Example usage for java.util HashMap remove

Introduction

In this page you can find the example usage for java.util HashMap remove.

Prototype

public V remove(Object key) 

Source Link

Document

Removes the mapping for the specified key from this map if present.

Usage

From source file:Main.java

public static Object removeAdditionalInstanceField(Object obj, String key) {
    if (obj == null)
        throw new NullPointerException("object must not be null");
    if (key == null)
        throw new NullPointerException("key must not be null");

    HashMap<String, Object> objectFields;
    synchronized (additionalFields) {
        objectFields = additionalFields.get(obj);
        if (objectFields == null)
            return null;
    }/*  www.ja va2  s. c om*/

    synchronized (objectFields) {
        return objectFields.remove(key);
    }
}

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From source file:de.hbz.lobid.helper.CompareJsonMaps.java

private static void handleUnorderedValues(final HashMap<String, String> actualMap,
        final Entry<String, String> e) {
    if (checkIfAllValuesAreContainedUnordered(actualMap.get(e.getKey()), e.getValue())) {
        actualMap.remove(e.getKey());
        CompareJsonMaps.logger.debug("Removed " + e.getKey());
    } else {//w  ww .j  a  v  a 2s. co m
        CompareJsonMaps.logger.debug("Missing/wrong: " + e.getKey() + ", will fail");
    }
}

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From source file:com.dtolabs.rundeck.core.common.NodeEntryFactory.java

/**
 * Create NodeEntryImpl from map data.  It will convert "tags" of type String as a comma separated list of tags, or
 * "tags" a collection of strings into a set.  It will remove properties excluded from allowed import.
 *
 * @param map input map data/*  ww  w  .j av  a 2  s .c o  m*/
 *
 * @return
 *
 * @throws IllegalArgumentException
 */
@SuppressWarnings("unchecked")
public static NodeEntryImpl createFromMap(final Map<String, Object> map) throws IllegalArgumentException {
    final NodeEntryImpl nodeEntry = new NodeEntryImpl();
    final HashMap<String, Object> newmap = new HashMap<String, Object>(map);
    for (final String excludeProp : excludeProps) {
        newmap.remove(excludeProp);
    }
    if (null != newmap.get("tags") && newmap.get("tags") instanceof String) {
        String tags = (String) newmap.get("tags");
        String[] data;
        if ("".equals(tags.trim())) {
            data = new String[0];
        } else {
            data = tags.split(",");
        }
        final HashSet set = new HashSet();
        for (final String s : data) {
            if (null != s && !"".equals(s.trim())) {
                set.add(s.trim());
            }
        }
        newmap.put("tags", set);
    } else if (null != newmap.get("tags") && newmap.get("tags") instanceof Collection) {
        Collection tags = (Collection) newmap.get("tags");
        HashSet data = new HashSet();
        for (final Object tag : tags) {
            if (null != tag && !"".equals(tag.toString().trim())) {
                data.add(tag.toString().trim());
            }
        }
        newmap.put("tags", data);
    } else if (null != newmap.get("tags")) {
        Object o = newmap.get("tags");
        newmap.put("tags", new HashSet(Arrays.asList(o.toString().trim())));
    }
    try {
        BeanUtils.populate(nodeEntry, newmap);
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    } catch (InvocationTargetException e) {
        e.printStackTrace();
    }
    if (null == nodeEntry.getNodename()) {
        throw new IllegalArgumentException("Required property 'nodename' was not specified");
    }
    if (null == nodeEntry.getHostname()) {
        throw new IllegalArgumentException("Required property 'hostname' was not specified");
    }
    if (null == nodeEntry.getAttributes()) {
        nodeEntry.setAttributes(new HashMap<String, String>());
    }

