ijokarumawak commented on a change in pull request #3344: NIFI-6092 Create ListenSlack and FetchSlack processors URL: https://github.com/apache/nifi/pull/3344#discussion_r265411404
########## File path: nifi-nar-bundles/nifi-slack-bundle/nifi-slack-processors/src/main/java/org/apache/nifi/processors/slack/FetchSlack.java ########## @@ -0,0 +1,295 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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. + */ +package org.apache.nifi.processors.slack; + + +import java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.Set; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import javax.json.Json; +import javax.json.JsonArray; +import javax.json.JsonException; +import javax.json.JsonObject; +import javax.json.JsonReader; +import javax.json.JsonValue; +import javax.json.JsonValue.ValueType; + +import org.apache.http.Header; +import org.apache.http.HttpHeaders; +import org.apache.http.HttpResponse; +import org.apache.http.client.methods.HttpUriRequest; +import org.apache.http.client.methods.RequestBuilder; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClients; +import org.apache.http.message.BasicHeader; +import org.apache.nifi.annotation.behavior.EventDriven; +import org.apache.nifi.annotation.behavior.InputRequirement; +import org.apache.nifi.annotation.behavior.InputRequirement.Requirement; +import org.apache.nifi.annotation.behavior.WritesAttribute; +import org.apache.nifi.annotation.behavior.WritesAttributes; +import org.apache.nifi.annotation.documentation.CapabilityDescription; +import org.apache.nifi.annotation.documentation.Tags; +import org.apache.nifi.annotation.lifecycle.OnScheduled; +import org.apache.nifi.annotation.lifecycle.OnShutdown; +import org.apache.nifi.annotation.lifecycle.OnUnscheduled; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.processor.AbstractProcessor; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.Relationship; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.util.StandardValidators; + +@Tags({"slack", "download", "fetch", "attachment"}) +@CapabilityDescription("Downloading attachments from slack messages") Review comment: The PR description has following explanation. Can we add this to capability description, too? This is helpful for the first time user. ``` The input is the JSON string created by ListenSlack, the output is a new FlowFile with the content of the downloaded file and attributes are added based on the original message and the HTTP response. ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
