Example usage for java.util Map isEmpty

List of usage examples for java.util Map isEmpty

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. Map
  6. isEmpty

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:org.apache.camel.component.box.internal.BoxClientHelper.java

@SuppressWarnings("deprecation")
public static CachedBoxClient createBoxClient(final BoxConfiguration configuration) {

    final String clientId = configuration.getClientId();
    final String clientSecret = configuration.getClientSecret();

    final IAuthSecureStorage authSecureStorage = configuration.getAuthSecureStorage();
    final String userName = configuration.getUserName();
    final String userPassword = configuration.getUserPassword();

    if ((authSecureStorage == null && ObjectHelper.isEmpty(userPassword)) || ObjectHelper.isEmpty(userName)
            || ObjectHelper.isEmpty(clientId) || ObjectHelper.isEmpty(clientSecret)) {
        throw new IllegalArgumentException("Missing one or more required properties "
                + "clientId, clientSecret, userName and either authSecureStorage or userPassword");
    }/*  w w  w.ja va 2  s .  c  o  m*/
    LOG.debug("Creating BoxClient for login:{}, client_id:{} ...", userName, clientId);

    // if set, use configured connection manager builder
    final BoxConnectionManagerBuilder connectionManagerBuilder = configuration.getConnectionManagerBuilder();
    final BoxConnectionManagerBuilder connectionManager = connectionManagerBuilder != null
            ? connectionManagerBuilder
            : new BoxConnectionManagerBuilder();

    // create REST client for BoxClient
    final ClientConnectionManager[] clientConnectionManager = new ClientConnectionManager[1];
    final IBoxRESTClient restClient = new BoxRESTClient(connectionManager.build()) {
        @Override
        public HttpClient getRawHttpClient() {
            final HttpClient httpClient = super.getRawHttpClient();
            clientConnectionManager[0] = httpClient.getConnectionManager();

            // set custom HTTP params
            final Map<String, Object> configParams = configuration.getHttpParams();
            if (configParams != null && !configParams.isEmpty()) {
                LOG.debug("Setting {} HTTP Params", configParams.size());

                final HttpParams httpParams = httpClient.getParams();
                for (Map.Entry<String, Object> param : configParams.entrySet()) {
                    httpParams.setParameter(param.getKey(), param.getValue());
                }
            }

            return httpClient;
        }
    };
    final BoxClient boxClient = new BoxClient(clientId, clientSecret, null, null, restClient,
            configuration.getBoxConfig());

    // enable OAuth auto-refresh
    boxClient.setAutoRefreshOAuth(true);

    // wrap the configured storage in a caching storage
    final CachingSecureStorage storage = new CachingSecureStorage(authSecureStorage);

    // set up a listener to notify secure storage and user provided listener, store it in configuration!
    final OAuthHelperListener listener = new OAuthHelperListener(storage, configuration.getRefreshListener());
    boxClient.addOAuthRefreshListener(listener);

    final CachedBoxClient cachedBoxClient = new CachedBoxClient(boxClient, userName, clientId, storage,
            listener, clientConnectionManager);
    LOG.debug("BoxClient created {}", cachedBoxClient);
    return cachedBoxClient;
}

From source file:de.innovationgate.wgpublisher.bi.BiBase.java

public static String getUsername(javax.servlet.jsp.PageContext pageContext, String dbKey, String format)
        throws WGException {

    Map hm = WGACore.getSessionLogins(pageContext.getSession());

    WGDatabase db = getDB(pageContext, dbKey);

    if (hm == null)
        return "";
    if (hm.isEmpty())
        return "";
    if (dbKey.equals(""))
        return "";

    String fullUsername = db.getSessionContext().getUser();

    WGFactory.getInstance().closeSessions();

    if (format != null) {
        if (format.equals("")) {
            return fullUsername;
        }/*from   w  w w .  j  a va2  s  .c  o  m*/
        if (format.equals("CN")) {
            int pos2 = fullUsername.indexOf("/");
            if (pos2 != -1) {
                return fullUsername.substring(3, pos2);
            } else {
                return fullUsername;
            }
        }
        return fullUsername;
    } else {
        return fullUsername;
    }

}

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

/**
 * Method used to generate a training Dataframe to a DataframeMatrix 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.//w ww .  ja  v a  2 s.co  m
 * 
 * @param dataset
 * @param addConstantColumn
 * @param recordIdsReference
 * @param featureIdsReference
 * @return 
 */
public static DataframeMatrix newInstance(Dataframe dataset, boolean addConstantColumn,
        Map<Integer, Integer> recordIdsReference, Map<Object, Integer> featureIdsReference) {
    if (!featureIdsReference.isEmpty()) {
        throw new IllegalArgumentException("The featureIdsReference map should be empty.");
    }

    setStorageEngine(dataset);

