Csv (The Adobe AEM Quickstart and Web Application.)

java.lang.Object
- com.day.text.csv.Csv

```
public class Csv
extends java.lang.Object
```
A facility to read from and write to CSV (comma separated values) files. This is a simplified version of the CSV tool of the H2 database: http://code.google.com/p/h2database/source/browse/trunk/h2/src/main/org/h2/tools/Csv.java (also written by Thomas Mueller)

Constructor Summary

Constructors
Constructor and Description

Csv()

Constructors
Constructor and Description
`Csv()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`close()` Close all streams.
`char`	`getEscapeCharacter()` Get the current escape character.
`char`	`getFieldDelimiter()` Get the current field delimiter.
`char`	`getFieldSeparatorRead()` Get the current field separator for reading.
`java.lang.String`	`getFieldSeparatorWrite()` Get the current field separator for writing.
`java.lang.String`	`getNullString()` Get the current null string.
`java.lang.String`	`getRowSeparatorWrite()` Get the current row separator for writing.
`java.util.Iterator<java.lang.String[]>`	`read(java.io.InputStream in, java.lang.String charset)` Reads from the CSV file and returns an iterator.
`java.util.Iterator<java.lang.String[]>`	`read(java.io.Reader reader)` Reads from the CSV file and returns an iterator.
`void`	`setEscapeCharacter(char escapeCharacter)` Set the escape character (used to escape the field delimiter).
`void`	`setFieldDelimiter(char fieldDelimiter)` Set the field delimiter.
`void`	`setFieldSeparatorRead(char fieldSeparatorRead)` Override the field separator for reading.
`void`	`setFieldSeparatorWrite(java.lang.String fieldSeparatorWrite)` Override the field separator for writing.
`void`	`setLineSeparator(java.lang.String lineSeparator)` Set the line separator.
`void`	`setNullString(java.lang.String nullString)` Set the value that represents NULL.
`void`	`setRowSeparatorWrite(java.lang.String rowSeparatorWrite)` Override the end-of-row marker for writing.
`void`	`writeInit(java.io.OutputStream out, java.lang.String charset)` Initialize writing.
`void`	`writeInit(java.io.Writer writer)` Initialize writing.
`void`	`writeRow(java.lang.String... values)` Write a row.

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

- Constructor Detail
  - Csv
```
public Csv()
```
- Method Detail
  - read
```
public java.util.Iterator<java.lang.String[]> read(java.io.InputStream in,
                                                   java.lang.String charset)
                                            throws java.io.IOException
```
    Reads from the CSV file and returns an iterator. The rows in the result set are created on demand, that means the file is kept open until all rows are read or the CSV tool is closed.
    Depending on the contents of the file, the first line of the result may or may not contain the column names.
    
    Parameters:
    
    in - the input stream
    
    charset - the charset or null to use the system default charset (see system property file.encoding)
    
    Returns:
    
    the iterator
    
    Throws:
    
    java.io.IOException
  - read
```
public java.util.Iterator<java.lang.String[]> read(java.io.Reader reader)
                                            throws java.io.IOException
```
    Reads from the CSV file and returns an iterator. The rows in the result set are created on demand, that means the file is kept open until all rows are read or the CSV tool is closed.
    Depending on the contents of the file, the first line of the result may or may not contain the column names.
    
    Parameters:
    
    reader - the reader
    
    Returns:
    
    the iterator
    
    Throws:
    
    java.io.IOException
  - writeInit
```
public void writeInit(java.io.OutputStream out,
                      java.lang.String charset)
               throws java.io.IOException
```
    Initialize writing.
    
    Parameters:
    
    out - the output stream
    
    charset - the character set or null
    
    Throws:
    
    java.io.IOException
  - writeInit
```
public void writeInit(java.io.Writer writer)
               throws java.io.IOException
```
    Initialize writing.
    
    Parameters:
    
    writer - the writer
    
    Throws:
    
    java.io.IOException
  - writeRow
```
public void writeRow(java.lang.String... values)
              throws java.io.IOException
```
    Write a row.
    
    Parameters:
    
    values - the values
    
    Throws:
    
    java.io.IOException
  - close
```
public void close()
           throws java.io.IOException
```
    Close all streams. Exceptions are ignored.
    
    Throws:
    
    java.io.IOException
  - setFieldSeparatorWrite
```
public void setFieldSeparatorWrite(java.lang.String fieldSeparatorWrite)
```
    Override the field separator for writing. The default is ",".
    
    Parameters:
    
    fieldSeparatorWrite - the field separator
  - getFieldSeparatorWrite
```
public java.lang.String getFieldSeparatorWrite()
```
    Get the current field separator for writing.
    
    Returns:
    
    the field separator
  - setFieldSeparatorRead
```
public void setFieldSeparatorRead(char fieldSeparatorRead)
```
    Override the field separator for reading. The default is ','.
    
    Parameters:
    
    fieldSeparatorRead - the field separator
  - getFieldSeparatorRead
```
public char getFieldSeparatorRead()
```
    Get the current field separator for reading.
    
    Returns:
    
    the field separator
  - getRowSeparatorWrite
```
public java.lang.String getRowSeparatorWrite()
```
    Get the current row separator for writing.
    
    Returns:
    
    the row separator
  - setRowSeparatorWrite
```
public void setRowSeparatorWrite(java.lang.String rowSeparatorWrite)
```
    Override the end-of-row marker for writing. The default is null. After writing the end-of-row marker, a line feed is written (\n or \r\n depending on the system settings).
    
    Parameters:
    
    rowSeparatorWrite - the row separator
  - setFieldDelimiter
```
public void setFieldDelimiter(char fieldDelimiter)
```
    Set the field delimiter. The default is " (a double quote). The value 0 means no field delimiter is used.
    
    Parameters:
    
    fieldDelimiter - the field delimiter
  - getFieldDelimiter
```
public char getFieldDelimiter()
```
    Get the current field delimiter.
    
    Returns:
    
    the field delimiter
  - setEscapeCharacter
```
public void setEscapeCharacter(char escapeCharacter)
```
    Set the escape character (used to escape the field delimiter). The default is " (a double quote). The value 0 means no escape character is used.
    
    Parameters:
    
    escapeCharacter - the escape character
  - getEscapeCharacter
```
public char getEscapeCharacter()
```
    Get the current escape character.
    
    Returns:
    
    the escape character
  - setLineSeparator
```
public void setLineSeparator(java.lang.String lineSeparator)
```
    Set the line separator.
    
    Parameters:
    
    lineSeparator - the line separator
  - setNullString
```
public void setNullString(java.lang.String nullString)
```
    Set the value that represents NULL. The default is an empty string.
    
    Parameters:
    
    nullString - the null
  - getNullString
```
public java.lang.String getNullString()
```
    Get the current null string.
    
    Returns:
    
    the null string.

Class Csv

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Csv

Method Detail

read

read

writeInit

writeInit

writeRow

close

setFieldSeparatorWrite

getFieldSeparatorWrite

setFieldSeparatorRead

getFieldSeparatorRead

getRowSeparatorWrite

setRowSeparatorWrite

setFieldDelimiter

getFieldDelimiter

setEscapeCharacter

getEscapeCharacter

setLineSeparator

setNullString

getNullString