/
FeaturesRoute.java
executable file
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/
FeaturesRoute.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.gateway.service.endpoints.routes.things;
import org.apache.pekko.http.javadsl.server.PathMatchers;
import org.apache.pekko.http.javadsl.server.RequestContext;
import org.apache.pekko.http.javadsl.server.Route;
import org.eclipse.ditto.base.model.exceptions.DittoJsonException;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.service.UriEncoding;
import org.eclipse.ditto.gateway.service.endpoints.routes.AbstractRoute;
import org.eclipse.ditto.gateway.service.endpoints.routes.RouteBaseProperties;
import org.eclipse.ditto.gateway.service.util.config.endpoints.MessageConfig;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.things.model.ThingsModelFactory;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeature;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeatureDefinition;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeatureDesiredProperties;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeatureDesiredProperty;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeatureProperties;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeatureProperty;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeatures;
import org.eclipse.ditto.things.model.signals.commands.modify.MergeThing;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeature;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeatureDefinition;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeatureDesiredProperties;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeatureDesiredProperty;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeatureProperties;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeatureProperty;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeatures;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveFeature;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveFeatureDefinition;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveFeatureDesiredProperties;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveFeatureDesiredProperty;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveFeatureProperties;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveFeatureProperty;
import org.eclipse.ditto.things.model.signals.commands.query.RetrieveFeatures;
/**
* Builder for creating Pekko HTTP routes for {@code /features}.
*/
final class FeaturesRoute extends AbstractRoute {
static final String PATH_FEATURES = "features";
static final String PATH_PROPERTIES = "properties";
static final String PATH_DESIRED_PROPERTIES = "desiredProperties";
static final String PATH_DEFINITION = "definition";
private final MessagesRoute messagesRoute;
/**
* Constructs a {@code FeaturesRoute} object.
*
* @param routeBaseProperties the base properties of the route.
* @param messageConfig the MessageConfig.
* @param claimMessageConfig the MessageConfig for claim messages.
* @throws NullPointerException if any argument is {@code null}.
*/
FeaturesRoute(final RouteBaseProperties routeBaseProperties,
final MessageConfig messageConfig,
final MessageConfig claimMessageConfig) {
super(routeBaseProperties);
messagesRoute = new MessagesRoute(routeBaseProperties, messageConfig, claimMessageConfig);
}
/**
* Builds the {@code /features} route.
*
* @return the {@code /features} route.
*/
public Route buildFeaturesRoute(final RequestContext ctx, final DittoHeaders dittoHeaders, final ThingId thingId) {
return rawPathPrefix(PathMatchers.slash().concat(PATH_FEATURES), () ->
concat(
features(ctx, dittoHeaders, thingId),
featuresEntry(ctx, dittoHeaders, thingId),
featuresEntryDefinition(ctx, dittoHeaders, thingId),
featuresEntryProperties(ctx, dittoHeaders, thingId),
featuresEntryPropertiesEntry(ctx, dittoHeaders, thingId),
featuresEntryDesiredProperties(ctx, dittoHeaders, thingId),
featuresEntryDesiredPropertiesEntry(ctx, dittoHeaders, thingId),
featuresEntryInboxOutbox(ctx, dittoHeaders, thingId)
)
);
}
/*
* Describes {@code /features} route.
*
* @return {@code /features} route.
*/
private Route features(final RequestContext ctx, final DittoHeaders dittoHeaders, final ThingId thingId) {
return pathEndOrSingleSlash(() ->
concat(
// GET /features?fields=<fieldsString>
get(() -> parameterList(ThingsParameter.FIELDS.toString(), fields ->
handlePerRequest(ctx, RetrieveFeatures.of(thingId,
calculateSelectedFields(fields).orElse(null),
dittoHeaders))
)
),
// PUT /features
put(() -> ensureMediaTypeJsonWithFallbacksThenExtractDataBytes(ctx, dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
featuresJson -> ModifyFeatures.of(thingId,
ThingsModelFactory.newFeatures(featuresJson),
dittoHeaders))
)
),
// PATCH /features
patch(() -> ensureMediaTypeMergePatchJsonThenExtractDataBytes(ctx, dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
featuresJson -> MergeThing.withFeatures(thingId,
ThingsModelFactory.newFeatures(featuresJson),
dittoHeaders))
)
),
// DELETE /features
delete(() -> handlePerRequest(ctx, DeleteFeatures.of(thingId, dittoHeaders)))
)
);
}
/*
* Describes {@code /features/<featureId>} route.
