Added spec tests, README.

rest/build.gradle

@@ -1,6 +1,8 @@
 apply plugin: "war"
 apply plugin: "jetty"
 
+archivesBaseName = "spring-data-rest"
+
 dependencies {
 
   // APIS

rest/src/main/java/org/springframework/data/rest/mvc/RepositoryRestConfiguration.java

@@ -9,6 +9,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportResource;
+import org.springframework.core.convert.ConversionService;
+import org.springframework.core.convert.support.DefaultConversionService;
 import org.springframework.data.rest.repository.JpaRepositoryMetadata;
 import org.springframework.http.MediaType;
 import org.springframework.http.converter.HttpMessageConverter;
@@ -27,6 +29,8 @@ public class RepositoryRestConfiguration {
   @Autowired(required = false)
   JpaRepositoryMetadata jpaRepositoryMetadata;
   @Autowired(required = false)
+  ConversionService conversionService;
+  @Autowired(required = false)
   List<HttpMessageConverter<?>> httpMessageConverters = new ArrayList<HttpMessageConverter<?>>();
 
   @Bean URI baseUri() {
@@ -36,6 +40,13 @@ public class RepositoryRestConfiguration {
     return baseUri;
   }
 
+  @Bean ConversionService conversionService() {
+    if (null == conversionService) {
+      conversionService = new DefaultConversionService();
+    }
+    return conversionService;
+  }
+
   @Bean List<HttpMessageConverter<?>> httpMessageConverters() {
     if (httpMessageConverters.isEmpty()) {
       MappingJacksonHttpMessageConverter json = new MappingJacksonHttpMessageConverter();

rest/src/main/java/org/springframework/data/rest/mvc/RepositoryRestController.java

@@ -342,7 +342,7 @@ public class RepositoryRestController implements InitializingBean {
                       model.addAttribute(RESOURCE, child);
                     }
                   }
-                } else if (uriCnt == 4) {
+                } else {
                   final String childId = UriUtils.path(uris.get(3));
                   Class<? extends Serializable> childIdType = childEntityInfo.getIdType();
                   final Serializable childSerId;

rest/src/main/java/org/springframework/data/rest/mvc/RepositoryRestMvcConfiguration.java

@@ -48,6 +48,7 @@ public class RepositoryRestMvcConfiguration {
       this.repositoryRestController = new RepositoryRestController()
           .baseUri(repositoryRestConfiguration.baseUri())
           .repositoryMetadata(repositoryRestConfiguration.jpaRepositoryMetadata())
+          .conversionService(repositoryRestConfiguration.conversionService())
           .httpMessageConverters(repositoryRestConfiguration.httpMessageConverters())
           .jsonMediaType("application/json");
     }