Example usage for com.google.gson ExclusionStrategy ExclusionStrategy

Introduction

In this page you can find the example usage for com.google.gson ExclusionStrategy ExclusionStrategy.

Prototype

ExclusionStrategy

Source Link

Usage

From source file:edu.utd.cs6301.shas.controller.DetectorServlet.java

public void init() throws ServletException {
    gson = new GsonBuilder().setExclusionStrategies(new ExclusionStrategy() {

        public boolean shouldSkipClass(Class<?> clazz) {
            return false;
        }/*  w w w  . j  a  va  2s  . c om*/

        /**
         * Custom field exclusion goes here
         */
        public boolean shouldSkipField(FieldAttributes f) {
            return false;
        }

    })
            /**
             * Use serializeNulls method if you want To serialize null
             * values By default, Gson does not serialize null values
             */
            .serializeNulls().create();
}

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From source file:edu.utd.cs6301.shas.controller.SprinklerServlet.java

public void init() throws ServletException {
    gson = new GsonBuilder().setExclusionStrategies(new ExclusionStrategy() {

        public boolean shouldSkipClass(Class<?> clazz) {
            return (clazz == Sprinklersetting.class);
        }// ww w . j a  va2 s . c o  m

        /**
         * Custom field exclusion goes here
         */
        public boolean shouldSkipField(FieldAttributes f) {
            return false;
        }

    })
            /**
             * Use serializeNulls method if you want To serialize null
             * values By default, Gson does not serialize null values
             */
            .serializeNulls().create();
}

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From source file:edu.utd.cs6301.shas.controller.SprinklerSettingServlet.java

public void init() throws ServletException {
    gson = new GsonBuilder().setExclusionStrategies(new ExclusionStrategy() {

        public boolean shouldSkipClass(Class<?> clazz) {
            return (clazz == Sprinkler.class);
        }//from  w  w w  . j a va 2  s .  co m

        /**
         * Custom field exclusion goes here
         */
        public boolean shouldSkipField(FieldAttributes f) {
            return false;
        }

    })
            /**
             * Use serializeNulls method if you want To serialize null
             * values By default, Gson does not serialize null values
             */
            .serializeNulls().create();
}

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From source file:ee.ria.xroad.common.util.JsonUtils.java

License:Open Source License

/**
 * Get Gson with custom serializer./*from ww  w.  jav  a2s  . c om*/
 * @return Gson instance with custom serializer.
 */
public static Gson getSerializer() {
    GsonBuilder builder = new GsonBuilder();
    builder.disableHtmlEscaping();
    builder.registerTypeAdapter(ClientId.class, new ClientIdSerializer());

    builder.setExclusionStrategies(new ExclusionStrategy() {
        @Override
        public boolean shouldSkipField(FieldAttributes f) {
            return f.getAnnotation(Exclude.class) != null;
        }

        @Override
        public boolean shouldSkipClass(Class<?> clazz) {
            return false;
        }
    });

    return builder.create();
}

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From source file:fi.vm.sade.organisaatio.business.impl.OrganisaatioTarjonta.java

License:EUPL

private void initGson() {
    GsonBuilder gsonBuilder = new GsonBuilder();

    // Jtetn oid pois sill KoulutusHakutulosV1RDTO sislt kaksi oid kentt
    gsonBuilder.setExclusionStrategies(new ExclusionStrategy() {
        @Override// w ww  . jav  a 2s  . c  o  m
        public boolean shouldSkipField(FieldAttributes fieldAttributes) {
            return "oid".equals(fieldAttributes.getName());
        }

        @Override
        public boolean shouldSkipClass(Class<?> arg0) {
            return false;
        }
    });

    // Rekisteridn adapteri, jolla hoidetaan date tyyppi long arvona
    gsonBuilder.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {
        @Override
        public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
                throws JsonParseException {
            return new Date(json.getAsJsonPrimitive().getAsLong());
        }
    });

    gson = gsonBuilder.create();
}

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From source file:fr.gael.dhus.service.UserService.java

