MetadataParser (Databricks JDBC Driver 3.0.1 API)

java.lang.Object
- com.databricks.jdbc.api.impl.MetadataParser

```
public class MetadataParser
extends Object
```
Utility class for parsing metadata descriptions into structured type mappings.

Constructor Summary

Constructors
Constructor Description

MetadataParser()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static String`	`parseArrayMetadata(String metadata)`	Parses ARRAY metadata to retrieve the element type.
`static String`	`parseMapMetadata(String metadata)`	Parses MAP metadata to retrieve key and value types.
`static Map<String,String>`	`parseStructMetadata(String metadata)`	Parses STRUCT metadata to extract field types.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MetadataParser
```
public MetadataParser()
```
- Method Detail
  - parseStructMetadata
```
public static Map<String,String> parseStructMetadata(String metadata)
```
    Parses STRUCT metadata to extract field types.
    
    Parameters:
    
    metadata - the metadata string representing a STRUCT type
    
    Returns:
    
    a map where each key is a field name, and the value is the field's data type
  - parseArrayMetadata
```
public static String parseArrayMetadata(String metadata)
```
    Parses ARRAY metadata to retrieve the element type.
    
    Parameters:
    
    metadata - the metadata string representing an ARRAY type
    
    Returns:
    
    the element type contained within the array
  - parseMapMetadata
```
public static String parseMapMetadata(String metadata)
```
    Parses MAP metadata to retrieve key and value types.
    
    Parameters:
    
    metadata - the metadata string representing a MAP type
    
    Returns:
    
    a string formatted as "keyType, valueType"
    
    Throws:
    
    DatabricksDriverException - if the MAP metadata format is invalid