Package com.levigo.jadice.web.demo.common.client.commands

Class FileReader

java.lang.Object

com.levigo.jadice.web.demo.common.client.commands.FileReader

public class FileReader
extends Object

A utility class providing different utility methods for reading files via JavaScript.

There are currently two utility methods provided by this class.

• The method getFileCount returns the number of files contained by the given JavaScript object
• The method readFile reads the given fill and returns a FileReadrResult containing the file name, the red data, the content type and the size of the file.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FileReader.FileReadResult

Constructor Summary

Constructors

Constructor	Description
FileReader()

Method Summary

Modifier and Type	Method	Description
static int	getFileCount(Object e)	Returns the number of files contained by the given javascript object
static void	readFile(Object e, int i, AsyncCallback<FileReader.FileReadResult> callback)	Reads the specified file and returns the result via the AsyncCallback as a FileReader.FileReadResult.

Methods inherited from class java.lang.Object

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

Constructor Details

FileReader

public FileReader()

Method Details

getFileCount

public static int getFileCount(Object e)

Returns the number of files contained by the given javascript object

Parameters:

e - the javascript object containing the file

Returns:

the file count

readFile

public static void readFile(Object e,
 int i,
 AsyncCallback<FileReader.FileReadResult> callback)

Reads the specified file and returns the result via the AsyncCallback as a FileReader.FileReadResult.

Parameters:

e - the javascript element containing the files

i - the index of the files inside the list of files contained by the javascript file

callback - the AsyncCallback to wich the result should be returned