Spring/spring-hateoas-examples
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Polish up example of code, using up-to-date APIs.

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Resolves #32.
This commit is contained in:
Greg L. Turnquist
2020-10-20 16:28:37 -05:00
parent 5f74daf4bd
commit 4f048d5dcd
1 changed files with 44 additions and 48 deletions
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92
affordances/README.adoc
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@@ -128,17 +128,17 @@ class EmployeeController {
ResponseEntity<CollectionModel<EntityModel<Employee>>> findAll() {
List<EntityModel<Employee>> employeeResources = StreamSupport.stream(repository.findAll().spliterator(), false)
.map(employee -> EntityModel.of(employee,
linkTo(methodOn(EmployeeController.class).findOne(employee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, employee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(employee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")
))
.collect(Collectors.toList());
.map(employee -> EntityModel.of(employee,
linkTo(methodOn(EmployeeController.class).findOne(employee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, employee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(employee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")))
.collect(Collectors.toList());
return ResponseEntity.ok(CollectionModel.of(employeeResources,
linkTo(methodOn(EmployeeController.class).findAll()).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).newEmployee(null)))));
return ResponseEntity.ok(CollectionModel.of( //
employeeResources, //
linkTo(methodOn(EmployeeController.class).findAll()).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).newEmployee(null)))));
}
@PostMapping("/employees")
@@ -147,21 +147,20 @@ class EmployeeController {
Employee savedEmployee = repository.save(employee);
return EntityModel.of(savedEmployee,
linkTo(methodOn(EmployeeController.class).findOne(savedEmployee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, savedEmployee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(savedEmployee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")
).getId()
.map(Link::getHref)
.map(href -> {
try {
return new URI(href);
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
})
.map(uri -> ResponseEntity.noContent().location(uri).build())
.orElse(ResponseEntity.badRequest().body("Unable to create " + employee));
linkTo(methodOn(EmployeeController.class).findOne(savedEmployee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, savedEmployee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(savedEmployee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")).getLink(IanaLinkRelations.SELF)
.map(Link::getHref) //
.map(href -> {
try {
return new URI(href);
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
}) //
.map(uri -> ResponseEntity.noContent().location(uri).build())
.orElse(ResponseEntity.badRequest().body("Unable to create " + employee));
}
...
@@ -207,14 +206,13 @@ class EmployeeController {
ResponseEntity<EntityModel<Employee>> findOne(@PathVariable long id) {
return repository.findById(id)
.map(employee -> EntityModel.of(employee,
linkTo(methodOn(EmployeeController.class).findOne(employee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, employee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(employee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")
))
.map(ResponseEntity::ok)
.orElse(ResponseEntity.notFound().build());
.map(employee -> EntityModel.of(employee,
linkTo(methodOn(EmployeeController.class).findOne(employee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, employee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(employee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")))
.map(ResponseEntity::ok) //
.orElse(ResponseEntity.notFound().build());
}
@PutMapping("/employees/{id}")
@@ -226,21 +224,19 @@ class EmployeeController {
Employee updatedEmployee = repository.save(employeeToUpdate);
return EntityModel.of(updatedEmployee,
linkTo(methodOn(EmployeeController.class).findOne(updatedEmployee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, updatedEmployee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(updatedEmployee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")
).getId()
.map(Link::getHref)
.map(href -> {
try {
return new URI(href);
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
})
.map(uri -> ResponseEntity.noContent().location(uri).build())
.orElse(ResponseEntity.badRequest().body("Unable to update " + employeeToUpdate));
linkTo(methodOn(EmployeeController.class).findOne(updatedEmployee.getId())).withSelfRel()
.andAffordance(afford(methodOn(EmployeeController.class).updateEmployee(null, updatedEmployee.getId())))
.andAffordance(afford(methodOn(EmployeeController.class).deleteEmployee(updatedEmployee.getId()))),
linkTo(methodOn(EmployeeController.class).findAll()).withRel("employees")).getLink(IanaLinkRelations.SELF)
.map(Link::getHref).map(href -> {
try {
return new URI(href);
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
}) //
.map(uri -> ResponseEntity.noContent().location(uri).build()) //
.orElse(ResponseEntity.badRequest().body("Unable to update " + employeeToUpdate));
}
...