Examples of javax.ws.rs.core.MultivaluedHashMap

javax.ws.rs.core.MultivaluedHashMap
A hash table based implementation of {@link MultivaluedMap} interface.This implementation provides all of the optional map operations. This class makes no guarantees as to the order of the map; in particular, it does not guarantee that the order will remain constant over time. The implementation permits {@code null} key. By default the implementation does also permit{@code null} values, but ignores them. This behavior can be customizedby overriding the protected {@link #addNull(List) addNull(...)} and{@link #addFirstNull(List) addFirstNull(...)} methods.
This implementation provides constant-time performance for the basic operations (get and put), assuming the hash function disperses the elements properly among the buckets. Iteration over collection views requires time proportional to the "capacity" of the map instance (the number of buckets) plus its size (the number of key-value mappings). Thus, it's very important not to set the initial capacity too high (or the load factor too low) if iteration performance is important.
An instance of MultivaluedHashMap has two parameters that affect its performance: initial capacity and load factor. The capacity is the number of buckets in the hash table, and the initial capacity is simply the capacity at the time the hash table is created. The load factor is a measure of how full the hash table is allowed to get before its capacity is automatically increased. When the number of entries in the hash table exceeds the product of the load factor and the current capacity, the hash table is rehashed (that is, internal data structures are rebuilt) so that the hash table has approximately twice the number of buckets.
As a general rule, the default load factor (.75) offers a good tradeoff between time and space costs. Higher values decrease the space overhead but increase the lookup cost (reflected in most of the operations of the HashMap class, including get and put). The expected number of entries in the map and its load factor should be taken into account when setting its initial capacity, so as to minimize the number of rehash operations. If the initial capacity is greater than the maximum number of entries divided by the load factor, no rehash operations will ever occur.
If many mappings are to be stored in a MultivaluedHashMap instance, creating it with a sufficiently large capacity will allow the mappings to be stored more efficiently than letting it perform automatic rehashing as needed to grow the table.
Note that this implementation is not guaranteed to be synchronized. If multiple threads access a hash map concurrently, and at least one of the threads modifies the map structurally, it must be synchronized externally. (A structural modification is any operation that adds or deletes one or more mappings; merely changing the value associated with a key that an instance already contains is not a structural modification.) This is typically accomplished by synchronizing on some object that naturally encapsulates the map.
The iterators returned by all of this class's "collection view methods" are fail-fast: if the map is structurally modified at any time after the iterator is created, in any way except through the iterator's own remove method, the iterator will throw a {@link ConcurrentModificationException}. Thus, in the face of concurrent modification, the iterator fails quickly and cleanly, rather than risking arbitrary, non-deterministic behavior at an undetermined time in the future.
Note that the fail-fast behavior of an iterator cannot be guaranteed as it is, generally speaking, impossible to make any hard guarantees in the presence of unsynchronized concurrent modification. Fail-fast iterators throw ConcurrentModificationException on a best-effort basis. Therefore, it would be wrong to write a program that depended on this exception for its correctness: the fail-fast behavior of iterators should be used only to detect bugs. @param < K> the type of keys maintained by this map. @param < V> the type of mapped values. @author Paul Sandoz @author Marek Potociar @since 2.0


        Client client2 = ClientFactory.newClient();
        RestUtil.initialize(client2);
        WebTarget target = client2.target(restURL);
        target.register(new HttpBasicAuthFilter(username, password));
        MultivaluedMap payLoad = new MultivaluedHashMap();
        payLoad.putSingle("remoteHostName", request.getRemoteHost());


        Response resp = target.request(RESPONSE_TYPE).post(Entity.entity(payLoad, MediaType.APPLICATION_FORM_URLENCODED), Response.class);
        RestResponse restResp = RestResponse.getRestResponse(resp);


        // Check to see if successful..

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    }


    //*******************************************************************************************************************
    //*******************************************************************************************************************
    protected static MultivaluedMap buildMultivalueMap(Map<String, Object> payload) {
        MultivaluedMap formData = new MultivaluedHashMap();
        if (payload == null || payload.isEmpty()) {
            return formData;
        }


        for (final Map.Entry<String, Object> entry : payload.entrySet()) {
            final Object value = entry.getValue();
            final String key = entry.getKey();
            if (value instanceof Collection) {
                for (Object obj : ((Collection) value)) {
                    try {
                        formData.add(key, obj);
                    } catch (ClassCastException ex) {
                        Logger logger = GuiUtil.getLogger();
                        if (logger.isLoggable(Level.FINEST)) {
                            logger.log(Level.FINEST,
                                       GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, obj}));
                        }


