Github user aperepel commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1636#discussion_r109968697
--- Diff:
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/AbstractAzureProcessor.java
---
@@ -0,0 +1,85 @@
+/*
+ * 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.azure;
+
+import java.net.URISyntaxException;
+import java.security.InvalidKeyException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.AbstractProcessor;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.Relationship;
+
+import com.microsoft.azure.storage.CloudStorageAccount;
+
+public abstract class AbstractAzureProcessor extends AbstractProcessor {
+
+ public static final Relationship REL_SUCCESS = new
Relationship.Builder().name("success").description("All successfully processed
FlowFiles are routed to this relationship").build();
+ public static final Relationship REL_FAILURE = new
Relationship.Builder().name("failure").description("Unsuccessful operations
will be transferred to the failure relationship.").build();
+ public static final Set<Relationship> RELATIONSHIPS =
Collections.unmodifiableSet(new HashSet<>(Arrays.asList(REL_SUCCESS,
REL_FAILURE)));
+
+ protected CloudStorageAccount createStorageConnection(ProcessContext
context) {
+ final String accountName =
context.getProperty(AzureConstants.ACCOUNT_NAME).evaluateAttributeExpressions().getValue();
+ final String accountKey =
context.getProperty(AzureConstants.ACCOUNT_KEY).evaluateAttributeExpressions().getValue();
+ return createStorageConnectionFromNameAndKey(accountName,
accountKey);
+ }
+
+ protected CloudStorageAccount createStorageConnection(ProcessContext
context, FlowFile flowFile) {
+ final String accountName =
context.getProperty(AzureConstants.ACCOUNT_NAME).evaluateAttributeExpressions(flowFile).getValue();
+ final String accountKey =
context.getProperty(AzureConstants.ACCOUNT_KEY).evaluateAttributeExpressions(flowFile).getValue();
+ return createStorageConnectionFromNameAndKey(accountName,
accountKey);
+ }
+
+ private CloudStorageAccount
createStorageConnectionFromNameAndKey(String accountName, String accountKey) {
+ final String storageConnectionString =
String.format(AzureConstants.FORMAT_DEFAULT_CONNECTION_STRING, accountName,
accountKey);
+ try {
+ return
createStorageAccountFromConnectionString(storageConnectionString);
+ } catch (InvalidKeyException | IllegalArgumentException |
URISyntaxException e) {
+ throw new IllegalArgumentException(e);
+ }
+ }
+
+ /**
+ * Validates the connection string and returns the storage account.
The connection string must be in the Azure connection string format.
+ *
+ * @param storageConnectionString
+ * Connection string for the storage service or the emulator
+ * @return The newly created CloudStorageAccount object
+ *
+ */
+ protected static CloudStorageAccount
createStorageAccountFromConnectionString(String storageConnectionString) throws
IllegalArgumentException, URISyntaxException, InvalidKeyException {
--- End diff --
Done
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