Example usage for java.lang Float parseFloat

Introduction

In this page you can find the example usage for java.lang Float parseFloat.

Prototype

public static float parseFloat(String s) throws NumberFormatException 

Source Link

Document

Returns a new float initialized to the value represented by the specified String , as performed by the valueOf method of class Float .

Usage

From source file:de.dmxcontrol.executor.EntityExecutor.java

public static EntityExecutor Receive(JSONObject o) {
    EntityExecutor entity = null;//w ww  .j ava  2s . com
    try {
        if (o.getString("Type").equals(NetworkID)) {
            entity = new EntityExecutor(o.getInt("Number"), o.getString("Name"));
            entity.guid = o.getString("GUID");
            if (o.has("Value")) {
                entity.value = Float.parseFloat(o.getString("Value").replace(",", "."));
            }
            if (o.has("Flash")) {
                entity.flash = o.getBoolean("Flash");
            }
            if (o.has("Toggle")) {
                entity.toggle = o.getBoolean("Toggle");
            }
            if (o.has("FaderMode")) {
                entity.faderMode = o.getInt("FaderMode");
            }
        }
    } catch (Exception e) {
        Log.e("UDP Listener", e.getMessage());
        DMXControlApplication.SaveLog();
    }
    o = null;
    if (o == null) {
        ;
    }
    return entity;
}

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From source file:MasterRoomControllerFx.rooms.charts.RoomChartController.java

public void getTempData() {
    try {/*  w w w  .j  a va2s.c  o m*/
        File csvData = new File("tempHistory" + roomRow + roomColumn + ".csv");
        if (csvData.exists()) {
            CSVParser parser = CSVParser.parse(csvData, StandardCharsets.UTF_8,
                    CSVFormat.EXCEL.withDelimiter(';'));
            for (CSVRecord csvRecord : parser) {
                for (int i = 0; i < csvRecord.size(); i++) {
                    if (i == 0)
                        temp.add(Float.parseFloat(csvRecord.get(i)));
                    if (i == 1)
                        time.add(csvRecord.get(i));
                }
            }
        }
    } catch (IOException ex) {
        Logger.getLogger(RoomChartController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:AdminPackage.AdminAddProductController.java

/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request servlet request/*from  w  w  w  .ja  va2s  . c om*/
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    HProductDao pDao = new HProductDao();
    Product product = new Product();
    Categories c = new Categories();
    try {
        DiskFileItemFactory factory = new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        List<FileItem> items = upload.parseRequest(request);
        Iterator<FileItem> iter = items.iterator();
        while (iter.hasNext()) {

            FileItem item = iter.next();

            if (item.isFormField()) {
                String name = item.getFieldName();
                String value = item.getString();
                switch (name) {
                case "productName":
                    product.setProductName(value);
                    break;
                case "productDesc":
                    product.setProductDescription(value);
                    break;
                case "productPrice":
                    product.setProductPrice(Float.parseFloat(value));
                    break;
                case "productQuantityAvailable":
                    product.setProductQuntityavailable(Integer.parseInt(value));
                    break;
                case "productQuantitySold":
                    product.setProductQuntitysold(Integer.parseInt(value));
                    break;
                case "productCategory":
                    c.setIdcategory(Integer.parseInt(value));
                    product.setCategories(c);
                    break;
                }
            } else {
                if (!item.isFormField()) {
                    item.write(new File("C:/images/" + item.getName()));
                    product.setProductImg(item.getName());
                }
            }

        }
    } catch (FileUploadException ex) {
        ex.printStackTrace();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    pDao.insert(product);
    /*     PrintWriter out = response.getWriter();
     out.write("Done");*/

    response.sendRedirect("/WebProjectServletJsp/AdminProductController");
}

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From source file:com.appglu.impl.util.StringUtils.java

public static Float stringToFloat(String string) {
    if (isEmpty(string)) {
        return null;
    }//  ww  w  . j  av a2 s.c  o  m
    try {
        return Float.parseFloat(string);
    } catch (NumberFormatException e) {
        return null;
    }
}

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From source file:com.joliciel.talismane.machineLearning.maxent.custom.RealValueFileEventStream2.java

