Examples of org.json.JSONArray

org.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, 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 null value will be inserted when there is , (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 null.
@author JSON.org @version 2014-05-03

            resp.put("count", m_archs.size());
            resp.put("valid_count", StateUtils.getValidInstancesCount(m_archs));
            resp.put("invalid_count", StateUtils.getInvalidInstancesCount(m_archs));
            // End statline
            
            JSONArray instances = new JSONArray();
            for (Architecture arch : m_archs) {
                JSONObject instance = new JSONObject();
                instance.put("name", arch.getInstanceDescription().getName());
                instance.put("factory", arch.getInstanceDescription().getComponentDescription().getName());
                instance.put("state", StateUtils.getInstanceState(arch.getInstanceDescription().getState()));
                instances.put(instance);
            }
            resp.put("data", instances);
            
            pw.print(resp.toString());
        } catch (JSONException e) {

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            resp.put("count", m_factories.size());
            resp.put("valid_count", StateUtils.getValidFactoriesCount(m_factories));
            resp.put("invalid_count", StateUtils.getInvalidFactoriesCount(m_factories));
            // End statline


            JSONArray factories = new JSONArray();
            for (Factory factory : m_factories) {
                String version = factory.getVersion();
                String name = factory.getName();
                
                String state = StateUtils.getFactoryState(factory.getState());
                String bundle = factory.getBundleContext().getBundle().getSymbolicName()
                    + " (" + factory.getBundleContext().getBundle().getBundleId() + ")";
                JSONObject fact = new JSONObject();
                fact.put("name", name);
                if (version != null) {
                    fact.put("version", version);
                }
                fact.put("bundle", bundle);
                fact.put("state", state);
                factories.put(fact);
            }
            resp.put("data", factories);
            
            pw.print(resp.toString());
        } catch (JSONException e) {

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            resp.put("count", m_handlers.size());
            resp.put("valid_count", StateUtils.getValidHandlersCount(m_handlers));
            resp.put("invalid_count", StateUtils.getInvalidHandlersCount(m_handlers));
            // End statline
            
            JSONArray factories = new JSONArray();
            for (HandlerFactory factory : m_handlers) {
                String version = factory.getVersion();
                String name = factory.getHandlerName();
                
                String state = StateUtils.getFactoryState(factory.getState());
                String bundle = factory.getBundleContext().getBundle().getSymbolicName()
                    + " (" + factory.getBundleContext().getBundle().getBundleId() + ")";
                JSONObject fact = new JSONObject();
                fact.put("name", name);
                if (version != null) {
                    fact.put("version", version);
                }
                fact.put("bundle", bundle);
                fact.put("state", state);
                fact.put("type", factory.getType());
                if (! factory.getMissingHandlers().isEmpty()) {
                    fact.put("missing", factory.getMissingHandlers().toString());
                }
                factories.put(fact);
            }
            resp.put("data", factories);
            
            pw.print(resp.toString());
        } catch (JSONException e) {

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            + " (" + factory.getBundleContext().getBundle().getBundleId() + ")";
            data.put("bundle", bundle);
            
            // Provided service specifications
            if (factory.getComponentDescription().getprovidedServiceSpecification().length != 0) {
                JSONArray services = new JSONArray
                    (Arrays.asList(factory.getComponentDescription().getprovidedServiceSpecification()));
                data.put("services", services);
            }
            
            // Properties
            PropertyDescription[] props = factory.getComponentDescription().getProperties();
            if (props != null  && props.length != 0) {
                JSONArray properties = new JSONArray();
                for (int i = 0; i < props.length; i++) {
                    JSONObject prop = new JSONObject();
                    prop.put("name", props[i].getName());
                    prop.put("type", props[i].getType());
                    prop.put("mandatory", props[i].isMandatory());
                    prop.put("immutable", props[i].isImmutable());
                    if (props[i].getValue() != null) {
                        prop.put("value", props[i].getValue());
                    }
                    properties.put(prop);
                }
                data.put("properties", properties);
            }
            
            if (! factory.getRequiredHandlers().isEmpty()) {
                JSONArray req = new JSONArray
                    (factory.getRequiredHandlers());
                data.put("requiredHandlers", req);
            }
            
            if (! factory.getMissingHandlers().isEmpty()) {
                JSONArray req = new JSONArray
                    (factory.getMissingHandlers());
                data.put("missingHandlers", req);
            }
            
            List<?> instances = StateUtils.getInstanceList(m_archs, name);
            if (! instances.isEmpty()) {
                JSONArray req = new JSONArray(instances);
                data.put("instances", req);
            }
            
            data.put("architecture", factory.getDescription().toString());
            resp.put("data", data);

