Java Code Examples for java.util.Collections#unmodifiableMap()

protected Map<Integer, Class<?>> prepareOptionalGenericTypeMap(Method executeMethod) {
    final Parameter[] parameters = executeMethod.getParameters();
    if (parameters.length == 0) {
        return Collections.emptyMap();
    }
    final Map<Integer, Class<?>> optionalGenericTypeMap = new LinkedHashMap<Integer, Class<?>>(4);
    int index = 0;
    for (Parameter parameter : parameters) {
        if (isOptionalParameterType(parameter.getType())) {
            final Type paramedType = parameter.getParameterizedType();
            final Class<?> genericType = DfReflectionUtil.getGenericFirstClass(paramedType);
            checkExecuteMethodOptionalParameter(executeMethod, paramedType, genericType);
            optionalGenericTypeMap.put(index, genericType);
        }
        ++index;
    }
    return Collections.unmodifiableMap(optionalGenericTypeMap);
}
 

private Map<String, List<String>> getFilteredHeaderFields() {
    if (filteredHeaders != null)
        return filteredHeaders;

    Map<String, List<String>> headers, tmpMap = new HashMap<>();

    if (cachedHeaders != null)
        headers = cachedHeaders.getHeaders();
    else
        headers = responses.getHeaders();

    for (Map.Entry<String, List<String>> e: headers.entrySet()) {
        String key = e.getKey();
        List<String> values = e.getValue(), filteredVals = new ArrayList<>();
        for (String value : values) {
            String fVal = filterHeaderField(key, value);
            if (fVal != null)
                filteredVals.add(fVal);
        }
        if (!filteredVals.isEmpty())
            tmpMap.put(key, Collections.unmodifiableList(filteredVals));
    }

    return filteredHeaders = Collections.unmodifiableMap(tmpMap);
}
 

@Override
public Object getObjectValue(ConnectorSession session, Block block, int position)
{
    if (block.isNull(position)) {
        return null;
    }

    Block singleMapBlock = block.getObject(position, Block.class);
    if (!(singleMapBlock instanceof SingleMapBlock)) {
        throw new UnsupportedOperationException("Map is encoded with legacy block representation");
    }
    Map<Object, Object> map = new HashMap<>();
    for (int i = 0; i < singleMapBlock.getPositionCount(); i += 2) {
        map.put(keyType.getObjectValue(session, singleMapBlock, i), valueType.getObjectValue(session, singleMapBlock, i + 1));
    }

    return Collections.unmodifiableMap(map);
}
 

private Languages(Activity activity) {
    Set<Locale> localeSet = new LinkedHashSet<>();
    localeSet.addAll(Arrays.asList(LOCALES_TO_TEST));

    for (Locale locale : localeSet) {
        if (locale.equals(TIBETAN)) {
            // include English name for devices without Tibetan font support
            tmpMap.put(TIBETAN.getLanguage(), "Tibetan བོད་སྐད།"); // Tibetan
        } else if (locale.equals(Locale.SIMPLIFIED_CHINESE)) {
            tmpMap.put(Locale.SIMPLIFIED_CHINESE.toString(), "中文 (中国)"); // Chinese (China)
        } else if (locale.equals(Locale.TRADITIONAL_CHINESE)) {
            tmpMap.put(Locale.TRADITIONAL_CHINESE.toString(), "中文 (台灣)"); // Chinese (Taiwan)
        } else if (locale.equals(CHINESE_HONG_KONG)) {
            tmpMap.put(CHINESE_HONG_KONG.toString(), "中文 (香港)"); // Chinese (Hong Kong)
        } else {
            tmpMap.put(locale.getLanguage(), capitalize(locale.getDisplayLanguage(locale)));
        }
    }

    // remove the current system language from the menu
    tmpMap.remove(Locale.getDefault().getLanguage());

    /* SYSTEM_DEFAULT is a fake one for displaying in a chooser menu. */
    tmpMap.put(USE_SYSTEM_DEFAULT, activity.getString(R.string.pref_language_default));
    nameMap = Collections.unmodifiableMap(tmpMap);
}
 

