Example usage for java.util Map isEmpty

List of usage examples for java.util Map isEmpty

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Introduction

In this page you can find the example usage for java.util Map isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this map contains no key-value mappings.

Usage

From source file:com.hangum.tadpole.engine.restful.RESTfulAPIUtils.java

/**
 * Return SQL Paramter/*from  w  w w  .j ava2s.  co  m*/
 * 
 * @param strSQL
 * @return
 */
public static String getParameter(String strSQL) {
    String strArguments = "";
    OracleStyleSQLNamedParameterUtil oracleNamedParamUtil = OracleStyleSQLNamedParameterUtil.getInstance();
    oracleNamedParamUtil.parse(strSQL);
    Map<Integer, String> mapIndex = oracleNamedParamUtil.getMapIndexToName();
    if (!mapIndex.isEmpty()) {
        for (String strParam : mapIndex.values()) {
            strArguments += String.format("%s={%s_value}&", strParam, strParam);
        }
        strArguments = StringUtils.removeEnd(strArguments, "&");

    } else {
        strArguments = "";//1={FirstParameter}&2={SecondParameter}";
    }

    return strArguments;
}

From source file:com.evolveum.midpoint.schema.result.OperationResultFactory.java

public static OperationResultType createOperationResult(String operation, OperationResultStatusType status,
        Map<String, Element> params) {

    OperationResultType result = createOperationResult(operation, status);
    if (params == null || params.isEmpty()) {
        return result;
    }//from  ww  w .j a  va 2 s  . co  m

    ObjectFactory factory = new ObjectFactory();
    ParamsType paramsType = factory.createParamsType();
    result.setParams(paramsType);

    EntryType entryType;
    Set<Entry<String, Element>> set = params.entrySet();
    for (Entry<String, Element> entry : set) {
        entryType = factory.createEntryType();
        entryType.setKey(entry.getKey());
        entryType.setEntryValue(new JAXBElement(EntryType.F_ENTRY_VALUE, Element.class, entry.getValue()));

        paramsType.getEntry().add(entryType);
    }

    return result;
}

From source file:com.datumbox.common.dataobjects.MatrixDataset.java

/**
 * Method used to generate a Dataset to a MatrixDataset and extracts its contents
 * to Matrixes. It populates the featureIdsReference map with the mappings
 * between the feature names and the column ids of the matrix. Typically used
 * to convert the training dataset./*from   w  w w . j av a 2s. c  o  m*/
 * 
 * @param dataset
 * @param addConstantColumn
 * @param featureIdsReference
 * @return 
 */
public static MatrixDataset newInstance(Dataset dataset, boolean addConstantColumn,
        Map<Object, Integer> featureIdsReference) {
    if (!featureIdsReference.isEmpty()) {
        throw new RuntimeException("The featureIdsReference map should be empty.");
    }

    int n = dataset.size();
    int d = dataset.getColumnSize();

    if (addConstantColumn) {
        ++d;
    }

    MatrixDataset m = new MatrixDataset(new ArrayRealVector(n), new BlockRealMatrix(n, d), featureIdsReference);

    if (dataset.isEmpty()) {
        return m;
    }

    boolean extractY = (Dataset
            .value2ColumnType(dataset.iterator().next().getY()) == Dataset.ColumnType.NUMERICAL);

    int previousFeatureId = 0;
    if (addConstantColumn) {
        for (int row = 0; row < n; ++row) {
            m.X.setEntry(row, previousFeatureId, 1.0); //put the constant in evey row
        }
        m.feature2ColumnId.put(Dataset.constantColumnName, previousFeatureId);
        ++previousFeatureId;
    }

    for (Record r : dataset) {
        int row = r.getId();

        if (extractY) {
            m.Y.setEntry(row, Dataset.toDouble(r.getY()));
        }

        for (Map.Entry<Object, Object> entry : r.getX().entrySet()) {
            Object feature = entry.getKey();
            Integer featureId = m.feature2ColumnId.get(feature);
            if (featureId == null) {
                featureId = previousFeatureId;
                m.feature2ColumnId.put(feature, featureId);
                ++previousFeatureId;
            }

            Double value = Dataset.toDouble(entry.getValue());
            if (value != null) {
                m.X.setEntry(row, featureId, value);
            } else {
                //else the X matrix maintains the 0.0 default value
            }
        }
    }

    return m;
}

From source file:net.sf.dynamicreports.jasper.base.tableofcontents.JasperTocReport.java

public static void createTocReport(JasperReportDesign jasperReportDesign, JasperPrint jasperPrint)
        throws DRException, JRException {
    JasperCustomValues customValues = jasperReportDesign.getCustomValues();
    Map<String, JasperTocHeading> headings = customValues.getTocHeadings();
    if (headings != null && !headings.isEmpty()) {
        JasperReportBuilder tocReport = report();