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

    if (addConstantColumn) {
        ++d;
    }

    DataframeMatrix m = new DataframeMatrix(new MapRealMatrix(n, d), new MapRealVector(n));

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

    boolean extractY = (dataset.getYDataType() == TypeInference.DataType.NUMERICAL);

    int featureId = 0;
    if (addConstantColumn) {
        for (int row = 0; row < n; ++row) {
            m.X.setEntry(row, featureId, 1.0); //put the constant in evey row
        }
        featureIdsReference.put(Dataframe.COLUMN_NAME_CONSTANT, featureId);
        ++featureId;
    }

    int rowId = 0;
    for (Map.Entry<Integer, Record> e : dataset.entries()) {
        Integer rId = e.getKey();
        Record r = e.getValue();
        if (recordIdsReference != null) {
            recordIdsReference.put(rId, rowId);
        }

        if (extractY) {
            m.Y.setEntry(rowId, TypeInference.toDouble(r.getY()));
        }

        for (Map.Entry<Object, Object> entry : r.getX().entrySet()) {
            Object feature = entry.getKey();
            Integer knownFeatureId = featureIdsReference.get(feature);
            if (knownFeatureId == null) {
                featureIdsReference.put(feature, featureId);
                knownFeatureId = featureId;

                ++featureId;
            }

            Double value = TypeInference.toDouble(entry.getValue());
            if (value != null) {
                m.X.setEntry(rowId, knownFeatureId, value);
            } //else the X matrix maintains the 0.0 default value
        }
        ++rowId;
    }

    return m;
}

From source file:ca.uhn.fhir.rest.client.BaseHttpClientInvocation.java

protected static void appendExtraParamsWithQuestionMark(Map<String, List<String>> theExtraParams,
        StringBuilder theUrlBuilder, boolean theWithQuestionMark) {
    if (theExtraParams == null) {
        return;/*from w  ww .  j ava2 s. c  o  m*/
    }
    boolean first = theWithQuestionMark;

    if (theExtraParams != null && theExtraParams.isEmpty() == false) {
        for (Entry<String, List<String>> next : theExtraParams.entrySet()) {
            for (String nextValue : next.getValue()) {
                if (first) {
                    theUrlBuilder.append('?');
                    first = false;
                } else {
                    theUrlBuilder.append('&');
                }
                try {
                    theUrlBuilder.append(URLEncoder.encode(next.getKey(), "UTF-8"));
                    theUrlBuilder.append('=');
                    theUrlBuilder.append(URLEncoder.encode(nextValue, "UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    throw new Error("UTF-8 not supported - This should not happen");
                }
            }
        }
    }
}

From source file:com.wisdombud.right.client.common.HttpKit.java

/**
 * Build queryString of the url//w  w  w  .  ja  v a 2s.co m
 */
private static String buildUrlWithQueryString(String url, Map<String, String> queryParas) {
    if (queryParas == null || queryParas.isEmpty()) {
        return url;
    }

    final StringBuilder sb = new StringBuilder(url);
    boolean isFirst;
    if (!url.contains("?")) {
        isFirst = true;
        sb.append("?");
    } else {
        isFirst = false;
    }

    for (final Entry<String, String> entry : queryParas.entrySet()) {
        if (isFirst) {
            isFirst = false;
        } else {
            sb.append("&");
        }

        final String key = entry.getKey();
        String value = entry.getValue();
        if (StringUtils.isNotEmpty(value)) {
            try {
                value = URLEncoder.encode(value, CHARSET);
            } catch (final UnsupportedEncodingException e) {
                throw new RuntimeException(e);
            }
        }
        sb.append(key).append("=").append(value);
    }
    return sb.toString();
}

From source file:com.github.gaoyangthu.core.hbase.HbaseSynchronizationManager.java

/**
 * Actually remove the value of the resource that is bound for the given key.
 *///from ww w  . j a va  2s. c  om
private static HTableInterface doUnbindResource(Object actualKey) {
    Map<String, HTableInterface> map = resources.get();
    if (map == null) {
        return null;
    }
    HTableInterface value = map.remove(actualKey);
    // Remove entire ThreadLocal if empty...
    if (map.isEmpty()) {
        resources.remove();
    }

    if (value != null && logger.isTraceEnabled()) {
        logger.trace("Removed value [" + value + "] for key [" + actualKey + "] from thread ["
                + Thread.currentThread().getName() + "]");
    }
    return value;
}

