net.sf.basedb.clients.web.plugins
Class PlainTextTemplate

java.lang.Object
  net.sf.basedb.clients.web.plugins.PlainTextTemplate

All Implemented Interfaces:

ExportTemplate

public class PlainTextTemplate
extends Object
implements ExportTemplate

A plain text template that exports data in tab-delimited format.

Version:

2.2

Author:

nicklas

Last modified

$Date: 2011-11-01 15:46:08 +0100 (Tue, 01 Nov 2011) $

Field Summary

private int	colNum
private Writer	exportStream
private List<ExportedProperty>	properties
private static Pattern	UNSAFE

Constructor Summary

PlainTextTemplate(Writer exportStream, List<ExportedProperty> properties, Item itemType)
Create a new template.

Method Summary

void	beginDocument() Do nothing.
void	beginItem(int id) Reset column number.
void	endDocument() Do nothing.
void	endItem() Write a newline.
private String	escape(String data) Replace newlines and tabs with a space.
String	getDefaultFileExtension() Get the default file extension to give to files generated by this template.
String	getMimeType() Get the MIME type to assign to files generated by this template.
void	writeAnnotations(ExportedProperty ep, List<?> values, String unit) Join the annotation values into a single string with a comma.
void	writeCollection(ExportedProperty ep, Collection<?> values) Writes a collection of values.
void	writeHeaders() Write the headers on a single line.
void	writeProperty(ExportedProperty ep, Object data) Write the data object.

Methods inherited from class java.lang.Object

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

Field Detail

exportStream

private final Writer exportStream

properties

private final List<ExportedProperty> properties

colNum

private int colNum

UNSAFE

private static final Pattern UNSAFE

Constructor Detail

PlainTextTemplate

public PlainTextTemplate(Writer exportStream,
                         List<ExportedProperty> properties,
                         Item itemType)

Create a new template.

Parameters:

exportStream - The stream to write to

properties - All exported properties

itemType - The type of items we are exporting

Method Detail

getMimeType

public String getMimeType()

Description copied from interface: ExportTemplate

Get the MIME type to assign to files generated by this template.

Specified by:

getMimeType in interface ExportTemplate

Returns:

text/plain

getDefaultFileExtension

public String getDefaultFileExtension()

Description copied from interface: ExportTemplate

Get the default file extension to give to files generated by this template.

Specified by:

getDefaultFileExtension in interface ExportTemplate

Returns:

Always "csv"

Since:

3.0

beginDocument

public void beginDocument()
                   throws IOException

Do nothing.

Specified by:

beginDocument in interface ExportTemplate

Throws:

IOException - If there is an error

writeHeaders

public void writeHeaders()
                  throws IOException

Write the headers on a single line.

Specified by:

writeHeaders in interface ExportTemplate

Throws:

IOException - If there is an error

beginItem

public void beginItem(int id)
               throws IOException

Reset column number.

Specified by:

beginItem in interface ExportTemplate

Parameters:

id - Id of the new item.

Throws:

IOException - If there is an error

writeAnnotations

public void writeAnnotations(ExportedProperty ep,
                             List<?> values,
                             String unit)
                      throws IOException

Join the annotation values into a single string with a comma.

Specified by:

writeAnnotations in interface ExportTemplate

Parameters:

ep - Exported property the annotations belongs to

values - Annotation values to be written.

unit - The unit of the annotation values, or null to not display write a unit

Throws:

IOException - If there is an error

writeProperty

public void writeProperty(ExportedProperty ep,
                          Object data)
                   throws IOException

Write the data object.

Specified by:

writeProperty in interface ExportTemplate

Parameters:

ep - The exported property the data belongs to.

data - Data to be written.

Throws:

IOException - If there is an error

writeCollection

public void writeCollection(ExportedProperty ep,
                            Collection<?> values)
                     throws IOException

Writes a collection of values.

Specified by:

writeCollection in interface ExportTemplate

Parameters:

ep - Exported property the values belong to

values - The values to be written

Throws:

IOException

Since:

2.12

endItem

public void endItem()
             throws IOException

Write a newline.

Specified by:

endItem in interface ExportTemplate

Throws:

IOException - If there is an error

endDocument

public void endDocument()
                 throws IOException

Do nothing.

Specified by:

endDocument in interface ExportTemplate

Throws:

IOException - If there is an error

escape

private String escape(String data)

Replace newlines and tabs with a space. Null values are converted to empty strings.