24 lines
782 B
Java
24 lines
782 B
Java
// annotations/PasswordUtils.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.util.*;
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public class PasswordUtils {
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@UseCase(id = 47, description =
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"Passwords must contain at least one numeric")
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public boolean validatePassword(String passwd) {
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return (passwd.matches("\\w*\\d\\w*"));
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}
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@UseCase(id = 48)
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public String encryptPassword(String passwd) {
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return new StringBuilder(passwd).reverse().toString();
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}
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@UseCase(id = 49, description =
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"New passwords can't equal previously used ones")
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public boolean checkForNewPassword(
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List<String> prevPasswords, String passwd) {
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return !prevPasswords.contains(passwd);
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}
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}
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