本文整理匯總了Java中net.sf.json.JSON.isEmpty方法的典型用法代碼示例。如果您正苦於以下問題：Java JSON.isEmpty方法的具體用法？Java JSON.isEmpty怎麽用？Java JSON.isEmpty使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類net.sf.json.JSON的用法示例。
在下文中一共展示了JSON.isEmpty方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: search
import net.sf.json.JSON; //導入方法依賴的package包/類
public static JSONArray search(String query, String mql_query_file, int limit) {
try {
properties.load(new FileInputStream(FREEBASE_PROPERTIES_LOC));
HttpTransport httpTransport = new NetHttpTransport();
HttpRequestFactory requestFactory = httpTransport.createRequestFactory();
GenericUrl url = new GenericUrl("https://www.googleapis.com/freebase/v1/search");
url.put("query", query);
// url.put("filter", "(all type:/music/artist created:\"The Lady Killer\")");
url.put("limit", limit);
String mql_query = IOUtils.toString(new FileInputStream(mql_query_file));
url.put("mql_output", mql_query);
url.put("key", properties.get("API_KEY"));
HttpRequest request = requestFactory.buildGetRequest(url);
HttpResponse httpResponse = null;
try {
httpResponse = request.execute();
} catch (Exception e) {
}
if (httpResponse == null) {
return null;
}
JSON obj = JSONSerializer.toJSON(httpResponse.parseAsString());
if (obj.isEmpty()) {
return null;
}
JSONObject jsonObject = (JSONObject) obj;
JSONArray results = jsonObject.getJSONArray("result");
LogUtils.info(FreebaseUtil.class, results.toString());
return results;
} catch (Exception ex) {
ex.printStackTrace();
}
return null;
}
示例2: fetch
import net.sf.json.JSON; //導入方法依賴的package包/類
public static JSONArray fetch(String query_template_file, Map<String, String> params) {
try {
properties.load(new FileInputStream(FREEBASE_PROPERTIES_LOC));
HttpTransport httpTransport = new NetHttpTransport();
HttpRequestFactory requestFactory = httpTransport.createRequestFactory();
String query = IOUtils.toString(new FileInputStream(query_template_file));
query = manipulateQuery(query, params);
GenericUrl url = new GenericUrl("https://www.googleapis.com/freebase/v1/mqlread");
url.put("query", query);
url.put("key", properties.get("API_KEY"));
System.out.println("URL:" + url);
HttpRequest request = requestFactory.buildGetRequest(url);
HttpResponse httpResponse = request.execute();
JSON obj = JSONSerializer.toJSON(httpResponse.parseAsString());
if (obj.isEmpty()) {
return null;
}
JSONObject jsonObject = (JSONObject) obj;
JSONArray results = jsonObject.getJSONArray("result");
System.out.println(results.toString());
return results;
} catch (IOException ex) {
ex.printStackTrace();
}
return null;
}