add missing nullable and nonnull annotations

Author: Ndiritu

src/main/java/com/microsoft/graph/core/models/DecryptableContent.java

@@ -19,6 +19,7 @@
 import com.microsoft.kiota.serialization.ParseNodeFactoryRegistry;
 
 import jakarta.annotation.Nonnull;
+import jakarta.annotation.Nullable;
 
 /**
  * DecryptableContent interface
@@ -29,53 +30,53 @@ public interface DecryptableContent {
      * Sets the data
      * @param data resource data
      */
-    public void setData(String data);
+    public void setData(@Nullable final String data);
     /**
      * Gets the data
      * @return the data
      */
-    public String getData();
+    public @Nullable String getData();
     /**
      * Sets the data key
      * @param dataKey asymmetric key used to sign data
      */
-    public void setDataKey(String dataKey);
+    public void setDataKey(@Nullable final String dataKey);
     /**
      * Gets the data key
      * @return the data key
      */
-    public String getDataKey();
+    public @Nullable String getDataKey();
 
     /**
      * Sets the data signature
      * @param signature signature of the data
      */
-    public void setDataSignature(String signature);
+    public void setDataSignature(@Nullable final String signature);
     /**
      * Gets the data signature
      * @return data signature
      */
-    public String getDataSignature();
+    public @Nullable String getDataSignature();
     /**
      * Sets the encryption certificate id
      * @param encryptionCertificateId certificate Id used when subscribing
      */
-    public void setEncryptionCertificateId(String encryptionCertificateId);
+    public void setEncryptionCertificateId(@Nullable final String encryptionCertificateId);
     /**
      * Gets the encryption certificate id
      * @return the encryption certificate id
      */
-    public String getEncryptionCertificateId();
+    public @Nullable String getEncryptionCertificateId();
     /**
      * Sets the encryption certificate thumbprint
      * @param encryptionCertificateThumbprint certificate thumbprint
      */
-    public void setEncryptionCertificateThumbprint(String encryptionCertificateThumbprint);
+    public void setEncryptionCertificateThumbprint(@Nullable final String encryptionCertificateThumbprint);
     /**
      * Gets the encryption certificate thumbprint
      * @return the encryption certificate thumbprint
      */
-    public String getEncryptionCertificateThumbprint();
+    public @Nullable String getEncryptionCertificateThumbprint();
 
     /**
      * Validates the signature of the resource data, decrypts resource data and deserializes the data to a Parsable
@@ -88,7 +89,7 @@ public interface DecryptableContent {
      * @return decrypted resource data
      * @throws Exception if an error occurs while decrypting the data
      */
-    public static <T extends Parsable> T decrypt(@Nonnull final DecryptableContent decryptableContent, @Nonnull final CertificateKeyProvider certificateKeyProvider, @Nonnull final ParsableFactory<T> factory) throws Exception {
+    public static @Nonnull <T extends Parsable> T decrypt(@Nonnull final DecryptableContent decryptableContent, @Nonnull final CertificateKeyProvider certificateKeyProvider, @Nonnull final ParsableFactory<T> factory) throws Exception {
         Objects.requireNonNull(certificateKeyProvider);
         final String decryptedContent = decryptAsString(decryptableContent, certificateKeyProvider);
         final ParseNode rootParseNode = ParseNodeFactoryRegistry.defaultInstance.getParseNode(
@@ -105,7 +106,7 @@ public static <T extends Parsable> T decrypt(@Nonnull final DecryptableContent d
      * @return decrypted resource data
      * @throws Exception if an error occurs while decrypting the data
      */
-    public static String decryptAsString(@Nonnull final DecryptableContent content, @Nonnull final CertificateKeyProvider certificateKeyProvider) throws Exception {
+    public static @Nonnull String decryptAsString(@Nonnull final DecryptableContent content, @Nonnull final CertificateKeyProvider certificateKeyProvider) throws Exception {
         Objects.requireNonNull(certificateKeyProvider);
         final Key privateKey = certificateKeyProvider.getCertificateKey(content.getEncryptionCertificateId(), content.getEncryptionCertificateThumbprint());
         final Cipher cipher = Cipher.getInstance("RSA/None/OAEPWithSHA1AndMGF1Padding");
@@ -130,7 +131,7 @@ public static String decryptAsString(@Nonnull final DecryptableContent content,
      * @return decrypted resource data
      * @throws Exception if an error occurs while decrypting the data
      */
-    public static byte[] aesDecrypt(byte[] data, byte[] key) throws Exception {
+    public static @Nonnull byte[] aesDecrypt(@Nonnull final byte[] data, @Nonnull final byte[] key) throws Exception {
         try {
             @SuppressWarnings("java:S3329")
             // Sonar warns that a random IV should be used for encryption
@@ -160,6 +161,6 @@ public interface CertificateKeyProvider {
          * @param certificateThumbprint certificate thumbprint
          * @return Private key used to sign the certificate
          */
-        public Key getCertificateKey(String certificateId, String certificateThumbprint);
+        public @Nonnull Key getCertificateKey(@Nullable final String certificateId, @Nullable final String certificateThumbprint);
     }
 }