/**
 * Null-safely convert between two maps by applying a function to each key and value. A predicate is also specified to filter
 * the results, in case the mapping function were to generate duplicate keys, etc.
 */
public static <T1, T2, U1, U2> Map<U1, U2> convert(Map<T1, T2> toConvert,
                                                   Function<? super T1, ? extends U1> keyConverter,
                                                   Function<? super T2, ? extends U2> valueConverter,
                                                   BiPredicate<U1, U2> resultFilter) {
    if (toConvert == null) {
        return null;
    }

    Map<U1, U2> result = toConvert.entrySet().stream()
                                  .map(e -> new SimpleImmutableEntry<>(keyConverter.apply(e.getKey()),
                                                                       valueConverter.apply(e.getValue())))
                                  .filter(p -> resultFilter.test(p.getKey(), p.getValue()))
                                  .collect(Collectors.toMap(Entry::getKey, Entry::getValue));
    return Collections.unmodifiableMap(result);
}
 

public URL(String protocol, String username, String password, String host, int port, String path, Map<String, String> parameters) {
	if ((username == null || username.length() == 0) 
			&& password != null && password.length() > 0) {
		throw new IllegalArgumentException("Invalid url, password without username!");
	}
	this.protocol = protocol;
	this.username = username;
	this.password = password;
	this.host = host;
	this.port = (port < 0 ? 0 : port);
	this.path = path;
	// trim the beginning "/"
	while(path != null && path.startsWith("/")) {
	    path = path.substring(1);
	}
	if (parameters == null) {
	    parameters = new HashMap<String, String>();
	} else {
	    parameters = new HashMap<String, String>(parameters);
	}
	this.parameters = Collections.unmodifiableMap(parameters);
}
 

/**
 * Updates the total amount resource phases stored cache value.
 */
private void updateTotalAmountResourcePhasesStored() {

	double totalAmount = 0D;

	if (amountResourcePhaseStored != null) {
		Map<PhaseType, StoredPhase> tempMap = Collections.unmodifiableMap(amountResourcePhaseStored);
		Iterator<PhaseType> i = tempMap.keySet().iterator();
		while (i.hasNext()) {
			totalAmount += tempMap.get(i.next()).amount;
		}
	}

	totalStoredCache = totalAmount;
	totalStoredCacheDirty = false;
}
 

/**
 * Returns a Map of all properties from all scannable config sources. The values of the properties reflect the
 * values that would be obtained by a call to {@link #getPropertyValue(java.lang.String)}, that is, the value of the
 * property from the ConfigSource with the highest ordinal.
 *
 * @see ConfigSource#isScannable()
 */
public static Map<String, String> getAllProperties()
{
    ConfigSource[] configSources = getConfigProvider().getConfig().getConfigSources();
    Map<String, String> result = new HashMap<String, String>();

    for (int i = configSources.length; i > 0; i--)
    {
        ConfigSource configSource = configSources[i - 1];

        if (configSource.isScannable())
        {
            result.putAll(configSource.getProperties());
        }
    }