*
* @return {@code /features/<featureId>} route.
*/
private Route featuresEntry(final RequestContext ctx, final DittoHeaders dittoHeaders, final ThingId thingId) {
return rawPathPrefix(PathMatchers.slash().concat(PathMatchers.segment()), featureId ->
pathEndOrSingleSlash(() ->
concat(
// GET /features/{featureId}?fields=<fieldsString>
get(() -> parameterList(ThingsParameter.FIELDS.toString(), fields ->
handlePerRequest(ctx, RetrieveFeature.of(thingId, featureId,
calculateSelectedFields(fields).orElse(null),
dittoHeaders))
)
),
// PUT /features/<featureId>
put(() -> ensureMediaTypeJsonWithFallbacksThenExtractDataBytes(ctx, dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
featureJson ->
ModifyFeature.of(thingId,
ThingsModelFactory
.newFeatureBuilder(featureJson)
.useId(featureId)
.build(),
dittoHeaders))
)
),
// PATCH /features/<featureId>
patch(() -> ensureMediaTypeMergePatchJsonThenExtractDataBytes(ctx, dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
featureJson -> MergeThing.withFeature(thingId,
ThingsModelFactory.newFeatureBuilder(featureJson)
.useId(featureId)
.build(),
dittoHeaders))
)
),
// DELETE /features/<featureId>
delete(() -> handlePerRequest(ctx, DeleteFeature.of(thingId, featureId, dittoHeaders)))
)
)
);
}
/*
* Describes {@code /features/<featureId>/definition} route.
*
* @return {@code /features/<featureId>/definition} route.
*/
private Route featuresEntryDefinition(final RequestContext ctx, final DittoHeaders dittoHeaders,
final ThingId thingId) {
return rawPathPrefix(PathMatchers.slash().concat(PathMatchers.segment()), featureId ->
rawPathPrefix(PathMatchers.slash().concat(PATH_DEFINITION), () ->
pathEndOrSingleSlash(() ->
concat(
// GET /features/{featureId}/definition
get(() -> handlePerRequest(ctx,
RetrieveFeatureDefinition.of(thingId, featureId, dittoHeaders))
),
// PUT /features/{featureId}/definition
put(() -> ensureMediaTypeJsonWithFallbacksThenExtractDataBytes(ctx,
dittoHeaders, payloadSource -> handlePerRequest(ctx, dittoHeaders,
payloadSource, definitionJson ->
ModifyFeatureDefinition.of(thingId,
featureId,
ThingsModelFactory.newFeatureDefinition(
definitionJson),
dittoHeaders))
)
),
// PATCH /features/{featureId}/definition
patch(() -> ensureMediaTypeMergePatchJsonThenExtractDataBytes(ctx,
dittoHeaders, payloadSource -> handlePerRequest(ctx, dittoHeaders,
payloadSource, definitionJson ->
MergeThing.withFeatureDefinition(thingId, featureId,
ThingsModelFactory.newFeatureDefinition(
definitionJson), dittoHeaders))
)
),
// DELETE /features/{featureId}/definition
delete(() -> handlePerRequest(ctx,
DeleteFeatureDefinition.of(thingId, featureId, dittoHeaders))
)
)
)
)
);
}
/*
* Describes {@code /features/<featureId>/properties} route.
*
* @return {@code /features/<featureId>/properties} route.