@Override
public Event next() {
    StringTokenizer st = new StringTokenizer(line);
    String outcome = st.nextToken();
    if (outcome.equals("&null;"))
        outcome = "";
    else if (outcome.equals("&space;"))
        outcome = " ";

    int count = st.countTokens();
    // Assaf update: read real values from file
    boolean hasValues = line.contains("=");
    String[] context = new String[count];
    float[] values = null;
    if (hasValues)
        values = new float[count];
    for (int ci = 0; ci < count; ci++) {
        String token = st.nextToken();
        if (hasValues) {
            int equalsPos = token.lastIndexOf('=');
            if (equalsPos < 0) {
                LOG.error("Missing value");
                LOG.error("Line: " + line);
                LOG.error("Token: " + token);
                throw new RuntimeException("Missing value, on token \"" + token + "\"");
            }// w  w  w.ja  va 2s.  c  om
            context[ci] = token.substring(0, equalsPos);
            values[ci] = Float.parseFloat(token.substring(equalsPos + 1));
        } else {
            context[ci] = token;
        }
    }
    Event event = null;
    if (hasValues)
        event = new Event(outcome, context, values);
    else
        event = new Event(outcome, context);
    return event;
}

---

From source file:com.xpn.xwiki.plugin.image.ImagePlugin.java

@Override
public void init(XWikiContext context) {
    super.init(context);
    initCache(context);//from ww  w  .j  av a 2 s.  co  m

    String defaultQualityParam = context.getWiki().Param("xwiki.plugin.image.defaultQuality");
    if (!StringUtils.isBlank(defaultQualityParam)) {
        try {
            this.defaultQuality = Math.max(0, Math.min(1, Float.parseFloat(defaultQualityParam.trim())));
        } catch (NumberFormatException e) {
            LOG.warn("Failed to parse xwiki.plugin.image.defaultQuality configuration parameter. "
                    + "Using {} as the default image quality.", this.defaultQuality);
        }
    }
}

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From source file:de.avanux.smartapplianceenabler.appliance.HttpElectricityMeter.java

@Override
public float getPower() {
    CloseableHttpResponse response = null;
    try {//from   w w  w.  j  ava 2 s . c  o  m
        response = sendHttpRequest(url, data, getContentType(), getUsername(), getPassword());
        if (response != null && response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            String responseString = EntityUtils.toString(response.getEntity());
            String valueString = extractPowerValueFromResponse(responseString, powerValueExtractionRegex);
            logger.debug("Power value extracted from HTTP response: " + valueString);
            return Float.parseFloat(valueString) * factorToWatt;
        }
    } catch (Exception e) {
        logger.error("Error reading HTTP response", e);
    } finally {
        try {
            if (response != null) {
                response.close();
            }
        } catch (IOException e) {
            logger.error("Error closing HTTP response", e);
        }
    }
    return 0;
}

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From source file:com.frostwire.search.bitsnoop.BitSnoopSearchResult.java

private long parseSize(String group) {
    String[] size = group.trim().split(" ");
    String amount = size[0].trim();
    String unit = size[1].trim();

    long multiplier = BYTE_MULTIPLIERS[UNIT_TO_BYTE_MULTIPLIERS_MAP.get(unit)];

    //fractional size
    if (amount.indexOf(".") > 0) {
        float floatAmount = Float.parseFloat(amount);
        return (long) (floatAmount * multiplier);
    }/*from  w  w w  .  jav  a  2s  .  co m*/
    //integer based size
    else {
        int intAmount = Integer.parseInt(amount);
        return (long) (intAmount * multiplier);
    }
}

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From source file:info.plugmania.mazemania.Util.java

public static Location Str2Loc(String input) {
    if (input == null) {
        return null;
    }/*from   ww  w. j  a va  2 s . c  o  m*/

    Location loc;
    String[] parts = input.split(",");

    World world = plugin.getServer().getWorld(parts[0]);
    if (world == null) {
        Util.debug("WARNING: Str2Loc() world was invalid: " + input);
        return null;
    }

    loc = new Location(world, Double.parseDouble(parts[1]), Double.parseDouble(parts[2]),
            Double.parseDouble(parts[3]), Float.parseFloat(parts[4]), Float.parseFloat(parts[5]));
    return loc;
}

