Github user markap14 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2587#discussion_r179819928
--- Diff:
nifi-nar-bundles/nifi-standard-services/nifi-record-serialization-services-bundle/nifi-record-serialization-services/src/main/java/org/apache/nifi/xml/XMLReader.java
---
@@ -0,0 +1,133 @@
+/*
+ * 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.xml;
+
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnEnabled;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.controller.ConfigurationContext;
+import org.apache.nifi.logging.ComponentLog;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.schema.access.SchemaNotFoundException;
+import org.apache.nifi.serialization.DateTimeUtils;
+import org.apache.nifi.serialization.MalformedRecordException;
+import org.apache.nifi.serialization.RecordReader;
+import org.apache.nifi.serialization.RecordReaderFactory;
+import org.apache.nifi.serialization.SchemaRegistryService;
+import org.apache.nifi.serialization.record.RecordSchema;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+@Tags({"xml", "record", "reader", "parser"})
+@CapabilityDescription("Reads XML content and creates Record objects.
Records are expected in the second level of " +
+ "XML data, embedded in an enclosing root tag.")
+public class XMLReader extends SchemaRegistryService implements
RecordReaderFactory {
+
+ public static final PropertyDescriptor VALIDATE_ROOT_TAG = new
PropertyDescriptor.Builder()
+ .name("validate_root_tag")
+ .displayName("Validate Root Tag")
+ .description("If this property is set, the name of root tags
(e. g. <root><record>...</record></root>) of incoming FlowFiles will be
evaluated against this value. " +
+ "In the case of a mismatch, an exception is thrown.
The treatment of such FlowFiles depends on the implementation " +
+ "of respective Processors.")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .expressionLanguageSupported(true)
+ .required(false)
+ .build();
+
+ public static final PropertyDescriptor VALIDATE_RECORD_TAG = new
PropertyDescriptor.Builder()
--- End diff --
Likewise, I think we should remove this property and this sort of
validation as well. If the user wants to validate some specific XML element
names, the ValidateRecord processor is a great solution for that, and provides
far more flexible validation via schema.
---