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com.arm.mbed.cloud.sdk.connect.adapters.PresubscriptionAdapter Maven / Gradle / Ivy
package com.arm.mbed.cloud.sdk.connect.adapters;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Pattern;
import com.arm.mbed.cloud.sdk.annotations.Preamble;
import com.arm.mbed.cloud.sdk.common.GenericAdapter;
import com.arm.mbed.cloud.sdk.common.GenericAdapter.Mapper;
import com.arm.mbed.cloud.sdk.common.TranslationUtils;
import com.arm.mbed.cloud.sdk.common.listing.filtering.FilterOperator;
import com.arm.mbed.cloud.sdk.connect.model.Presubscription;
import com.arm.mbed.cloud.sdk.lowlevel.pelionclouddevicemanagement.model.PresubscriptionArray;
import com.arm.mbed.cloud.sdk.subscribe.model.SubscriptionFilterOptions;
@Preamble(description = "Adapter for presubscription model")
public final class PresubscriptionAdapter {
private static final Pattern RESOURCE_PATH_ACCEPTED_LIKE_FILTER_PATTERN = Pattern.compile("[\\p{Alnum}\\\\/]+((\\.?\\*)|[_%\\?])?");
private static final Pattern DEVICE_ID_ACCEPTED_LIKE_FILTER_PATTERN = Pattern.compile("[\\p{Alnum} \\.-]+((\\.?\\*)|[_%\\?])?");
private PresubscriptionAdapter() {
super();
}
/**
* Maps a subscription filter to corresponding pre-subscriptions.
*
* @param options
* filter options
* @return corresponding pre-subscriptions.
*/
public static List mapSubscriptionFilter(SubscriptionFilterOptions options) {
if (options == null) {
return null;
}
final List list = new LinkedList<>();
boolean hadEnpointNameFilter = false;
if (options.hasFilter(SubscriptionFilterOptions.DEVICE_ID_FILTER, FilterOperator.IN)) {
hadEnpointNameFilter = true;
mapDeviceIn(options, list);
}
if (options.hasFilter(SubscriptionFilterOptions.DEVICE_ID_FILTER, FilterOperator.EQUAL)) {
hadEnpointNameFilter = true;
mapDeviceEqual(options, list);
}
if (options.hasFilter(SubscriptionFilterOptions.DEVICE_ID_FILTER, FilterOperator.LIKE)) {
hadEnpointNameFilter = true;
mapDeviceLike(options, list);
}
if (!hadEnpointNameFilter && options.hasFilters(SubscriptionFilterOptions.RESOURCE_PATH_FILTER)) {
mapResourcePath(options, list);
}
// TODO endpoint type
if (list.isEmpty()) {
list.add(Presubscription.TO_EVERYTHING);
}
return list;
}
private static void mapResourcePath(SubscriptionFilterOptions options, final List list) {
final Presubscription presubscription = new Presubscription();
mapPresubscriptionResourcePath(options, presubscription);
if (presubscription.isValid()) {
list.add(presubscription);
}
}
private static void mapDeviceLike(SubscriptionFilterOptions options, final List list) {
final Presubscription presubscription = new Presubscription();
mapPresubscriptionResourcePath(options, presubscription);
presubscription.setDeviceId(mapLikeDeviceIdPath((String) options.fetchSpecificFilterValue(SubscriptionFilterOptions.DEVICE_ID_FILTER,
FilterOperator.LIKE)));
if (presubscription.isValid()) {
list.add(presubscription);
}
}
private static void mapDeviceEqual(SubscriptionFilterOptions options, final List list) {
final Presubscription presubscription = new Presubscription();
presubscription.setDeviceId((String) options.fetchSpecificFilterValue(SubscriptionFilterOptions.DEVICE_ID_FILTER,
FilterOperator.EQUAL));
mapPresubscriptionResourcePath(options, presubscription);
list.add(presubscription);
}
private static void mapDeviceIn(SubscriptionFilterOptions options, final List list) {
final Presubscription presubscription = new Presubscription();