        List<JasperTocHeading> headingList = new ArrayList<JasperTocHeading>();
        int pageNumber = 1;
        for (JRPrintPage page : jasperPrint.getPages()) {
            for (JRPrintElement element : page.getElements()) {
                addTocHeading(headings, headingList, element, pageNumber);
            }//  ww  w. j av a 2 s . c om
            pageNumber++;
        }

        int levels = 0;
        for (JasperTocHeading heading : headingList) {
            if (heading.getLevel() > levels) {
                levels = heading.getLevel();
            }
        }
        levels++;

        DRIDesignPage designPage = jasperReportDesign.getReport().getPage();
        DRPage tocPage = tocReport.getReport().getPage();
        tocPage.setWidth(designPage.getWidth());
        tocPage.setHeight(designPage.getHeight());
        tocPage.setOrientation(designPage.getOrientation());
        DRIDesignMargin designMargin = designPage.getMargin();
        MarginBuilder tocMargin = margin();
        tocMargin.setTop(designMargin.getTop());
        tocMargin.setLeft(designMargin.getLeft());
        tocMargin.setBottom(designMargin.getBottom());
        tocMargin.setRight(designMargin.getRight());
        tocReport.setPageMargin(tocMargin);
        tocReport.setDataSource(new JRBeanCollectionDataSource(headingList));

        DRITableOfContentsCustomizer tableOfContents = jasperReportDesign.getReport()
                .getTableOfContentsCustomizer();
        tableOfContents.setReport(tocReport);
        tableOfContents.setHeadingList(headingList);
        tableOfContents.setHeadings(headings.size());
        tableOfContents.setLevels(levels);
        tableOfContents.customize();

        TableOfContentsPosition tableOfContentsPosition = tableOfContents.getPosition();
        if (tableOfContentsPosition == null) {
            tableOfContentsPosition = Defaults.getDefaults().getTableOfContentsPosition();
        }
        JasperPrint tocJasperPrint = tocReport.toJasperPrint();
        for (int i = 0; i < tocJasperPrint.getPages().size(); i++) {
            JRPrintPage page = tocJasperPrint.getPages().get(i);
            switch (tableOfContentsPosition) {
            case TOP:
                jasperPrint.addPage(i, page);
                break;
            case BOTTOM:
                jasperPrint.addPage(page);
                break;
            default:
                throw new JasperDesignException(
                        "Table of contents position " + tableOfContentsPosition.name() + " not supported");
            }
        }
        for (JRStyle style : tocJasperPrint.getStyles()) {
            jasperPrint.addStyle(style);
        }
    }
}

From source file:fm.pattern.spin.config.SpinConfiguration.java

private static List<Instance> resolveInstances(Map<String, Map<String, Object>> model) {
    List<Instance> instances = new ArrayList<>();

    for (Map.Entry<String, Map<String, Object>> entry : model.entrySet()) {
        String name = entry.getKey();
        if (name.equals("startup")) {
            continue;
        }/*from   w ww  . j a  v a2s .c  o  m*/

        Map<String, Object> map = entry.getValue();

        String start = (String) map.get("start");
        if (StringUtils.isEmpty(start)) {
            throw new SpinConfigurationException(
                    "Invalid Spin configuration - 'start' is required attribute for " + name);
        }

        String stop = (String) map.get("stop");
        if (StringUtils.isEmpty(stop)) {
            throw new SpinConfigurationException(
                    "Invalid Spin configuration - 'stop' is required attribute for " + name);
        }

        String ping = (String) map.get("ping");
        if (StringUtils.isBlank(ping)) {
            throw new SpinConfigurationException(
                    "Invalid Spin configuration - 'ping' is a required attribute for " + name);
        }

        Instance instance = new Instance(name, start, stop, ping);

        String path = (String) map.get("path");
        if (StringUtils.isNotBlank(path)) {
            instance.setPath(path);
        }

        Map<String, String> environment = (Map<String, String>) map.get("environment");
        if (environment != null && !environment.isEmpty()) {
            instance.setEnvironment(environment);
        }

        instances.add(instance);
    }

    return instances;
}

From source file:com.google.api.tools.framework.importers.swagger.MultiSwaggerParser.java

/**
 * Ensures that all files are valid json/yaml and does schema validation on swagger spec. Returns
 *
 * <p>the valid swagger file./*  ww w .ja  v  a 2s  . c om*/
 *
 * @throws SwaggerConversionException
 */
private static Map<String, File> validateInputFiles(Map<String, FileWrapper> savedFilePaths)
        throws SwaggerConversionException {
    Map<String, File> topLevelSwaggerFiles = getTopLevelSwaggerFiles(savedFilePaths);
    if (topLevelSwaggerFiles.isEmpty()) {
        throw new SwaggerConversionException(String
                .format("Cannot find a valid swagger %s spec in the input files", CURRENT_SWAGGER_VERSION));
    }
    return topLevelSwaggerFiles;
}

