diff options
Diffstat (limited to 'src/main/java/org/onap/aai/spike/event/envelope')
3 files changed, 333 insertions, 0 deletions
diff --git a/src/main/java/org/onap/aai/spike/event/envelope/EventEnvelope.java b/src/main/java/org/onap/aai/spike/event/envelope/EventEnvelope.java new file mode 100644 index 0000000..1b92653 --- /dev/null +++ b/src/main/java/org/onap/aai/spike/event/envelope/EventEnvelope.java @@ -0,0 +1,75 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * Copyright © 2017-2018 Amdocs + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.spike.event.envelope; + +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import org.onap.aai.spike.event.outgoing.SpikeGraphEvent; + +public class EventEnvelope { + + private EventHeader header; + private SpikeGraphEvent body; + + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().create(); + + public EventEnvelope(EventHeader eventHeader, SpikeGraphEvent body) { + this.header = eventHeader; + this.body = body; + } + + /** + * Construct the envelope header from the provided event. + * + * @param event the Spike graph event for a vertex or edge operation + */ + public EventEnvelope(SpikeGraphEvent event) { + this.header = new EventHeader.Builder().requestId(event.getTransactionId()).build(); + this.body = event; + } + + public EventHeader getEventHeader() { + return header; + } + + public SpikeGraphEvent getBody() { + return body; + } + + /** + * Serializes this object into a JSON string representation. + * + * @return a JSON format string representation of this object. + */ + public String toJson() { + return gson.toJson(this); + } + + /* + * (non-Javadoc) + * + * @see java.lang.Object#toString() + */ + @Override + public String toString() { + return this.toJson(); + } +} diff --git a/src/main/java/org/onap/aai/spike/event/envelope/EventEnvelopeParser.java b/src/main/java/org/onap/aai/spike/event/envelope/EventEnvelopeParser.java new file mode 100644 index 0000000..8b62ffa --- /dev/null +++ b/src/main/java/org/onap/aai/spike/event/envelope/EventEnvelopeParser.java @@ -0,0 +1,64 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * Copyright © 2017-2018 Amdocs + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.spike.event.envelope; + +import java.util.UUID; +import com.google.gson.JsonElement; +import com.google.gson.JsonParser; +import org.onap.aai.spike.event.incoming.GizmoGraphEvent; +import org.onap.aai.spike.exception.SpikeException; +import org.onap.aai.spike.schema.GraphEventTransformer; + +public class EventEnvelopeParser { + + /** + * Parses the event to extract the content of the body and generate a {@link GizmoGraphEvent} + * object. + * + * @param event event envelope with both header and body properties + * @return the body of the event represented by a {@link GizmoGraphEvent} object + * @throws SpikeException if the event cannot be parsed + */ + public GizmoGraphEvent parseEvent(String event) throws SpikeException { + + GizmoGraphEvent graphEvent = GizmoGraphEvent.fromJson(extractEventBody(event)); + + GraphEventTransformer.populateUUID(graphEvent); + if (graphEvent.getTransactionId() == null || graphEvent.getTransactionId().isEmpty()) { + graphEvent.setTransactionId(UUID.randomUUID().toString()); + } + if (graphEvent.getRelationship() != null) { + GraphEventTransformer.validateEdgeModel(graphEvent.getRelationship()); + } else if (graphEvent.getVertex() != null) { + GraphEventTransformer.validateVertexModel(graphEvent.getVertex()); + } else { + throw new SpikeException("Unable to parse event: " + event); + } + + return graphEvent; + } + + private String extractEventBody(String event) { + JsonParser jsonParser = new JsonParser(); + JsonElement jsonElement = jsonParser.parse(event); + return jsonElement.getAsJsonObject().get("body").toString(); + } +} diff --git a/src/main/java/org/onap/aai/spike/event/envelope/EventHeader.java b/src/main/java/org/onap/aai/spike/event/envelope/EventHeader.java new file mode 100644 index 0000000..f8aa72b --- /dev/null +++ b/src/main/java/org/onap/aai/spike/event/envelope/EventHeader.java @@ -0,0 +1,194 @@ +/** + * ============LICENSE_START======================================================= + * org.onap.aai + * ================================================================================ + * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. + * Copyright © 2017-2018 Amdocs + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.onap.aai.spike.event.envelope; + +import java.time.Instant; +import java.time.ZoneOffset; +import java.time.format.DateTimeFormatter; +import java.util.Objects; +import java.util.UUID; +import com.google.gson.Gson; +import com.google.gson.GsonBuilder; +import com.google.gson.annotations.SerializedName; +import org.apache.commons.lang3.builder.EqualsBuilder; + +public class EventHeader { + + @SerializedName("request-id") + private String requestId; + + private String timestamp; + + @SerializedName("source-name") + private String sourceName; + + @SerializedName("event-type") + private String eventType; + + @SerializedName("validation-entity-type") + private String validationEntityType; + + @SerializedName("validation-top-entity-type") + private String validationTopEntityType; + + @SerializedName("entity-link") + private String entityLink; + + private static final String MICROSERVICE_NAME = "SPIKE"; + private static final String EVENT_TYPE_PENDING_UPDATE = "update-notification"; + private static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().create(); + + public static class Builder { + + private String requestId; + private String validationEntityType; + private String validationTopEntityType; + private String entityLink; + + public Builder requestId(String val) { + requestId = val; + return this; + } + + public Builder validationEntityType(String val) { + validationEntityType = val; + return this; + } + + public Builder validationTopEntityType(String val) { + validationTopEntityType = val; + return this; + } + + public Builder entityLink(String val) { + entityLink = val; + return this; + } + + public EventHeader build() { + return new EventHeader(this); + } + } + + private EventHeader(Builder builder) { + requestId = builder.requestId != null ? builder.requestId : UUID.randomUUID().toString(); + timestamp = DateTimeFormatter.ofPattern("yyyyMMdd'T'HHmmssX").withZone(ZoneOffset.UTC).format(Instant.now()); + sourceName = MICROSERVICE_NAME; + eventType = EVENT_TYPE_PENDING_UPDATE; + + validationEntityType = builder.validationEntityType; + validationTopEntityType = builder.validationTopEntityType; + entityLink = builder.entityLink; + } + + /** + * Serializes this object into a JSON string representation. + * + * @return a JSON format string representation of this object. + */ + public String toJson() { + return gson.toJson(this); + } + + /////////////////////////////////////////////////////////////////////////// + // GETTERS + /////////////////////////////////////////////////////////////////////////// + + public String getRequestId() { + return requestId; + } + + public String getTimestamp() { + return timestamp; + } + + public String getSourceName() { + return sourceName; + } + + public String getEventType() { + return eventType; + } + + public String getValidationEntityType() { + return validationEntityType; + } + + public String getValidationTopEntityType() { + return validationTopEntityType; + } + + public String getEntityLink() { + return entityLink; + } + + /////////////////////////////////////////////////////////////////////////// + // OVERRIDES + /////////////////////////////////////////////////////////////////////////// + + /* + * (non-Javadoc) + * + * @see java.lang.Object#hashCode() + */ + @Override + public int hashCode() { + return Objects.hash(this.requestId, this.timestamp, this.sourceName, this.eventType, this.validationEntityType, + this.validationTopEntityType, this.entityLink); + } + + /* + * (non-Javadoc) + * + * @see java.lang.Object#equals(java.lang.Object) + */ + @Override + public boolean equals(Object obj) { + if (!(obj instanceof EventHeader)) { + return false; + } else if (obj == this) { + return true; + } + EventHeader rhs = (EventHeader) obj; + // @formatter:off + return new EqualsBuilder() + .append(requestId, rhs.requestId) + .append(timestamp, rhs.timestamp) + .append(sourceName, rhs.sourceName) + .append(eventType, rhs.eventType) + .append(validationEntityType, rhs.validationEntityType) + .append(validationTopEntityType, rhs.validationTopEntityType) + .append(entityLink, rhs.entityLink) + .isEquals(); + // @formatter:on + } + + /* + * (non-Javadoc) + * + * @see java.lang.Object#toString() + */ + @Override + public String toString() { + return this.toJson(); + } + +} |