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:co.cask.cdap.logging.appender.file.TestFileLogging.java

@BeforeClass
public static void setUpContext() throws Exception {
    dsFramework = new InMemoryDatasetFramework(new InMemoryDefinitionRegistryFactory());
    dsFramework.addModule("table", new InMemoryOrderedTableModule());

    LoggingContextAccessor//from  w  w w . j a v  a 2 s  .  c om
            .setLoggingContext(new FlowletLoggingContext("TFL_ACCT_1", "APP_1", "FLOW_1", "FLOWLET_1"));
    logBaseDir = "/tmp/log_files_" + new Random(System.currentTimeMillis()).nextLong();

    CConfiguration cConf = CConfiguration.create();
    cConf.set(LoggingConfiguration.LOG_BASE_DIR, logBaseDir);
    cConf.setInt(LoggingConfiguration.LOG_MAX_FILE_SIZE_BYTES, 20 * 1024);

    Configuration conf = HBaseConfiguration.create();
    cConf.copyTxProperties(conf);
    TransactionManager txManager = new TransactionManager(conf);
    txManager.startAndWait();
    txClient = new InMemoryTxSystemClient(txManager);

    LogAppender appender = new AsyncLogAppender(
            new FileLogAppender(cConf, dsFramework, txClient, new LocalLocationFactory()));
    new LogAppenderInitializer(appender).initialize("TestFileLogging");

    Logger logger = LoggerFactory.getLogger("TestFileLogging");
    for (int i = 0; i < 60; ++i) {
        Exception e1 = new Exception("Test Exception1");
        Exception e2 = new Exception("Test Exception2", e1);
        logger.warn("Test log message " + i + " {} {}", "arg1", "arg2", e2);
    }

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    StatusPrinter.setPrintStream(new PrintStream(bos));
    StatusPrinter.print((LoggerContext) LoggerFactory.getILoggerFactory());
    System.out.println(bos.toString());

    appender.stop();
}

From source file:edu.cornell.med.icb.goby.modes.ReadSetToTextMode.java

/**
 * Display the alignments as text files.
 *
 * @throws java.io.IOException error reading / writing
 *//*from w  w w  . jav  a2 s  . co m*/
@Override
public void execute() throws IOException {
    PrintStream stream = null;
    try {
        stream = outputFilename == null ? System.out : new PrintStream(new FileOutputStream(outputFilename));
        switch (outputFormat) {
        case PLAIN:
            stream.printf("queryIndex\tmultiplicity%n");
            break;
        default:
            throw new IllegalArgumentException("Unknown output format: " + outputFormat);
        }

        for (final String basename : basenames) {
            final ReadSet set = new ReadSet();
            set.load(basename, suffix);

            for (int queryIndex = 0; queryIndex <= set.getMaxReadIndex(); queryIndex++) {
                final int multiplicity = set.getMultiplicity(queryIndex);
                stream.printf("%d\t%d%n", queryIndex,

                        multiplicity);
            }
        }
    } finally {
        if (stream != System.out) {
            IOUtils.closeQuietly(stream);
        }
    }
}