Example usage for java.nio.file Files newBufferedWriter

List of usage examples for java.nio.file Files newBufferedWriter

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Introduction

In this page you can find the example usage for java.nio.file Files newBufferedWriter.

Prototype

public static BufferedWriter newBufferedWriter(Path path, OpenOption... options) throws IOException

Source Link

Document

Opens or creates a file for writing, returning a BufferedWriter to write text to the file in an efficient manner.

Usage

From source file:edu.mit.fss.examples.member.gui.PowerSubsystemPanel.java

/**
 * Export this panel's generation dataset.
 *///from  w  ww .  ja  va  2  s. c  o  m
private void exportDataset() {
    if (JFileChooser.APPROVE_OPTION == fileChooser.showSaveDialog(this)) {
        File f = fileChooser.getSelectedFile();

        if (!f.exists() || JOptionPane.YES_OPTION == JOptionPane.showConfirmDialog(this,
                "Overwrite existing file " + f.getName() + "?", "File Exists", JOptionPane.YES_NO_OPTION)) {

            logger.info("Exporting dataset to file " + f.getPath() + ".");
            try {
                BufferedWriter bw = Files.newBufferedWriter(Paths.get(f.getPath()), Charset.defaultCharset());

                StringBuilder b = new StringBuilder();
                b.append(" Generation\n").append("Time, Value\n");
                for (int j = 0; j < generationSeries.getItemCount(); j++) {
                    b.append(generationSeries.getTimePeriod(j).getStart().getTime()).append(", ")
                            .append(generationSeries.getValue(j)).append("\n");
                }

                bw.write(b.toString());
                bw.close();
            } catch (IOException e) {
                logger.error(e);
            }
        }
    }
}

From source file:com.gs.obevo.db.impl.platforms.oracle.OracleReveng.java

@Override
protected File printInstructions(PrintStream out, AquaRevengArgs args) {
    DbEnvironment env = getDbEnvironment(args);

    JdbcDataSourceFactory jdbcFactory = new OracleJdbcDataSourceFactory();
    DataSource ds = jdbcFactory.createDataSource(env, new Credential(args.getUsername(), args.getPassword()),
            1);//from  w ww .ja  va 2  s.  c  o m
    JdbcHelper jdbc = new JdbcHelper(null, false);

    Path interim = new File(args.getOutputPath(), "interim").toPath();
    interim.toFile().mkdirs();
    try (Connection conn = ds.getConnection();
            BufferedWriter fileWriter = Files.newBufferedWriter(interim.resolve("output.sql"),
                    Charset.defaultCharset())) {
        // https://docs.oracle.com/database/121/ARPLS/d_metada.htm#BGBJBFGE
        // Note - can't remap schema name, object name, tablespace name within JDBC calls; we will leave that to the existing code in AbstractDdlReveng
        jdbc.update(conn,
                "{ CALL DBMS_METADATA.SET_TRANSFORM_PARAM(DBMS_METADATA.SESSION_TRANSFORM,'STORAGE',false) }");

        MutableList<Map<String, Object>> maps = jdbc.queryForList(conn,
                "SELECT CASE WHEN OBJECT_TYPE = 'TABLE' THEN 1 WHEN OBJECT_TYPE = 'INDEX' THEN 2 ELSE 3 END SORT_ORDER,\n"
                        + "    OBJECT_TYPE,\n"
                        + "    dbms_metadata.get_ddl(REPLACE(object_type,' ','_'), object_name, owner) || ';' AS object_ddl\n"
                        + "FROM DBA_OBJECTS WHERE OWNER = '" + args.getDbSchema()
                        + "' AND OBJECT_TYPE NOT IN ('PACKAGE BODY', 'LOB','MATERIALIZED VIEW', 'TABLE PARTITION')\n"
                        + "ORDER BY 1");

        for (Map<String, Object> map : maps) {
            Clob clobObject = (Clob) map.get("OBJECT_DDL");
            InputStream in = clobObject.getAsciiStream();
            StringWriter w = new StringWriter();
            try {
                IOUtils.copy(in, w);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
            String clobAsString = w.toString();
            clobAsString = clobAsString.replaceAll(";.*$", "");

