Example usage for java.io PrintWriter PrintWriter

List of usage examples for java.io PrintWriter PrintWriter

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Introduction

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

Prototype

public PrintWriter(File file) throws FileNotFoundException

Source Link

Document

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

Usage

From source file:JGraphLoader.GraphSaver.java

public static void saveG(String filename, Graph g) {

    final AbstractLayout layout = new StaticLayout(g);

    GraphMLWriter<node, edge> graphWriter = new GraphMLWriter<node, edge>();
    try {/*  w  ww. j  av  a  2 s. c o  m*/
        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(filename)));

        graphWriter.addEdgeData("id", null, "0", new Transformer<edge, String>() {
            @Override
            public String transform(edge i) {
                return i.getValue();
            }
        });
        /*
         graphWriter.addVertexData("y", null, "0",
         new Transformer<node, String>() {
         public String transform(node v) {
         return Double.toString(layout.getY(v));
         }
         }
         );*/

        graphWriter.save(g, out);
    } catch (IOException ex) {
        Logger.getLogger(GraphSaver.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:Main.java

public static void startLogger(String file) {
    if (writer != null) {
        stopLogger();/*from   w w  w  .  j a va 2  s.  c  om*/
    }
    try {
        writer = new PrintWriter(new FileWriter(file));
    } catch (Exception e) {
        e.printStackTrace();
        if (writer != null) {
            writer.close();
        }
    }
}

From source file:Main.java

private static void overwriteXmlFile(File xmlFile, Document document, Transformer transformer)
        throws FileNotFoundException, TransformerException {
    StreamResult result = new StreamResult(new PrintWriter(new FileOutputStream(xmlFile, false)));
    DOMSource source = new DOMSource(document);
    transformer.transform(source, result);
}

From source file:com.dianping.lion.util.ThrowableUtils.java

public static String extractStackTrace(Throwable t, int maxLen) {
    StringWriter me = new StringWriter();
    PrintWriter pw = new PrintWriter(me);
    t.printStackTrace(pw);/*from w  w w. j av  a 2 s.c  o m*/
    pw.flush();
    return StringUtils.substring(me.toString(), 0, maxLen);
}

From source file:Main.java

/**
 * Return the absolute path to the hub database.
 *
 * @return path The path to the db as a string
 *//*from  ww w. ja  v a  2 s.c o  m*/
private static String getDbPath() {
    if (Debug)
        Log.i(TAG, "getDBPath() called.");

    String path = Environment.getExternalStorageDirectory().getPath() + "/" + BASE_DIR;

    File dbDir = new File(path);
    if (!dbDir.isDirectory()) {
        try {
            if (Debug)
                Log.i(TAG, "Trying to create " + path);
            dbDir.mkdirs();
        } catch (Exception e) {
            final Writer result = new StringWriter();
            final PrintWriter printWriter = new PrintWriter(result);
            e.printStackTrace(printWriter);
            Log.e(TAG, result.toString());
        }
    }
    return path;
}

From source file:Main.java

static public String outputTextDoc(Node outputNode) {
    StringWriter out = new StringWriter();
    PrintWriter pOut = new PrintWriter(out);
    outputNode(outputNode, pOut, 0);/*from ww w  .  jav  a2 s . co m*/
    return (out.toString());
}

From source file:Main.java

/**
 * @param thread a thread/*from  w w  w. j a v  a2  s  .  c om*/
 * @return a human-readable representation of the thread's stack trace
 */
public static String formatStackTrace(Thread thread) {
    Throwable t = new Throwable(
            String.format("Stack trace for thread %s (State: %s):", thread.getName(), thread.getState()));
    t.setStackTrace(thread.getStackTrace());
    StringWriter sw = new StringWriter();
    t.printStackTrace(new PrintWriter(sw));
    return sw.toString();
}

From source file:Main.java

public static String toString(Throwable e) {
    StringWriter w = new StringWriter();
    PrintWriter p = new PrintWriter(w);
    p.print(e.getClass().getName() + ": ");
    if (e.getMessage() != null) {
        p.print(e.getMessage() + "\n");
    }/*w  w  w  . j  a va2 s .com*/
    p.println();
    try {
        e.printStackTrace(p);
        return w.toString();
    } finally {
        p.close();
    }
}

From source file:at.peppol.smp.client.console.SMPClient.java

public static void main(final String[] args) throws Exception {
    if (false) {//ww  w. jav  a 2  s. co m
        // Enable this section in development mode, if you want to trust all HTTPS
        // certificates
        final SSLContext aSSLContext = SSLContext.getInstance("SSL");
        aSSLContext.init(null, new TrustManager[] { new DoNothingTrustManager() },
                VerySecureRandom.getInstance());
        HttpsURLConnection.setDefaultSSLSocketFactory(aSSLContext.getSocketFactory());
    }

    final SMPClientOptions aOptions = new SMPClientOptions();
    final CommandLine cmd = new PosixParser().parse(aOptions, args);

