dw.io
Class CSVStreamReader
Object
dw.io.CSVStreamReader
The class supports reading a CSV file. The reader supports handling CSV entries where the separator is contained in quotes and also CSV entries where a quoted entry contains newline characters.
Constructor Summary
CSVStreamReader(ioreader : Reader)
Creates a new CSVReader with a ',' as separator character and a '"' as quote character.
CSVStreamReader(ioreader : Reader, separator : String)
Creates a new CSVReader with the specified separator character and a '"' as quote character.
CSVStreamReader(ioreader : Reader, separator : String, quote : String)
Creates a new CSVReader with the specified separator character and the specified quote character.
CSVStreamReader(ioreader : Reader, separator : String, quote : String, skip : Number)
Creates a new CSVReader.
Method Summary
close() : void
Closes the underlying reader.
readAll() : List
Returns a list of lines representing the entire CSV file.
readNext() : String[]
Returns the next line from the input stream.
Methods inherited from class Object
assign, create, create, defineProperties, defineProperty, entries, freeze, fromEntries, getOwnPropertyDescriptor, getOwnPropertyNames, getOwnPropertySymbols, getPrototypeOf, hasOwnProperty, is, isExtensible, isFrozen, isPrototypeOf, isSealed, keys, preventExtensions, propertyIsEnumerable, seal, setPrototypeOf, toLocaleString, toString, valueOf, values
Constructor Detail
CSVStreamReader
public CSVStreamReader(ioreader : Reader)
Creates a new CSVReader with a ',' as separator character and a '"' as quote character. The reader doesn't skip any header lines.
Parameters:
ioreader - the reader to use.
CSVStreamReader
public CSVStreamReader(ioreader : Reader, separator : String)
Creates a new CSVReader with the specified separator character and a '"' as quote character. The reader doesn't skip any header lines.
Parameters:
ioreader - the reader to use.
separator - a string, which represents the separator character.
CSVStreamReader
public CSVStreamReader(ioreader : Reader, separator : String, quote : String)
Creates a new CSVReader with the specified separator character and the specified quote character. The reader doesn't skip any header lines.
Parameters:
ioreader - the reader to use.
separator - a string, which represents the separator character.
quote - a string, which represents the quote character.
CSVStreamReader
public CSVStreamReader(ioreader : Reader, separator : String, quote : String, skip : Number)
Creates a new CSVReader. The separator character, the quote character and the number of header lines can be specified in the call.
Parameters:
ioreader - the reader to use.
separator - a string, which represents the separator character.
quote - a string, which represents the quote character.
skip - the number of lines to skip at the beginning of the file.
Method Detail
close
close() : void
Closes the underlying reader.
readAll
readAll() : List
Returns a list of lines representing the entire CSV file. Each line is a array of strings.

Using this method on large feeds is inherently unsafe and may lead to an out-of-memory condition. Instead use method readNext() and process entries line by line.

Returns:
a list of lines representing the entire CSV file.
readNext
readNext() : String[]
Returns the next line from the input stream. The line is returned as an array of strings. The method returns null if the end of the stream is reached.
Returns:
the next line from the input stream as an array of strings.