[
https://issues.apache.org/jira/browse/NIFI-1808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15269095#comment-15269095
]
ASF GitHub Bot commented on NIFI-1808:
--------------------------------------
Github user olegz commented on a diff in the pull request:
https://github.com/apache/nifi/pull/392#discussion_r61917362
--- Diff:
nifi-nar-bundles/nifi-mqtt-bundle/nifi-mqtt-processors/src/main/java/org/apache/nifi/processors/mqtt/common/AbstractMQTTProcessor.java
---
@@ -0,0 +1,190 @@
+/*
+ * 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.mqtt.common;
+
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.components.Validator;
+import org.apache.nifi.expression.AttributeExpression;
+import org.apache.nifi.processor.AbstractProcessor;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.ssl.SSLContextService;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Properties;
+
+public abstract class AbstractMQTTProcessor extends AbstractProcessor{
+
+ public static final int LAST_WILL_QOS = 2;
+
+ public static final Validator QoSValidator = new Validator() {
+
+ @Override
+ public ValidationResult validate(String subject, String input,
ValidationContext context) {
+ Integer inputInt = Integer.parseInt(input);
+ if (inputInt < 0 || inputInt > 2) {
+ return new
ValidationResult.Builder().subject(subject).valid(false).explanation("QoS must
be an integer between 0 and 2").build();
+ }
+ return new
ValidationResult.Builder().subject(subject).valid(true).build();
+ }
+ };
+
+ public static final Validator BrokerValidator = new Validator() {
+
+ @Override
+ public ValidationResult validate(String subject, String input,
ValidationContext context) {
+ try{
+ URI brokerURI = new URI(input);
+ if (!"".equals(brokerURI.getPath())) {
+ return new
ValidationResult.Builder().subject(subject).valid(false).explanation("the
broker URI cannot have a path. It currently is:" + brokerURI.getPath()).build();
+ }
+ if (!("tcp".equals(brokerURI.getScheme()) ||
"ssl".equals(brokerURI.getScheme()))) {
+ return new
ValidationResult.Builder().subject(subject).valid(false).explanation("only the
'tcp' and 'ssl' schemes are supported.").build();
+ }
+ } catch (URISyntaxException e) {
+ e.printStackTrace();
--- End diff --
You didn't mean that, right?
> Create General MQTT Processors
> ------------------------------
>
> Key: NIFI-1808
> URL: https://issues.apache.org/jira/browse/NIFI-1808
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Joseph Percivall
> Assignee: Joseph Percivall
>
> MQTT[1] is a great "Internet of Things" (IoT) connectivity protocol that
> implementing processors for would allow NiFi to continue expanding into the
> IoT domain. A prime opportunity would be to use in conjunction with Apache
> NiFi - MiNiFi.
> [1] http://mqtt.org/
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