Example usage for java.lang System setOut

List of usage examples for java.lang System setOut

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Introduction

In this page you can find the example usage for java.lang System setOut.

Prototype

public static void setOut(PrintStream out)

Source Link

Document

Reassigns the "standard" output stream.

Usage

From source file:Log.java

/**
 * Initializes the log.//from w  w w  .  j  a va 2s. c  o  m
 * @param stdio If true, standard output and error will be
 * sent to the log
 * @param level Messages with this log level or higher will
 * be printed to the system console
 * @since jEdit 3.2pre4
 */
public static void init(boolean stdio, int level) {
    if (stdio) {
        if (System.out == realOut && System.err == realErr) {
            System.setOut(createPrintStream(NOTICE, null));
            System.setErr(createPrintStream(ERROR, null));
        }
    }

    Log.level = level;

    // Log some stuff
    log(MESSAGE, Log.class, "When reporting bugs, please" + " include the following information:");
    String[] props = { "java.version", "java.vm.version", "java.runtime.version", "java.vendor",
            "java.compiler", "os.name", "os.version", "os.arch", "user.home", "java.home", "java.class.path", };
    for (int i = 0; i < props.length; i++) {
        log(MESSAGE, Log.class, props[i] + '=' + System.getProperty(props[i]));
    }
}

From source file:org.apache.hadoop.hdfs.TestFsShellPermission.java

static String execCmd(FsShell shell, final String[] args) throws Exception {
    ByteArrayOutputStream baout = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(baout, true);
    PrintStream old = System.out;
    System.setOut(out);
    int ret = shell.run(args);
    out.close();// www. j  ava  2  s . c  om
    System.setOut(old);
    return String.valueOf(ret);
}

From source file:org.apache.hadoop.hive.ql.processors.DfsProcessor.java

@Override
public CommandProcessorResponse run(String command) {

    try {/*from   www . j  av a 2  s. co  m*/
        SessionState ss = SessionState.get();
        command = new VariableSubstitution().substitute(ss.getConf(), command);

        String[] tokens = command.split("\\s+");
        CommandProcessorResponse authErrResp = CommandUtil.authorizeCommand(ss, HiveOperationType.DFS,
                Arrays.asList(tokens));
        if (authErrResp != null) {
            // there was an authorization issue
            return authErrResp;
        }

        PrintStream oldOut = System.out;

        if (ss != null && ss.out != null) {
            System.setOut(ss.out);
        }

        int ret = dfs.run(tokens);
        if (ret != 0) {
            console.printError("Command failed with exit code = " + ret);
        }

        System.setOut(oldOut);
        return new CommandProcessorResponse(ret, null, null, dfsSchema);

    } catch (Exception e) {
        console.printError("Exception raised from DFSShell.run " + e.getLocalizedMessage(),
                org.apache.hadoop.util.StringUtils.stringifyException(e));
        return new CommandProcessorResponse(1);
    }
}

From source file:org.apache.flink.yarn.CliFrontendYarnAddressConfigurationTest.java

@AfterClass
public static void restoreAfterwards() {
    System.setOut(OUT);
    System.setErr(ERR);
}

From source file:ee.ioc.cs.vsle.util.Console.java

private Console() {
    // create all components and add them
    frame = new JFrame("Java Console");
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = new Dimension((screenSize.width / 2), (screenSize.height / 2));
    int x = (frameSize.width / 2);
    int y = (frameSize.height / 2);
    frame.setBounds(x, y, frameSize.width, frameSize.height);

    textArea = new JTextArea();
    textArea.setEditable(false);//w w  w  .j  ava  2  s  . c  o m
    JButton button = new JButton("clear");

    frame.getContentPane().setLayout(new BorderLayout());
    frame.getContentPane().add(new JScrollPane(textArea), BorderLayout.CENTER);
    frame.getContentPane().add(button, BorderLayout.SOUTH);
    frame.setVisible(true);

    frame.addWindowListener(this);
    button.addActionListener(this);

    final PipedInputStream pin = new PipedInputStream();
    try {
        PipedOutputStream pout = new PipedOutputStream(pin);
        System.setOut(new PrintStream(new TeeOutputStream(systemOut, pout), true));
    } catch (java.io.IOException io) {
        textArea.append("Couldn't redirect STDOUT to this console\n" + io.getMessage());
    } catch (SecurityException se) {
        textArea.append("Couldn't redirect STDOUT to this console\n" + se.getMessage());
    }

    final PipedInputStream pin2 = new PipedInputStream();
    try {
        PipedOutputStream pout2 = new PipedOutputStream(pin2);
        System.setErr(new PrintStream(new TeeOutputStream(systemErr, pout2), true));
    } catch (java.io.IOException io) {
        textArea.append("Couldn't redirect STDERR to this console\n" + io.getMessage());
    } catch (SecurityException se) {
        textArea.append("Couldn't redirect STDERR to this console\n" + se.getMessage());
    }

    quit = false; // signals the Threads that they should exit

    sysOutFollower = new StreamFollower(pin, StreamRestorer.SYS_OUT, "Console_out");
    sysOutFollower.start();
    //
    sysErrFollower = new StreamFollower(pin2, StreamRestorer.SYS_ERR, "Console_err");
    sysErrFollower.start();
}