From source file:br.com.thiagopagonha.psnapi.gcm.ServerUtilities.java

/**
 * Issue a POST request to the server./*from   w w  w.  j a v a  2  s  .c  om*/
 * 
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 * 
 * @throws IOException
 *             propagated from POST.
 */
private static void request(Method method, String endpoint, Map<String, String> params) throws IOException {

    String body = null;

    if (params != null && !params.isEmpty()) {
        StringBuilder bodyBuilder = new StringBuilder();
        Iterator<Entry<String, String>> iterator = params.entrySet().iterator();
        // constructs the POST body using the parameters
        while (iterator.hasNext()) {
            Entry<String, String> param = iterator.next();
            bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
            if (iterator.hasNext()) {
                bodyBuilder.append('&');
            }
        }

        body = bodyBuilder.toString();
    }

    URI url;
    try {
        if (!POST.equals(method)) {
            url = new URI(endpoint + "?" + body);
        } else {
            url = new URI(endpoint);
        }

        Log.v(TAG, "Posting '" + body + "' to " + url);

        HttpUriRequest request;

        HttpClient httpclient = new DefaultHttpClient();

        if (POST.equals(method)) {
            List nameValuePairs = new ArrayList();

            for (Map.Entry<String, String> param : params.entrySet()) {
                nameValuePairs.add(new BasicNameValuePair(param.getKey(), param.getValue()));
            }

            request = new HttpPost(url);

            ((HttpPost) request).setEntity(new UrlEncodedFormEntity(nameValuePairs));
        } else if (DELETE.equals(method)) {
            request = new HttpDelete(url);
        } else {
            request = new HttpGet(url);
        }

        HttpResponse response = httpclient.execute(request);
        InputStream content = response.getEntity().getContent();

        BufferedReader r = new BufferedReader(new InputStreamReader(content));
        StringBuilder total = new StringBuilder();
        String line;
        while ((line = r.readLine()) != null) {
            total.append(line);
        }

        // handle the response
        int status = response.getStatusLine().getStatusCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status + " and message " + total);
        }

    } catch (URISyntaxException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }

}

From source file:lti.oauth.OAuthUtil.java

public static String constructAuthorizationHeader(String realm, Map<String, String> parameters) {
    StringBuilder header = new StringBuilder();
    if (realm != null) {
        header.append(" realm=\"").append(OAuthUtil.percentEncode(realm)).append('"');
    }/*from  ww  w. j av  a  2  s  . c  o m*/

    if (parameters != null && !parameters.isEmpty()) {
        for (Entry<String, String> entry : parameters.entrySet()) {
            String key = entry.getKey();
            if (key.startsWith("oauth_")) {
                String value = StringUtils.defaultString(entry.getValue());
                if (header.length() > 0)
                    header.append(",");
                header.append(" ");
                header.append(OAuthUtil.percentEncode(key)).append("=\"");
                header.append(OAuthUtil.percentEncode(value)).append('"');
            }
        }
    }

    return AUTH_SCHEME + header.toString();
}

From source file:io.cloudslang.content.couchbase.utils.InputsUtil.java

public static String getPayloadString(Map<String, String> payloadMap, String separator, String suffix,
        boolean deleteLastChar) {
    if (payloadMap.isEmpty()) {
        return EMPTY;
    }//from   w  w w .j  a  va  2  s. co m

    StringBuilder sb = new StringBuilder();
    for (Map.Entry<String, String> entry : payloadMap.entrySet()) {
        sb.append(entry.getKey()).append(separator).append(entry.getValue()).append(suffix);
    }

    return deleteLastChar ? sb.deleteCharAt(sb.length() - 1).toString() : sb.toString();
}

From source file:org.echocat.jomon.net.http.HttpUtils.java

@Nonnull
public static HttpGet getFor(@Nonnull URI uri, @Nonnull Charset charset,
        @Nullable Map<String, String> parameters) throws UnsupportedEncodingException {
    final HttpGet httpGet;
    if (parameters != null && !parameters.isEmpty()) {
        final StringBuilder sb = new StringBuilder();
        sb.append(uri);//  w w w .  java  2 s  .  co  m
        boolean questionMarkAdded = uri.getQuery() != null;
        for (final Entry<String, String> keyToValue : parameters.entrySet()) {
            if (questionMarkAdded) {
                sb.append('&');
            } else {
                sb.append('?');
                questionMarkAdded = true;
            }
            sb.append(encode(keyToValue.getKey(), charset.name())).append('=')
                    .append(encode(keyToValue.getValue(), charset.name()));
        }
        httpGet = new HttpGet(create(sb.toString()));
    } else {
        httpGet = new HttpGet(uri);
    }
    return httpGet;
}