    return Collections.unmodifiableMap(result);
}
 

public FileBasedVariableRegistry(final Path[] propertiesPaths) {
    final Map<VariableDescriptor, String> newMap = new HashMap<>(VariableRegistry.ENVIRONMENT_SYSTEM_REGISTRY.getVariableMap());
    final int systemEnvPropCount = newMap.size();
    int totalPropertiesLoaded = systemEnvPropCount;
    LOG.info("Loaded {} properties from system properties and environment variables",systemEnvPropCount);
    try {
        for (final Path path : propertiesPaths) {
            if (Files.exists(path)) {
                final AtomicInteger propsLoaded = new AtomicInteger(0);
                try (final InputStream inStream = new BufferedInputStream(new FileInputStream(path.toFile()))) {
                    Properties properties = new Properties();
                    properties.load(inStream);
                    properties.entrySet().stream().forEach((entry) -> {
                        final VariableDescriptor desc = new VariableDescriptor.Builder(entry.getKey().toString())
                                .description(path.toString())
                                .sensitive(false)
                                .build();
                        newMap.put(desc, entry.getValue().toString());
                        propsLoaded.incrementAndGet();
                    });
                }
                totalPropertiesLoaded += propsLoaded.get();
                if(propsLoaded.get() > 0){
                    LOG.info("Loaded {} properties from '{}'", propsLoaded.get(), path);
                }else{
                    LOG.warn("No properties loaded from '{}'", path);
                }
            } else {
                LOG.warn("Skipping property file {} as it does not appear to exist", path);
            }
        }
    } catch (final IOException ioe) {
        LOG.error("Unable to complete variable registry loading from files due to ", ioe);
    }

    LOG.info("Loaded a total of {} properties.  Including precedence overrides effective accessible registry key size is {}", totalPropertiesLoaded, newMap.size());
    map = Collections.unmodifiableMap(newMap);
}
 

/**
 * Creates a new TCSObject.
 *
 * @param objectName The new object's name.
 * @param properties A set of properties (key-value pairs) associated with this object.
 * @param history A history of events related to this object.
 */
protected TCSObject(@Nonnull String objectName,
                    @Nonnull Map<String, String> properties,
                    @Nonnull ObjectHistory history) {
  this.name = requireNonNull(objectName, "objectName");
  this.properties = mapWithoutNullValues(properties);
  this.propertiesReadOnly = Collections.unmodifiableMap(this.properties);
  this.id = nextId.getAndIncrement();
  this.reference = new TCSObjectReference<>(this);
  this.history = requireNonNull(history, "history");
}
 

public DefaultTwillSpecification(String name, Map<String, RuntimeSpecification> runnables,
                                 List<Order> orders, List<PlacementPolicy> placementPolicies,
                                 EventHandlerSpecification eventHandler) {
  this.name = name;
  this.runnables = Collections.unmodifiableMap(new HashMap<String, RuntimeSpecification>(runnables));
  this.orders = Collections.unmodifiableList(new ArrayList<Order>(orders));
  this.placementPolicies = placementPolicies;
  this.eventHandler = eventHandler;
}
 

private Map<K, Long> createAsMap() {
    Map<K,Long> resultMap = new LinkedHashMap<K, Long>();
    if(map != null && !map.isEmpty()){
        for(Entry<K, AtomicLong> entry : map.entrySet()){
            resultMap.put(entry.getKey(), entry.getValue().get());
        }
    }
    return Collections.unmodifiableMap(resultMap);
}
 

private static Map<Integer, String> createFieldTypeNumberMap(Map<String, Integer> fieldTypeByName) { // SCIPIO
    Map<Integer, String> fieldTypeByNumber = new HashMap<>();
    for(Map.Entry<String, Integer> entry : fieldTypeByName.entrySet()) {
        fieldTypeByNumber.put(entry.getValue(), entry.getKey());
    }
    return Collections.unmodifiableMap(fieldTypeByNumber);
}
 

@Nullable
private static Map<String, ?> checkMapEntryTypes(@Nullable Map<?, ?> map) {
  if (map == null) {
    return null;
  }
  // Not using ImmutableMap.Builder because of extra guava dependency for Android.
  Map<String, Object> parsedMap = new LinkedHashMap<>();
  for (Map.Entry<?, ?> entry : map.entrySet()) {
    checkArgument(
        entry.getKey() instanceof String,
        "The key of the entry '%s' is not of String type", entry);

