es.gob.afirma.utils

Class GenericUtils

java.lang.Object

es.gob.afirma.utils.GenericUtils

public final class GenericUtils
extends java.lang.Object

Class with generic utilities.

Project:

Library for the integration with the services of @Firma, eVisor and TS@.

Version:

1.3, 18/04/2022.

Method Summary

Modifier and Type	Method and Description
static boolean	assertArrayValid(byte[] data) Asserts whether a array is valid (not null and not empty).
static boolean	assertStringValue(java.lang.String value) Asserts whether a value is valid (not null or not empty).
static boolean	checkNullValues(java.lang.Object... values) Checks if a value is null.
static byte[]	getDataFromInputStream(java.io.InputStream input) Reads and converts a bytes stream to byte array.
static java.lang.String	getValueFromMapsTree(java.lang.String path, java.util.Map<java.lang.String,java.lang.Object> treeValues) Retrieves a value from a tree of several maps by a path given.
static void	printResult(byte[] result, Logger logger) Prints the resulting data in base64 format.

Methods inherited from class java.lang.Object

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

Method Detail

assertStringValue

public static boolean assertStringValue(java.lang.String value)

Asserts whether a value is valid (not null or not empty).

Parameters:

value - string to validate.

Returns:

true if string is valid and false otherwise.

assertArrayValid

public static boolean assertArrayValid(byte[] data)

Asserts whether a array is valid (not null and not empty).

Parameters:

data - array to validate.

Returns:

true if array is valid and false otherwise.

getValueFromMapsTree

public static java.lang.String getValueFromMapsTree(java.lang.String path,
                                                    java.util.Map<java.lang.String,java.lang.Object> treeValues)

Retrieves a value from a tree of several maps by a path given.

Parameters:

path - path of maps tree separated by '/'.

treeValues - collection of maps (type: Map).

Returns:

value of the key requested.

getDataFromInputStream

public static byte[] getDataFromInputStream(java.io.InputStream input)
                                     throws java.io.IOException

Reads and converts a bytes stream to byte array.

Parameters:

input - input stream to convert.

Returns:

byte array with data.

Throws:

java.io.IOException - If the first byte cannot be read for any reason other than the end of the file, if the input stream has been closed, or if some other I/O error occurs.

checkNullValues

public static boolean checkNullValues(java.lang.Object... values)

Checks if a value is null.

Parameters:

values - collection of values to validate.

Returns:

true if any parameter is null and false if all parameters are valid (not null).

printResult

public static void printResult(byte[] result,
                               Logger logger)

Prints the resulting data in base64 format.

Parameters:

result - result bytes.

logger - logger object used for print.