AospGattCharacteristic.java

// vim: et sw=4 sts=4 tabstop=4
/*
 * 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.issc.impl.aosp;

import com.issc.Bluebit;
import com.issc.gatt.GattCharacteristic;
import com.issc.gatt.GattDescriptor;
import com.issc.gatt.GattService;
import com.issc.util.Log;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;

public class AospGattCharacteristic implements GattCharacteristic {

    private BluetoothGattCharacteristic mChr;
    private List<GattDescriptor> mDscIfs;      // interfaces

    public AospGattCharacteristic(BluetoothGattCharacteristic chr) {
        mChr = chr;
        mDscIfs = new ArrayList<GattDescriptor>();
    }

    @Override
    public Object getImpl() {
        return mChr;
    }

    @Override
    public GattService getService() {
        return new AospGattService(mChr.getService());
    }

    @Override
    public GattDescriptor getDescriptor(UUID uuid) {
        return new AospGattDescriptor(mChr.getDescriptor(uuid));
    }

    @Override
    public List<GattDescriptor> getDescriptors() {
        mDscIfs.clear();

        /* Always reflect to the real implementation, we should not hold any cache.
         * So the returned GattDescriptors always hold the BluetoothGattDescriptor
         * from this GattCharacteristic. */
        List<BluetoothGattDescriptor> dscs = mChr.getDescriptors();
        for (BluetoothGattDescriptor dsc: dscs) {
            mDscIfs.add(new AospGattDescriptor(dsc));
        }
        return mDscIfs;
    }

    @Override
    public Integer getIntValue(int type, int offset) {
        return mChr.getIntValue(type, offset);
    }

    @Override
    public int getPermissions() {
        return mChr.getPermissions();
    }

    @Override
    public int getProperties() {
        return mChr.getProperties();
    }

    @Override
    public UUID getUuid() {
        return mChr.getUuid();
    }

    @Override
    public byte[] getValue() {
        return mChr.getValue();
    }

    @Override
    public boolean setValue(byte[] value) {
        return mChr.setValue(value);
    }

    @Override
    public void setWriteType(int writeType) {
        if (writeType == WRITE_TYPE_NO_RESPONSE) {
            mChr.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE);
        } else {
            mChr.setWriteType(BluetoothGattCharacteristic.WRITE_TYPE_DEFAULT);
        }
    }
}