BAEL-1489: Applying Baeldung code styles and cleaning up

spring-5-security/src/main/java/com/baeldung/passwordstorage/BaeldungPasswordEncoderSetup.java

@@ -0,0 +1,33 @@
+package com.baeldung.passwordstorage;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.DelegatingPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.security.crypto.scrypt.SCryptPasswordEncoder;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Configuration
+public class BaeldungPasswordEncoderSetup {
+
+    @Bean
+    public PasswordEncoder passwordEncoder() {
+        // set up the list of supported encoders and their prefixes
+        String encodingId = "rot13";
+        Map<String, PasswordEncoder> encoders = new HashMap<>();
+        encoders.put(encodingId, new Rot13PasswordEncoder());
+        encoders.put("scrypt", new SCryptPasswordEncoder());
+        encoders.put("bcrypt", new BCryptPasswordEncoder());
+
+        // get an instance of the DelegatingPasswordEncoder, set up to use our instance as default encoder
+        DelegatingPasswordEncoder delegatingPasswordEncoder = new DelegatingPasswordEncoder(encodingId, encoders);
+
+        // configure our instance as default encoder for actual matching
+        delegatingPasswordEncoder.setDefaultPasswordEncoderForMatches(encoders.get(encodingId));
+
+        return delegatingPasswordEncoder;
+    }
+}

spring-5-security/src/main/java/com/baeldung/passwordstorage/Rot13PasswordEncoder.java

@@ -12,7 +12,9 @@ public class Rot13PasswordEncoder implements PasswordEncoder {
     @Override
     public String encode(CharSequence rawPassword) {
         StringBuffer result = new StringBuffer(rawPassword.length());
-		rawPassword.chars().forEach(charCode -> {
+        rawPassword
+          .chars()
+          .forEach(charCode -> {
               if (charCode >= 65 && charCode <= 77 || charCode >= 97 && charCode <= 109) {
                   result.append(Character.toChars(charCode + 13));
               } else if (charCode >= 78 && charCode <= 90 || charCode >= 110 && charCode <= 133) {