License:Open Source License

/**
 * Facility method to easily provide user content with resolved lazy fields
 * to be able to serialize. The method takes care of the possible cycles
 * such as "users->pref->filescanners->collections->users" ...
 * It also removes possible huge product list from collections.
 *
 * @param u the user to resolve.//from w  ww. j av  a 2s  .c  o m
 * @return the resolved user.
 */
@Transactional(readOnly = true, propagation = Propagation.REQUIRED)
@Cacheable(value = "json_user", key = "#u")
public User resolveUser(User u) {
    u = userDao.read(u.getUUID());
    Gson gson = new GsonBuilder().setExclusionStrategies(new ExclusionStrategy() {
        public boolean shouldSkipClass(Class<?> clazz) {
            // Avoid huge number of products in collection
            return clazz == Product.class;
        }

        /**
         * Custom field exclusion goes here
         */
        public boolean shouldSkipField(FieldAttributes f) {
            // Avoid cycles caused by collection tree and user/auth users...
            return f.getName().equals("authorizedUsers") || f.getName().equals("parent")
                    || f.getName().equals("subCollections");

        }
    }).serializeNulls().create();
    String users_string = gson.toJson(u);
    return gson.fromJson(users_string, User.class);
}

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From source file:info.raack.appliancedetection.evaluation.web.EvaluationController.java

License:Open Source License

@RequestMapping(value = "/evaluation/{id}", method = RequestMethod.GET)
public void getEvaluationData(@PathVariable("id") String simulationId,
        @RequestParam("algorithmId") int algorithmId,
        @RequestParam(value = "start", required = false) Double startMillis,
        @RequestParam(value = "end", required = false) Double endMillis,
        @RequestParam(value = "ticks", required = false) Integer ticks, HttpServletRequest request,
        HttpServletResponse response) throws IOException {

    // TODO - for now, just use the naive algorithm's energy measurements.

    Date start = null;/*  w  w w.  ja v  a 2 s  . c o  m*/
    Date end = null;

    if (startMillis != null && endMillis != null) {
        start = new Date(startMillis.longValue());
        end = new Date(endMillis.longValue());
    } else if (startMillis != null && endMillis == null) {
        // if only start or end are provided, create a one day span
        Calendar c = new GregorianCalendar();
        c.setTimeInMillis(startMillis.longValue());
        start = c.getTime();
    } else if (startMillis == null && endMillis != null) {
        // if only start or end are provided, create a one day span
        Calendar c = new GregorianCalendar();
        c.setTimeInMillis(endMillis.longValue());
        end = c.getTime();

    }

    if (ticks == null) {
        ticks = 300;
    }

    Evaluation evaluation = simulationService.getEvaluation(algorithmId, simulationId, start, end, true);

    if (evaluation == null) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;
    }

    EvaluationWrapper wrapper = new EvaluationWrapper(evaluation);

    JsonSerializer<EnergyTimestep> dateSerializer = new JsonSerializer<EnergyTimestep>() {
        // serialize date to milliseconds since epoch
        public JsonElement serialize(EnergyTimestep energyTimestep, Type me, JsonSerializationContext arg2) {
            JsonArray object = new JsonArray();
            object.add(new JsonPrimitive(energyTimestep.getStartTime().getTime()));
            object.add(new JsonPrimitive(energyTimestep.getEnergyConsumed()));
            return object;
        }
    };

    String dataJS = new GsonBuilder().registerTypeAdapter(EnergyTimestep.class, dateSerializer)
            .excludeFieldsWithModifiers(Modifier.STATIC).setExclusionStrategies(new ExclusionStrategy() {

