Package ch.hsr.adv.ui.core.access

Class FileDatastoreAccess

java.lang.Object

ch.hsr.adv.ui.core.access.FileDatastoreAccess

All Implemented Interfaces:

DatastoreAccess

public class FileDatastoreAccess
extends java.lang.Object
implements DatastoreAccess

Stores and reads JSON Files on the filesystem

Constructor Summary

Constructors

Constructor	Description
FileDatastoreAccess()

Method Summary

Modifier and Type	Method	Description
java.lang.String	read(java.io.File file)	Reads the given file if it exists, using the jvm default charset.
void	write(java.io.File file, java.lang.String jsonPayload)	Writes the given json payload to the given file, using the jvm default charset.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileDatastoreAccess

public FileDatastoreAccess()

Method Detail

read

public java.lang.String read(java.io.File file)
                      throws java.io.IOException

Reads the given file if it exists, using the jvm default charset.

Specified by:

read in interface DatastoreAccess

Parameters:

file - file to read

Returns:

null or json payload

Throws:

java.io.IOException - exception

write

public void write(java.io.File file,
                  java.lang.String jsonPayload)
           throws java.io.IOException

Writes the given json payload to the given file, using the jvm default charset.

Specified by:

write in interface DatastoreAccess

Parameters:

file - new or existing file

jsonPayload - data

Throws:

java.io.IOException - exception