Package io.getlime.security.powerauth.lib.cmd.util

Class FileUtil

java.lang.Object

io.getlime.security.powerauth.lib.cmd.util.FileUtil

public class FileUtil
extends Object

Helper class for reading data from files.

Author:

Lukas Lukovsky, lukas.lukovsky@wultra.com

Constructor Summary

Constructors

Constructor	Description
FileUtil()

Method Summary

Modifier and Type	Method	Description
static <T> T	readDataFromFile(StepLogger stepLogger, String filePath, Class<T> cls, String logFileId, String fileDescription)	Reads data from a provided file
static byte[]	readFileBytes(StepLogger stepLogger, String filePath, String logFileId, String fileDescription)	Read the contents of a provided data file.

Methods inherited from class java.lang.Object

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

Constructor Details

FileUtil

public FileUtil()

Method Details

readFileBytes

public static byte[] readFileBytes(StepLogger stepLogger,
 @Nullable
 String filePath,
 String logFileId,
 String fileDescription)
                            throws IOException,
PowerAuthCmdException

Read the contents of a provided data file.

Parameters:

stepLogger - Logger for error handling.

filePath - Path of the file.

logFileId - File id used for logging messages.

fileDescription - Description of the file

Returns:

Bytes with the contents of the file.

Throws:

IOException - In case reading the file failed.

PowerAuthCmdException - In case the filename is null or a file does not exist.

readDataFromFile

public static <T> T readDataFromFile(StepLogger stepLogger,
 String filePath,
 Class<T> cls,
 String logFileId,
 String fileDescription)
                              throws Exception

Reads data from a provided file

Type Parameters:

T - Class type of the returned data

Parameters:

stepLogger - Step logger

filePath - Path of the file

cls - Class of the returned data

logFileId - File id used for logging messages

fileDescription - Description of the file

Returns:

File data converted to the desired type

Throws:

Exception - when an error during file data reading occurred