multiple requestparam in springboot pageable - spring-boot

Question

i know that this question may be duplicated but i tried a lot with no success
I need to make multiple RequestParam in spring boot rest controller as following :
#GetMapping("/prd-products/test")
#Timed
public ResponseEntity<List<Test>> getAllTests(#RequestParam (required = false) String search, #RequestParam (required = false) Pageable pageable) {
Page<Test> page = prdProductsService.findAllTest(search, pageable);
HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(page, "/api/prd-products");
return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
}
when i try to call this service by url like :
http://localhost:9116/api/prd-products/test?search=id==1,id==2&pageable=0&size=2
it give me following error
"title": "Bad Request",
"status": 400,
"detail": "Failed to convert value of type 'java.lang.String' to required type 'org.springframework.data.domain.Pageable'; nested exception is java.lang.IllegalStateException: Cannot convert value of type 'java.lang.String' to required type 'org.springframework.data.domain.Pageable': no matching editors or conversion strategy found",
when i try to send one request param it successfully work .
Note : id==1,id==2 is the way that fields is parsed in search

Answer 1

With Spring Boot you can just register PageableHandlerMethodArgumentResolver bean
#Bean
public PageableHandlerMethodArgumentResolver pageableResolver() {
return new PageableHandlerMethodArgumentResolver();
}
In controller
public ResponseEntity<List<Test>> getAllTests(
#RequestParam (required = false) String search,
#PageableDefault(page = 0, size = 100) Pageable pageable
) {
...
}
And then adjust your query parameters to
...&page=0&size=2

Answer 2

Spring cannot convert a String to a Pageable. You should create a Pageable object from the request parameters, for example, with PageRequest.of.
Example:
#GetMapping("/prd-products/test")
#Timed
public ResponseEntity<List<Test>> getAllTests(
#RequestParam (required = false) String search,
#RequestParam (required = false) Integer pageIndex,
#RequestParam (required = false) Integer pageSize) {
Pageable pageable = PageRequest.of(pageIndex, pageSize);
Page<Test> page = prdProductsService.findAllTest(search, pageable);
HttpHeaders headers = PaginationUtil.generatePaginationHttpHeaders(page, "/api/prd-products");
return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
}

Answer 3

Your QueryString seems strange.
In order to use Spring Data REST to create and inject a Pageable, you need to do something like this:
?page=0&size=2&ids=1,2
Your REST Controller:
public ResponseEntity <List<Test>> getAllTests(#RequestParam(required = false) String search, #RequestParam(required = false) Pageable pageable) {
Page<Test> page = prdProductsService.findAllTest(search, pageable);
return new ResponseEntity<>(page.getContent(), headers, HttpStatus.OK);
}
This way, Spring Data REST will create a Pageable object.
See reference documentation.