public WebPageDto(Page<T> page, String url) {
this.url = url;
this.totalPages = page.getTotalPages();
this.totalElements = page.getTotalElements();
this.firstPage = page.isFirstPage();
this.lastPage = page.isLastPage();
this.hasPreviousPage = page.hasPreviousPage();
this.hasNextPage = page.hasNextPage();
this.size = page.getSize();
this.number = page.getNumber() + 1;
this.content = page.getContent();
int start, size;
if (totalPages <= DEFAULT_PAGES) {
start = 1;
size = totalPages;
} else {
if (number <= DEFAULT_PAGES - DEFAULT_PAGES / 2) {
start = 1;
size = DEFAULT_PAGES;
} else if (number >= totalPages - DEFAULT_PAGES / 2) {
start = totalPages - DEFAULT_PAGES + 1;
size = DEFAULT_PAGES;
} else {
start = number - DEFAULT_PAGES / 2;
size = DEFAULT_PAGES;
}
}
for (int i = 0; i < size; i++) {
items.add(new PageItem(start + i, (start + i) == number));
}
}
/**
* Add all bean properties from the supplied bean to the representation
*
* @param value
* @return
*/
public ResponseEntityBuilder<ReadableRepresentation> withPage(
Page<?> value, String uriTemplate, String... includeFields) {
String[] fields = requestedFields == null ? includeFields : requestedFields;
// Extract page data such as size, page number
representation.withProperty("size", value.getSize());
representation.withProperty("number", value.getNumber());
representation.withProperty("numberOfElements", value.getNumberOfElements());
representation.withProperty("totalElements", value.getTotalElements());
// Next/back links
if (value.hasNextPage()) {
buildNextLink(representation, request);
}
if (value.hasPreviousPage()) {
buildPreviousLink(representation, request);
}
// Build the content of the page
for (Object object : value.getContent()) {
Representation content = converter.convert(object, new UriTemplate(uriTemplate), fields);
this.representation.withRepresentation("content", content);
}
return this;
}
@Test
public void findsFirstPageOfMatthews() throws Exception {
Page<Customer> customers = repository.findByLastname("Matthews", new PageRequest(0, 2));
assertThat(customers.getContent().size(), is(2));
assertFalse(customers.hasPreviousPage());
}
private WebPage(Page<T> page) {
number = page.getNumber();
size = page.getSize();
totalPages = page.getTotalPages();
numberOfElements = page.getNumberOfElements();
totalElements = page.getTotalElements();
hasPreviousPage = page.hasPreviousPage();
isFirstPage = page.isFirstPage();
hasNextPage = page.hasNextPage();
isLastPage = page.isLastPage();
content = page.getContent();
hasContent = page.hasContent();
sort = new WebSort(page.getSort());
}
@RequiresPermissions("role:view")
@RequestMapping(value = "")
public String list(PageRequest pageRequest, Model model, ServletRequest request) {
if (StringUtils.isBlank(pageRequest.getOrderBy())) {
pageRequest.setOrderBy("id");
pageRequest.setOrderDir("desc");
}
Page<Role> roles =
roleServcie.search(Servlets.getParametersStartingWith(request, "search_"), pageRequest);
pageRequest.setPrePage(roles.hasPreviousPage());
pageRequest.setNextPage(roles.hasNextPage());
model.addAttribute("page", roles);
model.addAttribute("pageRequest", pageRequest);
return "account/role/roleList";
}