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            JSONObject data = new JSONObject();
            data.put("name", instance.getName());
            data.put("state", StateUtils.getInstanceState(instance.getState()));
            data.put("factory", instance.getComponentDescription().getName());
            
            JSONArray services = getProvidedServiceDetail(instance.getHandlerDescription("org.apache.felix.ipojo:provides"));
            if (services != null) {
                data.put("services", services);
            }
            
            JSONArray reqs = getRequiredServiceDetail(instance.getHandlerDescription("org.apache.felix.ipojo:requires"));
            if (reqs != null) {
                data.put("req", reqs);
            }
            
            data.put("architecture", instance.getDescription().toString());

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    private JSONArray getProvidedServiceDetail(HandlerDescription hd) throws JSONException {
        if (hd == null) {
            return null;
        }


        JSONArray array = new JSONArray();
        ProvidedServiceHandlerDescription desc = (ProvidedServiceHandlerDescription) hd;


        for (ProvidedServiceDescription ps : desc.getProvidedServices()) {
            JSONObject svc = new JSONObject();
            String spec = Arrays.toString(ps.getServiceSpecifications());
            if (spec.startsWith("[")) {
                spec = spec.substring(1, spec.length() - 1);
            }
            svc.put("specification", spec);
            svc.put("state", StateUtils.getProvidedServiceState(ps.getState()));
            
            if (ps.getServiceReference() != null) {
                svc.put("id", (Long) ps.getServiceReference().getProperty(Constants.SERVICE_ID));
            }
            
            if (ps.getProperties() != null  &&!  ps.getProperties().isEmpty()) {
                svc.put("properties", getServiceProperties(ps.getProperties()));
            }


            array.put(svc);
        }
        
        return array;
    }

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     * @param properties the properties
     * @return the JSON Array
     * @throws JSONException if the array cannot be created correctly
     */
    private JSONArray getServiceProperties(Properties properties) throws JSONException {
        JSONArray array = new JSONArray();
        Enumeration<Object> e = properties.keys();
        while (e.hasMoreElements()) {
            String key = (String) e.nextElement();
            Object value = properties.get(key);
            JSONObject prop = new JSONObject();
            prop.put("name", key);
            if (value != null  && value.getClass().isArray()) {
                // TODO Test with primitive types
                prop.put("value", Arrays.toString((Object[]) value));
            } else if (value != null) {
                prop.put("value", value.toString());
            } else {
                prop.put("value", "no value");
            }
            array.put(prop);
        }
        return array;
    }

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    private JSONArray getRequiredServiceDetail(
            HandlerDescription hd) throws JSONException {
        if (hd == null) {
            return null;
        }
        JSONArray array = new JSONArray();
        DependencyHandlerDescription desc = (DependencyHandlerDescription) hd;
        for (DependencyDescription dep : desc.getDependencies()) {
            JSONObject req = new JSONObject();
            req.put("specification",dep.getSpecification());
            req.put("id", dep.getId());
            req.put("state", StateUtils.getDependencyState(dep.getState()));
            req.put("policy", StateUtils.getDependencyBindingPolicy(dep.getPolicy()));
            req.put("optional", dep.isOptional());
            req.put("aggregate", dep.isMultiple());
            if (dep.getFilter() != null) {
                req.put("filter", dep.getFilter());
            }
            if (dep.getServiceReferences() != null  && dep.getServiceReferences().size() != 0) {
                req.put("matching",  getServiceReferenceList(dep.getServiceReferences()));
            }
            
            if (dep.getUsedServices() != null  && dep.getUsedServices().size() != 0) {
                req.put("used",  getServiceReferenceList(dep.getUsedServices()));
            }
            
            array.put(req);
        }


        return array;
    }

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     * @param refs the service reference list
     * @return the JSON Array
     * @throws JSONException if the array cannot be created.
     */
    private JSONArray getServiceReferenceList(List<ServiceReference> refs) throws JSONException {
        JSONArray array = new JSONArray();
        if (refs != null) {
            for (ServiceReference ref : refs) {
                JSONObject reference = new JSONObject();
                if (ref.getProperty("instance.name") == null) {
                    reference.put("id", ref.getProperty(Constants.SERVICE_ID));
                } else {
                    reference.put("id", ref.getProperty(Constants.SERVICE_ID));
                    reference.put("instance", ref.getProperty("instance.name"));
                }
                array.put(reference);
            }
        }
        return array;
    }

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      }


            input = method.getResponseBodyAsStream();


            JSONObject result = new JSONObject(new JSONTokener(new InputStreamReader(input)));
            JSONArray dataArray = (JSONArray) result.get("data");
            JSONObject firstElement = (JSONObject) dataArray.get(0);
            return " ["+firstElement.get("state")+"]";
    } catch (Exception e) {
      e.printStackTrace();
      return e.getMessage();
        } finally {

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