Please see the code below. I am trying to
encrypt the Strings and then letting them pass. I am unable to get the around thing
working. This is what I am using.
Main class:
public class Details {
public void checkUsernamePassword(String
username, String password) {
System.out.println("Username
Encrypted : " + username);
System.out.println("Password
Encrypted : " + password);
}
public static void main(String[] args) {
String
username = "lipika";
String
password = "lipika";
System.out.println("Username
: " + username);
System.out.println("Password
: " + password);
Details
details = new Details();
details.checkUsernamePassword(username,
password);
}
}
Aspect Class:
public aspect DetailsAspect {
public final static String DES =
"DES";
public final static String UTF8 =
"UTF8";
public static final String PBE_WITH_MD5_AND_DES
= "PBEWithMD5AndDES";
private static byte[] salt = { (byte) 0xA9,
(byte) 0x9B, (byte) 0xC8,
(byte) 0x32,
(byte) 0x56, (byte) 0x35, (byte) 0xE3, (byte) 0x03 };
private static final int INTERACTION = 19;
public static String encrypt(String plain)
throws Exception {
…
}
public static String decrypt(String secret)
throws Exception {
…
}
before (Details d, String username, String
password) : target(d)
&& args(username, password)
&& call(public void
checkUsernamePassword(String, String)) {
try {
String
usernameEncrypted = encrypt(username);
String
passwordEncrypted = encrypt(password);
username
= usernameEncrypted;
password
= passwordEncrypted;
} catch
(Exception e) {
}
System.out.println("Encrypted
username: " + username);
System.out.println("Encrypted
password: " + password);
}
}
From: aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx] On
Behalf Of Wes Isberg
Sent: Monday, January 09, 2006
10:22 AM
To: aspectj-users@xxxxxxxxxxx
Subject: Re: [aspectj-users]
Sending back the changed values
See the Programming Guide, Semantics
appendix, section on (around) advice:
Look for the example with
"proceed(i*2)"
------------Original Message------------
From: "Sunny Saxena"
<Sunny_Saxena@xxxxxxxxxxx>
To: aspectj-users@xxxxxxxxxxx
Date: Sun, Jan-8-2006 8:26 PM
Subject: [aspectj-users] Sending back the
changed values
I am intercepting just before a function
call. I am changing the parameter values that are being passed to the function
using an aspect. I want that when the aspect finishes its job, the changed
values should be passed on to the original java class, which can then be
further used in the main program.
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