Github user markap14 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2587#discussion_r179840389
--- 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 " +
--- End diff --
More specifically, I think that if the following were the content of a
FlowFile:
```
<person>
<name>John Doe</name>
<id>123</id>
<dob>01/01/2017</dob>
</person>
```
Then I would expect to have this parse as a single Record that would match
this schema:
```
{
"name": "person", "namespace": "nifi",
"type": "record",
"fields": [
{ "name": "name", "type": "string" },
{ "name": "id", "type": "int" },
{ "name": "dob", "type": "date" }
]
}
```
Additionally, I would expect to be able to set a property that indicates
that the outer-most XML element is simply a wrapper. If that property were set
to "true", then I would expect to use that exact same schema to parse the
following XML:
```
<people>
<person>
<name>John Doe</name>
<id>123</id>
<dob>01/01/2017</dob>
</person>
<person>
<name>Jane Doe</name>
<id>124</id>
<dob>01/01/2016</dob>
</person>
<person>
<name>Jake Doe</name>
<id>125</id>
<dob>01/01/2015</dob>
</person>
</people>
```
In this case, the 'people' element is just a wrapper and could just as
easily be an element named 'root' or 'foo' or 'bar'.
---
