Example usage for java.io PrintStream flush

List of usage examples for java.io PrintStream flush

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Introduction

In this page you can find the example usage for java.io PrintStream flush.

Prototype

public void flush()

Source Link

Document

Flushes the stream.

Usage

From source file:com.kelveden.rastajax.servlet.DefaultHtmlServlet.java

private void writeRepresentationToResponse(Set<FlatResource> representation, HttpServletResponse httpResponse)
        throws IOException {

    httpResponse.setContentType("text/html; charset=utf8");

    final OutputStream outputStream = httpResponse.getOutputStream();
    final PrintStream printStream = new PrintStream(outputStream);

    printStream.println("<html>");
    printStream.println("<body>");
    printStream.println("<head>");
    printStream.println("<style type=\"text/css\">");
    printStream.println("* { font-size:10px; }");
    printStream.println("table { border-width: 1px; border-collapse: collapse; margin-left: 10px; }");
    printStream.println("table th { border: 1px solid; padding: 4px; background-color: #dedede; }");
    printStream.println("table td { border: 1px solid; padding: 4px; }");
    printStream.println("</style>");
    printStream.println("</head>");

    for (FlatResource resource : representation) {
        writeResource(resource, printStream);
    }//  www .j  a  va  2 s  . c om

    printStream.println("</body>");
    printStream.println("</html>");

    printStream.flush();
}

From source file:edu.stanford.junction.sample.partyware.ImgurUploadService.java

/**
 * This method uploads an image from the given uri. It does the uploading in
 * small chunks to make sure it doesn't over run the memory.
 * //  w w  w  .j a v  a2 s  .  co m
 * @param uri
 *            image location
 * @return map containing data from interaction
 */
private String readPictureDataAndUpload(final Uri uri) {
    Log.i(this.getClass().getName(), "in readPictureDataAndUpload(Uri)");
    try {
        final AssetFileDescriptor assetFileDescriptor = getContentResolver().openAssetFileDescriptor(uri, "r");
        final int totalFileLength = (int) assetFileDescriptor.getLength();
        assetFileDescriptor.close();

        // Create custom progress notification
        mProgressNotification = new Notification(R.drawable.icon, getString(R.string.imgur_upload_in_progress),
                System.currentTimeMillis());
        // set as ongoing
        mProgressNotification.flags |= Notification.FLAG_ONGOING_EVENT;
        // set custom view to notification
        mProgressNotification.contentView = generateProgressNotificationView(0, totalFileLength);
        //empty intent for the notification
        final Intent progressIntent = new Intent();
        final PendingIntent contentIntent = PendingIntent.getActivity(this, 0, progressIntent, 0);
        mProgressNotification.contentIntent = contentIntent;
        // add notification to manager
        mNotificationManager.notify(NOTIFICATION_ID, mProgressNotification);

        final InputStream inputStream = getContentResolver().openInputStream(uri);

        final String boundaryString = "Z." + Long.toHexString(System.currentTimeMillis())
                + Long.toHexString((new Random()).nextLong());
        final String boundary = "--" + boundaryString;
        final HttpURLConnection conn = (HttpURLConnection) (new URL("http://imgur.com/api/upload.json"))
                .openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-type", "multipart/form-data; boundary=\"" + boundaryString + "\"");
        conn.setUseCaches(false);
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setChunkedStreamingMode(CHUNK_SIZE);
        final OutputStream hrout = conn.getOutputStream();
        final PrintStream hout = new PrintStream(hrout);
        hout.println(boundary);
        hout.println("Content-Disposition: form-data; name=\"key\"");
        hout.println("Content-Type: text/plain");
        hout.println();

        Random rng = new Random();
        String key = API_KEYS[rng.nextInt(API_KEYS.length)];
        hout.println(key);

        hout.println(boundary);
        hout.println("Content-Disposition: form-data; name=\"image\"");
        hout.println("Content-Transfer-Encoding: base64");
        hout.println();
        hout.flush();
        {
            final Base64OutputStream bhout = new Base64OutputStream(hrout);
            final byte[] pictureData = new byte[READ_BUFFER_SIZE_BYTES];
            int read = 0;
            int totalRead = 0;
            long lastLogTime = 0;
            while (read >= 0) {
                read = inputStream.read(pictureData);
                if (read > 0) {
                    bhout.write(pictureData, 0, read);
                    totalRead += read;
                    if (lastLogTime < (System.currentTimeMillis() - PROGRESS_UPDATE_INTERVAL_MS)) {
                        lastLogTime = System.currentTimeMillis();
                        Log.d(this.getClass().getName(), "Uploaded " + totalRead + " of " + totalFileLength
                                + " bytes (" + (100 * totalRead) / totalFileLength + "%)");