*/
private Route featuresEntryProperties(final RequestContext ctx, final DittoHeaders dittoHeaders,
final ThingId thingId) {
return rawPathPrefix(PathMatchers.slash().concat(PathMatchers.segment()), featureId ->
rawPathPrefix(PathMatchers.slash().concat(PATH_PROPERTIES), () ->
pathEndOrSingleSlash(() ->
concat(
// GET /features/{featureId}/properties?fields=<fieldsString>
get(() -> parameterList(ThingsParameter.FIELDS.toString(), fields ->
handlePerRequest(ctx,
RetrieveFeatureProperties.of(thingId, featureId,
calculateSelectedFields(fields).orElse(null),
dittoHeaders))
)
),
// PUT /features/{featureId}/properties
put(() -> ensureMediaTypeJsonWithFallbacksThenExtractDataBytes(ctx,
dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertiesJson -> ModifyFeatureProperties.of(thingId,
featureId,
ThingsModelFactory.newFeatureProperties(propertiesJson),
dittoHeaders))
)
),
// PATCH /features/{featureId}/properties
patch(() -> ensureMediaTypeMergePatchJsonThenExtractDataBytes(ctx, dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertiesJson -> MergeThing.withFeatureProperties(thingId,
featureId,
ThingsModelFactory.newFeatureProperties(propertiesJson),
dittoHeaders))
)
),
// DELETE /features/{featureId}/properties
delete(() -> handlePerRequest(ctx,
DeleteFeatureProperties.of(thingId, featureId, dittoHeaders))
)
)
)
)
);
}
/*
* Describes {@code /features/<featureId>/properties/<propertyJsonPointer>} route.
*
* @return {@code /features/<featureId>/properties/<propertyJsonPointer>} route.
*/
private Route featuresEntryPropertiesEntry(final RequestContext ctx, final DittoHeaders dittoHeaders,
final ThingId thingId) {
return rawPathPrefix(PathMatchers.slash().concat(PathMatchers.segment()), featureId ->
rawPathPrefix(PathMatchers.slash()
.concat(PATH_PROPERTIES)
.concat(PathMatchers.slash())
.concat(PathMatchers.remaining())
.map(path -> UriEncoding.decode(path, UriEncoding.EncodingType.RFC3986))
.map(path -> "/" + path), // Prepend slash to path to fail request with double slashes
jsonPointerString ->
concat(
// GET /features/{featureId}/properties/<propertyJsonPointerStr>
get(() -> handlePerRequest(ctx, RetrieveFeatureProperty.of(thingId, featureId,
JsonFactory.newPointer(jsonPointerString), dittoHeaders))
),
// PUT /features/{featureId}/properties/<propertyJsonPointerStr>
put(() -> ensureMediaTypeJsonWithFallbacksThenExtractDataBytes(ctx,
dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertyJson -> ModifyFeatureProperty.of(thingId,
featureId,
JsonFactory.newPointer(jsonPointerString),
DittoJsonException.wrapJsonRuntimeException(
propertyJson,
dittoHeaders,
(json, headers) -> JsonFactory.readFrom(json)
),
dittoHeaders))
)
),
// PATCH /features/{featureId}/properties/<propertyJsonPointerStr>
patch(() -> ensureMediaTypeMergePatchJsonThenExtractDataBytes(ctx,
dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertyJson -> MergeThing.withFeatureProperty(thingId,
featureId,
JsonFactory.newPointer(jsonPointerString),
DittoJsonException.wrapJsonRuntimeException(
propertyJson,
dittoHeaders,
(json, headers) -> JsonFactory.readFrom(json)
),
dittoHeaders))
)
),
// DELETE /features/{featureId}/properties/<propertyJsonPointerStr>
delete(() -> handlePerRequest(ctx, DeleteFeatureProperty.of(thingId, featureId,
JsonFactory.newPointer(jsonPointerString), dittoHeaders))
)
)
)
);
}
/*
* Describes {@code /features/<featureId>/desiredProperties} route.
*
* @return {@code /features/<featureId>/desiredProperties} route.