    ECommand eAction = null;
    boolean bGoodCmd = true;
    String cert = null;

    if (!cmd.hasOption("h")) {
        s_aLogger.error("No Host specified use -h to specify Host");
        bGoodCmd = false;
    }

    if (!cmd.hasOption("u")) {
        s_aLogger.error("No Username specified use -u to specify username");
        bGoodCmd = false;
    }

    if (!cmd.hasOption("p")) {
        s_aLogger.error("No Password specified use -p to specify password");
        bGoodCmd = false;
    }

    if (!cmd.hasOption("c")) {
        s_aLogger.error("No Action specified please use -c parameter to specify command("
                + ECommand.getAllAsString() + ")");
        bGoodCmd = false;
    } else {
        final String sCommand = cmd.getOptionValue("c");
        eAction = ECommand.getFromNameOrNull(sCommand);
        if (eAction == null) {
            s_aLogger.error("Illegal Action specified:" + sCommand + " allowed commands("
                    + ECommand.getAllAsString() + ")");
            bGoodCmd = false;
        } else
            switch (eAction) {
            case ADDGROUP:
                if (!cmd.hasOption("b")) {
                    s_aLogger.error(
                            "No Business/Participant ID specified use -b to specify Business/Participant ID");
                    bGoodCmd = false;
                }
                break;
            case DELGROUP:
                if (!cmd.hasOption("b")) {
                    s_aLogger.error(
                            "No Business/Participant ID specified use -b to specify Business/Participant ID");
                    bGoodCmd = false;
                }
                break;
            case ADD:
                if (!cmd.hasOption("a")) {
                    s_aLogger.error("No Accesspoint URL defined use -a to Specifify AP-URL");
                    bGoodCmd = false;
                }
                if (!cmd.hasOption("b")) {
                    s_aLogger.error(
                            "No Business/Participant ID specified use -b to specify Business/Participant ID");
                    bGoodCmd = false;
                }
                if (!cmd.hasOption("d")) {
                    s_aLogger.error("No DocumentType ID specified use -d to specify Document Type ID");
                    bGoodCmd = false;
                }
                if (!cmd.hasOption("r")) {
                    s_aLogger.error("No Process ID specified use -r to specify Process ID");
                    bGoodCmd = false;
                }
                if (!cmd.hasOption("e")) {
                    s_aLogger.error("No Certificate PEM file specified use -e to specify Certificate PEM file");
                    bGoodCmd = false;
                } else {
                    cert = SimpleFileIO.readFileAsString(new File(cmd.getOptionValue('e')),
                            CCharset.CHARSET_ISO_8859_1);
                }
                break;
            case DEL:
                if (!cmd.hasOption("b")) {
                    s_aLogger.error(
                            "No Business/Participant ID specified use -b to specify Business/Participant ID");
                    bGoodCmd = false;
                }
                if (!cmd.hasOption("d")) {
                    s_aLogger.error("No Document Type ID specified use -d to specify Document Type ID");
                    bGoodCmd = false;
                }
            }
    }

    if (!bGoodCmd) {
        final NonBlockingStringWriter aSW = new NonBlockingStringWriter();
        new HelpFormatter().printHelp(new PrintWriter(aSW), HelpFormatter.DEFAULT_WIDTH,
                CGStringHelper.getClassLocalName(SMPClient.class), null, aOptions,
                HelpFormatter.DEFAULT_LEFT_PAD, HelpFormatter.DEFAULT_DESC_PAD, null);
        s_aLogger.info(aSW.getAsString());
        System.exit(-3);
    }

    final SMPClient client = new SMPClient(new URI(cmd.getOptionValue('h')), cmd.getOptionValue('u'),
            cmd.getOptionValue('p'), cmd.getOptionValue('b'), cmd.getOptionValue('d'), cmd.getOptionValue('r'),
            cmd.getOptionValue('a'), cert);

    switch (eAction) {
    case ADDGROUP:
        client._createServiceGroup();
        break;
    case DELGROUP:
        client._deleteServiceGroup();
        break;
    case ADD:
        client._addDocument();
        break;
    case DEL:
        client._deleteDocument();
        break;
    case LIST:
        client._listDocuments();
        break;
    default:
        throw new IllegalStateException();
    }
}

From source file:Main.java

/**
 * Print the stack trace for a SQLException to STDERR.
 *
 * @param e SQLException to print stack trace of
 *///from w w  w.  j av  a 2  s  . c om
public static void printStackTrace(SQLException e) {
    printStackTrace(e, new PrintWriter(System.err));
}