✨ Add hashes

src/main/java/dev/dinauer/maven/maven/core/MavenService.java

@@ -23,6 +23,8 @@ import jakarta.ws.rs.BadRequestException;
 import jakarta.ws.rs.core.MediaType;
 import jakarta.ws.rs.core.Response;
 import org.apache.commons.lang3.NotImplementedException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import java.util.List;
 import java.util.Objects;
@@ -30,6 +32,8 @@ import java.util.Objects;
 @ApplicationScoped
 public class MavenService
 {
+    private static final Logger LOG = LoggerFactory.getLogger(MavenService.class);
+
     @Inject
     ReleaseService releaseService;
 
@@ -55,12 +59,12 @@ public class MavenService
             }
             if (Objects.equals(FileExt.XML, context.extensions().ext()))
             {
-                throw new NotImplementedException(); // Hand over to XML metadata service
+                LOG.debug("Ignoring metadata upload for {}. Metadata files are generated by the registry.", path);
             }
         }
         if (context.getClass() == ArtifactContext.class)
         {
-            throw new NotImplementedException(); // Hand over to XML Snapshot artifact metadata service
+            LOG.debug("Ignoring metadata upload for {}. Metadata files are generated by the registry.", path);
         }
     }
 
@@ -70,6 +74,8 @@ public class MavenService
         if (context.getClass() == VersionContext.class)
         {
             VersionContext versionContext = (VersionContext) context;
+            if (List.of(FileExt.JAR, FileExt.POM).contains(context.extensions().ext()))
+            {
                 if (versionContext.isSnapshot())
                 {
                     return snapshotService.serve(toSnapshotContext(versionContext));
@@ -79,6 +85,15 @@ public class MavenService
                     return releaseService.serve(toReleaseContext(versionContext));
                 }
             }
+            if (Objects.equals(FileExt.XML, context.extensions().ext()))
+            {
+                return Response.status(204).build();
+            }
+        }
+        if (context.getClass() == ArtifactContext.class)
+        {
+            return Response.status(204).build();
+        }
         throw new BadRequestException();
     }
 

src/main/java/dev/dinauer/maven/maven/core/release/ReleaseService.java

@@ -46,13 +46,27 @@ public class ReleaseService
         switch (releaseContext.extensions().ext())
         {
             case JAR ->
+            {
+                if (releaseContext.extensions().hashExt().isEmpty())
                 {
                     return Response.status(200).type(MediaType.APPLICATION_OCTET_STREAM).entity(releaseJarService.find(releaseContext)).build();
                 }
+                else
+                {
+                    return Response.status(200).type(MediaType.TEXT_PLAIN).entity(releaseJarService.findHash(releaseContext)).build();
+                }
+            }
             case POM ->
+            {
+                if (releaseContext.extensions().hashExt().isEmpty())
                 {
                     return Response.status(200).type(MediaType.APPLICATION_XML).entity(releasePomService.find(releaseContext)).build();
                 }
+                else
+                {
+                    return Response.status(200).type(MediaType.TEXT_PLAIN).entity(releasePomService.findHash(releaseContext)).build();
+                }
+            }
         }
         throw new BadRequestException();
     }

src/main/java/dev/dinauer/maven/maven/core/snapshot/SnapshotService.java

@@ -39,13 +39,27 @@ public class SnapshotService
         switch (snapshotContext.extensions().ext())
         {
             case JAR ->
+            {
+                if (snapshotContext.extensions().hashExt().isEmpty())
                 {
                     return Response.status(200).type(MediaType.APPLICATION_OCTET_STREAM).entity(snapshotJarService.find(snapshotContext)).build();
                 }
+                else
+                {
+                    return Response.status(200).type(MediaType.TEXT_PLAIN).entity(snapshotJarService.findHash(snapshotContext)).build();
+                }
+            }
             case POM ->
+            {
+                if (snapshotContext.extensions().hashExt().isEmpty())
                 {
                     return Response.status(200).type(MediaType.APPLICATION_XML).entity(snapshotPomService.find(snapshotContext)).build();
                 }
+                else
+                {
+                    return Response.status(200).type(MediaType.TEXT_PLAIN).entity(snapshotPomService.findHash(snapshotContext)).build();
+                }
+            }
         }
         throw new BadRequestException();
     }

src/test/java/dev/dinauer/maven/maven/core/ResourceTest.java

@@ -8,6 +8,7 @@ import org.flywaydb.core.Flyway;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.platform.commons.util.StringUtils;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -39,6 +40,12 @@ public class ResourceTest
         String pom = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9-SNAPSHOT/postgresql-42.7.9-20250419.123456-1.pom").body().asString();
         byte[] jar = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9-SNAPSHOT/postgresql-42.7.9-20250419.123456-1.jar").body().asByteArray();
 
+        String jarMd5 = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9-SNAPSHOT/postgresql-42.7.9-20250419.123456-1.jar.md5").body().asString();
+        String pomMd5 = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9-SNAPSHOT/postgresql-42.7.9-20250419.123456-1.pom.md5").body().asString();
+
+        Assertions.assertFalse(StringUtils.isBlank(jarMd5));
+        Assertions.assertFalse(StringUtils.isBlank(pomMd5));
+
         Assertions.assertArrayEquals(uploadJar, jar);
         Assertions.assertEquals(uploadPom, pom);
     }
@@ -56,6 +63,12 @@ public class ResourceTest
         String pom = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9/postgresql-42.7.9.pom").body().asString();
         byte[] jar = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9/postgresql-42.7.9.jar").body().asByteArray();
 
+        String jarMd5 = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9/postgresql-42.7.9.jar.md5").body().asString();
+        String pomMd5 = RestAssured.given().get("/maven2/org/postgresql/postgresql/42.7.9/postgresql-42.7.9.pom.md5").body().asString();
+
+        Assertions.assertFalse(StringUtils.isBlank(jarMd5));
+        Assertions.assertFalse(StringUtils.isBlank(pomMd5));
+
         Assertions.assertArrayEquals(uploadJar, jar);
         Assertions.assertEquals(uploadPom, pom);
     }