                        // Allow it to continue b/c this property most likely
                        // should have been excluded for this request
                    }
                }
            } else {
                //formData.putSingle(key, (value != null) ? value.toString() : value);
                try {
                    formData.putSingle(key, value);
                } catch (ClassCastException ex) {
                    Logger logger = GuiUtil.getLogger();
                    if (logger.isLoggable(Level.FINEST)) {
                        logger.log(Level.FINEST,
                                   GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, value}));

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    }


    //*******************************************************************************************************************
    //*******************************************************************************************************************
    protected static MultivaluedMap buildMultivalueMap(Map<String, Object> payload) {
        MultivaluedMap formData = new MultivaluedHashMap();
        if (payload == null || payload.isEmpty()) {
            return formData;
        }


        for (final Map.Entry<String, Object> entry : payload.entrySet()) {
            final Object value = entry.getValue();
            final String key = entry.getKey();
            if (value instanceof Collection) {
                for (Object obj : ((Collection) value)) {
                    try {
                        formData.add(key, obj);
                    } catch (ClassCastException ex) {
                        Logger logger = GuiUtil.getLogger();
                        if (logger.isLoggable(Level.FINEST)) {
                            logger.log(Level.FINEST,
                                       GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, obj}));
                        }


                        // Allow it to continue b/c this property most likely
                        // should have been excluded for this request
                    }
                }
            } else {
                //formData.putSingle(key, (value != null) ? value.toString() : value);
                try {
                    formData.putSingle(key, value);
                } catch (ClassCastException ex) {
                    Logger logger = GuiUtil.getLogger();
                    if (logger.isLoggable(Level.FINEST)) {
                        logger.log(Level.FINEST,
                                   GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, value}));

View Full Code Here

    }


    //*******************************************************************************************************************
    //*******************************************************************************************************************
    protected static MultivaluedMap buildMultivalueMap(Map<String, Object> payload) {
        MultivaluedMap formData = new MultivaluedHashMap();
        if (payload == null || payload.isEmpty()) {
            return formData;
        }


        for (final Map.Entry<String, Object> entry : payload.entrySet()) {
            final Object value = entry.getValue();
            final String key = entry.getKey();
            if (value instanceof Collection) {
                for (Object obj : ((Collection) value)) {
                    try {
                        formData.add(key, obj);
                    } catch (ClassCastException ex) {
                        Logger logger = GuiUtil.getLogger();
                        if (logger.isLoggable(Level.FINEST)) {
                            logger.log(Level.FINEST,
                                       GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, obj}));
                        }


                        // Allow it to continue b/c this property most likely
                        // should have been excluded for this request
                    }
                }
            } else {
                //formData.putSingle(key, (value != null) ? value.toString() : value);
                try {
                    formData.putSingle(key, value);
                } catch (ClassCastException ex) {
                    Logger logger = GuiUtil.getLogger();
                    if (logger.isLoggable(Level.FINEST)) {
                        logger.log(Level.FINEST,
                                   GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, value}));

View Full Code Here

        // Make REST Request


        Client client2 = RestUtil.initialize(ClientBuilder.newBuilder()).build();
        WebTarget target = client2.target(restURL);
        target.register(new HttpBasicAuthFilter(username, password));
        MultivaluedMap payLoad = new MultivaluedHashMap();
        payLoad.putSingle("remoteHostName", request.getRemoteHost());


        Response resp = target.request(RESPONSE_TYPE).post(Entity.entity(payLoad, MediaType.APPLICATION_FORM_URLENCODED), Response.class);
        RestResponse restResp = RestResponse.getRestResponse(resp);


        // Check to see if successful..

View Full Code Here


        Client client2 = ClientFactory.newClient();
        RestUtil.initialize(client2);
        WebTarget target = client2.target(restURL);
        target.configuration().register(new HttpBasicAuthFilter(username, password));
        MultivaluedMap payLoad = new MultivaluedHashMap();
        payLoad.putSingle("remoteHostName", request.getRemoteHost());


        Response resp = target.request(RESPONSE_TYPE).post(Entity.entity(payLoad, MediaType.APPLICATION_FORM_URLENCODED), Response.class);
        RestResponse restResp = RestResponse.getRestResponse(resp);


        // Check to see if successful..

