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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.bluetooth.gatt;
     18 
     19 import java.util.UUID;
     20 
     21 /**
     22  * Helper class for passing gatt db elements between java and JNI, equal to
     23  * native btgatt_db_element_t.
     24  * @hide
     25  */
     26 public class GattDbElement {
     27 
     28     public static final int TYPE_PRIMARY_SERVICE = 0;
     29     public static final int TYPE_SECONDARY_SERVICE = 1;
     30     public static final int TYPE_INCLUDED_SERVICE = 2;
     31     public static final int TYPE_CHARACTERISTIC = 3;
     32     public static final int TYPE_DESCRIPTOR = 4;
     33 
     34     public GattDbElement() {}
     35 
     36     public int id;
     37     public UUID uuid;
     38     public int type;
     39     public int attributeHandle;
     40 
     41     /*
     42      * If type is TYPE_PRIMARY_SERVICE, or TYPE_SECONDARY_SERVICE,
     43      * this contains the start and end attribute handles.
     44      */
     45     public int startHandle;
     46     public int endHandle;
     47 
     48     /*
     49      * If type is TYPE_CHARACTERISTIC, this contains the properties of
     50      * the characteristic.
     51      */
     52     public int properties;
     53     public int permissions;
     54 
     55     public static GattDbElement createPrimaryService(UUID uuid) {
     56         GattDbElement el = new GattDbElement();
     57         el.type = TYPE_PRIMARY_SERVICE;
     58         el.uuid = uuid;
     59         return el;
     60     }
     61 
     62     public static GattDbElement createSecondaryService(UUID uuid) {
     63         GattDbElement el = new GattDbElement();
     64         el.type = TYPE_SECONDARY_SERVICE;
     65         el.uuid = uuid;
     66         return el;
     67     }
     68 
     69     public static GattDbElement createCharacteristic(UUID uuid, int properties, int permissions) {
     70         GattDbElement el = new GattDbElement();
     71         el.type = TYPE_CHARACTERISTIC;
     72         el.uuid = uuid;
     73         el.properties = properties;
     74         el.permissions = permissions;
     75         return el;
     76     }
     77 
     78     public static GattDbElement createDescriptor(UUID uuid, int permissions) {
     79         GattDbElement el = new GattDbElement();
     80         el.type = TYPE_DESCRIPTOR;
     81         el.uuid = uuid;
     82         el.permissions = permissions;
     83         return el;
     84     }
     85 
     86     public static GattDbElement createIncludedService(int attributeHandle) {
     87         GattDbElement el = new GattDbElement();
     88         el.type = TYPE_INCLUDED_SERVICE;
     89         el.attributeHandle = attributeHandle;
     90         return el;
     91     }
     92 }
     93