From source file:com.longtime.ajy.support.weixin.HttpsKit.java

/**
 * @param url/*from   ww w  .  java 2 s. c o  m*/
 * @param params
 * @return
 */
private static String initParams(String url, Map<String, String> params) {
    if (null == params || params.isEmpty()) {
        return url;
    }
    StringBuilder sb = new StringBuilder(url);
    if (url.indexOf("?") == -1) {
        sb.append("?");
    } else {
        sb.append("&");
    }
    boolean first = true;
    for (Entry<String, String> entry : params.entrySet()) {
        if (first) {
            first = false;
        } else {
            sb.append("&");
        }
        String key = entry.getKey();
        String value = entry.getValue();
        sb.append(key).append("=");
        if (StringUtils.isNotEmpty(value)) {
            try {
                sb.append(URLEncoder.encode(value, DEFAULT_CHARSET));
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
                logger.error(url, e);
            }
        }
    }
    return sb.toString();
}

From source file:com.baasbox.service.push.providers.GCMServer.java

public static void validateApiKey(String apikey)
        throws MalformedURLException, IOException, PushInvalidApiKeyException {
    Message message = new Message.Builder().addData("message", "validateAPIKEY").build();
    Sender sender = new Sender(apikey);

    List<String> deviceid = new ArrayList<String>();
    deviceid.add("ABC");

    Map<Object, Object> jsonRequest = new HashMap<Object, Object>();
    jsonRequest.put(JSON_REGISTRATION_IDS, deviceid);
    Map<String, String> payload = message.getData();
    if (!payload.isEmpty()) {
        jsonRequest.put(JSON_PAYLOAD, payload);
    }//ww w . j  a  va2 s. c  o  m
    String requestBody = JSONValue.toJSONString(jsonRequest);

    String url = com.google.android.gcm.server.Constants.GCM_SEND_ENDPOINT;
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();

    byte[] bytes = requestBody.getBytes();

    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setFixedLengthStreamingMode(bytes.length);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");
    conn.setRequestProperty("Authorization", "key=" + apikey);
    OutputStream out = conn.getOutputStream();
    out.write(bytes);
    out.close();

    int status = conn.getResponseCode();
    if (status != 200) {
        if (status == 401) {
            throw new PushInvalidApiKeyException("Wrong api key");
        }
        if (status == 503) {
            throw new UnknownHostException();
        }
    }

}

From source file:se.uu.it.cs.recsys.ruleminer.datastructure.builder.FPTreeHeaderTableBuilder.java

/**
 *
 * @param idAndCount item id and count//from  w  ww. j  a va  2 s  .  c  o m
 * @param threshold, min support
 * @return non-null HeaderTableItem if the input contains id meets threshold
 * requirement; otherwise null.
 */
public static List<HeaderTableItem> build(Map<Integer, Integer> idAndCount, Integer threshold) {

    List<HeaderTableItem> instance = new ArrayList<>();

    Map<Integer, Integer> filteredIdAndCount = Util.filter(idAndCount, threshold);

    if (filteredIdAndCount.isEmpty()) {
        LOGGER.debug("Empty map after filtering. Empty list will be returned. Source: {}", idAndCount);
        return instance;
    }

    List<Integer> countList = new ArrayList<>(filteredIdAndCount.values());
    Collections.sort(countList);
    Collections.reverse(countList);// now the count is in DESC order

    for (int i = 1; i <= filteredIdAndCount.size(); i++) {
        instance.add(new HeaderTableItem()); // in order to call list.set(idx,elem)
    }

    Map<Integer, Set<Integer>> forIdsHavingSameCount = new HashMap<>();//different ids may have same count

    filteredIdAndCount.entrySet().forEach((entry) -> {
        Integer courseId = entry.getKey();
        Integer count = entry.getValue();

        Integer countFrequence = Collections.frequency(countList, count);

        if (countFrequence == 1) {
            Integer countIdx = countList.indexOf(count);
            instance.set(countIdx, new HeaderTableItem(new Item(courseId, count)));
        } else {
            // different ids have same count

            if (!forIdsHavingSameCount.containsKey(count)) {
                forIdsHavingSameCount.put(count, Util.findDuplicatesIndexes(countList, count));
            }

            Iterator<Integer> itr = forIdsHavingSameCount.get(count).iterator();
            Integer idx = itr.next();
            itr.remove();

            instance.set(idx, new HeaderTableItem(new Item(courseId, count)));
        }

    });

    //        LOGGER.debug("Final built header table: {}",
    //                instance.stream()
    //                .map(headerItem -> headerItem.getItem()).collect(Collectors.toList()));

    return instance;
}

From source file:de.bund.bfr.jung.JungUtils.java

private static double getDenominator(Map<?, Double> values) {
    if (values == null || values.isEmpty()) {
        return 1.0;
    }//from ww w. ja v a 2s  .com

    double max = Collections.max(values.values());

    return max != 0.0 ? max : 1.0;
}