private String getPreviousPageURL(Request request) {
// If our offset should be 0 then we shouldn't be able to view a previous page url
if (0 == queryArgs.getFacetOffset()) {
return null;
}
Map<String, String> parameters = new HashMap<String, String>();
parameters.put(FACET_FIELD, request.getParameter(FACET_FIELD));
if (queryArgs.getFacetOffset() != -1) {
parameters.put(OFFSET, String.valueOf(queryArgs.getFacetOffset() - DEFAULT_PAGE_SIZE));
}
// Add the filter queries
String url = generateURL("browse-discovery", parameters);
String[] fqs = getParameterFacetQueries();
if (fqs != null) {
StringBuilder urlBuilder = new StringBuilder(url);
for (String fq : fqs) {
urlBuilder.append("&fq=").append(fq);
}
url = urlBuilder.toString();
}
return url;
}
private String getNextPageURL(Request request) {
Map<String, String> parameters = new HashMap<String, String>();
parameters.put(FACET_FIELD, request.getParameter(FACET_FIELD));
if (queryArgs.getFacetOffset() != -1) {
parameters.put(OFFSET, String.valueOf(queryArgs.getFacetOffset() + DEFAULT_PAGE_SIZE));
}
// Add the filter queries
String url = generateURL("browse-discovery", parameters);
String[] fqs = getParameterFacetQueries();
if (fqs != null) {
StringBuilder urlBuilder = new StringBuilder(url);
for (String fq : fqs) {
urlBuilder.append("&fq=").append(fq);
}
url = urlBuilder.toString();
}
return url;
}