                // skip logger
                public boolean shouldSkipClass(Class<?> clazz) {
                    return clazz.equals(Logger.class);
                }

                public boolean shouldSkipField(FieldAttributes fieldAttributes) {
                    // skip simulation of simulated appliance
                    return (fieldAttributes.getName().equals("simulation")
                            && fieldAttributes.getDeclaringClass() == SimulatedAppliance.class) ||
                    // skip simulation second data
                    (fieldAttributes.getName().equals("secondData")
                            && fieldAttributes.getDeclaringClass() == Simulation.class) ||
                    // skip endTime of energytimestep
                    (fieldAttributes.getName().equals("endTime")
                            && fieldAttributes.getDeclaringClass() == EnergyTimestep.class) ||
                    // skip userAppliance, detectionAlgorithmId of appliance state transition
                    ((fieldAttributes.getName().equals("userAppliance")
                            || fieldAttributes.getName().equals("detectionAlgorithmId"))
                            && fieldAttributes.getDeclaringClass() == ApplianceStateTransition.class);
                }
            }).create().toJson(wrapper);

    response.getWriter().write(dataJS);
    response.setContentType("application/json");
}

---

From source file:info.raack.appliancedetection.evaluation.web.EvaluationController.java

License:Open Source License

@RequestMapping(value = "/evaluationgroup/{id}", method = RequestMethod.GET)
public void getEvaluationGroupData(@PathVariable("id") int simulationGroupId, HttpServletRequest request,
        HttpServletResponse response) throws IOException {

    EvaluationGroup evaluationGroup = simulationService.getEvaluationGroup(simulationGroupId);

    if (evaluationGroup == null) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;//from w w w. j  av a2  s  .co m
    }

    String dataJS = new GsonBuilder().excludeFieldsWithModifiers(Modifier.STATIC)
            .setExclusionStrategies(new ExclusionStrategy() {

                // skip logger
                public boolean shouldSkipClass(Class<?> clazz) {
                    return clazz.equals(Logger.class);
                }

                public boolean shouldSkipField(FieldAttributes fieldAttributes) {
                    // skip everything in evaluation except overallEnergyError or simulation
                    return (!(fieldAttributes.getName().equals("stateTransitionPrecision")
                            || fieldAttributes.getName().equals("stateTransitionRecall")
                            || fieldAttributes.getName().equals("stateTransitionAccuracy")
                            || fieldAttributes.getName().equals("overallAccuracy")
                            || fieldAttributes.getName().equals("overallEnergyError")
                            || fieldAttributes.getName().equals("simulation"))
                            && fieldAttributes.getDeclaringClass() == Evaluation.class) ||
                    // skip everything in simulation except id and durationInSeconds
                    (!(fieldAttributes.getName().equals("id")
                            || fieldAttributes.getName().equals("durationInSeconds"))
                            && fieldAttributes.getDeclaringClass() == Simulation.class);
                }
            }).create().toJson(evaluationGroup);

    response.getWriter().write(dataJS);
    response.setContentType("application/json");
}

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From source file:info.raack.appliancelabeler.web.MainController.java

License:Open Source License

@RequestMapping(value = "/energy/{frequency}", method = RequestMethod.GET)
public void getEnergyData(@PathVariable("frequency") String frequency,
        @RequestParam(value = "start", required = false) Double startMillis,
        @RequestParam(value = "end", required = false) Double endMillis,
        @RequestParam(value = "ticks", required = false) Integer ticks, HttpServletRequest request,
        HttpServletResponse response) throws IOException {
    // need to get latest values from stepgreen service

    EnergyMonitor energyMonitor = getCurrentEnergyMonitor(request, response);

    Date start = new Date();
    Date end = new Date();

    if (startMillis != null && endMillis != null) {
        start = new Date(startMillis.longValue());
        end = new Date(endMillis.longValue());
    } else if (startMillis != null && endMillis == null) {
        // if only start or end are provided, create a one day span
        Calendar c = new GregorianCalendar();
        c.setTimeInMillis(startMillis.longValue());
        start = new Date();
        start.setTime(startMillis.longValue());

        c.add(Calendar.DATE, 1);/*from  ww  w .java  2s.  c  o m*/
        end = c.getTime();
    } else if (startMillis == null && endMillis != null) {
        // if only start or end are provided, create a one day span
        Calendar c = new GregorianCalendar();
        c.setTimeInMillis(endMillis.longValue());
        end = new Date();
        end.setTime(endMillis.longValue());

        c.add(Calendar.DATE, -1);
        start = c.getTime();

