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Code Issues Releases Wiki Activity

Remove duplicate code in StringUtils

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This commit is contained in:
Florian Schmaus 2017-11-16 18:02:02 +01:00
parent 73dd46af21
commit 2341bb4e23
1 changed files with 6 additions and 12 deletions
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18
smack-core/src/main/java/org/jivesoftware/smack/util/StringUtils.java
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@ -301,17 +301,7 @@ public class StringUtils {
* @return a random String of numbers and letters of the specified length.
*/
public static String insecureRandomString(int length) {
if (length < 1) {
return null;
}
final Random random = randGen.get();
// Create a char buffer to put random letters and numbers in.
char[] randBuffer = new char[length];
for (int i = 0; i < randBuffer.length; i++) {
randBuffer[i] = numbersAndLetters[random.nextInt(numbersAndLetters.length)];
}
return new String(randBuffer);
return randomString(length, randGen.get());
}
private static final ThreadLocal<SecureRandom> SECURE_RANDOM = new ThreadLocal<SecureRandom>() {
@ -322,12 +312,16 @@ public class StringUtils {
};
public static String randomString(final int length) {
return randomString(length, SECURE_RANDOM.get());
}
private static String randomString(final int length, Random random) {
if (length < 1) {
return null;
}
byte[] randomBytes = new byte[length];
SECURE_RANDOM.get().nextBytes(randomBytes);
random.nextBytes(randomBytes);
char[] randomChars = new char[length];
for (int i = 0; i < length; i++) {
randomChars[i] = getPrintableChar(randomBytes[i]);