Package eu.europa.esig.dss.utils

Class Utils

java.lang.Object

eu.europa.esig.dss.utils.Utils

public final class Utils
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static String	EMPTY_STRING

Method Summary

Modifier and Type	Method	Description
static boolean	areAllStringsEmpty(String... values)
static boolean	areStringsEqual(String text1, String text2)
static boolean	areStringsEqualIgnoreCase(String text1, String text2)
static void	cleanDirectory(File directory)
static void	closeQuietly(Closeable closeable)
static int	collectionSize(Collection collection)
static void	copy(InputStream is, OutputStream os)
static boolean	endsWithIgnoreCase(String text, String expected)
static byte[]	fromBase64(String base64)
static byte[]	fromHex(String hex)
static long	getInputStreamSize(InputStream is)
static boolean	isArrayEmpty(byte[] array)
static boolean	isArrayEmpty(Object[] array)
static boolean	isArrayNotEmpty(byte[] array)
static boolean	isArrayNotEmpty(Object[] array)
static boolean	isAtLeastOneStringNotEmpty(String... values)
static boolean	isBase64Encoded(String base64String)
static boolean	isCollectionEmpty(Collection collection)
static boolean	isCollectionNotEmpty(Collection collection)
static boolean	isMapEmpty(Map<?,?> map)
static boolean	isMapNotEmpty(Map<?,?> map)
static boolean	isStringBlank(String text)
static boolean	isStringDigits(String text)
static boolean	isStringEmpty(String text)
static boolean	isStringNotBlank(String text)
static boolean	isStringNotEmpty(String text)
static boolean	isTrue(Boolean bool)
static String	joinStrings(List<String> strings, String separator)
static Collection<File>	listFiles(File folder, String[] extensions, boolean recursive)
static String	lowerCase(String text)
static byte[]	subarray(byte[] array, int start, int length)
static String	substringAfter(String text, String after)
static String	toBase64(byte[] bytes)
static byte[]	toByteArray(InputStream is)
static String	toHex(byte[] bytes)
static String	trim(String text)
static String	upperCase(String text)
static void	write(byte[] content, OutputStream os)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_STRING

public static final String EMPTY_STRING

See Also:

Constant Field Values

Method Detail

isStringEmpty

public static boolean isStringEmpty(String text)

isStringNotEmpty

public static boolean isStringNotEmpty(String text)

areAllStringsEmpty

public static boolean areAllStringsEmpty(String... values)

isAtLeastOneStringNotEmpty

public static boolean isAtLeastOneStringNotEmpty(String... values)

isStringBlank

public static boolean isStringBlank(String text)

isStringNotBlank

public static boolean isStringNotBlank(String text)

areStringsEqual

public static boolean areStringsEqual(String text1,
                                      String text2)

areStringsEqualIgnoreCase

public static boolean areStringsEqualIgnoreCase(String text1,
                                                String text2)

isStringDigits

public static boolean isStringDigits(String text)

trim

public static String trim(String text)

joinStrings

public static String joinStrings(List<String> strings,
                                 String separator)

substringAfter

public static String substringAfter(String text,
                                    String after)

endsWithIgnoreCase

public static boolean endsWithIgnoreCase(String text,
                                         String expected)

lowerCase

public static String lowerCase(String text)

upperCase

public static String upperCase(String text)

isArrayEmpty

public static boolean isArrayEmpty(Object[] array)

isArrayNotEmpty

public static boolean isArrayNotEmpty(Object[] array)

isArrayNotEmpty

public static boolean isArrayNotEmpty(byte[] array)

isArrayEmpty

public static boolean isArrayEmpty(byte[] array)

subarray

public static byte[] subarray(byte[] array,
                              int start,
                              int length)

isTrue

public static boolean isTrue(Boolean bool)

isCollectionEmpty

public static boolean isCollectionEmpty(Collection collection)

isCollectionNotEmpty

public static boolean isCollectionNotEmpty(Collection collection)

isMapEmpty

public static boolean isMapEmpty(Map<?,?> map)

isMapNotEmpty

public static boolean isMapNotEmpty(Map<?,?> map)

collectionSize

public static int collectionSize(Collection collection)

toHex

public static String toHex(byte[] bytes)

fromHex

public static byte[] fromHex(String hex)

isBase64Encoded

public static boolean isBase64Encoded(String base64String)

toBase64

public static String toBase64(byte[] bytes)

fromBase64

public static byte[] fromBase64(String base64)

toByteArray

public static byte[] toByteArray(InputStream is)
                          throws IOException

Throws:

IOException

closeQuietly

public static void closeQuietly(Closeable closeable)

copy

public static void copy(InputStream is,
                        OutputStream os)
                 throws IOException

Throws:

IOException

write

public static void write(byte[] content,
                         OutputStream os)
                  throws IOException

Throws:

IOException

getInputStreamSize

public static long getInputStreamSize(InputStream is)
                               throws IOException

Throws:

IOException

cleanDirectory

public static void cleanDirectory(File directory)
                           throws IOException

Throws:

IOException

listFiles

public static Collection<File> listFiles(File folder,
                                         String[] extensions,
                                         boolean recursive)