    } else {
        createOneDaySpan(energyMonitor, start, end);
    }

    if (ticks == null) {
        ticks = 300;
    }

    Date queryStart = null;
    Date queryEnd = null;

    // if the time window is less than 5 minutes, then just take the window as is; otherwise, enlarge the window to the 5 minute interval requested
    if (end.getTime() - start.getTime() > (5 * 60 * 1000)) {
        Calendar cal = new GregorianCalendar();
        cal.setTime(start);
        queryStart = dateUtils.getPreviousFiveMinuteIncrement(cal).getTime();

        cal = new GregorianCalendar();
        cal.setTime(end);
        queryEnd = dateUtils.getNextFiveMinuteIncrement(cal).getTime();
    } else {
        queryStart = start;
        queryEnd = end;
    }

    List<SecondData> data = getEnergyDataWithLimits(energyMonitor,
            DataService.DataFrequency.valueOf(frequency.toUpperCase()), queryStart, queryEnd, ticks);
    Map<UserAppliance, List<EnergyTimestep>> predictedEnergyUsage = dataService
            .getApplianceEnergyConsumptionForMonitor(energyMonitor, algorithm.getId(), queryStart, queryEnd);
    Map<UserAppliance, List<ApplianceStateTransition>> predictedApplianceStateTransitions = dataService
            .getPredictedApplianceStateTransitionsForMonitor(energyMonitor, algorithm.getId(), queryStart,
                    queryEnd);

    JsonSerializer<EnergyTimestep> dateSerializer = new JsonSerializer<EnergyTimestep>() {
        // serialize date to milliseconds since epoch
        public JsonElement serialize(EnergyTimestep energyTimestep, Type me, JsonSerializationContext arg2) {
            JsonArray object = new JsonArray();
            object.add(new JsonPrimitive(energyTimestep.getStartTime().getTime()));
            object.add(new JsonPrimitive(energyTimestep.getEnergyConsumed()));
            return object;
        }
    };

    EnergyWrapper energyWrapper = new EnergyWrapper(data, predictedEnergyUsage,
            predictedApplianceStateTransitions, database.getEnergyCost(energyMonitor));

    String dataJS = new GsonBuilder().registerTypeAdapter(EnergyTimestep.class, dateSerializer)
            .excludeFieldsWithModifiers(Modifier.STATIC).setExclusionStrategies(new ExclusionStrategy() {

                // skip logger
                public boolean shouldSkipClass(Class<?> clazz) {
                    return clazz.equals(Logger.class);
                }

                public boolean shouldSkipField(FieldAttributes fieldAttributes) {
                    // skip endTime of energytimestep
                    return (fieldAttributes.getName().equals("endTime")
                            && fieldAttributes.getDeclaringClass() == EnergyTimestep.class) ||
                    // skip userAppliance, detectionAlgorithmId of appliance state transition
                    ((fieldAttributes.getName().equals("userAppliance")
                            || fieldAttributes.getName().equals("detectionAlgorithmId"))
                            && fieldAttributes.getDeclaringClass() == ApplianceStateTransition.class);
                }
            }).create().toJson(energyWrapper);

    response.getWriter().write(dataJS);

    // set appropriate JSON response type
    response.setContentType("application/json");
}

---

From source file:io.barracks.ota.client.Utils.java

License:Apache License

public static Gson getRobolectricGson(GsonBuilder builder) {
    return builder.setExclusionStrategies(new ExclusionStrategy() {
        @Override//from  www.j a  v  a2s . co  m
        public boolean shouldSkipField(FieldAttributes f) {
            return "__robo_data__".equals(f.getName());
        }

        @Override
        public boolean shouldSkipClass(Class<?> clazz) {
            return false;
        }
    }).create();
}

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