Resource Pageable Search with Filter

// CONTROLLER:

@GetMapping
    public ResponseEntity<Page<ResourceDto>> getResources(
            @RequestParam int page,
            @RequestParam int size,
            @RequestParam(required = false) Map<String, String> filters) {
        Page<ResourceDto> response=resourceService.search(page, size, filters);
        return ResponseEntity.ok(response);
    }


// SERVICE:

public Page<ResourceDto> search(int page, int size, Map<String, String> filters){

        String tenantId=TenantContext.getCurrentTenant();
        Pageable pageable= PageRequest.of(page, size, Sort.by("createdOn").descending());

        Specification<Resource> specification=(root, query, criteriaBuilder) -> {
            Predicate predicate=criteriaBuilder.equal(root.get("tenantId"), tenantId);

            if(filters!=null){
                for(Map.Entry<String, String> filter:filters.entrySet()){
                    String key = filter.getKey();
                    String value = filter.getValue();

                    if(key.equals("name") || key.equals("description") || key.equals("artefact")|| key.equals("link") || key.equals("language")) {
                        if(key.equals("artefact") || key.equals("link")){
                            predicate=criteriaBuilder.and(predicate, criteriaBuilder.equal(root.get(key), Boolean.parseBoolean(value)));
                        }else{
                            predicate=criteriaBuilder.and(predicate, criteriaBuilder.like(root.get(key), "%"+value+"%"));
                        }
                    }
                }
            }

            return predicate;
        };

        Page<Resource> resources = resourceRepository.findAll(specification, pageable);
        List<ResourceDto> convertedResources=resourceMapper.listResourceToListResourceDto(resources.getContent());
        return new PageImpl<>(convertedResources, pageable, resources.getTotalElements());
    }