Example usage for java.io PrintStream PrintStream

Introduction

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

Prototype

public PrintStream(File file) throws FileNotFoundException

Source Link

Document

Creates a new print stream, without automatic line flushing, with the specified file.

Usage

From source file:gov.nih.nci.ncicb.tcga.dcc.qclive.common.logging.LoggerDestinationFastTest.java

@Test
public void stdoutLoggerDestination() throws IOException, LoggerDestination.LoggerException {

    PrintStream outStream = null;

    try {//from   w  w  w.ja  va  2 s . co  m
        // redirect stdout to a file
        String outfile = OUTPUT_PATH + "stdout.txt";
        //noinspection IOResourceOpenedButNotSafelyClosed
        outStream = new PrintStream(new BufferedOutputStream(new FileOutputStream(outfile)));
        System.setOut(outStream);
        // send message to logger destination
        StdoutLoggerDestination dest = new StdoutLoggerDestination();
        dest.setMinLevel(Level.DEBUG);
        String message = "THIS IS AN ERROR MESSAGE";
        dest.logToDestination(Level.ERROR, message);
        outStream.close();
        // read in output file and compare to expected
        assertEquals(message, readFirstLine(outfile));
        new File(outfile).deleteOnExit();
    } finally {
        IOUtils.closeQuietly(outStream);
    }
}

From source file:AloneService.java

/**
 * init and destroy were added in jakarta-tomcat-daemon.
 *///from   w  ww  .j ava2 s  .c om
public void init(String[] arguments) throws Exception {
    /* Set the err */
    System.setErr(new PrintStream(new FileOutputStream(new File("/ServiceDaemon.err"), true)));
    System.err.println("ServiceDaemon: instance " + this.hashCode() + " init");

    /* read the properties file */
    prop = new ExtendedProperties("startfile");

    /* create an array to store the processes */
    int i = 0;
    for (Iterator e = prop.getKeys(); e.hasNext();) {
        e.next();
        i++;
    }
    System.err.println("ServiceDaemon: init for " + i + " processes");
    proc = new Process[i];
    readout = new ServiceDaemonReadThread[i];
    readerr = new ServiceDaemonReadThread[i];
    for (i = 0; i < proc.length; i++) {
        proc[i] = null;
        readout[i] = null;
        readerr[i] = null;
    }

    System.err.println("ServiceDaemon: init done ");

}

From source file:io.stallion.plugins.javascript.JavascriptShell.java

private static Context makeContext(InputStream in, OutputStream out, OutputStream err, String[] args) {

    PrintStream pout = out instanceof PrintStream ? (PrintStream) out : new PrintStream(out);
    PrintStream perr = err instanceof PrintStream ? (PrintStream) err : new PrintStream(err);
    PrintWriter wout = new PrintWriter(pout, true);
    PrintWriter werr = new PrintWriter(perr, true);
    ErrorManager errors = new ErrorManager(werr);
    Options options = new Options("nashorn", werr);
    if (args != null) {
        try {//from w ww .ja  va2 s. com
            options.process(args);
        } catch (IllegalArgumentException var27) {
            werr.println(bundle.getString("shell.usage"));
            options.displayHelp(var27);
            return null;
        }
    }
    return new Context(options, errors, wout, werr, Thread.currentThread().getContextClassLoader());
}

From source file:com.khubla.antlr4formatter.Antlr4Formatter.java

/**
 * format an input file//from  w w  w .jav a2 s.  c o  m
 */
private static void format(InputStream inputStream, OutputStream outputStream) throws Exception {
    try {
        if (null != inputStream) {
            final Reader reader = new InputStreamReader(inputStream, "UTF-8");
            final ANTLRv4Lexer lexer = new ANTLRv4Lexer(new ANTLRInputStream(reader));
            final CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
            final ANTLRv4Parser parser = new ANTLRv4Parser(commonTokenStream);
            final GrammarSpecContext grammarSpecContext = parser.grammarSpec();
            ParseTreeWalker.DEFAULT.walk(
                    new Antlr4ParseTreeListenerImpl(new PrintStream(outputStream), commonTokenStream),
                    grammarSpecContext);
        } else {
            throw new IllegalArgumentException();
        }
    } catch (final Exception e) {
        throw new Exception("Exception reading and parsing file", e);
    }
}

From source file:com.kotcrab.vis.editor.Log.java

/** Initializes logging facility, called once by VisEditor. */
public static void init() {
    if (initialized)
        throw new IllegalStateException("Log cannot be initialized twice!");
    initialized = true;/*from   ww w . j  a  va2s.  c o m*/
    prepareLogFile();
    System.setOut(new PrintStream(new TeeOutputStream(System.out, logFileStream)));
    System.setErr(new PrintStream(new TeeOutputStream(System.err, logFileStream)));
}

From source file:de.langmi.spring.batch.examples.basics.tasklet.SimpleTaskletStepTest.java

@Before
public void setup() {
    // catch and set new system out
    oldSysOut = System.out;
    System.setOut(new PrintStream(newSysOut));
}

From source file:b2s.idea.mavenize.AppTest.java

@Before
public void setUp() throws Exception {
    output = new ByteArrayOutputStream();

    App.jarCombiner = combiner;//w w w . j  av  a2  s  . c om
    originalSysOut = System.out;
    System.setOut(new PrintStream(output));

    ideaFolder = temporaryFolder.newFolder();
    outputFolder = temporaryFolder.newFolder();
    ideaLibFolder = new File(ideaFolder, "lib");
    IOUtils.write("build-version", new FileOutputStream(new File(ideaFolder, "build.txt")));
}

From source file:com.music.service.text.SentimentAnalyzer.java

@PostConstruct
public void init() {
    // because scientists can't code, and write debug messages to System.err
    PrintStream err = new PrintStream(System.err) {
        @Override//  w w  w. j a va 2s  . c  o  m
        public void println(String x) {
            if (!x.startsWith("Adding annotator")) {
                super.println(x);
            }
        }
    };
    System.setErr(err);
}

From source file:MyTest.java

@Test
public void test() throws Exception {
    InputStream input = null;/*ww  w .  j ava  2  s.  c o m*/
    InputStream expectedOutput = null;
    int i = 0;
    do {
        input = Thread.currentThread().getContextClassLoader().getResourceAsStream("input" + String.valueOf(i));
        expectedOutput = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("output" + String.valueOf(i));

        if (input != null) {
            System.out.println("Running case #" + String.valueOf(i) + " input:");
            System.out.println(IOUtils.toString(Thread.currentThread().getContextClassLoader()
                    .getResourceAsStream("input" + String.valueOf(i)), "US-ASCII"));
            System.setIn(input);
            if (expectedOutput != null) {
                ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
                PrintStream realOutput = new PrintStream(byteArrayOutputStream);
                PrintStream preservedOut = System.out;
                System.setOut(realOutput);
                long start = System.currentTimeMillis();
                MySolution.main(null);
                long end = System.currentTimeMillis();
                System.setOut(preservedOut);
                System.out.println("Output:");
                System.out.println(byteArrayOutputStream.toString("US-ASCII"));
                System.out.println("Time: " + (end - start));
                assertEquals(IOUtils.toString(expectedOutput, "US-ASCII"),
                        byteArrayOutputStream.toString("US-ASCII"));
            } else {
                MySolution.main(null);
            }
        }
        i++;
    } while (input != null);
}