/**
* Search datasets containg param text in the metadata
*
* @param query The query object
* @param limit maximum results to return
* @param offset search begins from offset
* @throws JackanException on error
*/
public synchronized SearchResults<CkanDataset> searchDatasets(
CkanQuery query, int limit, int offset) {
StringBuilder params = new StringBuilder();
params.append("rows=").append(limit).append("&start=").append(offset);
if (query.getText().length() > 0) {
params.append("&q=");
params.append(urlEncode(query.getText()));
}
StringBuilder fq = new StringBuilder();
String fqPrefix = "";
fqPrefix = appendNamesList(fqPrefix, "groups", query.getGroupNames(), fq);
fqPrefix = appendNamesList(fqPrefix, "organization", query.getOrganizationNames(), fq);
fqPrefix = appendNamesList(fqPrefix, "tags", query.getTagNames(), fq);
fqPrefix = appendNamesList(fqPrefix, "license_id", query.getLicenseIds(), fq);
if (fq.length() > 0) {
params.append("&fq=").append(urlEncode(fq.insert(0, "(").append(")").toString()));
}
DatasetSearchResponse dsr;
dsr = getHttp(DatasetSearchResponse.class, "/api/3/action/package_search?" + params.toString());
if (dsr.success) {
for (CkanDataset ds : dsr.result.getResults()) {
for (CkanResource cr : ds.getResources()) {
cr.setPackageId(ds.getId());
}
}
}
return dsr.result;
}
/**
* Search datasets containing provided text in the metadata
*
* @param text The query string
* @param limit maximum results to return
* @param offset search begins from offset. Starts from 0, so that offset 0 limit 1 returns
* exactly 1 result, if there is a matching dataset)
* @throws JackanException on error
*/
public synchronized SearchResults<CkanDataset> searchDatasets(
String text, int limit, int offset) {
return searchDatasets(CkanQuery.filter().byText(text), limit, offset);
}