View Full Code Here

    }


    //*******************************************************************************************************************
    //*******************************************************************************************************************
    protected static MultivaluedMap buildMultivalueMap(Map<String, Object> payload) {
        MultivaluedMap formData = new MultivaluedHashMap();
        if (payload == null || payload.isEmpty()) {
            return formData;
        }


        for (final Map.Entry<String, Object> entry : payload.entrySet()) {
            final Object value = entry.getValue();
            final String key = entry.getKey();
            if (value instanceof Collection) {
                for (Object obj : ((Collection) value)) {
                    try {
                        formData.add(key, obj);
                    } catch (ClassCastException ex) {
                        Logger logger = GuiUtil.getLogger();
                        if (logger.isLoggable(Level.FINEST)) {
                            logger.log(Level.FINEST,
                                       GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, obj}));
                        }


                        // Allow it to continue b/c this property most likely
                        // should have been excluded for this request
                    }
                }
            } else {
                //formData.putSingle(key, (value != null) ? value.toString() : value);
                try {
                    formData.putSingle(key, value);
                } catch (ClassCastException ex) {
                    Logger logger = GuiUtil.getLogger();
                    if (logger.isLoggable(Level.FINEST)) {
                        logger.log(Level.FINEST,
                                   GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, value}));

View Full Code Here

    }


    //*******************************************************************************************************************
    //*******************************************************************************************************************
    protected static MultivaluedMap buildMultivalueMap(Map<String, Object> payload) {
        MultivaluedMap formData = new MultivaluedHashMap();
        if (payload == null || payload.isEmpty()) {
            return formData;
        }


        for (final Map.Entry<String, Object> entry : payload.entrySet()) {
            final Object value = entry.getValue();
            final String key = entry.getKey();
            if (value instanceof Collection) {
                for (Object obj : ((Collection) value)) {
                    try {
                        formData.add(key, obj);
                    } catch (ClassCastException ex) {
                        Logger logger = GuiUtil.getLogger();
                        if (logger.isLoggable(Level.FINEST)) {
                            logger.log(Level.FINEST,
                                       GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, obj}));
                        }


                        // Allow it to continue b/c this property most likely
                        // should have been excluded for this request
                    }
                }
            } else {
                //formData.putSingle(key, (value != null) ? value.toString() : value);
                try {
                    formData.putSingle(key, value);
                } catch (ClassCastException ex) {
                    Logger logger = GuiUtil.getLogger();
                    if (logger.isLoggable(Level.FINEST)) {
                        logger.log(Level.FINEST,
                                   GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, value}));

View Full Code Here


        Client client2 = ClientBuilder.newClient();
        RestUtil.initialize(client2);
        WebTarget target = client2.target(restURL);
        target.register(new HttpBasicAuthFilter(username, password));
        MultivaluedMap payLoad = new MultivaluedHashMap();
        payLoad.putSingle("remoteHostName", request.getRemoteHost());


        Response resp = target.request(RESPONSE_TYPE).post(Entity.entity(payLoad, MediaType.APPLICATION_FORM_URLENCODED), Response.class);
        RestResponse restResp = RestResponse.getRestResponse(resp);


        // Check to see if successful..

View Full Code Here

    }


    //*******************************************************************************************************************
    //*******************************************************************************************************************
    protected static MultivaluedMap buildMultivalueMap(Map<String, Object> payload) {
        MultivaluedMap formData = new MultivaluedHashMap();
        if (payload == null || payload.isEmpty()) {
            return formData;
        }


        for (final Map.Entry<String, Object> entry : payload.entrySet()) {
            final Object value = entry.getValue();
            final String key = entry.getKey();
            if (value instanceof Collection) {
                for (Object obj : ((Collection) value)) {
                    try {
                        formData.add(key, obj);
                    } catch (ClassCastException ex) {
                        Logger logger = GuiUtil.getLogger();
                        if (logger.isLoggable(Level.FINEST)) {
                            logger.log(Level.FINEST,
                                       GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, obj}));
                        }


                        // Allow it to continue b/c this property most likely
                        // should have been excluded for this request
                    }
                }
            } else {
                //formData.putSingle(key, (value != null) ? value.toString() : value);
                try {
                    formData.putSingle(key, value);
                } catch (ClassCastException ex) {
                    Logger logger = GuiUtil.getLogger();
                    if (logger.isLoggable(Level.FINEST)) {
                        logger.log(Level.FINEST,
                                   GuiUtil.getCommonMessage("LOG_BUILD_MULTI_VALUE_MAP_ERROR", new Object[]{key, value}));

View Full Code Here

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