Examples of org.apache.wink.json4j.JSONArray.optString()

org.apache.wink.json4j.JSONArray.optString()
Method to obtain the value at index as a String, or null if outside the array. @param index the array index to get @return - value or null

            String[] strArray = new String[] {"hello", "world", null, "after null"};


            JSONArray jArray = new JSONArray(strArray);
            assertTrue(jArray.length() == 4);
            assertTrue(jArray.getString(0).equals("hello"));
            assertTrue(jArray.optString(2) == null);
            assertTrue(jArray.getString(3).equals("after null"));
        } catch (Exception ex1) {
            ex = ex1;
            ex.printStackTrace();
        }

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        final JSONArray dArray = settings.optJSONArray(ALLOWED_DOMAINS);
        if (dArray != null) {
          final ArrayList<String> domains = new ArrayList<String>();
          for (int i = 0; i < dArray.length(); i++) {
            domains.add(dArray.optString(i));
          }
          client.setAllowedDomains(domains.toArray(new String[domains.size()]));
        }


        internalMap.put(clientName, client);

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