Java ObjectModel类代码示例

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
public ResourceModel getResourceModelInfo(String path){
  	ResourceModel mModel = null;
  	try{
  		String[] path_arr = path.split("/");
  		if(path_arr.length == 5){
   		int object_id = Integer.parseInt(path_arr[2]);
   		int resource_id = Integer.parseInt(path_arr[4]);
   		
    	LwM2mModel model = lwServer.getModelProvider().getObjectModel(null);
    	ObjectModel[] allmodels = model.getObjectModels().toArray(new ObjectModel[] {});
    	for(int i = 0; i < allmodels.length; i++){
    		
    		if(object_id == allmodels[i].id){
    			mModel = allmodels[i].resources.get(resource_id);
    			break;
    		}
    	}
  		}
  	}catch (Exception e) {
	// TODO: handle exception
}
  	return mModel;
  }
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
@Override
public JsonElement serialize(ObjectModel object, Type typeOfSrc, JsonSerializationContext context) {
    JsonObject element = new JsonObject();

    // sort resources value
    List<ResourceModel> resourceSpecs = new ArrayList<ResourceModel>(object.resources.values());
    Collections.sort(resourceSpecs, new Comparator<ResourceModel>() {
        @Override
        public int compare(ResourceModel r1, ResourceModel r2) {
            return r1.id - r2.id;
        }
    });

    // serialize fields
    element.addProperty("name", object.name);
    element.addProperty("id", object.id);
    element.addProperty("instancetype", object.multiple ? "multiple" : "single");
    element.addProperty("mandatory", object.mandatory);
    element.addProperty("description", object.description);
    element.add("resourcedefs", context.serialize(resourceSpecs));

    return element;
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
@Override
public ObjectModel deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {
    if (json == null)
        return null;

    if (!json.isJsonObject())
        return null;

    JsonObject jsonObject = json.getAsJsonObject();
    if (!jsonObject.has("id"))
        return null;

    int id = jsonObject.get("id").getAsInt();
    String name = jsonObject.get("name").getAsString();
    String instancetype = jsonObject.get("instancetype").getAsString();
    boolean mandatory = jsonObject.get("mandatory").getAsBoolean();
    String description = jsonObject.get("description").getAsString();
    ResourceModel[] resourceSpecs = context.deserialize(jsonObject.get("resourcedefs"), ResourceModel[].class);

    return new ObjectModel(id, name, description, "multiple".equals(instancetype), mandatory, resourceSpecs);
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
protected LwM2mInstanceEnablerFactory getFactoryFor(ObjectModel objectModel) {
    // if we have a factory for this object id, return it
    LwM2mInstanceEnablerFactory instanceFactory = factories.get(objectModel.id);
    if (instanceFactory != null)
        return instanceFactory;

    // if there are no factory for this object check in instance list.
    LwM2mInstanceEnabler[] instances = this.instances.get(objectModel.id);
    if (instances != null) {
        for (LwM2mInstanceEnabler instance : instances) {
            // check if the class of this instance has a default constructors;
            try {
                Class<? extends LwM2mInstanceEnabler> clazz = instance.getClass();
                clazz.getConstructor();
                return getClassFactory(clazz);
            } catch (NoSuchMethodException e) {
                // no default constructor.
            }
        }
    }
    // default class :
    return defaultFactory;
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
protected List<ObjectModel> createObjectModels() {
    // load default object from the spec
    List<ObjectModel> objectModels = ObjectLoader.loadDefault();
    // define custom model for testing purpose
    ResourceModel stringfield = new ResourceModel(STRING_RESOURCE_ID, "stringres", Operations.RW, false, false,
            Type.STRING, null, null, null);
    ResourceModel booleanfield = new ResourceModel(BOOLEAN_RESOURCE_ID, "booleanres", Operations.RW, false, false,
            Type.BOOLEAN, null, null, null);
    ResourceModel integerfield = new ResourceModel(INTEGER_RESOURCE_ID, "integerres", Operations.RW, false, false,
            Type.INTEGER, null, null, null);
    ResourceModel floatfield = new ResourceModel(FLOAT_RESOURCE_ID, "floatres", Operations.RW, false, false,
            Type.FLOAT, null, null, null);
    ResourceModel timefield = new ResourceModel(TIME_RESOURCE_ID, "timeres", Operations.RW, false, false, Type.TIME,
            null, null, null);
    ResourceModel opaquefield = new ResourceModel(OPAQUE_RESOURCE_ID, "opaque", Operations.RW, false, false,
            Type.OPAQUE, null, null, null);
    ResourceModel objlnkfield = new ResourceModel(OBJLNK_MULTI_INSTANCE_RESOURCE_ID, "objlnk", Operations.RW, true,
            false, Type.OBJLNK, null, null, null);
    ResourceModel objlnkSinglefield = new ResourceModel(OBJLNK_SINGLE_INSTANCE_RESOURCE_ID, "objlnk", Operations.RW,
            false, false, Type.OBJLNK, null, null, null);
    objectModels.add(new ObjectModel(TEST_OBJECT_ID, "testobject", null, ObjectModel.DEFAULT_VERSION, false, false,
            stringfield, booleanfield, integerfield, floatfield, timefield, opaquefield, objlnkfield,
            objlnkSinglefield));

    return objectModels;
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
@Override
public ObjectModel deserialize(JsonObject o) {
    if (o == null)
        return null;

    if (!o.isObject())
        return null;

    int id = o.getInt("id", -1);
    if (id < 0)
        return null;