                        //make a final version of the total read to make the handler happy
                        final int totalReadFinal = totalRead;
                        mHandler.post(new Runnable() {
                            public void run() {
                                mProgressNotification.contentView = generateProgressNotificationView(
                                        totalReadFinal, totalFileLength);
                                mNotificationManager.notify(NOTIFICATION_ID, mProgressNotification);
                            }
                        });
                    }
                    bhout.flush();
                    hrout.flush();
                }
            }
            Log.d(this.getClass().getName(), "Finishing upload...");
            // This close is absolutely necessary, this tells the
            // Base64OutputStream to finish writing the last of the data
            // (and including the padding). Without this line, it will miss
            // the last 4 chars in the output, missing up to 3 bytes in the
            // final output.
            bhout.close();
            Log.d(this.getClass().getName(), "Upload complete...");
            mProgressNotification.contentView.setProgressBar(R.id.UploadProgress, totalFileLength, totalRead,
                    false);
            mNotificationManager.cancelAll();
        }

        hout.println(boundary);
        hout.flush();
        hrout.close();

        inputStream.close();

        Log.d(this.getClass().getName(), "streams closed, " + "now waiting for response from server");

        final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        final StringBuilder rData = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            rData.append(line).append('\n');
        }

        return rData.toString();
    } catch (final IOException e) {
        Log.e(this.getClass().getName(), "Upload failed", e);
    }

    return null;
}

From source file:edu.caltechUcla.sselCassel.projects.jMarkets.frontdesk.web.data.SessionBean.java

/** Save this object to the given path as a file */
public void serialize(String path) {
    try {/*w  w  w.j  a v a 2  s.  co m*/
        File file = new File(path);
        file.createNewFile();

        FileOutputStream outStream = new FileOutputStream(file);
        PrintStream printer = new PrintStream(outStream);
        //ObjectOutputStream objStream = new ObjectOutputStream(outStream);

        log.info("Wrote session definition to xml");
        printer.print(this.toString());

        printer.flush();
        printer.close();

        //objStream.writeObject(xml);
        //objStream.close();
        outStream.close();
    } catch (IOException e) {
        System.out.println("IO error writing session to a file");
        e.printStackTrace();
    }
}

From source file:org.codehaus.enunciate.modules.java_client.JavaClientDeploymentModule.java

/**
 * Reads a resource into string form.//  w  ww. java 2s .c om
 *
 * @param resource The resource to read.
 * @return The string form of the resource.
 */
protected String readResource(String resource) throws IOException, EnunciateException {
    HashMap<String, Object> model = new HashMap<String, Object>();
    model.put("sample_service_method", getModelInternal().findExampleWebMethod());
    model.put("sample_resource", getModelInternal().findExampleResourceMethod());

    URL res = JavaClientDeploymentModule.class.getResource(resource);
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(bytes);
    try {
        processTemplate(res, model, out);
        out.flush();
        bytes.flush();
        return bytes.toString("utf-8");
    } catch (TemplateException e) {
        throw new EnunciateException(e);
    }
}

From source file:cpcc.vvrte.services.js.JavascriptServiceTest.java

@Test
public void shouldHandleVvStorage() throws IOException {
    MyBuiltInFunctions functions = new MyBuiltInFunctions();
    JavascriptService jss = new JavascriptServiceImpl(logger, serviceResources, functions);
    jss.addAllowedClassRegex("cpcc.vvrte.services.js.JavascriptServiceTest\\$MyBuiltInFunctions");

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    PrintStream stdOut = new PrintStream(out, true);
    VvRteFunctions.setStdOut(stdOut);/*from ww  w.ja v  a  2 s  .co m*/

    InputStream scriptStream = this.getClass().getResourceAsStream("storage-test.js");
    String script = IOUtils.toString(scriptStream, "UTF-8");
    assertThat(script).isNotNull().isNotEmpty();

    VirtualVehicle vv = new VirtualVehicle();
    vv.setId(123);
    vv.setCode(script);
    vv.setApiVersion(1);
    vv.setUuid("599cda7e-a042-11e5-a5b4-ffed137d569e");

    functions.setMigrate(false);
    JavascriptWorker sut = jss.createWorker(vv, false);
    sut.run();
    stdOut.flush();

    // System.out.println("shouldHandleVvRte() result: '" + x.getResult() + "'");
    // System.out.println("shouldHandleVvRte() output: '" + out.toString("UTF-8") + "'");
    assertThat(sut.getWorkerState()).isNotNull().isEqualTo(VirtualVehicleState.FINISHED);

