CODEWITHSUNDEEP
stringblackberryjava-melong-integer
FelipeDev.-
FelipeDev.-

Reputation: 3133

String text to long value

Well, thats it! I need to convert a string text (like"Hrd$457"), into a long value. The blackberry IDE has a button that do it, but i need do this by code. Please note that the string is alpha numeric.

THX!

NOTE: Sorry if my question was not really clear. The IDE button that im talkin about converts the entire string in a long value that makes that string a unique number. The BlackBerry documentation says:

"To create a unique long key, in the BlackBerry® Integrated Development Environment, type a string value. com.rim.samples.docs.userinfo Right-click the string and click Convert ‘com.rim.samples.docs.userinfo’ to long."

So, i need to do exactly the same but by code.

I really appreciate your help buddies, and thanks so much for trying to help.

Upvotes: 2

Views: 1874

Answers (4)

y0rk
y0rk

Reputation: 396

Returns the first 8 bytes of a SHA1 digest as a long. The same result can be obtained interactively using the BlackBerry JDE by highlighting a string, right-clicking, and choosing "Convert '' to long" from the context menu. 

long net.rim.device.api.util.StringUtilities.stringHashToLong(String key)

Upvotes: 2

JustinKSU
JustinKSU

Reputation: 4989

If you are just looking for a number constant for a string you can do the following.

String str = "asdfasdf345asdfasdf";
int asInt = str.hashCode();
long asLong = (long) asInt;

Upvotes: 5

Pål Brattberg
Pål Brattberg

Reputation: 4698

Not sure I fully grasp your example, but how's this?

String match = Pattern.compile("\\d+").matcher("Hrd$457").group();
long longValue = Long.parseLong(match).longValue();

Upvotes: 0

JustinKSU
JustinKSU

Reputation: 4989

This is another approach. If there are multiple numbers you can loop through the String using the scanner.

Scanner scanner = new Scanner(str);
scanner.useDelimiter("\\D+");
Long number = scanner.nextLong();

Upvotes: 0

Related Questions