Nemcio/SCM-Manager
1
0
Fork 0
mirror of https://github.com/scm-manager/scm-manager.git synced 2025-11-12 08:25:44 +01:00
Code Issues Packages Projects Releases Activity

Use optionals for get by name and namespace

Browse Source
This commit is contained in:
René Pfeuffer
2018-07-11 13:42:09 +02:00
parent de3848b662
commit 617b98c6f3
5 changed files with 31 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
scm-webapp/src/main/java/sonia/scm/api/v2/resources/IdResourceManagerAdapter.java
View File

@@ -7,6 +7,7 @@ import sonia.scm.PageResult;
import javax.ws.rs.core.Response;
import java.io.IOException;
import java.util.Optional;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.function.Supplier;
@@ -55,8 +56,8 @@ class IdResourceManagerAdapter<MODEL_OBJECT extends ModelObject,
return singleAdapter.delete(id);
}
private Supplier<MODEL_OBJECT> loadBy(String id) {
return () -> manager.get(id);
private Supplier<Optional<MODEL_OBJECT>> loadBy(String id) {
return () -> Optional.ofNullable(manager.get(id));
}
private Predicate<MODEL_OBJECT> idStaysTheSame(String id) {

3
scm-webapp/src/main/java/sonia/scm/api/v2/resources/RepositoryResource.java
View File

@@ -18,6 +18,7 @@ import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;
import java.util.Optional;
import java.util.function.Predicate;
import java.util.function.Supplier;
@@ -153,7 +154,7 @@ public class RepositoryResource {
return permissionRootResource.get();
}
private Supplier<Repository> loadBy(String namespace, String name) {
private Supplier<Optional<Repository>> loadBy(String namespace, String name) {
return () -> manager.getByNamespace(namespace, name);
}

32
scm-webapp/src/main/java/sonia/scm/api/v2/resources/SingleResourceManagerAdapter.java
View File

@@ -8,6 +8,7 @@ import sonia.scm.api.rest.resources.AbstractManagerResource;
import javax.ws.rs.core.GenericEntity;
import javax.ws.rs.core.Response;
import java.util.Collection;
import java.util.Optional;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.function.Supplier;
@@ -38,34 +39,35 @@ class SingleResourceManagerAdapter<MODEL_OBJECT extends ModelObject,
* Reads the model object for the given id, transforms it to a dto and returns a corresponding http response.
* This handles all corner cases, eg. no matching object for the id or missing privileges.
*/
Response get(Supplier<MODEL_OBJECT> reader, Function<MODEL_OBJECT, DTO> mapToDto) {
MODEL_OBJECT modelObject = reader.get();
if (modelObject == null) {
return Response.status(Response.Status.NOT_FOUND).build();
}
DTO dto = mapToDto.apply(modelObject);
return Response.ok(dto).build();
Response get(Supplier<Optional<MODEL_OBJECT>> reader, Function<MODEL_OBJECT, DTO> mapToDto) {
return reader.get()
.map(mapToDto)
.map(Response::ok)
.map(Response.ResponseBuilder::build)
.orElse(Response.status(Response.Status.NOT_FOUND).build());
}
/**
* Update the model object for the given id according to the given function and returns a corresponding http response.
* This handles all corner cases, eg. no matching object for the id or missing privileges.
*/
public Response update(Supplier<MODEL_OBJECT> reader, Function<MODEL_OBJECT, MODEL_OBJECT> applyChanges, Predicate<MODEL_OBJECT> hasSameKey) {
MODEL_OBJECT existingModelObject = reader.get();
if (existingModelObject == null) {
public Response update(Supplier<Optional<MODEL_OBJECT>> reader, Function<MODEL_OBJECT, MODEL_OBJECT> applyChanges, Predicate<MODEL_OBJECT> hasSameKey) {
Optional<MODEL_OBJECT> existingModelObject = reader.get();
if (!existingModelObject.isPresent()) {
return Response.status(Response.Status.NOT_FOUND).build();
}
MODEL_OBJECT changedModelObject = applyChanges.apply(existingModelObject);
MODEL_OBJECT changedModelObject = applyChanges.apply(existingModelObject.get());
if (!hasSameKey.test(changedModelObject)) {
return Response.status(BAD_REQUEST).entity("illegal change of id").build();
}
return update(getId(existingModelObject), changedModelObject);
return update(getId(existingModelObject.get()), changedModelObject);
}
public Response delete(Supplier<MODEL_OBJECT> reader) {
MODEL_OBJECT existingModelObject = reader.get();
return delete(existingModelObject.getId());
public Response delete(Supplier<Optional<MODEL_OBJECT>> reader) {
return reader.get()
.map(MODEL_OBJECT::getId)
.map(this::delete)
.orElse(null);
}
@Override