    InputStream resultStream = this.getClass().getResourceAsStream("storage-test-expected-result.txt");
    String expectedResult = IOUtils.toString(resultStream, "UTF-8");

    assertThat(out.toString("UTF-8")).isNotNull().isEqualTo(expectedResult);

    verify(sessionManager, times(3)).commit();
    verify(perthreadManager).cleanup();
}

From source file:volumesculptor.shell.Main.java

/**
 * Evaluate JavaScript source.//from   w  w w.  jav a2s .co m
 *
 * @param cx       the current context
 * @param filename the name of the file to compile, or null
 *                 for interactive mode.
 * @throws IOException    if the source could not be read
 * @throws RhinoException thrown during evaluation of source
 */
public static TriangleMesh processSource(Context cx, String filename, Object[] args, boolean show)
        throws IOException {
    if (filename == null || filename.equals("-")) {
        Scriptable scope = getShellScope();
        PrintStream ps = global.getErr();
        if (filename == null) {
            // print implementation version
            ps.println(cx.getImplementationVersion());
        }

        String charEnc = shellContextFactory.getCharacterEncoding();
        if (charEnc == null) {
            charEnc = System.getProperty("file.encoding");
        }
        BufferedReader in;
        try {
            in = new BufferedReader(new InputStreamReader(global.getIn(), charEnc));
        } catch (UnsupportedEncodingException e) {
            throw new UndeclaredThrowableException(e);
        }
        int lineno = 1;
        boolean hitEOF = false;
        while (!hitEOF) {
            String[] prompts = global.getPrompts(cx);
            if (filename == null)
                ps.print(prompts[0]);
            ps.flush();
            String source = "";

            // Collect lines of source to compile.
            while (true) {
                String newline;
                try {
                    newline = in.readLine();
                } catch (IOException ioe) {
                    ps.println(ioe.toString());
                    break;
                }
                if (newline == null) {
                    hitEOF = true;
                    break;
                }
                source = source + newline + "\n";
                lineno++;
                if (cx.stringIsCompilableUnit(source))
                    break;
                ps.print(prompts[1]);
            }
            try {
                Script script = cx.compileString(source, "<stdin>", lineno, null);
                if (script != null) {

                    Object result = script.exec(cx, scope);
                    // Avoid printing out undefined or function definitions.
                    if (result != Context.getUndefinedValue()
                            && !(result instanceof Function && source.trim().startsWith("function"))) {
                        try {
                            ps.println(Context.toString(result));
                        } catch (RhinoException rex) {
                            ToolErrorReporter.reportException(cx.getErrorReporter(), rex);
                        }
                    }
                    NativeArray h = global.history;
                    h.put((int) h.getLength(), h, source);
                    return executeMain(cx, scope, show, args);
                }
            } catch (RhinoException rex) {
                ToolErrorReporter.reportException(cx.getErrorReporter(), rex);
                exitCode = EXITCODE_RUNTIME_ERROR;
            } catch (VirtualMachineError ex) {
                // Treat StackOverflow and OutOfMemory as runtime errors
                ex.printStackTrace();
                String msg = ToolErrorReporter.getMessage("msg.uncaughtJSException", ex.toString());
                Context.reportError(msg);
                exitCode = EXITCODE_RUNTIME_ERROR;
            }
        }
        ps.println();
    } else if (useRequire && filename.equals(mainModule)) {
        require.requireMain(cx, filename);
    } else {
        return processFile(cx, getScope(filename), filename, args, show);
    }

    return null;
}

From source file:org.codehaus.enunciate.modules.xfire_client.XFireClientDeploymentModule.java

/**
 * Reads a resource into string form.//from  w  w  w  .java 2 s  .  co m
 *
 * @param resource The resource to read.
 * @return The string form of the resource.
 */
protected String readResource(String resource) throws IOException, EnunciateException {
    HashMap<String, Object> model = new HashMap<String, Object>();
    model.put("sample_service_method", getModelInternal().findExampleWebMethod());
    model.put("sample_resource", getModelInternal().findExampleResource());

    URL res = XFireClientDeploymentModule.class.getResource(resource);
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(bytes);
    try {
        processTemplate(res, model, out);
        out.flush();
        bytes.flush();
        return bytes.toString("utf-8");
    } catch (TemplateException e) {
        throw new EnunciateException(e);
    }
}

