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:io.fabric8.maven.core.util.kubernetes.KubernetesClientUtil.java

public static FilterWatchListDeletable<Pod, PodList, Boolean, Watch, Watcher<Pod>> withSelector(
        NonNamespaceOperation<Pod, PodList, DoneablePod, PodResource<Pod, DoneablePod>> pods,
        LabelSelector selector, Logger log) {
    FilterWatchListDeletable<Pod, PodList, Boolean, Watch, Watcher<Pod>> answer = pods;
    Map<String, String> matchLabels = selector.getMatchLabels();
    if (matchLabels != null && !matchLabels.isEmpty()) {
        answer = answer.withLabels(matchLabels);
    }//from  w ww. ja v  a2s  .co m
    List<LabelSelectorRequirement> matchExpressions = selector.getMatchExpressions();
    if (matchExpressions != null) {
        for (LabelSelectorRequirement expression : matchExpressions) {
            String key = expression.getKey();
            List<String> values = expression.getValues();
            if (StringUtils.isBlank(key)) {
                log.warn("Ignoring empty key in selector expression %s", expression);
                continue;
            }
            if (values == null || values.isEmpty()) {
                log.warn("Ignoring empty values in selector expression %s", expression);
                continue;
            }
            String[] valuesArray = values.toArray(new String[values.size()]);
            String operator = expression.getOperator();
            switch (operator) {
            case "In":
                answer = answer.withLabelIn(key, valuesArray);
                break;
            case "NotIn":
                answer = answer.withLabelNotIn(key, valuesArray);
                break;
            default:
                log.warn("Ignoring unknown operator %s in selector expression %s", operator, expression);
            }
        }
    }
    return answer;
}

From source file:com.datumbox.framework.core.common.dataobjects.DataframeMatrix.java

/**
 * Parses a single Record and converts it to RealVector by using an already
 * existing mapping between feature names and column ids. 
 * /*from   w ww  . j  a  v a 2s . c  o  m*/
 * @param r
 * @param featureIdsReference
 * @return 
 */
public static RealVector parseRecord(Record r, Map<Object, Integer> featureIdsReference) {
    if (featureIdsReference.isEmpty()) {
        throw new IllegalArgumentException("The featureIdsReference map should not be empty.");
    }

    int d = featureIdsReference.size();

    //create an Map-backed vector only if we have available info about configuration.
    RealVector v = (storageEngine != null) ? new MapRealVector(d) : new OpenMapRealVector(d);

    boolean addConstantColumn = featureIdsReference.containsKey(Dataframe.COLUMN_NAME_CONSTANT);

    if (addConstantColumn) {
        v.setEntry(0, 1.0); //add the constant column
    }
    for (Map.Entry<Object, Object> entry : r.getX().entrySet()) {
        Object feature = entry.getKey();
        Double value = TypeInference.toDouble(entry.getValue());
        if (value != null) {
            Integer featureId = featureIdsReference.get(feature);
            if (featureId != null) {//if the feature exists
                v.setEntry(featureId, value);
            }
        } else {
            //else the X matrix maintains the 0.0 default value
        }
    }

    return v;
}

From source file:edu.umass.cs.gigapaxos.paxospackets.PrepareReplyPacket.java

private static int getMinSlot(int firstSlot, Map<Integer, PValuePacket> acceptedMap) {
    Integer minSlot = null;//from  w w w .j a v  a  2 s.  c o  m
    if (acceptedMap != null && !acceptedMap.isEmpty()) {
        for (Integer curSlot : acceptedMap.keySet()) {
            if (minSlot == null)
                minSlot = curSlot;
            else if (curSlot - minSlot < 0)
                minSlot = curSlot;
        }
    }
    if (minSlot == null)
        minSlot = firstSlot;
    return minSlot;
}

From source file:com.codelanx.codelanxlib.inventory.iinterface.InventoryPanel.java

static InventoryPanel valueOf(InventoryInterface ii, Object o) {
    Map<String, Object> map = Config.getConfigSectionValue(o);
    if (map == null || map.isEmpty()) {
        return null;
    }//from   w  w w  .j ava2s .  c o  m
    List<Object> objs = (List<Object>) map.get("icons");
    Boolean root = Boolean.valueOf(String.valueOf(map.get("root")));
    String name = String.valueOf(map.get("name"));
    if (objs != null && root != null) {
        List<MenuIcon> icons = objs.stream().map(obj -> MenuIcon.valueOf(ii, obj)).filter(Lambdas::notNull)
                .collect(Collectors.toList());
        int rows;
        if (map.get("rows") == null) {
            rows = (icons.size() / 9) + 1;
        } else {
            rows = Integer.valueOf(String.valueOf(map.get("rows")));
        }
        InventoryPanel ip = ii.newPanel(name, rows);
        ip.icons.addAll(icons);
        ip.icons.forEach(i -> ip.locations.put(ip.index++, i));
        if (root) {
            ii.setRootPanel(ip);
        }
        return ip;
    } else {
        return null;
    }
}

From source file:com.hhi.bigdata.platform.push.client.RegisterUtil.java

/**
 * <pre>//from w  ww  . j  a v a  2 s.com
 * 3rd party? app ??   API 
 * </pre>
 * @param webUrl
 * @param appName
 * @param keyFile
 * @param dplFile
 * @return
 * @throws Exception
 */
@SuppressWarnings("unchecked")
public static APIInfo registCertificate(String webUrl, String appName, PrivateKey key, URI dplFile)
        throws Exception {
    String result = null;

    /*
     * url :   api url + "/{appName}"
     * param : appName - 3rd party app name
     *         appNameEnc - 3rd party app name? HHI? ? private key ? ? (byte[] base-64 ?)
     *         dpl - HHI? ? dpl file
     */
    Client client = ClientBuilder.newBuilder().register(MultiPartFeature.class).build();
    WebTarget webTarget = client.target(webUrl + "/" + appName);