From source file:org.apache.apex.malhar.sql.FileEndpointTest.java

@Test
public void testApplication() throws Exception {
    File modelFile = new File("src/test/resources/model/model_file_csv.json");
    String model = FileUtils.readFileToString(modelFile);

    PrintStream originalSysout = System.out;

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    System.setOut(new PrintStream(baos));

    try {//from  w w  w  .j av a  2  s .c o m
        LocalMode lma = LocalMode.newInstance();
        Configuration conf = new Configuration(false);
        lma.prepareDAG(new Application(model), conf);
        LocalMode.Controller lc = lma.getController();
        lc.runAsync();

        waitTillStdoutIsPopulated(baos, 30000);

        lc.shutdown();
    } catch (ConstraintViolationException e) {
        Assert.fail("constraint violations: " + e.getConstraintViolations());
    } catch (Exception e) {
        Assert.fail("Exception: " + e);
    }

    System.setOut(originalSysout);

    String[] sout = baos.toString().split(System.lineSeparator());
    Collection<String> filter = Collections2.filter(Arrays.asList(sout),
            Predicates.containsPattern("Delta Record:"));

    String[] actualLines = filter.toArray(new String[filter.size()]);
    Assert.assertEquals(6, actualLines.length);
    Assert.assertTrue(actualLines[0].contains("RowTime=Mon Feb 15 10:15:00 GMT 2016, Product=paint1"));
    Assert.assertTrue(actualLines[1].contains("RowTime=Mon Feb 15 10:16:00 GMT 2016, Product=paint2"));
    Assert.assertTrue(actualLines[2].contains("RowTime=Mon Feb 15 10:17:00 GMT 2016, Product=paint3"));
    Assert.assertTrue(actualLines[3].contains("RowTime=Mon Feb 15 10:18:00 GMT 2016, Product=paint4"));
    Assert.assertTrue(actualLines[4].contains("RowTime=Mon Feb 15 10:19:00 GMT 2016, Product=paint5"));
    Assert.assertTrue(actualLines[5].contains("RowTime=Mon Feb 15 10:10:00 GMT 2016, Product=abcde6"));
}

From source file:net.dv8tion.jda.core.utils.SimpleLog.java

/**
 * Will duplicate the output-streams to the specified Files.
 * This will catch everything that is sent to sout and serr (even stuff not logged via SimpleLog).
 *
 * @param std/*  w ww .  j a va 2  s  .  c o  m*/
 *      The file to use for System.out logging, or null to not LOG System.out to a file
 * @param err
 *      The file to use for System.err logging, or null to not LOG System.err to a file
 * @throws java.io.IOException
 *      If an IO error is encountered while dealing with the file. Most likely
 *      to be caused by a lack of permissions when creating the log folders or files.
 */
@SuppressWarnings("ResultOfMethodCallIgnored")
public static void addFileLogs(File std, File err) throws IOException {
    if (std != null) {
        if (origStd == null)
            origStd = System.out;
        if (!std.getAbsoluteFile().getParentFile().exists()) {
            std.getAbsoluteFile().getParentFile().mkdirs();
        }
        if (!std.exists()) {
            std.createNewFile();
        }
        FileOutputStream fOut = new FileOutputStream(std, true);
        System.setOut(new PrintStream(new OutputStream() {
            @Override
            public void write(int b) throws IOException {
                origStd.write(b);
                fOut.write(b);
            }
        }));
        if (stdOut != null)
            stdOut.close();
        stdOut = fOut;
    } else if (origStd != null) {
        System.setOut(origStd);
        stdOut.close();
        origStd = null;
    }
    if (err != null) {
        if (origErr == null)
            origErr = System.err;
        if (!err.getAbsoluteFile().getParentFile().exists()) {
            err.getAbsoluteFile().getParentFile().mkdirs();
        }
        if (!err.exists()) {
            err.createNewFile();
        }
        FileOutputStream fOut = new FileOutputStream(err, true);
        System.setErr(new PrintStream(new OutputStream() {
            @Override
            public void write(int b) throws IOException {
                origErr.write(b);
                fOut.write(b);
            }
        }));
        if (errOut != null)
            errOut.close();
        errOut = fOut;
    } else if (origErr != null) {
        System.setErr(origErr);
        errOut.close();
        origErr = null;
    }
}

From source file:org.nuxeo.automation.scripting.test.TestCompileAndContext.java

@Before
public void setUpStreams() {
    outStream = System.out;
    System.setOut(new PrintStream(outContent));
}

From source file:org.apache.hadoop.mapred.TestJobClient.java

private int runTool(Configuration conf, Tool tool, String[] args, OutputStream out) throws Exception {
    PrintStream oldOut = System.out;
    PrintStream newOut = new PrintStream(out, true);
    try {//  w ww  .  j  av a 2 s. com
        System.setOut(newOut);
        return ToolRunner.run(conf, tool, args);
    } finally {
        System.setOut(oldOut);
    }
}

From source file:org.meresco.triplestore.TransactionLogTest.java

@After
public void tearDown() throws Exception {
    System.setOut(orig_stdout);
    deleteDirectory(tempdir);
}