com.purplehillsbooks.streams

Class CSVHelper

java.lang.Object

com.purplehillsbooks.streams.CSVHelper

public class CSVHelper
extends java.lang.Object

Helps to read and write a CSV file, all methods are static writeLine: Converts list of String values into a line of a CSV file parseLine: read a line from a LineNumberReader and return the list of Strings That should be all you need. Create or open the file & streams yourself from whatever source you need to read from.. Everything in this class works on characters, and not bytes.

Constructor Summary

Constructors

Constructor and Description
CSVHelper()

Method Summary

Modifier and Type	Method and Description
static java.util.List<java.lang.String>	parseLine(java.io.Reader r) returns a row of values as a list returns null if you are past the end of the line
static void	writeLine(java.io.Writer w, java.util.List<java.lang.String> values) Write a single row of a CSV table, all values are quoted
static void	writeLine(java.io.Writer w, java.lang.String... values) Write a single row of a CSV table, all values are quoted using variable parameter syntax so you are not required to construct a List object
static void	writeTable(java.io.Writer w, java.util.List<java.util.List<java.lang.String>> table) Just a convenience method that iterates teh rows of a table and outputs to a writer which is presumably a CSV file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CSVHelper

public CSVHelper()

Method Detail

writeTable

public static void writeTable(java.io.Writer w,
                              java.util.List<java.util.List<java.lang.String>> table)
                       throws java.lang.Exception

Just a convenience method that iterates teh rows of a table and outputs to a writer which is presumably a CSV file.

Throws:

java.lang.Exception

writeLine

public static void writeLine(java.io.Writer w,
                             java.util.List<java.lang.String> values)
                      throws java.lang.Exception

Write a single row of a CSV table, all values are quoted

Throws:

java.lang.Exception

writeLine

public static void writeLine(java.io.Writer w,
                             java.lang.String... values)
                      throws java.lang.Exception

Write a single row of a CSV table, all values are quoted using variable parameter syntax so you are not required to construct a List object

Throws:

java.lang.Exception

parseLine

public static java.util.List<java.lang.String> parseLine(java.io.Reader r)
                                                  throws java.lang.Exception

returns a row of values as a list returns null if you are past the end of the line

Throws:

java.lang.Exception