*/
private Route featuresEntryDesiredProperties(final RequestContext ctx, final DittoHeaders dittoHeaders,
final ThingId thingId) {
return rawPathPrefix(PathMatchers.slash().concat(PathMatchers.segment()), featureId ->
rawPathPrefix(PathMatchers.slash().concat(PATH_DESIRED_PROPERTIES), () ->
pathEndOrSingleSlash(() ->
concat(
// GET /features/{featureId}/desiredProperties?fields=<fieldsString>
get(() -> parameterList(ThingsParameter.FIELDS.toString(), fields ->
handlePerRequest(ctx,
RetrieveFeatureDesiredProperties.of(thingId, featureId,
calculateSelectedFields(fields).orElse(null),
dittoHeaders))
)
),
// PUT /features/{featureId}/desiredProperties
put(() -> ensureMediaTypeJsonWithFallbacksThenExtractDataBytes(ctx,
dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertiesJson -> ModifyFeatureDesiredProperties.of(thingId,
featureId,
ThingsModelFactory.newFeatureProperties(propertiesJson),
dittoHeaders))
)
),
// PATCH /features/{featureId}/desiredProperties
patch(() -> ensureMediaTypeMergePatchJsonThenExtractDataBytes(ctx,
dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertiesJson -> MergeThing.withFeatureDesiredProperties(
thingId,
featureId,
ThingsModelFactory.newFeatureProperties(propertiesJson),
dittoHeaders))
)
),
// DELETE /features/{featureId}/desiredProperties
delete(() -> handlePerRequest(ctx,
DeleteFeatureDesiredProperties.of(thingId, featureId, dittoHeaders))
)
)
)
)
);
}
/*
* Describes {@code /features/<featureId>/desiredProperties/<propertyJsonPointer>} route.
*
* @return {@code /features/<featureId>/desiredProperties/<propertyJsonPointer>} route.
*/
private Route featuresEntryDesiredPropertiesEntry(final RequestContext ctx, final DittoHeaders dittoHeaders,
final ThingId thingId) {
return rawPathPrefix(PathMatchers.slash().concat(PathMatchers.segment()), featureId ->
rawPathPrefix(PathMatchers.slash()
.concat(PATH_DESIRED_PROPERTIES)
.concat(PathMatchers.slash())
.concat(PathMatchers.remaining())
.map(path -> UriEncoding.decode(path, UriEncoding.EncodingType.RFC3986))
.map(path -> "/" + path), // Prepend slash to path to fail request with double slashes
jsonPointerString ->
concat(
// GET /features/{featureId}/desiredProperties/<desiredPropertyJsonPointerStr>
get(() -> handlePerRequest(ctx,
RetrieveFeatureDesiredProperty.of(thingId, featureId,
JsonFactory.newPointer(jsonPointerString),
dittoHeaders))
),
// PUT /features/{featureId}/desiredProperties/<desiredPropertyJsonPointerStr>
put(() -> ensureMediaTypeJsonWithFallbacksThenExtractDataBytes(ctx,
dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertyJson -> ModifyFeatureDesiredProperty.of(thingId,
featureId,
JsonFactory.newPointer(jsonPointerString),
DittoJsonException.wrapJsonRuntimeException(
propertyJson,
dittoHeaders,
(json, headers) -> JsonFactory.readFrom(json)
),
dittoHeaders))
)
),
// PATCH /features/{featureId}/desiredProperties/<desiredPropertyJsonPointerStr>
patch(() -> ensureMediaTypeMergePatchJsonThenExtractDataBytes(ctx,
dittoHeaders,
payloadSource -> handlePerRequest(ctx, dittoHeaders, payloadSource,
propertyJson -> MergeThing.withFeatureDesiredProperty(thingId,
featureId,
JsonFactory.newPointer(jsonPointerString),
DittoJsonException.wrapJsonRuntimeException(
propertyJson,
dittoHeaders,
(json, headers) -> JsonFactory.readFrom(json)
),
dittoHeaders))
)
),
// DELETE /features/{featureId}/desiredProperties/<desiredPropertyJsonPointerStr>
delete(() -> handlePerRequest(ctx,
DeleteFeatureDesiredProperty.of(thingId, featureId,
JsonFactory.newPointer(jsonPointerString),
dittoHeaders))
)
)
)
);
}
/*
* Describes {@code /features/{featureId}/{inbox|outbox}} route.
*
* @return {@code /features/{featureId}/{inbox|outbox}} route.
*/
private Route featuresEntryInboxOutbox(final RequestContext ctx, final DittoHeaders dittoHeaders,
final ThingId thingId) {
// POST /features/{featureId}/<inbox|outbox>
return rawPathPrefix(PathMatchers.slash().concat(PathMatchers.segment()), featureId ->
messagesRoute.buildFeaturesInboxOutboxRoute(ctx, dittoHeaders, thingId, featureId)
);
}
}