Example usage for java.io Writer flush

List of usage examples for java.io Writer flush

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Introduction

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

Prototype

public abstract void flush() throws IOException;

Source Link

Document

Flushes the stream.

Usage

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test robustness.//from  w ww  . j a  v a2 s.c  o m
 * 
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testMissingClose() throws Exception {
    final Agent agent = new org.kjkoster.zapcat.zabbix.ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(),
            org.kjkoster.zapcat.zabbix.ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("jmx[foo\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    final int read = in.read(buffer);
    assertEquals(29, read);

    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);

    assertEquals('N', buffer[17]);
    assertEquals('O', buffer[18]);
    assertEquals('T', buffer[19]);

    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test the we can ping the agent.//  w ww .ja v  a  2 s  .  co m
 * 
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testPing() throws Exception {
    final Agent agent = new org.kjkoster.zapcat.zabbix.ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(),
            org.kjkoster.zapcat.zabbix.ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("agent.ping\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    final int read = in.read(buffer);
    assertEquals(14, read);

    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);

    assertEquals('1', buffer[13]);

    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test robustness./*from   www.  jav a 2  s  . com*/
 * 
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testMissingOpen() throws Exception {
    final Agent agent = new org.kjkoster.zapcat.zabbix.ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(),
            org.kjkoster.zapcat.zabbix.ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("jmx(foo]\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    final int read = in.read(buffer);
    assertEquals(29, read);

    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);

    assertEquals('N', buffer[17]);
    assertEquals('O', buffer[18]);
    assertEquals('T', buffer[19]);

    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

From source file:kr.co.skysoft.framework.taglib.JSR303JSCodebaseTag.java

/**
 * Copies the chars from in to out and then closes in but
 * leaves out open./* w  ww.jav a 2  s .  c  om*/
 *
 * @param in the input reader
 * @param out the output writer
 * @throws IOException if there is an io exception
 */
private void copy(Reader in, Writer out) throws IOException {

    Assert.notNull(in, "No Reader specified");
    Assert.notNull(out, "No Writer specified");
    try {
        char[] buffer = new char[1024];
        int bytesRead;
        while ((bytesRead = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytesRead);
        }
        out.flush();
    } finally {
        try {
            in.close();
        } catch (IOException ex) {
            logger.warn("Could not close Reader", ex);
        }
    }
}

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

private void query(int port, String key, byte[] expected) throws IOException {
    final Socket socket = new Socket(InetAddress.getLocalHost(), port);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write(key);// w w  w.  j  a  v  a  2  s.  com
    out.write('\n');
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    in.read(buffer);
    socket.close();
    System.out.println(new String(buffer));
    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);
    assertEquals((byte) 0x01, buffer[4]);
    byte[] actual = Arrays.copyOfRange(buffer, 13, 13 + expected.length);
    assertArrayEquals(expected, actual);
    //        assertTrue(Arrays.equals(expected, actual));
}

From source file:com.openedit.error.JsonErrorHandler.java

/**
 * @see org.jpublish.ErrorHandler#handleError(JPublishError)
 *//*from   ww  w  . j a  v a  2s .co  m*/
public boolean handleError(Throwable error, WebPageRequest context) {
    if (context.getResponse() != null && context.getResponse().getContentType() != null
            && !context.getResponse().getContentType().contains("json")) {
        return false;
    }

    OpenEditException exception = null;
    if (context != null) {
        try {
            if (!(error instanceof OpenEditException)) {
                exception = new OpenEditException(error); //we need the toStacktrace method
            } else {
                exception = (OpenEditException) error;
            }
            if (!context.hasRedirected() && context.getResponse() != null) {
                try {
                    context.getResponse().setStatus(500);
                } catch (Exception ex) {
                    //ignored
                    log.debug("Ignored:" + ex);
                }
            }
            error.printStackTrace();
            String pathWithError = exception.getPathWithError();
            if (pathWithError == null) {
                pathWithError = context.getPage().getPath();
                exception.setPathWithError(pathWithError);