    String name = o.getString("name", null);
    String instancetype = o.getString("instancetype", null);
    boolean mandatory = o.getBoolean("mandatory", false);
    String description = o.getString("description", null);
    String version = o.getString("version", ObjectModel.DEFAULT_VERSION);
    List<ResourceModel> resourceSpecs = resourceModelSerDes.deserialize(o.get("resourcedefs").asArray());

    return new ObjectModel(id, name, description, version, "multiple".equals(instancetype), mandatory,
            resourceSpecs);
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
@Test
public void des_ser_must_be_equals() throws IOException {
    // load file
    InputStream inputStream = ObjectModelSerDesTest.class.getResourceAsStream("/model.json");
    ByteArrayOutputStream result = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int length;
    while ((length = inputStream.read(buffer)) != -1) {
        result.write(buffer, 0, length);
    }
    String smodel = result.toString("UTF-8");

    // deserialize
    ObjectModelSerDes serDes = new ObjectModelSerDes();
    JsonValue json = Json.parse(smodel);
    List<ObjectModel> models = serDes.deserialize(json.asArray());

    // serialize
    JsonArray arr = serDes.jSerialize(models);
    String res = arr.toString(WriterConfig.PRETTY_PRINT);

    Assert.assertEquals("value should be equals", smodel, res);
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
public ObjectSpecServlet(LwM2mModelProvider pModelProvider) {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.registerTypeHierarchyAdapter(ObjectModel.class, new ObjectModelSerializer());
    gsonBuilder.registerTypeHierarchyAdapter(ResourceModel.class, new ResourceModelSerializer());
    this.gson = gsonBuilder.create();

    // use the provider from the server and return a model by client
    modelProvider = pModelProvider;
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    if (req.getPathInfo() == null) {
        LwM2mModel model = modelProvider.getObjectModel(null);

        String json = this.gson.toJson(model.getObjectModels().toArray(new ObjectModel[] {}));
        System.out.println(json);
        resp.setContentType("application/json");
        resp.getOutputStream().write(json.getBytes(StandardCharsets.UTF_8));
        resp.setStatus(HttpServletResponse.SC_OK);
        return;
    }
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
@Override
public void visit(LwM2mObject object) {
    LOG.trace("Encoding object {} into TLV", object);

    Tlv[] tlvs = null;

    ObjectModel objectModel = model.getObjectModel(object.getId());
    if (objectModel != null && !objectModel.multiple) {
        // single instance object, the instance is level is not needed
        tlvs = encodeResources(object.getInstance(0).getResources().values());
    } else {
        // encoded as an array of instances
        tlvs = new Tlv[object.getInstances().size()];
        int i = 0;
        for (Entry<Integer, LwM2mObjectInstance> instance : object.getInstances().entrySet()) {
            Tlv[] resources = encodeResources(instance.getValue().getResources().values());
            tlvs[i] = new Tlv(TlvType.OBJECT_INSTANCE, resources, null, instance.getKey());
            i++;
        }
    }

    try {
        out.write(TlvEncoder.encode(tlvs).array());
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    if (req.getPathInfo() == null) {
        LwM2mModel model = modelProvider.getObjectModel(null);

        String json = this.gson.toJson(model.getObjectModels().toArray(new ObjectModel[] {}));
        resp.setContentType("application/json");
        resp.getOutputStream().write(json.getBytes("UTF-8"));
        resp.setStatus(HttpServletResponse.SC_OK);
        return;
    }
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
public ObjectEnabler(int id, ObjectModel objectModel, Map<Integer, LwM2mInstanceEnabler> instances,
        LwM2mInstanceEnablerFactory instanceFactory) {
    super(id, objectModel);
    this.instances = new HashMap<>(instances);
    this.instanceFactory = instanceFactory;
    for (Entry<Integer, LwM2mInstanceEnabler> entry : this.instances.entrySet()) {
        addInstance(entry.getKey(), entry.getValue());
    }
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
public void setInstancesForObject(int objectId, LwM2mInstanceEnabler... instances) {
    ObjectModel objectModel = model.getObjectModel(objectId);
    if (objectModel == null) {
        throw new IllegalArgumentException(
                "Cannot set Instances Class for Object " + objectId + " because no model is defined for this id.");
    }
    Validate.notNull(instances);
    Validate.notEmpty(instances);

    if (instances.length > 1 && !objectModel.multiple)
        throw new IllegalArgumentException("Cannot set more than one instance for the single Object " + objectId);

    this.instances.put(objectId, instances);
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
public List<LwM2mObjectEnabler> createMandatory() {
    Collection<ObjectModel> objectModels = model.getObjectModels();

    List<LwM2mObjectEnabler> enablers = new ArrayList<>();
    for (ObjectModel objectModel : objectModels) {
        if (objectModel.mandatory) {
            ObjectEnabler objectEnabler = createNodeEnabler(objectModel);
            if (objectEnabler != null)
                enablers.add(objectEnabler);
        }
    }
    return enablers;
}
 

import org.eclipse.leshan.core.model.ObjectModel; //导入依赖的package包/类
public LwM2mObjectEnabler create(int objectId) {
    ObjectModel objectModel = model.getObjectModel(objectId);
    if (objectModel == null) {
        throw new IllegalArgumentException(
                "Cannot create object for id " + objectId + " because no model is defined for this id.");
    }
    return createNodeEnabler(objectModel);
}