            LOG.debug("Content for {}: ", map.get("OBJECT_TYPE"), clobAsString);
            fileWriter.write(clobAsString);
            fileWriter.newLine();
            fileWriter.write("~");
            fileWriter.newLine();
        }
    } catch (SQLException | IOException e) {
        throw new RuntimeException(e);
    }

    return interim.toFile();
}

From source file:sonicScream.services.SettingsService.java

/**
 *Serializes all current settings objects out to disk, to the specified directory, 
 * relative to the current directory. A folder separator is automatically 
 * appended to the passed string.//from w ww  . ja  v a2s.com
 * @param pathToWriteTo The name, or relative path of the folder to write to, without a trailing slash.
 */
public void saveSettings(String pathToWriteTo) {
    if (pathToWriteTo.length() > 2
            && !(pathToWriteTo.charAt(pathToWriteTo.length() - 1) == File.separatorChar)) {
        pathToWriteTo = pathToWriteTo.concat(File.separator);
    }
    try {
        JAXBContext context = JAXBContext.newInstance(SettingsMapWrapper.class);
        Marshaller m = context.createMarshaller();
        m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

        Path settingsFile = Paths.get(pathToWriteTo, Constants.SETTINGS_FILE_NAME);
        try (BufferedWriter bw = Files.newBufferedWriter(settingsFile, StandardOpenOption.CREATE)) {
            SettingsMapWrapper wrapper = new SettingsMapWrapper();
            wrapper.setSettingsMap(_settingsDictionary);
            m.marshal(wrapper, bw);
        } catch (IOException ex) {
            System.err.println("Failed to write out " + Constants.SETTINGS_FILE_NAME);
        }

        context = JAXBContext.newInstance(CRCsMapWrapper.class);
        m = context.createMarshaller();
        m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

        Path crcFile = Paths.get(pathToWriteTo, Constants.CRC_CACHE_FILE_NAME);
        try (BufferedWriter bw = Files.newBufferedWriter(crcFile, StandardOpenOption.CREATE)) {
            CRCsMapWrapper wrapper = new CRCsMapWrapper();
            wrapper.setCRCsMap(_crcDictionary);
            m.marshal(wrapper, bw);
        } catch (IOException ex) {
            System.err.println("Failed to write out " + Constants.CRC_CACHE_FILE_NAME);
        }

        context = JAXBContext.newInstance(Profile.class);
        m = context.createMarshaller();
        m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

        for (Profile profile : _profileList) {
            try {
                Files.createDirectories(Paths.get(pathToWriteTo, Constants.PROFILES_DIRECTORY, File.separator,
                        profile.getProfileName()));
            } catch (IOException ex) {
                //TODO: Tell the user
                ex.printStackTrace();
                break;
            }
            Path profilePath = Paths.get(pathToWriteTo, Constants.PROFILES_DIRECTORY, File.separator,
                    profile.getProfileName(), File.separator,
                    profile.getProfileName() + "_" + Constants.PROFILE_FILE_SUFFIX);
            try (BufferedWriter bw = Files.newBufferedWriter(profilePath)) {
                m.marshal(profile, bw);
            } catch (IOException ex) {
                System.err.printf("\nFailed to write out profile: %s " + ex.getMessage());
            }
        }
    } catch (JAXBException ex) {
        //TODO: Error message
        ex.printStackTrace();
    }

}

From source file:org.sleuthkit.autopsy.timeline.snapshot.SnapShotReportWriter.java

/**
 * Fill in the mustache template at the given location using the values from
 * the given context object and save it to the given outPutFile.
 *
 * @param templateLocation The location of the template. suitible for use
 *                         with Class.getResourceAsStream
 * @param templateName     The name of the tempalte. (Used by mustache to
 *                         cache templates?)
 * @param context          The contect to use to fill in the template
 *                         values.//from  w w w .  j a  v a  2  s. c om
 * @param outPutFile       The filled in tempalte will be saced at this
 *                         Path.
 *
 * @throws IOException If there is a problem saving the filled in template
 *                     to disk.
 */
private void fillTemplateAndWrite(final String templateLocation, final String templateName, Object context,
        final Path outPutFile) throws IOException {