    String key = (String) entry.getKey();
    Object value = entry.getValue();
    if (value == null) {
      parsedMap.put(key, null);
    } else if (value instanceof Map) {
      parsedMap.put(key, checkMapEntryTypes((Map<?, ?>) value));
    } else if (value instanceof List) {
      parsedMap.put(key, checkListEntryTypes((List<?>) value));
    } else if (value instanceof String) {
      parsedMap.put(key, value);
    } else if (value instanceof Double) {
      parsedMap.put(key, value);
    } else if (value instanceof Boolean) {
      parsedMap.put(key, value);
    } else {
      throw new IllegalArgumentException(
          "The value of the map entry '" + entry + "' is of type '" + value.getClass()
              + "', which is not supported");
    }
  }
  return Collections.unmodifiableMap(parsedMap);
}
 

@Override
public Map<String, java.security.cert.Extension> getSingleExtensions() {
    return Collections.unmodifiableMap(singleExtensions);
}
 

public Offer(Protos.Offer offer) {
	this.offer = checkNotNull(offer);
	this.hostname = offer.getHostname();
	this.vmID = offer.getSlaveId().getValue();
	this.offeredTime = System.currentTimeMillis();

	List<Protos.Resource> resources = new ArrayList<>(offer.getResourcesList().size());
	Map<String, Double> aggregatedScalarResourceMap = new HashMap<String, Double>() {
		@Override
		public Double remove(Object key) {
			if (super.containsKey(key)) {
				return super.remove(key);
			} else {
				return 0.0;
			}
		}
	};
	Map<String, List<Protos.Resource>> rangesResourceMap = new HashMap<>();
	for (Protos.Resource resource : offer.getResourcesList()) {
		switch (resource.getType()) {
			case SCALAR:
				resources.add(resource);
				aggregatedScalarResourceMap.merge(resource.getName(), resource.getScalar().getValue(), Double::sum);
				break;
			case RANGES:
				resources.add(resource);
				rangesResourceMap.computeIfAbsent(resource.getName(), k -> new ArrayList<>(2)).add(resource);
				break;
			default:
				logger.debug("Unknown resource type " + resource.getType() + " for resource " + resource.getName() +
					" in offer, hostname=" + hostname + ", offerId=" + offer.getId());
		}
	}
	this.resources = Collections.unmodifiableList(resources);

	this.cpuCores = aggregatedScalarResourceMap.remove("cpus");
	this.memoryMB = aggregatedScalarResourceMap.remove("mem");
	this.networkMbps = aggregatedScalarResourceMap.remove("network");
	this.diskMB = aggregatedScalarResourceMap.remove("disk");
	this.aggregatedScalarResourceMap = Collections.unmodifiableMap(aggregatedScalarResourceMap);
	this.portRanges = Collections.unmodifiableList(aggregateRangesResource(rangesResourceMap, "ports"));

	if (offer.getAttributesCount() > 0) {
		Map<String, Protos.Attribute> attributeMap = new HashMap<>();
		for (Protos.Attribute attribute: offer.getAttributesList()) {
			attributeMap.put(attribute.getName(), attribute);
		}
		this.attributeMap = Collections.unmodifiableMap(attributeMap);
	} else {
		this.attributeMap = Collections.emptyMap();
	}
}
 

Map<Long, MutableLong> getInternalMap() {
    return Collections.unmodifiableMap(this.countMap);
}
 

@Override
public Map<String, String[]> getPrivateRenderParameterMap() {
	return Collections.unmodifiableMap(this.privateRenderParameterMap);
}
 

public static Map<String, Type> getBuiltInTypes() {
  return Collections.unmodifiableMap(nativeTypes);
}
 

/**
 * Constructs a {@code BulkCacheWritingException} instance with the given map and set.
 * <p>
 * The given arguments are:
 * <ul>
 *   <li>a map from keys to exception thrown while writing,</li>
 *   <li>a set of keys for which writing succeeded</li>
 * </ul>
 *
 * @param failures the map of keys to failure encountered while loading
 * @param successes the map of keys successfully loaded and their associated value
 */
public BulkCacheWritingException(Map<?, Exception> failures, Set<?> successes) {
  this.failures = Collections.unmodifiableMap(failures);
  this.successes = Collections.unmodifiableSet(successes);
}