"
                        + Messages.getString("TransStatusServlet.Updated") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Rejected") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Errors") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Active") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.Time") + "</th> " + "<th>"
                        + Messages.getString("TransStatusServlet.Speed") + "</th> <th>"
                        + Messages.getString("TransStatusServlet.prinout") + "</th> </tr>");

                for (int i = 0; i < trans.nrSteps(); i++) {
                    BaseStep baseStep = trans.getRunThread(i);
                    if ((baseStep.isAlive()) || baseStep.getStatus() != StepDataInterface.STATUS_EMPTY) {
                        StepStatus stepStatus = new StepStatus(baseStep);
                        out.print(stepStatus.getHTMLTableRow());
                    }
                }
                out.println("</table>");
                out.println("<p>");

                out.print("<a href=\"/kettle/transStatus/?name=" + URLEncoder.encode(transName, "UTF-8")
                        + "&xml=y\">" + Messages.getString("TransStatusServlet.ShowAsXml") + "</a><br>");
                out.print("<a href=\"/kettle/status\">"
                        + Messages.getString("TransStatusServlet.BackToStatusPage") + "</a><br>");
                out.print("<p><a href=\"/kettle/transStatus?name=" + URLEncoder.encode(transName, "UTF-8")
                        + "\">" + Messages.getString("TransStatusServlet.Refresh") + "</a>");

                // Put the logging below that.
                Log4jStringAppender appender = (Log4jStringAppender) transformationMap.getAppender(transName);
                if (appender != null) {
                    out.println("<p>");
                    /*
                    out.println("<pre>");
                    out.println(appender.getBuffer().toString());
                    out.println("</pre>");
                    */
                    out.println(
                            "<textarea id=\"translog\" cols=\"120\" rows=\"20\" wrap=\"off\" name=\"Transformation log\" readonly=\"readonly\">"
                                    + appender.getBuffer().toString() + "</textarea>");

                    out.println("<script type=\"text/javascript\"> ");
                    out.println("  translog.scrollTop=translog.scrollHeight; ");
                    out.println("</script> ");
                    out.println("<p>");
                }
            } catch (Exception ex) {
                out.println("<p>");
                out.println("<pre>");
                ex.printStackTrace(out);
                out.println("</pre>");
            }

            out.println("<p>");
            out.println("</BODY>");
            out.println("</HTML>");
        }
    } else {
        if (useXML) {
            out.println(new WebResult(WebResult.STRING_ERROR,
                    Messages.getString("TransStatusServlet.Log.CoundNotFindSpecTrans", transName)));
        } else {
            out.println("<H1>" + Messages.getString("TransStatusServlet.Log.CoundNotFindTrans", transName)
                    + "</H1>");
            out.println("<a href=\"/kettle/status\">"
                    + Messages.getString("TransStatusServlet.BackToStatusPage") + "</a><p>");

        }
    }
}

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From source file:org.jabsorb.JSONRPCServlet.java

/**
 * Gzip something.//from   w  w w  .  j  a v  a  2 s .c  o m
 *
 * @param in original content
 * @return size gzipped content
 */
private byte[] gzip(byte[] in) {
    if (in != null && in.length > 0) {
        long tstart = System.currentTimeMillis();
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        try {
            GZIPOutputStream gout = new GZIPOutputStream(bout);
            gout.write(in);
            gout.flush();
            gout.close();
            if (log.isDebugEnabled()) {
                log.debug("gzipping took " + (System.currentTimeMillis() - tstart) + " msec");
            }
            return bout.toByteArray();
        } catch (IOException io) {
            log.error("io exception gzipping byte array", io);
        }
    }
    return new byte[0];
}

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