    //populate attributes with any keys outside of nodeprops
    for (final Map.Entry<String, Object> entry : newmap.entrySet()) {
        if (!ResourceXMLConstants.allPropSet.contains(entry.getKey())) {
            nodeEntry.setAttribute(entry.getKey(), (String) entry.getValue());
        }
    }

    return nodeEntry;
}

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From source file:org.nines.RdfDocumentParser.java

public static HashMap<String, HashMap<String, ArrayList<String>>> parse(final File file,
        ErrorReport errorReport, LinkCollector linkCollector, RDFIndexerConfig config) throws IOException {

    largestTextSize = 0;//w  w w.ja  v a  2 s  . c  o m
    RDFXMLParser parser = new RDFXMLParser();
    NinesStatementHandler statementHandler = new NinesStatementHandler(errorReport, linkCollector, config);
    statementHandler.setFile(file);

    parser.setRDFHandler(statementHandler);
    parser.setParseErrorListener(new ParseListener(file, errorReport));
    parser.setVerifyData(true);
    parser.setStopAtFirstError(false);

    // parse file
    try {

        String content = validateContent(file, errorReport);
        parser.parse(new StringReader(content), "http://foo/" + file.getName());

    } catch (RDFParseException e) {
        errorReport.addError(new IndexerError(file.getName(), "",
                "Parse Error on Line " + e.getLineNumber() + ": " + e.getMessage()));
    } catch (RDFHandlerException e) {
        errorReport.addError(
                new IndexerError(file.getName(), "", "StatementHandler Exception: " + e.getMessage()));
    } catch (Exception e) {
        errorReport.addError(new IndexerError(file.getName(), "", "RDF Parser Error: " + e.getMessage()));
        e.printStackTrace();
    }

    // retrieve parsed data
    HashMap<String, HashMap<String, ArrayList<String>>> docHash = statementHandler
            .getDocuments(config.isPagesArchive());

    // process tags
    Collection<HashMap<String, ArrayList<String>>> documents = docHash.values();
    for (HashMap<String, ArrayList<String>> document : documents) {

        // normalize tags, replace spaces with dashes, lowercase
        ArrayList<String> tags = document.remove("tag");
        if (tags != null) {
            for (int i = 0; i < tags.size(); i++) {
                String tag = tags.get(i);
                tag = tag.toLowerCase();
                tag = tag.replaceAll(" ", "-");
                tags.set(i, tag);
            }
            // username is archive name
            String archive = document.get("archive").get(0);
            ArrayList<String> nameList = new ArrayList<String>();
            nameList.add(archive);
            document.put("username", nameList);
            document.put(archive + "_tag", tags);
        }
    }

    largestTextSize = statementHandler.getLargestTextSize();
    return docHash;
}

---

From source file:org.shangridocs.services.omim.OmimResource.java

public static String createStandardJson(String Search_link, String Num_results,
        ArrayList<HashMap<String, String>> entries) {

    String json = "";
    json += "{";/*from ww w.j  a va2 s .  c  o  m*/

    json += "\"Num_results\":\"" + Num_results + "\",";
    json += "\"Search_link\":\"" + Search_link + "\",";
    json += "\"Response\":[";
    for (HashMap<String, String> map : entries) {
        json += "{";
        json += "\"Title\":\"" + map.get("Title") + "\",";
        map.remove("Title");
        json += "\"ID\":\"" + map.get("ID") + "\",";
        map.remove("ID");
        json += "\"Description\":\"" + map.get("Description") + "\",";
        map.remove("Description");
        json += "\"Detail_link\":\"" + map.get("Detail_link") + "\",";
        map.remove("Detail_link");
        json += "\"Properties\":{";

        for (String key : map.keySet()) {
            json += "\"" + key + "\":\"" + map.get(key) + "\",";
        }
        // remove the last comma
        if (String.valueOf(json.charAt(json.length() - 1)).equals(","))
            json = json.substring(0, json.length() - 1);

        json += "}";

        json += "},";
    }
    // remove the last comma
    if (String.valueOf(json.charAt(json.length() - 1)).equals(","))
        json = json.substring(0, json.length() - 1);

    json += "]";

    json += "}";

    return json.replace("\n", " ");
}

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From source file:org.squale.welcom.taglib.table.ListColumnSort.java

