Metadata for .json files is stored in .json.json

file-repository-core/src/main/java/org/genesys/filerepository/model/RepositoryFile.java

@@ -245,7 +245,11 @@ public class RepositoryFile extends AuditedVersionedModelWithoutId implements Ac
 			return null;
 		}
 
-		return new StringBuffer().append(uuid.toString()).append(".json").toString();
+		StringBuffer sb = new StringBuffer().append(uuid.toString());
+		if (StringUtils.equals(".json", extension)) {
+			sb.append(extension);
+		}
+		return sb.append(".json").toString();
 	}
 
 	/**

file-repository-core/src/test/java/org/genesys/filerepository/service/MetadataTest.java

@@ -26,6 +26,7 @@ import java.nio.file.Paths;
 import org.genesys.filerepository.InvalidRepositoryFileDataException;
 import org.genesys.filerepository.InvalidRepositoryPathException;
 import org.genesys.filerepository.NoSuchRepositoryFileException;
+import org.genesys.filerepository.model.RepositoryFile;
 import org.genesys.filerepository.model.RepositoryImage;
 import org.junit.After;
 import org.junit.Test;
@@ -109,4 +110,37 @@ public class MetadataTest extends RepositoryServiceTest {
 		metadata = bytesStorageService.get(repoImage1.storageFolder().resolve(repoImage1.getMetadataFilename()));
 		assertThat(metadata, is(nullValue()));
 	}
+	
+
+	/**
+	 * Test handling of metadata .json and assure it doesn't overwrite actual file contents.
+	 *
+	 * @throws InvalidRepositoryPathException the invalid repository path exception
+	 * @throws InvalidRepositoryFileDataException the invalid repository file data
+	 * exception
+	 * @throws IOException Signals that an I/O exception has occurred.
+	 * @throws NoSuchRepositoryFileException the no such repository file exception
+	 */
+	@Test
+	public void createMetadataForJson() throws InvalidRepositoryPathException, InvalidRepositoryFileDataException, IOException, NoSuchRepositoryFileException {
+		final String json = "{}";
+		RepositoryFile repoJson = repositoryService.addFile(initialPath, "file.json", "application/json", json.getBytes(), null);
+		assertThat(repoJson.getUuid(), not(nullValue()));
+		assertThat(repoJson.getMetadataFilename(), endsWith(".json.json"));
+
+		byte[] contents = bytesStorageService.get(repoJson.storagePath());
+		assertThat(contents, not(nullValue()));
+		assertThat("JSON contents is messed up", new String(contents), equalTo(json));
+		
+		byte[] metadata = bytesStorageService.get(repoJson.storageFolder().resolve(repoJson.getMetadataFilename()));
+		assertThat("Metadata .json not found", metadata, not(nullValue()));
+
+		metadata = bytesStorageService.get(repoJson.storageFolder().resolve(repoJson.getMetadataFilename()));
+		RepositoryFile meta = objectMapper.readValue(metadata, RepositoryFile.class);
+		assertThat("Metadata does not contain valid JSON metadata", meta.getOriginalFilename(), is(repoJson.getOriginalFilename()));
+
+		repositoryService.removeFile(repoJson);
+		metadata = bytesStorageService.get(repoJson.storageFolder().resolve(repoJson.getMetadataFilename()));
+		assertThat(metadata, is(nullValue()));
+	}
 }