mapPresubscriptionResourcePath(options, presubscription);
@SuppressWarnings("unchecked")
final List deviceIds = (List) options.fetchSpecificFilterValue(SubscriptionFilterOptions.DEVICE_ID_FILTER,
FilterOperator.IN);
for (final String deviceId : deviceIds) {
list.add(presubscription.clone().deviceId(deviceId));
}
}
@SuppressWarnings("unchecked")
protected static void mapPresubscriptionResourcePath(SubscriptionFilterOptions options,
Presubscription presubscription) {
if (options.hasFilters(SubscriptionFilterOptions.RESOURCE_PATH_FILTER)) {
if (options.hasFilter(SubscriptionFilterOptions.RESOURCE_PATH_FILTER, FilterOperator.IN)) {
final List resourcePaths = (List) options.fetchSpecificFilterValue(SubscriptionFilterOptions.RESOURCE_PATH_FILTER,
FilterOperator.IN);
for (final String resourcePath : resourcePaths) {
presubscription.addResourcePath(resourcePath);
}
}
if (options.hasFilter(SubscriptionFilterOptions.RESOURCE_PATH_FILTER, FilterOperator.EQUAL)) {
presubscription.addResourcePath((String) options.fetchSpecificFilterValue(SubscriptionFilterOptions.RESOURCE_PATH_FILTER,
FilterOperator.EQUAL));
}
if (options.hasFilter(SubscriptionFilterOptions.RESOURCE_PATH_FILTER, FilterOperator.LIKE)) {
mapPresubscriptionLikeResourcePath(options, presubscription);
}
}
}
@SuppressWarnings("unchecked")
private static void mapPresubscriptionLikeResourcePath(SubscriptionFilterOptions options,
Presubscription presubscription) {
final Object filterValue = options.fetchSpecificFilterValue(SubscriptionFilterOptions.RESOURCE_PATH_FILTER,
FilterOperator.LIKE);
if (filterValue instanceof List) {
mapLikeResourcePaths(presubscription, (List) filterValue);
} else if (filterValue.getClass().isArray()) {
mapLikeResourcePaths(presubscription, Arrays.asList((String[]) filterValue));
} else {
final String likeFilter = mapLikeResourcePath((String) filterValue);
if (likeFilter != null) {
presubscription.addResourcePath(likeFilter);
}
}
}
protected static void mapLikeResourcePaths(final Presubscription presubscription, final List filterValues) {
boolean needsSpecifying = true;
final List likeFilters = new LinkedList<>();
for (final String value : filterValues) {
final String correspondingPresubscriptionEntry = mapLikeResourcePath(value);
if (correspondingPresubscriptionEntry == null) {
needsSpecifying = false;
} else {
likeFilters.add(correspondingPresubscriptionEntry);
}
}
if (needsSpecifying) {
for (final String correspondingPresubscriptionEntry : likeFilters) {
presubscription.addResourcePath(correspondingPresubscriptionEntry);
}
}
}
protected static String mapLikeResourcePath(String filterValueString) {
return mapLikeField(filterValueString, RESOURCE_PATH_ACCEPTED_LIKE_FILTER_PATTERN);
}
protected static String mapLikeDeviceIdPath(String filterValueString) {
return mapLikeField(filterValueString, DEVICE_ID_ACCEPTED_LIKE_FILTER_PATTERN);
}
protected static String mapLikeField(String filterValueString, Pattern resourcePathSubstringPattern) {
String presubscriptionValueString = null;
if (resourcePathSubstringPattern.matcher(filterValueString).matches()) {
presubscriptionValueString = filterValueString.replace(".*", "*").replace(".", "*").replace("_", "*")
.replace("%", "*").replace("?", "*");
if (!presubscriptionValueString.contains("*")) {
final StringBuffer buffer = new StringBuffer();
buffer.append(presubscriptionValueString).append('*');
presubscriptionValueString = buffer.toString();
}
}
return presubscriptionValueString;
}
/**
* Maps presubscription.