/**
 * supprimer l'ordre de trie pour la table
 * /*w ww .jav  a2s . co  m*/
 * @param session : Session
 * @param name : nom bean de la table
 * @param property : nom de la property
 */
public static synchronized void resetKeySortOfTable(final HttpSession session, String name, String property) {

    HashMap tableKeySort = (HashMap) session.getAttribute(TABLE_TAG_KEY_SORT);

    String cle = getCle(name, property);

    if (tableKeySort != null && tableKeySort.containsKey(cle)) {
        tableKeySort.remove(cle);
    }
}

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From source file:org.lealone.cluster.db.ClusterMetaData.java

public static AbstractReplicationStrategy getReplicationStrategy(Database db) {
    if (db.getReplicationProperties() == null)
        return defaultReplicationStrategy;
    AbstractReplicationStrategy replicationStrategy = replicationStrategys.get(db);
    if (replicationStrategy == null) {
        HashMap<String, String> map = new HashMap<>(db.getReplicationProperties());
        String className = map.remove("class");
        if (className == null) {
            throw new ConfigurationException("Missing replication strategy class");
        }//w w w . ja  v a2s  .c o  m

        replicationStrategy = AbstractReplicationStrategy.createReplicationStrategy(db.getName(),
                AbstractReplicationStrategy.getClass(className), StorageService.instance.getTokenMetaData(),
                DatabaseDescriptor.getEndpointSnitch(), map);
        replicationStrategys.put(db, replicationStrategy);
    }
    return replicationStrategy;
}

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From source file:no.trank.openpipe.solr.step.SolrDocumentProcessor.java

private static Map<String, String> findDocAttributes(HashMap<String, List<String>> solrOutputDoc) {
    final List<String> boostList = solrOutputDoc.remove(BOOST_KEY);
    final Map<String, String> attribs;
    if (boostList != null && !boostList.isEmpty()) {
        if (boostList.size() > 1) {
            log.warn("Got multiple boost values {} for document", boostList);
        }/* w w  w. j a  v  a2 s.c om*/
        attribs = Collections.singletonMap(BOOST_KEY, boostList.get(0));
    } else {
        attribs = Collections.emptyMap();
    }
    return attribs;
}

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From source file:at.treedb.jslib.JsLib.java

/**
 * Unloads a <code>JsLib</code> object.
 * /*from  w  ww . ja  v  a  2 s . c  o m*/
 * @param name
 *            name of the
 * @param version
 * @throws IOException
 */
public static void unloadLib(String name, String version) throws IOException {
    if (jsLibs == null) {
        return;
    }
    synchronized (lockObj) {
        HashMap<Version, JsLib> v = jsLibs.get(name);
        if (v != null) {
            JsLib lib = v.remove(new Version(version));
            if (lib != null) {
                if (lib.inChannel != null) {
                    lib.inChannel.close();
                    lib.dumpFile.delete();
                }
                // free file cache for the GC
                lib.fileCache = null;
                if (v.isEmpty()) {
                    jsLibs.remove(name);
                }
            }
            ArchiveClassLoader.clearCache(name, version);
        }
    }
}

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From source file:uk.ac.soton.itinnovation.ecc.service.utils.MetricCalculator.java

public static Map<String, Integer> countValueFrequencies(Set<Measurement> measurements) {
    HashMap<String, Integer> freqMap = new HashMap<>();

    if (measurements != null && !measurements.isEmpty()) {
        for (Measurement m : measurements) {
            String value = m.getValue();
            if (value != null) {
                if (freqMap.containsKey(value)) {
                    int count = freqMap.remove(value);
                    freqMap.put(value, ++count);
                } else
                    freqMap.put(value, 1);
            }/*from w  w  w.ja v a  2  s. com*/
        }
    }

    return freqMap;
}

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