From source file:eu.europa.ec.fisheries.uvms.plugins.inmarsat.twostage.Connect.java

private String issueCommand(PollType poll, PrintStream out, InputStream in, String dnid, String path,
        String url, String port) throws TelnetException, IOException {
    String filename = getFileName(path);
    FileOutputStream stream = null;
    try {//from  w  ww  .j  av  a 2  s .c o  m
        stream = new FileOutputStream(filename);
    } catch (FileNotFoundException e) {
        LOG.warn("Could not read/create file for TwoStage Command: {}", filename);
    }
    String result;
    if (poll != null) {
        result = sendPollCommand(poll, out, in, stream, url, port);
    } else {
        result = sendDownloadCommand(out, in, stream, dnid, url, port);
    }
    if (stream != null) {
        stream.flush();
        stream.close();

        //Delete file for polls, these are persisted elsewhere
        if (poll != null) {
            File f = new File(filename);
            if (f.exists() && f.isFile()) {
                f.delete();
            }
        }
    }
    out.print("QUIT \r\n");
    out.flush();
    return result;
}

From source file:org.openecomp.sdnc.sli.SvcLogicNode.java

public void printAsXml(PrintStream pstr, int indentLvl) {
    if (visited) {
        return;/*from   w ww .  jav a  2s .  c om*/
    }
    // Print node tag
    for (int i = 0; i < indentLvl; i++) {
        pstr.print("  ");
    }
    pstr.print("<");
    pstr.print(this.getNodeType());

    Set<Map.Entry<String, SvcLogicExpression>> attrSet = attributes.entrySet();
    for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = attrSet.iterator(); iter.hasNext();) {
        Map.Entry<String, SvcLogicExpression> curAttr = iter.next();
        pstr.print(" ");
        pstr.print(curAttr.getKey());
        pstr.print("='`");
        pstr.print(curAttr.getValue());
        pstr.print("'`");
    }

    if (((parameters == null) || (parameters.isEmpty())) && ((outcomes == null) || outcomes.isEmpty())) {
        pstr.print("/>\n");
        pstr.flush();
        return;
    } else {
        pstr.print(">\n");
    }

    // Print parameters (if any)
    if (parameters != null) {
        Set<Map.Entry<String, SvcLogicExpression>> paramSet = parameters.entrySet();
        for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = paramSet.iterator(); iter.hasNext();) {
            for (int i = 0; i < indentLvl + 1; i++) {
                pstr.print("  ");
            }
            pstr.print("<parameter");
            Map.Entry<String, SvcLogicExpression> curAttr = iter.next();
            pstr.print(" name='");
            pstr.print(curAttr.getKey());
            pstr.print("' value='`");
            pstr.print(curAttr.getValue().toString());
            pstr.print("`'/>\n");
        }
    }

    // Print outcomes (if any)
    if (outcomes != null) {
        Set<Map.Entry<String, SvcLogicNode>> outcomeSet = outcomes.entrySet();
        for (Iterator<Map.Entry<String, SvcLogicNode>> iter = outcomeSet.iterator(); iter.hasNext();) {
            for (int i = 0; i < indentLvl + 1; i++) {
                pstr.print("  ");
            }
            pstr.print("<outcome");
            Map.Entry<String, SvcLogicNode> curAttr = iter.next();
            pstr.print(" value='");
            pstr.print(curAttr.getKey());
            pstr.print("'>\n");
            SvcLogicNode outNode = curAttr.getValue();
            outNode.printAsXml(pstr, indentLvl + 2);
            for (int i = 0; i < indentLvl + 1; i++) {
                pstr.print("  ");
            }
            pstr.print("</outcome>\n");
        }
    }

    // Print node end tag
    for (int i = 0; i < indentLvl; i++) {
        pstr.print("  ");
    }
    pstr.print("</");
    pstr.print(this.getNodeType());
    pstr.print(">\n");
    pstr.flush();

}

From source file:terse.vm.Terp.java

void appendWorldFile(String firstLine, String[] rest) throws IOException {
    if (loadingWorldFile) {
        return; // Don't cause infinite loop!
    }//  w w  w . ja va  2  s.c om
    if (worldFilename.length() == 0) {
        return; // For unit tests.
    }
    long timestamp = System.currentTimeMillis() / 1000;
    FileOutputStream fos = openFileAppend(worldFilename);
    PrintStream ps = new PrintStream(fos);
    ps.println(fmt("( %d %s", timestamp, firstLine));
    if (rest != null) {
        for (String s : rest) {
            ps.println(" " + s); // Stuff 1 space before each line.
        }
    }
    ps.println(fmt(") %d", timestamp));
    ps.flush();
    fos.flush();
    fos.close();
}