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:com.cyberway.issue.io.arc.ARC2WCDX.java

public static Object[] createWcdx(ARCReader reader) {
    reader.setDigest(true);//from www.j  av a  2  s .  com

    String wcdxPath = reader.getReaderIdentifier().replaceAll("\\.arc(\\.gz)?$", ".wcdx.gz");
    File wcdxFile = new File(wcdxPath + ".open");
    PrintStream writer = null;
    long count = 0;
    try {
        writer = new PrintStream(new GZIPOutputStream(new FileOutputStream(wcdxFile)));

        // write header: legend + timestamp
        StringBuilder legend = new StringBuilder();
        appendField(legend, "CDX");
        appendField(legend, "surt-uri");
        appendField(legend, "b"); // ARC timestamp
        appendField(legend, "http-date");
        appendField(legend, "s"); // status code
        appendField(legend, "m"); // media type
        appendField(legend, "sha1"); // content sha1
        appendField(legend, "g"); // ARC name
        appendField(legend, "V"); // start offset
        appendField(legend, "end-offset"); // TODO: implement
        appendField(legend, "n"); // ARC record length TODO: verify
        appendField(legend, "http-content-length");
        appendField(legend, "http-last-modified");
        appendField(legend, "http-expires");
        appendField(legend, "http-etag");
        appendField(legend, "http-location");
        appendField(legend, "e"); // IP
        appendField(legend, "a"); // original URL
        // WCDX version+creation time: crude version control
        appendField(legend, WCDX_VERSION + "@" + ArchiveUtils.get14DigitDate());
        writer.println(legend.toString());

        Iterator iter = reader.iterator();
        count = 0;
        while (iter.hasNext()) {
            ARCRecord record = (ARCRecord) iter.next();
            record.close();
            ARCRecordMetaData h = (ARCRecordMetaData) record.getHeader();
            Header[] httpHeaders = record.getHttpHeaders();
            if (httpHeaders == null) {
                httpHeaders = new Header[0];
            }
            HeaderGroup hg = new HeaderGroup();
            hg.setHeaders(httpHeaders);
            StringBuilder builder = new StringBuilder();

            // SURT-form URI
            appendField(builder, SURT.fromURI(h.getUrl()));
            // record timestamp ('b')
            appendField(builder, h.getDate());
            // http header date
            appendTimeField(builder, hg.getFirstHeader("Date"));
            // response code ('s')
            appendField(builder, h.getStatusCode());
            // media type ('m')
            appendField(builder, h.getMimetype());
            // content checksum (like 'c', but here Base32 SHA1)
            appendField(builder, record.getDigestStr());
            // arc name ('g')
            appendField(builder, reader.getFileName());
            // compressed start offset ('V')
            appendField(builder, h.getOffset());

            // compressed end offset (?)
            //            appendField(builder,
            //                    reader.getInputStream() instanceof RepositionableStream
            //                    ? ((GzippedInputStream)reader.getInputStream()).vPosition()
            //                    : "-");
            // TODO; leave unavail for now
            appendField(builder, "-");

            // uncompressed (declared in ARC headerline) record length
            appendField(builder, h.getLength());
            // http header content-length
            appendField(builder, hg.getFirstHeader("Content-Length"));

            // http header mod-date
            appendTimeField(builder, hg.getFirstHeader("Last-Modified"));
            // http header expires
            appendTimeField(builder, hg.getFirstHeader("Expires"));

            // http header etag
            appendField(builder, hg.getFirstHeader("ETag"));
            // http header redirect ('Location' header?)
            appendField(builder, hg.getFirstHeader("Location"));
            // ip ('e')
            appendField(builder, h.getIp());
            // original URI
            appendField(builder, h.getUrl());
            // TODO MAYBE - a title from inside content? 

            writer.println(builder.toString());
            count++;
        }
        wcdxFile.renameTo(new File(wcdxPath));
    } catch (IOException e) {
        // soldier on: but leave '.open' wcdx file as indicator of error
        if (!wcdxFile.exists()) {
            try {
                wcdxFile.createNewFile();
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                throw new RuntimeException(e1);
            }
        }
    } catch (RuntimeException e) {
        // soldier on: but leave '.open' wcdx file as indicator of error
        if (!wcdxFile.exists()) {
            try {
                wcdxFile.createNewFile();
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                throw new RuntimeException(e1);
            }
        }
    } finally {
        if (writer != null) {
            writer.close();
        }
    }

    return new Object[] { wcdxPath, count };
}

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From source file:com.jstar.eclipse.services.ConsoleService.java

public PrintStream getConsoleStream() {
    MessageConsole myConsole = getConsole();
    MessageConsoleStream out = myConsole.newMessageStream();
    return new PrintStream(out);
}

---

From source file:gaffer.accumulo.utils.IngestUtils.java

/**
 * Get the existing splits from a table in Accumulo and write a splits file.
 * The number of splits is returned./* w ww. ja  v a2s  . com*/
 * 
 * @param conn  An existing connection to an Accumulo instance
 * @param table  The table name
 * @param fs  The FileSystem in which to create the splits file
 * @param splitsFile  A path for the splits file
 * @return The number of splits in the table
 * @throws TableNotFoundException
 * @throws IOException
 */
public static int createSplitsFile(Connector conn, String table, FileSystem fs, Path splitsFile)
        throws TableNotFoundException, IOException {
    // Get the splits from the table
    Collection<Text> splits = conn.tableOperations().getSplits(table);