    MultiPart multiPart = new MultiPart();
    multiPart.setMediaType(MediaType.MULTIPART_FORM_DATA_TYPE);

    FileDataBodyPart fileDataBodyPart = new FileDataBodyPart("dpl", new File(dplFile),
            MediaType.APPLICATION_OCTET_STREAM_TYPE);

    multiPart.bodyPart(new FormDataBodyPart("appNameEnc", getAppNameEnc(key, appName)));
    multiPart.bodyPart(fileDataBodyPart);

    Response response = webTarget.request().post(Entity.entity(multiPart, MediaType.MULTIPART_FORM_DATA));
    result = response.readEntity(String.class);

    System.err.println("result : " + result);

    Map<String, Object> map = new HashMap<String, Object>();
    map = mapper.readValue(result, new TypeReference<HashMap<String, Object>>() {
    });

    if (map.get("message") != null) {
        throw new Exception((String) map.get("message"));
    }

    APIInfo apiInfo = null;
    Map<String, String> apiInfoMap = (Map<String, String>) map.get("apiInfo");
    if (apiInfoMap != null && !apiInfoMap.isEmpty()) {
        apiInfo = new APIInfo();

        apiInfo.setUsername(apiInfoMap.get("username"));
        apiInfo.setPassword(apiInfoMap.get("password"));
        apiInfo.setConsumerKey(apiInfoMap.get("consumerKey"));
        apiInfo.setConsumerSecret(apiInfoMap.get("consumerSecret"));
    }

    return apiInfo;
}

From source file:com.github.util.HttpHandler.java

/**
 * Convert a Map to UrlEncodedFormEntity
 *
 * @param parameters A Map of key:value//w ww.ja v a2s .c om
 * @return UrlEncodedFormEntity using UTF-8 encoding
 * @throws java.io.UnsupportedEncodingException
 *          if UTF-8 encoding is not supported
 */
private static UrlEncodedFormEntity mapToEntity(Map<String, String> parameters)
        throws UnsupportedEncodingException {
    if (parameters == null) {
        throw new IllegalArgumentException("Invalid parameters unable map to Entity");
    }

    if (parameters.isEmpty()) {
        return null;
    }

    ArrayList<NameValuePair> parametersList = new ArrayList<NameValuePair>();

    for (@SuppressWarnings("rawtypes")
    Map.Entry element : parameters.entrySet()) {
        NameValuePair nameValuePair = new BasicNameValuePair((String) element.getKey(),
                (String) element.getValue());
        parametersList.add(nameValuePair);
    }

    return new UrlEncodedFormEntity(parametersList, HTTP.UTF_8);
}

From source file:com.glaf.core.entity.mybatis.MyBatisSessionFactory.java

public static Map<String, byte[]> getLibMappers() {
    List<String> includes = new ArrayList<String>();
    includes.add("Mapper.xml");
    Map<String, byte[]> dataMap = new HashMap<String, byte[]>();
    String path = SystemProperties.getConfigRootPath() + "/lib";
    File dir = new File(path);
    File contents[] = dir.listFiles();
    if (contents != null) {
        ZipInputStream zipInputStream = null;
        for (int i = 0; i < contents.length; i++) {
            if (contents[i].isFile() && contents[i].getName().startsWith("glaf")
                    && contents[i].getName().endsWith(".jar")) {
                try {
                    zipInputStream = new ZipInputStream(
                            FileUtils.getInputStream(contents[i].getAbsolutePath()));
                    Map<String, byte[]> zipMap = getZipBytesMap(zipInputStream);
                    if (zipMap != null && !zipMap.isEmpty()) {
                        dataMap.putAll(zipMap);
                    }//from  ww  w. j  a  va  2 s .  co  m
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
            }
        }
    }
    return dataMap;
}

From source file:com.carlomicieli.jtrains.value.objects.LocalizedField.java

/**
 * Builds a new {@code LocalizedField} using the value from the provided map.
 * <p>//  w  w w.  j a v a 2  s  .co  m
 *     The method returns {@code null} if the provided map is either null or
 *     empty.
 * </p>
 *
 * @param values the map
 * @return a {@code LocalizedField}
 */
public static <T> LocalizedField<T> of(Map<String, T> values) {
    if (values == null || values.isEmpty()) {
        return null;
    }
    return new LocalizedField<>(values);
}

From source file:edu.umass.cs.gigapaxos.paxospackets.PrepareReplyPacket.java

private static int getMaxSlot(int firstSlot, Map<Integer, PValuePacket> acceptedMap) {
    Integer maxSlot = firstSlot - 1;
    if (acceptedMap != null && !acceptedMap.isEmpty()) {
        for (Integer curSlot : acceptedMap.keySet())
            if (curSlot - maxSlot > 0)
                maxSlot = curSlot;//from ww w .j a v a  2  s  .com
    }
    return maxSlot;
}

From source file:org.opendatakit.api.forms.FormService.java

static String getTableIdFromFiles(Map<String, byte[]> files) {
    String tableId = null;/*from  www . jav  a2s .  c  om*/
    if (files != null && !files.isEmpty()) {
        for (String filename : files.keySet()) {
            if (filename.endsWith("definition.csv")) {

                tableId = FileManager.getTableIdForFilePath(filename);
                break;
            }
        }
    }
    if (tableId == null) {
        throw new WebApplicationException(ErrorConsts.NO_TABLE_ID_IN_DEFINITION_FILE,
                HttpServletResponse.SC_BAD_REQUEST);
    }
    return tableId;
}