Examples of org.hornetq.utils.json.JSONArray

org.hornetq.utils.json.JSONArray
A JSONArray is an ordered sequence of values. Its external text form is a string wrapped in square brackets with commas separating the values. The internal form is an object having get and opt methods for accessing the values by index, and put methods for adding or replacing values. The values can be any of these types: Boolean, JSONArray, JSONObject, Number, {@code string}, or the JSONObject.NULL object.
The constructor can convert a JSON text into a Java object. The toString method converts to JSON text.
A get method returns a value if one can be found, and throws an exception if one cannot be found. An opt method returns a default value instead of throwing an exception, and so is useful for obtaining optional values.
The generic get() and opt() methods return an object which you can cast or query for type. There are also typed get and opt methods that do type checking and type coercion for you.
The texts produced by the toString methods strictly conform to JSON syntax rules. The constructors are more forgiving in the texts they will accept:
- An extra , (comma) may appear just before the closing bracket.
- The {@code null} value will be inserted when thereis , (comma) elision.
- Strings may be quoted with ' (single quote).
- Strings do not need to be quoted at all if they do not begin with a quote or single quote, and if they do not contain leading or trailing spaces, and if they do not contain any of these characters: { } [ ] / \ : , = ; # and if they do not look like numbers and if they are not the reserved words true, false, or {@code null}.
- Values can be separated by ; (semicolon) as well as by , (comma).
- Numbers may have the 0- (octal) or 0x- (hex) prefix.
@author JSON.org @version 2009-04-13

      ClientConsumer consumer = session.createConsumer(queue);
      Assert.assertEquals(1, queueControl.getConsumerCount());


      System.out.println("Consumers: " + queueControl.listConsumersAsJSON());


      JSONArray obj = new JSONArray(queueControl.listConsumersAsJSON());


      assertEquals(1, obj.length());


      consumer.close();
      Assert.assertEquals(0, queueControl.getConsumerCount());


      obj = new JSONArray(queueControl.listConsumersAsJSON());


      assertEquals(0, obj.length());


      session.deleteQueue(queue);
   }

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      // unscheduled message
      producer.send(session.createMessage(false));


      String jsonString = queueControl.listScheduledMessagesAsJSON();
      Assert.assertNotNull(jsonString);
      JSONArray array = new JSONArray(jsonString);
      Assert.assertEquals(1, array.length());
      Assert.assertEquals(intValue, array.getJSONObject(0).get("key"));


      Thread.sleep(delay + 500);


      jsonString = queueControl.listScheduledMessagesAsJSON();
      Assert.assertNotNull(jsonString);
      array = new JSONArray(jsonString);
      Assert.assertEquals(0, array.length());


      ManagementTestBase.consumeMessages(2, session, queue);


      session.deleteQueue(queue);
   }

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      message.putIntProperty(new SimpleString("key"), intValue);
      producer.send(message);


      String jsonString = queueControl.listMessagesAsJSON(null);
      Assert.assertNotNull(jsonString);
      JSONArray array = new JSONArray(jsonString);
      Assert.assertEquals(1, array.length());
      Assert.assertEquals(intValue, array.getJSONObject(0).get("key"));


      ManagementTestBase.consumeMessages(1, session, queue);


      jsonString = queueControl.listMessagesAsJSON(null);
      Assert.assertNotNull(jsonString);
      array = new JSONArray(jsonString);
      Assert.assertEquals(0, array.length());


      session.deleteQueue(queue);
   }

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      unmatchingMessage.putLongProperty(key, unmatchingValue);
      producer.send(unmatchingMessage);


      String jsonString = queueControl.listMessagesAsJSON(filter);
      Assert.assertNotNull(jsonString);
      JSONArray array = new JSONArray(jsonString);
      Assert.assertEquals(1, array.length());
      Assert.assertEquals(matchingValue, array.getJSONObject(0).get("key"));


      ManagementTestBase.consumeMessages(2, session, queue);


      jsonString = queueControl.listMessagesAsJSON(filter);
      Assert.assertNotNull(jsonString);
      array = new JSONArray(jsonString);
      Assert.assertEquals(0, array.length());


      session.deleteQueue(queue);
   }

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   // Static --------------------------------------------------------


   private static String toJSON(final Map<String, Object>[] messages)
   {
      JSONArray array = toJSONMsgArray(messages);
      return array.toString();
   }

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      return array.toString();
   }


   private static JSONArray toJSONMsgArray(final Map<String, Object>[] messages)
   {
      JSONArray array = new JSONArray();
      for (Map<String, Object> message : messages)
      {
         array.put(new JSONObject(message));
      }
      return array;
   }

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   private static String toJSON(final  Map<String, Map<String, Object>[]> messages)
   {
      try
      {
         JSONArray arrayReturn = new JSONArray();
         for (Map.Entry<String, Map<String, Object>[]> entry: messages.entrySet())
         {
            JSONObject objectItem = new JSONObject();
            objectItem.put("consumerName", entry.getKey());
            objectItem.put("elements", toJSONMsgArray(entry.getValue()));
            arrayReturn.put(objectItem);
         }


         return arrayReturn.toString();
      }
      catch (JSONException e)
      {
         return "Invalid conversion " + e.toString();
      }

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      clearIO();
      try
      {
         Collection<Consumer> consumers = queue.getConsumers();


         JSONArray jsonArray = new JSONArray();


         for (Consumer consumer : consumers)
         {


            if (consumer instanceof ServerConsumer)
            {
               ServerConsumer serverConsumer = (ServerConsumer)consumer;


               JSONObject obj = new JSONObject();
               obj.put("consumerID", serverConsumer.getID());
               obj.put("connectionID", serverConsumer.getConnectionID().toString());
               obj.put("sessionID", serverConsumer.getSessionID());
               obj.put("browseOnly", serverConsumer.isBrowseOnly());
               obj.put("creationTime", serverConsumer.getCreationTime());


               jsonArray.put(obj);
            }


         }


         return jsonArray.toString();
      }
      finally
      {
         blockOnIO();
      }

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      Connection connection = JMSUtil.createConnection(InVMConnectorFactory.class.getName());
      MessageConsumer consumer = JMSUtil.createConsumer(connection, queue);


      Assert.assertEquals(1, queueControl.getConsumerCount());


      JSONArray jsonArray = new JSONArray(queueControl.listConsumersAsJSON());


      assertEquals(1, jsonArray.length());


      JMSUtil.sendMessages(queue, 2);


      Assert.assertEquals(2, queueControl.getMessageCount());
      Assert.assertEquals(2, queueControl.getMessagesAdded());

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      Assert.assertEquals(2, queueControl.getMessageCount());


      String jsonString = queueControl.listMessagesAsJSON(null);
      Assert.assertNotNull(jsonString);
      JSONArray array = new JSONArray(jsonString);
      Assert.assertEquals(2, array.length());
      Assert.assertEquals(ids[0], array.getJSONObject(0).get("JMSMessageID"));
      Assert.assertEquals(ids[1], array.getJSONObject(1).get("JMSMessageID"));


      JMSUtil.consumeMessages(2, queue);


      jsonString = queueControl.listMessagesAsJSON(null);
      Assert.assertNotNull(jsonString);
      array = new JSONArray(jsonString);
      Assert.assertEquals(0, array.length());
   }

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