@Override
public <TInput, TOutput> CommandResult<TOutput> execute(
ServiceLocator locator,
Serialization<TInput> input,
Serialization<TOutput> output,
TInput data,
Principal principal) {
Argument arg;
try {
arg = input.deserialize(data, Argument.class);
} catch (IOException e) {
return CommandResult.badRequest(e.getMessage());
}
Optional<Class<?>> manifest = domainModel.find(arg.Name);
if (!manifest.isPresent()) {
return CommandResult.badRequest("Unable to find specified domain object: " + arg.Name);
}
if (!Identifiable.class.isAssignableFrom(manifest.get())) {
return CommandResult.badRequest("Specified type is not an identifiable: " + arg.Name);
}
if (!permissions.canAccess(manifest.get(), principal)) {
return CommandResult.forbidden(arg.Name);
}
Repository repository;
try {
repository = locator.resolve(Repository.class, manifest.get());
} catch (ReflectiveOperationException e) {
return CommandResult.badRequest(
"Error resolving repository for: " + arg.Name + ". Reason: " + e.getMessage());
}
Optional<Object> found = repository.find(arg.Uri);
if (!found.isPresent()) {
return new CommandResult<>(null, "Object not found", 404);
}
try {
return CommandResult.success("Object found", output.serialize(found.get()));
} catch (IOException e) {
return new CommandResult<>(null, "Error serializing result.", 500);
}
}
@SuppressWarnings("unchecked")
@Override
public <TInput, TOutput> CommandResult<TOutput> execute(
ServiceLocator locator,
Serialization<TInput> input,
Serialization<TOutput> output,
TInput data,
Principal principal) {
Argument<TInput> arg;
try {
arg = input.deserialize(data, Argument.class, data.getClass());
} catch (IOException e) {
return CommandResult.badRequest(e.getMessage());
}
Optional<Class<?>> manifest = domainModel.find(arg.ReportName);
if (!manifest.isPresent()) {
return CommandResult.badRequest("Couldn't find report type: " + arg.ReportName);
}
if (!permissions.canAccess(manifest.get(), principal)) {
return CommandResult.forbidden(arg.ReportName);
}
if (!Report.class.isAssignableFrom(manifest.get())) {
return CommandResult.badRequest("Specified type is not a report: " + arg.ReportName);
}
final Report report;
try {
report = (Report) input.deserialize(arg.Data, manifest.get());
} catch (IOException e) {
return CommandResult.badRequest(
"Error deserializing report: " + arg.ReportName + ". Reason: " + e.getMessage());
}
final Object result = report.populate(locator);
try {
return CommandResult.success("Report populated", output.serialize(result));
} catch (IOException e) {
return new CommandResult<>(null, "Error serializing result.", 500);
}
}