CsvFieldReader (Atlas :: CSV Core 2.3.17 API)

java.lang.Object
- io.atlasmap.csv.core.CsvFieldReader

All Implemented Interfaces:

io.atlasmap.spi.AtlasFieldReader
```
public class CsvFieldReader
extends Object
implements io.atlasmap.spi.AtlasFieldReader
```
It accepts InputStream as a document in order to process big files efficiently. It uses the mark operation of the InputStream to reset the stream and read consecutive fields. If InputStream does not support the mark operation it is wrapped in BufferedInputStream.

Constructor Summary

Constructors
Constructor Description

CsvFieldReader(CsvConfig csvConfig)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`io.atlasmap.v2.Field`	`read(io.atlasmap.spi.AtlasInternalSession session)`
`io.atlasmap.v2.Document`	`readSchema()`	Reads only the first row of the document.
`void`	`setDocument(InputStream inputStream)`

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

- Constructor Detail
  - CsvFieldReader
```
public CsvFieldReader(CsvConfig csvConfig)
```
- Method Detail
  - setDocument
```
public void setDocument(InputStream inputStream)
```
  - read
```
public io.atlasmap.v2.Field read(io.atlasmap.spi.AtlasInternalSession session)
                          throws io.atlasmap.api.AtlasException
```
    Specified by:
    
    read in interface io.atlasmap.spi.AtlasFieldReader
    
    Throws:
    
    io.atlasmap.api.AtlasException
  - readSchema
```
public io.atlasmap.v2.Document readSchema()
                                   throws io.atlasmap.api.AtlasException
```
    Reads only the first row of the document. If firstRecordAsHeader is set to true it uses column names for field names, otherwise it uses an index starting from 0.
    
    Returns:
    
    Document built from CSV
    
    Throws:
    
    io.atlasmap.api.AtlasException - if it fails