    Mustache summaryMustache = mf.compile(
            new InputStreamReader(SnapShotReportWriter.class.getResourceAsStream(templateLocation)),
            templateName);
    try (Writer writer = Files.newBufferedWriter(outPutFile, Charset.forName("UTF-8"))) { //NON-NLS
        summaryMustache.execute(writer, context);
    }
}

From source file:eu.itesla_project.modules.validation.OfflineValidationTool.java

private static void writeAttributesFiles(Set<RuleId> rulesIds,
        Map<String, Map<RuleId, Map<HistoDbAttributeId, Object>>> valuesPerRulePerCase, Path outputDir)
        throws IOException {
    for (RuleId ruleId : rulesIds) {
        Path attributesFile = outputDir.resolve("attributes_" + ruleId.toString() + ".csv");

        System.out.println("writing " + attributesFile + "...");

        try (BufferedWriter writer = Files.newBufferedWriter(attributesFile, StandardCharsets.UTF_8)) {
            writer.write("base case");

            Set<HistoDbAttributeId> allAttributeIds = new LinkedHashSet<>();
            for (Map<RuleId, Map<HistoDbAttributeId, Object>> valuesPerRule : valuesPerRulePerCase.values()) {
                Map<HistoDbAttributeId, Object> values = valuesPerRule.get(ruleId);
                if (values != null) {
                    allAttributeIds.addAll(values.keySet());
                }//from  w ww . j a v a 2  s.  co  m
            }

            for (HistoDbAttributeId attributeId : allAttributeIds) {
                writer.write(CSV_SEPARATOR);
                writer.write(attributeId.toString());
            }
            writer.newLine();

            for (Map.Entry<String, Map<RuleId, Map<HistoDbAttributeId, Object>>> e : valuesPerRulePerCase
                    .entrySet()) {
                String baseCaseName = e.getKey();
                Map<RuleId, Map<HistoDbAttributeId, Object>> valuesPerRule = e.getValue();
                writer.write(baseCaseName);

                Map<HistoDbAttributeId, Object> values = valuesPerRule.get(ruleId);
                for (HistoDbAttributeId attributeId : allAttributeIds) {
                    writer.write(CSV_SEPARATOR);
                    Object value = values.get(attributeId);
                    if (value != null && !(value instanceof Float && Float.isNaN((Float) value))) {
                        writer.write(Objects.toString(values.get(attributeId)));
                    }
                }

                writer.newLine();
            }
        }
    }
}

From source file:sadl.models.pdta.PDTA.java

public void toGraphvizFile(Path resultPath) throws IOException {
    try (BufferedWriter writer = Files.newBufferedWriter(resultPath, StandardCharsets.UTF_8)) {
        writer.write("digraph G {\n");

        // write states
        for (final PDTAState state : states.valueCollection()) {

            writer.write(Integer.toString(state.getId()));
            writer.write(" [shape=");

            if (state.isFinalState()) {
                writer.write("double");
            }/*from   w w  w .  j  a  v  a 2 s  .  c o m*/

            writer.write("circle, label=\"" + Integer.toString(state.getId()) + "\"");
            writer.write("]\n");
        }

        for (final PDTAState state : states.valueCollection()) {
            for (final TreeMap<Double, PDTATransition> transitions : state.getTransitions().values()) {
                for (final PDTATransition transition : transitions.values()) {
                    writer.write(Integer.toString(state.getId()) + "->"
                            + Integer.toString(transition.getTarget().getId()) + " [label=<"
                            + transition.getEvent().getSymbol() + ">;];\n");
                }
            }
        }

        writer.write("}");
    }
}

From source file:org.mda.bcb.tcgagsdata.create.ProcessFile.java

protected void writeDiseaseToSampleFile() throws IOException {
    File outputDir = getOutputDir();
    File outputFile = new File(outputDir, "disease_sample.tsv");
    try (BufferedWriter bw = Files.newBufferedWriter(Paths.get(outputFile.getAbsolutePath()),
            Charset.availableCharsets().get("ISO-8859-1"))) {
        for (ArrayList<String> outputList : mDiseaseToSampleLists) {
            boolean first = true;
            for (String data : outputList) {
                if (false == first) {
                    bw.write("\t");
                } else {
                    first = false;//  ww  w . j ava  2 s . c  om
                }
                bw.write(data);
            }
            bw.newLine();
        }
    }
}