src/main/java/com/microsoft/graph/core/models/DiscoverUrlAdapter.java

@@ -16,6 +16,7 @@
 import io.jsonwebtoken.JwsHeader;
 import io.jsonwebtoken.LocatorAdapter;
 import jakarta.annotation.Nonnull;
+import jakarta.annotation.Nullable;
 
 /**
  * DiscoverUrlAdapter class
@@ -40,7 +41,7 @@ public DiscoverUrlAdapter(@Nonnull final String keyDiscoveryUrl)
     }
 
     @Override
-    protected Key locate(JwsHeader header) {
+    protected @Nullable Key locate(@Nonnull JwsHeader header) {
         Objects.requireNonNull(header);
         try {
             String keyId = header.getKeyId();
@@ -52,7 +53,7 @@ protected Key locate(JwsHeader header) {
     }
 
     @Override
-    protected Key locate(JweHeader header) {
+    protected @Nullable Key locate(@Nonnull JweHeader header) {
         return null;
     }
 

src/main/java/com/microsoft/graph/core/models/EncryptableSubscription.java

@@ -6,6 +6,7 @@
 import java.util.Objects;
 
 import jakarta.annotation.Nonnull;
+import jakarta.annotation.Nullable;
 
 /**
  * EncryptableSubscription interface
@@ -16,13 +17,13 @@ public interface EncryptableSubscription {
      * Sets the encryption certificate
      * @param certificate Base-64 encoded certificate to be used by Microsoft Graph to encrypt resource data
      */
-    public void setEncryptionCertificate(String certificate);
+    public void setEncryptionCertificate(@Nullable final String certificate);
 
     /**
      * Returns the encryption certificate
      * @return encryption certificate
      */
-    public String getEncryptionCertificate();
+    public @Nullable String getEncryptionCertificate();
 
     /**
      * Converts an X.509 Certificate object to Base-64 string and adds to the encryptableSubscription provided

src/main/java/com/microsoft/graph/core/models/TokenValidable.java

@@ -7,6 +7,7 @@
 import java.util.UUID;
 
 import jakarta.annotation.Nonnull;
+import jakarta.annotation.Nullable;
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.Jws;
 import io.jsonwebtoken.Jwts;
@@ -26,25 +27,25 @@ public interface TokenValidable<U extends DecryptableContent, T extends Encrypte
      * Sets collection of validation tokens
      * @param validationTokens tokens
      */
-    public void setValidationTokens(List<String> validationTokens);
+    public void setValidationTokens(@Nullable final List<String> validationTokens);
 
     /**
      * Returns validation tokens
      * @return list of tokens
      */
-    public List<String> getValidationTokens();
+    public @Nullable List<String> getValidationTokens();
 
     /**
      * Sets collection of encrypted token bearers
      * @param value collection of encrypted token bearers
      */
-    public void setValue(List<T> value);
+    public void setValue(@Nullable final List<T> value);
 
     /**
      * Get collection of encrypted token bearers
      * @return encrypted token bearers
      */
-    public List<T> getValue();
+    public @Nullable List<T> getValue();
 
     /**
      * Validates the tokens