    // Write the splits to file
    if (splits.isEmpty()) {
        return 0;
    }
    PrintStream out = new PrintStream(new BufferedOutputStream(fs.create(splitsFile, true)));
    for (Text split : splits) {
        out.println(new String(Base64.encodeBase64(split.getBytes())));
    }
    out.close();

    return splits.size();
}

---

From source file:at.ac.tuwien.big.moea.print.PopulationWriter.java

@Override
public String write(final Iterable<S> population) {
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final PrintStream ps = new PrintStream(baos);
    write(ps, population);/*from  w  ww  . j  av  a  2 s  .c om*/
    ps.close();
    try {
        return baos.toString("UTF-8");
    } catch (final UnsupportedEncodingException e) {
        return e.getMessage();
    }
}

---

From source file:com.kixeye.chassis.bootstrap.configuration.file.PropertiesFileConfigurationWriter.java

@Override
public void write(Configuration configuration, Filter filter) {
    try (FileOutputStream fos = new FileOutputStream(outputFile)) {
        dump(Configurations.asMap(configuration), filter, new PrintStream(fos));
    } catch (Exception e) {
        LOGGER.error("Unable to write configs to file {}", outputFile);
    }//from   w  w  w  .j a  v  a2 s . co  m
}

---

From source file:com.moscona.dataSpace.ExportHelper.java

public void csvExport(DataFrame df, String fileName, boolean includeMetaData)
        throws FileNotFoundException, DataSpaceException {
    // FIXME exports sorted and label columns twice - once populated and once not - the populated ones are the wrong ones
    PrintStream out = new PrintStream(new File(fileName));
    try {//from w  w w.  j a  v  a2 s  . co  m
        ArrayList<String> labels = new ArrayList<String>();
        ArrayList<String> sorted = new ArrayList<String>();

        for (String col : df.getColumnNames()) {
            if (df.isLabel(col)) {
                labels.add(col);
            }
            if (df.get(col).isSorted()) {
                sorted.add(col);
            }
        }

        if (includeMetaData) {
            csvOut(out, "name", df.getName());
            csvOut(out, "description", df.getDescription());
            csvOut(out, "row ID", df.getRowId());
            csvOut(out, "sort column", df.getSortColumn());

            Collections.sort(labels);
            Collections.sort(sorted);

            out.println(excelQuote("label columns") + "," + StringUtils.join(labels, ","));
            out.println(excelQuote("sorted columns") + "," + StringUtils.join(sorted, ","));
            out.println();
        }

        ArrayList<String> columns = new ArrayList<String>();
        ArrayList<String> remaining = new ArrayList<String>(df.getColumnNames());
        if (df.getRowId() != null) {
            // make first column the row ID
            String rowId = df.getRowId();
            columns.add(rowId);
            remaining.remove(rowId);
        }
        // add all the sorted columns
        columns.addAll(sorted);
        remaining.removeAll(sorted);
        remaining.removeAll(labels); // those will come in last
        Collections.sort(remaining);
        columns.addAll(remaining);
        columns.addAll(labels);

        out.println(StringUtils.join(columns, ","));
        IVectorIterator<Map<String, IScalar>> iterator = df.iterator();
        while (iterator.hasNext()) {
            Map<String, IScalar> row = iterator.next();
            ArrayList<String> values = new ArrayList<String>();
            for (String col : columns) {
                values.add(toCsvString(row.get(col)));
            }
            out.println(StringUtils.join(values, ","));
        }
    } finally {
        out.close();
    }
}

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From source file:edu.stanford.muse.graph.directed.Digraph.java

private void setOut(String file) throws FileNotFoundException {
    out = new PrintStream(file);
}

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From source file:com.googlecode.android_scripting.jsonrpc.JsonRpcServerTest.java

public void testValidHandshake() throws IOException, JSONException {
    JsonRpcServer server = new JsonRpcServer(null, "foo");
    InetSocketAddress address = server.startLocal(0);
    Socket client = new Socket();
    client.connect(address);//  w ww .j a v a2s. c  om
    PrintStream out = new PrintStream(client.getOutputStream());
    out.println(buildRequest(0, "_authenticate", Lists.newArrayList("foo")));
    BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
    JSONObject response = new JSONObject(in.readLine());
    Object error = response.get("error");
    assertEquals(JSONObject.NULL, error);
    client.close();
    server.shutdown();
}

---

From source file:com.adaptris.util.stream.Slf4jLoggingOutputStreamTest.java

@Test
public void testLogDebug() throws Exception {
    PrintStream out = new PrintStream(new Slf4jLoggingOutputStream(LogLevel.DEBUG));
    out.println(TEXT);// w w w  . j av  a 2s .  com
    out.flush();
    out.close();
}

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From source file:com.sangupta.jerry.print.ConsoleTableWriter.java

/**
 * Output the data of the table as a JSON
 * // ww  w . j  av a 2 s  .c  om
 * @param table
 *            the {@link ConsoleTable} to output
 * 
 * @param out
 *            the {@link PrintWriter} to write to
 */
public void writeJson(ConsoleTable table, PrintWriter writer) {
    OutputStream os = new WriterOutputStream(writer);
    PrintStream ps = new PrintStream(os);
    try {
        writeJson(table, ps);
    } finally {
        ps.close();
    }
}

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