Prepare for 2.0 (#179)

* IS-178 Code cleanup
* IS-178 Release notes

README.md

@@ -12,6 +12,8 @@ The Swedish eIDAS Connector is a [Spring Boot](https://spring.io/projects/spring
 
 Go to <https://docs.swedenconnect.se/eidas-connector> for a set of resources for configuration, deployment and maintenance of the service.
 
+Also, see the [Release Notes](https://docs.swedenconnect.se/eidas-connector/release-notes.html).
+
 ---
 
 Copyright &copy; 2017-2025, [Myndigheten för digital förvaltning - Swedish Agency for Digital Government (DIGG)](http://www.digg.se). Licensed under version 2.0 of the [Apache License](http://www.apache.org/licenses/LICENSE-2.0).

attribute-handling/src/main/java/se/swedenconnect/eidas/attributes/DefaultAttributeMappingService.java

@@ -253,7 +253,7 @@ public List<UserAttribute> toSwedishUserAttributes(final Collection<UserAttribut
           townOfBirth = Optional.ofNullable(this.toSwedishUserAttribute(eidasAttribute))
               .map(UserAttribute::getStringValues)
               .filter(v -> !v.isEmpty())
-              .map(v -> v.get(0))
+              .map(List::getFirst)
               .orElse(null);
         }
         else {
@@ -267,7 +267,7 @@ else if (se.swedenconnect.opensaml.eidas.ext.attributes.AttributeConstants.EIDAS
           countryOfBirth = Optional.ofNullable(this.toSwedishUserAttribute(eidasAttribute))
               .map(UserAttribute::getStringValues)
               .filter(v -> !v.isEmpty())
-              .map(v -> v.get(0))
+              .map(List::getFirst)
               .orElse(null);
         }
         else {

attribute-handling/src/main/java/se/swedenconnect/eidas/attributes/conversion/CurrentAddressAttributeConverter.java

@@ -119,7 +119,7 @@ protected XMLObject toSwedishEidAttributeValue(final List<XMLObject> values) {
     if (values.isEmpty()) {
       return null;
     }
-    if (!(values.get(0) instanceof final CurrentAddressType currentAddress)) {
+    if (!(values.getFirst() instanceof final CurrentAddressType currentAddress)) {
       return null;
     }
 

attribute-handling/src/main/java/se/swedenconnect/eidas/attributes/conversion/DefaultAttributeConverter.java

@@ -229,9 +229,9 @@ protected XMLObject toSwedishEidAttributeValue(final List<XMLObject> values) {
         .filter(TransliterationStringType.class::isInstance)
         .filter(v -> ((TransliterationStringType) v).getLatinScript())
         .findFirst()
-        .orElseGet(() -> values.get(0));
+        .orElseGet(values::getFirst);
 
-    final XMLObject eidasValue = values.size() == 1 ? values.get(0) : singleFunc.apply(values);
+    final XMLObject eidasValue = values.size() == 1 ? values.getFirst() : singleFunc.apply(values);
     if (eidasValue instanceof EidasAttributeValueType) {
       final String value = ((EidasAttributeValueType) eidasValue).toStringValue();
       final XSString stringValue = AttributeBuilder.createValueObject(XSString.TYPE_NAME, XSString.class);
@@ -257,19 +257,19 @@ else if (eidasValue instanceof XSString) {
    */
   protected String toSwedishEidAttributeValue(final UserAttribute eidasAttribute) {
     final List<? extends Serializable> values = eidasAttribute.getValues();
-    if (values.get(0) instanceof TransliterationString) {
+    if (values.getFirst() instanceof TransliterationString) {
       final XMLObject attributeValue = this.toSwedishEidAttributeValue(values.stream()
           .map(TransliterationString.class::cast)
           .map(TransliterationString::createXmlObject)
           .map(XMLObject.class::cast)
           .toList());
       return ((XSString) attributeValue).getValue();
     }
-    else if (values.get(0) instanceof EidasAttributeValue) {
-      return ((EidasAttributeValue<?>) values.get(0)).getValueAsString();
+    else if (values.getFirst() instanceof EidasAttributeValue) {
+      return ((EidasAttributeValue<?>) values.getFirst()).getValueAsString();
     }
     else {
-      return values.get(0).toString();
+      return values.getFirst().toString();
     }
   }
 

attribute-handling/src/main/java/se/swedenconnect/eidas/attributes/conversion/GenderAttributeConverter.java

@@ -90,10 +90,10 @@ protected XMLObject toSwedishEidAttributeValue(final List<XMLObject> values) {
     if (values.isEmpty()) {
       return null;
     }
-    if (!(values.get(0) instanceof final GenderType genderValue)) {
+    if (!(values.getFirst() instanceof final GenderType genderValue)) {
       return null;
     }
-    String value;
+    final String value;
     if (genderValue.getGender().equals(GenderTypeEnumeration.MALE)) {
       value = "M";
     }
@@ -114,7 +114,7 @@ protected String toSwedishEidAttributeValue(final UserAttribute eidasAttribute)
     if (eidasAttribute.getValues().isEmpty()) {
       return null;
     }
-    final String gender = ((Gender) eidasAttribute.getValues().get(0)).getValueAsString();
+    final String gender = ((Gender) eidasAttribute.getValues().getFirst()).getValueAsString();
     if (GenderTypeEnumeration.MALE.getValue().equalsIgnoreCase(gender)) {
       return "M";
     }

docs/index.md

@@ -10,6 +10,8 @@ The Swedish eIDAS Connector is an Open Source component, and is being used as an
 
 The Swedish eIDAS Connector is a [Spring Boot](https://spring.io/projects/spring-boot) application built on top of the [Spring Security SAML Identity Provider](https://github.com/swedenconnect/saml-identity-provider) library. It acts as a SAML Identity Provider in the [Sweden Connect](https://www.swedenconnect.se) federation, and as a SAML Service Provider against the eIDAS federation.
 
+- [Release Notes](https://docs.swedenconnect.se/eidas-connector/release-notes.html)
+
 The following resources are available for information about configuration, deployment and maintenance of the service:
 
 - [Building and Deploying the eIDAS Connector](https://docs.swedenconnect.se/eidas-connector/installation.html) - How to build and deploy the service.