            }
            context.putPageValue("editPath", exception.getPathWithError());
            context.putPageValue("oe-exception", exception); //must be a top level thing since we create a new context
            PageStreamer pages = (PageStreamer) context.getPageValue(PageRequestKeys.PAGES);

            Writer out = context.getWriter();
            out.append("{ \"reponse\": {\n");
            out.append(" \"status\":\"error\",");
            out.append("{ \"path\":\"" + pathWithError + "\",");
            out.append("{ \"details\":\"" + error + "\"");
            out.append("\n}");
            //error.printStackTrace( new PrintWriter( writer ) );
            out.flush();
        } catch (Exception ex) {
            //Do not throw an error here is it will be infinite
            log.error(ex);
            ex.printStackTrace();
            try {
                context.getWriter().write("Check error logs: " + ex);
                //throw new OpenEditRuntimeException(ex);
            } catch (Throwable ex1) {
                log.error(ex1);
            }
        }
        return true;
    }
    return false;
}

From source file:functionalTests.vfsprovider.TestProActiveProviderAutoclosing.java

@Test
public void testOutputStreamOpenWriteAutocloseFlush() throws Exception {
    final FileObject fo = openFileObject("out.txt");
    final Writer writer = openWriter(fo);
    try {/*from www .j  av a2s  .c o  m*/
        writer.write("ghi");
        Thread.sleep(SLEEP_TIME);
        writer.flush();
        assertContentEquals(fo, "ghi");
    } finally {
        writer.close();
    }
    fo.close();
}

From source file:br.msf.maven.compressor.processor.CssCompressor.java

@Override
protected CharSequence proccessMinify(final CharSequence originalContent, final CompressorSettings settings)
        throws Exception {
    Reader reader = null;/*from ww  w.  j  ava  2 s .com*/
    Writer writer = null;

    try {
        reader = new CharSequenceReader(originalContent);
        com.yahoo.platform.yui.compressor.CssCompressor compressor = new com.yahoo.platform.yui.compressor.CssCompressor(
                reader);

        final StringBuilder out = new StringBuilder(originalContent.length());
        writer = new StringBuilderWriter(out);
        compressor.compress(writer, LINE_BREAK_POS);
        writer.flush();
        return out;
    } finally {
        IOUtils.closeQuietly(reader);
        IOUtils.closeQuietly(writer);
    }
}

From source file:org.kjkoster.zapcat.test.ZabbixAgentProtocolTest.java

/**
 * Test that by default we have protocol version 1.4.
 * /*from  www. j av a  2  s  .c o m*/
 * @throws Exception
 *             When the test failed.
 */
@Test
public void testDefault() throws Exception {
    final Agent agent = new ZabbixAgent();
    // give the agent some time to open the port
    Thread.sleep(100);
    final Socket socket = new Socket(InetAddress.getLocalHost(), ZabbixAgent.DEFAULT_PORT);

    final Writer out = new OutputStreamWriter(socket.getOutputStream());
    out.write("system.property[java.version]\n");
    out.flush();

    final InputStream in = socket.getInputStream();
    final byte[] buffer = new byte[1024];
    in.read(buffer);

    assertEquals('Z', buffer[0]);
    assertEquals('B', buffer[1]);
    assertEquals('X', buffer[2]);
    assertEquals('D', buffer[3]);
    // we'll take the rest for granted...

    socket.close();
    agent.stop();
}

From source file:com.intel.cosbench.exporter.ScriptsLogExporter.java

private void exportStageLog(Writer writer, StageInfo stage) throws IOException {
    writer.write("=========================");
    writer.write("=========================");
    writer.write(" stage: " + stage.getId() + ' ');
    writer.write("=========================");
    writer.write("=========================");
    writer.write('\n');
    String wsId = workload.getId() + stage.getId();
    doExportLog(writer, wsId);/*  w w  w. j  av a2  s. co m*/
    writer.flush();
}