---

From source file:au.org.ala.delta.intkey.directives.SetReliabilitiesDirective.java

@Override
protected BasicIntkeyDirectiveInvocation doProcess(IntkeyContext context, String data) throws Exception {
    StringBuilder stringRepresentationBuilder = new StringBuilder();
    stringRepresentationBuilder.append(getControlWordsAsString());
    stringRepresentationBuilder.append(" ");

    IntkeyDataset dataset = context.getDataset();

    Map<Character, Float> reliabilitiesMap = new HashMap<Character, Float>();

    if (data == null || data.toUpperCase().startsWith(IntkeyDirectiveArgument.DEFAULT_DIALOG_WILDCARD)
            || data.toUpperCase().startsWith(IntkeyDirectiveArgument.KEYWORD_DIALOG_WILDCARD)
            || data.toUpperCase().startsWith(IntkeyDirectiveArgument.LIST_DIALOG_WILDCARD)) {
        SelectionMode selectionMode = context.displayKeywords() ? SelectionMode.KEYWORD : SelectionMode.LIST;

        if (data != null && data.startsWith(IntkeyDirectiveArgument.DEFAULT_DIALOG_WILDCARD)) {
            // do nothing - default selection mode is already set above.
        } else if (data != null && data.startsWith(IntkeyDirectiveArgument.KEYWORD_DIALOG_WILDCARD)) {
            selectionMode = SelectionMode.KEYWORD;
        } else if (data != null && data.startsWith(IntkeyDirectiveArgument.LIST_DIALOG_WILDCARD)) {
            selectionMode = SelectionMode.LIST;
        }//from w w  w.  j  a  va 2  s .  c o m

        List<Character> characters;
        List<String> selectedKeywords = new ArrayList<String>(); // not
                                                                 // used,
                                                                 // but
                                                                 // needs to
                                                                 // be
                                                                 // supplied
                                                                 // as an
                                                                 // argument
        if (selectionMode == SelectionMode.KEYWORD) {
            characters = context.getDirectivePopulator().promptForCharactersByKeyword(getControlWordsAsString(),
                    true, false, selectedKeywords);
        } else {
            characters = context.getDirectivePopulator().promptForCharactersByList(getControlWordsAsString(),
                    false, selectedKeywords);
        }

        if (characters == null) {
            // cancelled
            return null;
        }

        Float reliability = Float.parseFloat(context.getDirectivePopulator().promptForString(
                UIUtils.getResourceString("ReliabilityPrompt.caption"), null, getControlWordsAsString()));
        for (Character ch : characters) {
            reliabilitiesMap.put(ch, reliability);
        }

        if (!selectedKeywords.isEmpty()) {
            for (int i = 0; i < selectedKeywords.size(); i++) {
                if (i != 0) {
                    stringRepresentationBuilder.append(" ");
                }
                String keyword = selectedKeywords.get(i);
                if (keyword.contains(" ")) {
                    stringRepresentationBuilder.append("\"" + selectedKeywords.get(i) + "\"");
                } else {
                    stringRepresentationBuilder.append(selectedKeywords.get(i));
                }
                stringRepresentationBuilder.append(",");
                stringRepresentationBuilder.append(reliability);
            }
        } else {

        }
    } else {
        List<String> subCmds = ParsingUtils.tokenizeDirectiveCall(data);

        for (String subCmd : subCmds) {
            String[] tokens = subCmd.split(",");

            String strCharacters = tokens[0];
            String strReliability = tokens[1];

            List<Character> characters = new ArrayList<Character>();

            IntRange charRange = ParsingUtils.parseIntRange(strCharacters);
            if (charRange != null) {
                for (int index : charRange.toArray()) {
                    characters.add(dataset.getCharacter(index));
                }
            } else {
                characters = context.getCharactersForKeyword(strCharacters);
            }

            float reliability = Float.parseFloat(strReliability);

            for (Character ch : characters) {
                reliabilitiesMap.put(ch, reliability);
            }
        }
        stringRepresentationBuilder.append(data);
    }

    SetReliabilitiesDirectiveInvocation invoc = new SetReliabilitiesDirectiveInvocation(reliabilitiesMap);
    invoc.setStringRepresentation(stringRepresentationBuilder.toString());
    return invoc;
}

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