From source file:tmn.dev.project.Player.java

/**
 * Generate an HTML file containing the player's data in order to display
 * this information in a web browser/* w  w w  .j a  va2s.  c  o m*/
 * 
 * @param fileToWrite
 *            The .html file where the player data will be written
 * @throws IOException
 */
public void writeToHTML(File fileToWrite) throws IOException {
    // Compute the values we will need
    computeTotalsAndAvg();

    // Create the batting average over time plot
    String baPlotName = createBAPlot();

    // Initialize the file writer
    BufferedWriter writer = Files.newBufferedWriter(fileToWrite.toPath(), Charset.forName("UTF-8"));

    // Write the HTML file header
    writeHeader(writer);

    // Write the player data to HTML
    writeStatBoxes(writer);

    // Write the batting average plot
    writeBAPlot(writer, baPlotName);

    // Write the NTML file footer
    writeFooter(writer);

    // Close the file
    writer.close();
}

From source file:de.upb.timok.models.PDTTA.java

public void toGraphvizFile(Path graphvizResult, boolean compressed) throws IOException {
    final BufferedWriter writer = Files.newBufferedWriter(graphvizResult, StandardCharsets.UTF_8);
    writer.write("digraph G {\n");
    // start states
    writer.write("qi [shape = point ];");
    // write states
    for (final int state : finalStateProbabilities.keys()) {
        writer.write(Integer.toString(state));
        writer.write(" [shape=");
        final double finalProb = finalStateProbabilities.get(state);
        if (finalProb > 0 || (compressed && finalProb > 0.01)) {
            writer.write("double");
        }/*from   w  w  w  . j  ava  2  s .  c om*/
        writer.write("circle, label=\"");
        writer.write(Integer.toString(state));
        if (finalProb > 0 || (compressed && finalProb > 0.01)) {
            writer.write(" - P= ");
            writer.write(Double.toString(Precision.round(finalProb, 2)));
        }
        writer.write("\"];\n");
    }
    writer.write("qi -> 0;");
    // write transitions
    for (final Transition t : transitions) {
        if (compressed && t.getProbability() <= 0.01) {
            continue;
        }
        // 0 -> 0 [label=0.06];
        writer.write(Integer.toString(t.getFromState()));
        writer.write(" -> ");
        writer.write(Integer.toString(t.getToState()));
        writer.write(" [label=\"");
        writer.write(Integer.toString(t.getSymbol()));
        if (t.getProbability() > 0) {
            writer.write(" p=");
            writer.write(Double.toString(Precision.round(t.getProbability(), 2)));
        }
        writer.write("\"];\n");

    }
    writer.write("}");
    writer.close();

}

From source file:popgenutils.dfcp.PrepareVCF4DFCP.java

/**
 * /*from  ww w . j  a v  a  2s.  c  o m*/
 */
private void filterhet() {
    StringBuilder header = new StringBuilder();
    try (BufferedReader in = Files.newBufferedReader(Paths.get(filename), Charset.forName("UTF-8"))) {
        BufferedWriter out = null;

        String line = null;
        while ((line = in.readLine()) != null) {

            if (line.startsWith("#CHROM")) {
                //samples begin at 9
                out = Files.newBufferedWriter(
                        Paths.get(
                                output_dir + "/" + hetindex + "_hetfilter" + Paths.get(filename).getFileName()),
                        Charset.forName("UTF-8"));
                out.write(header.toString());
                out.write(line + System.getProperty("line.separator"));
            } else if (line.startsWith("#")) {
                header.append(line + System.getProperty("line.separator"));
            } else {
                // format at 8
                String[] parts = line.split("\t");
                String[] parts2 = parts[8].split(":");
                int gt_pos = 0;
                for (int i = 1; i < parts2.length; i++) {
                    if (parts2[i].equals("GT"))
                        gt_pos = i;
                }
                parts2 = parts[9 + hetindex].split("\\||/");
                if (!parts2[0].equals(parts2[1]))
                    out.write(line + System.getProperty("line.separator"));
            }
        }
        out.close();
    } catch (IOException e) {
        System.err.println("could not read from file " + filename);
        e.printStackTrace();
    }
}