*
* @param apiPresubscription
* presubscription to map
* @return mapped presubscription
*/
public static Presubscription
map(com.arm.mbed.cloud.sdk.lowlevel.pelionclouddevicemanagement.model.Presubscription apiPresubscription) {
if (apiPresubscription == null) {
return null;
}
final Presubscription presubscription = new Presubscription();
presubscription.setDeviceId(apiPresubscription.getEndpointName());
presubscription.setDeviceType(apiPresubscription.getEndpointType());
presubscription.setResourcePaths(apiPresubscription.getResourcePath());
return presubscription;
}
/**
* Reverses mapping of a presubscription.
*
* @param presubscription
* presubscription
* @return presubscription
*/
public static com.arm.mbed.cloud.sdk.lowlevel.pelionclouddevicemanagement.model.Presubscription
reverseMap(Presubscription presubscription) {
if (presubscription == null) {
return null;
}
final com.arm.mbed.cloud.sdk.lowlevel.pelionclouddevicemanagement.model.Presubscription apiPresubscription = new com.arm.mbed.cloud.sdk.lowlevel.pelionclouddevicemanagement.model.Presubscription();
apiPresubscription.setEndpointName(presubscription.getDeviceId());
apiPresubscription.setEndpointType(presubscription.getDeviceType());
apiPresubscription.setResourcePath(presubscription.getResourcePaths());
return apiPresubscription;
}
/**
* Gets mapper.
*
* @return mapper
*/
public static
Mapper
getMapper() {
return new Mapper() {
@Override
public Presubscription
map(com.arm.mbed.cloud.sdk.lowlevel.pelionclouddevicemanagement.model.Presubscription toBeMapped) {
return PresubscriptionAdapter.map(toBeMapped);
}
};
}
/**
* Gets reverse mapper.
*
* @return reverse mapper
*/
public static
Mapper
getReverseMapper() {
return new Mapper() {
@Override
public com.arm.mbed.cloud.sdk.lowlevel.pelionclouddevicemanagement.model.Presubscription
map(Presubscription toBeMapped) {
return PresubscriptionAdapter.reverseMap(toBeMapped);
}
};
}
/**
* Maps list of presubscriptions.
*
* @param list
* of presubscription.
* @return list of presubscription
*/
public static List mapList(PresubscriptionArray list) {
if (list == null) {
return null;
}
return GenericAdapter.mapList(list, PresubscriptionAdapter.getMapper());
}
/**
* Maps list of presubscriptions to a registry.
*
* @param list
* of presubscription.
* @return a registry of presubscription
*/
public static GenericAdapter.MappedObjectRegistry mapListToRegistry(PresubscriptionArray list) {
return new GenericAdapter.MappedObjectRegistry<>(list, PresubscriptionAdapter.getMapper());
}
/**
* Reverses mapping of a list of presubscriptions.
*
* @param list
* of presubscription.
* @return list of presubscription
*/
public static PresubscriptionArray reverseMapList(List list) {
return (PresubscriptionArray) GenericAdapter.mapList(list, new PresubscriptionArray(), getReverseMapper());
}
/**
* Gets list mapper.
*
* @return a list mapper
*/
public static Mapper> getListMapper() {
return new Mapper>() {
@Override
public List map(PresubscriptionArray toBeMapped) {
return PresubscriptionAdapter.mapList(toBeMapped);
}
};
}
/**
* Gets list to registry mapper.
*
* @return a list to registry mapper
*/
public static Mapper>
getListToRegistryMapper() {
return new Mapper>() {
@Override
public GenericAdapter.MappedObjectRegistry map(PresubscriptionArray toBeMapped) {
return PresubscriptionAdapter.mapListToRegistry(toBeMapped);
}
};
}
/**
* Gets a list of resource path from a string.
*
* @param list
* string containing resource paths.
* @return list of resource paths
*/
public static List mapResourcePathList(String list) {
if (list == null) {
return null;
}
final String listString = list.replace("\r", "");
return TranslationUtils.parseList(listString, "\n");
}
/**
* Gets resource path list mapper.
*
* @return a list of resource path
*/
public static Mapper> getResourcePathListMapper() {
return new Mapper>() {
@Override
public List map(String toBeMapped) {
return mapResourcePathList(toBeMapped);
}
};
}
}
