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path: root/src/com/android/bluetooth/gatt/ServiceDeclaration.java
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/*
 * Copyright (C) 2013 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.bluetooth.gatt;

import android.util.Log;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;

class ServiceDeclaration {
    private static final boolean DBG = GattServiceConfig.DBG;
    private static final String TAG = GattServiceConfig.TAG_PREFIX + "ServiceDeclaration";

    public static final byte TYPE_UNDEFINED = 0;
    public static final byte TYPE_SERVICE = 1;
    public static final byte TYPE_CHARACTERISTIC = 2;
    public static final byte TYPE_DESCRIPTOR = 3;
    public static final byte TYPE_INCLUDED_SERVICE = 4;

    class Entry {
        byte type = TYPE_UNDEFINED;
        UUID uuid = null;
        int instance = 0;
        int permissions = 0;
        int properties = 0;
        int serviceType = 0;
        int serviceHandle = 0;

        Entry(UUID uuid, int serviceType, int instance) {
            this.type = TYPE_SERVICE;
            this.uuid = uuid;
            this.instance = instance;
            this.serviceType = serviceType;
        }

        Entry(UUID uuid, int properties, int permissions, int instance) {
            this.type = TYPE_CHARACTERISTIC;
            this.uuid = uuid;
            this.instance = instance;
            this.permissions = permissions;
            this.properties = properties;
        }

        Entry(UUID uuid, int permissions) {
            this.type = TYPE_DESCRIPTOR;
            this.uuid = uuid;
            this.permissions = permissions;
        }
    }

    List<Entry> mEntries = null;
    int mNumHandles = 0;

    ServiceDeclaration() {
        mEntries = new ArrayList<Entry>();
    }

    void addService(UUID uuid, int serviceType, int instance, int minHandles) {
        mEntries.add(new Entry(uuid, serviceType, instance));
        if (minHandles == 0) {
            ++mNumHandles;
        } else {
            mNumHandles = minHandles;
        }
    }

    void addIncludedService(UUID uuid, int serviceType, int instance) {
        Entry entry = new Entry(uuid, serviceType, instance);
        entry.type = TYPE_INCLUDED_SERVICE;
        mEntries.add(entry);
        ++mNumHandles;
    }

    void addCharacteristic(UUID uuid, int properties, int permissions) {
        mEntries.add(new Entry(uuid, properties, permissions, 0 /*instance*/));
        mNumHandles += 2;
    }

    void addDescriptor(UUID uuid, int permissions) {
        mEntries.add(new Entry(uuid, permissions));
        ++mNumHandles;
    }

    Entry getNext() {
        if (mEntries.isEmpty()) return null;
        Entry entry = mEntries.get(0);
        mEntries.remove(0);
        return entry;
    }

    int getNumHandles() {
        return mNumHandles;
    }
}