Android Open Source - BusWear Wear Bus Tools

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License

The source code is released under:

Apache License

Java Source Code

package pl.tajchert.buswear.wear;
/*www.  ja va  2  s  . com*/

import android.os.Parcel;
import android.os.Parcelable;
import android.util.Log;

import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;

import pl.tajchert.buswear.NoSubscriberEvent;

public class WearBusTools {
    public static final String BUSWEAR_TAG = "BusWearTag";
    public final static String MESSAGE_PATH = "pl.tajchert.buswear.event.";
    public final static String MESSAGE_PATH_STICKY = "pl.tajchert.buswear.stickyevent.";
    public final static String MESSAGE_PATH_COMMAND = "pl.tajchert.buswear.command.";

    //Commands
    public final static String ACTION_STICKY_CLEAR_ALL = "pl.tajchert.buswear.clearall";
    //Other commands to remove object of some class of particular one, are created by adding "class." or "event." dynamically to MESSAGE_PATH_COMMAND

    public static final long CONNECTION_TIME_OUT_MS = 100;

    public static byte[] parcelToByte(Parcelable parceable) {
        Parcel parcel = Parcel.obtain();
        parceable.writeToParcel(parcel, 0);
        byte[] bytes = parcel.marshall();
        parcel.recycle();
        return bytes;
    }

    public static Parcel byteToParcel(byte[] bytes) {
        Parcel parcel = Parcel.obtain();
        parcel.unmarshall(bytes, 0, bytes.length);
        parcel.setDataPosition(0);
        return parcel;
    }

    /**
     * Internal BusWear method, using it outside of library is not supported or tested.
     * Recreates received object using classname and byte[]
     */
    public static Object getSendSimpleObject(byte[] objectArray, String className) {
        Object obj = null;
        if(className.equals("String")) {
            try {
                obj = new String(objectArray, "UTF-8");
            } catch (UnsupportedEncodingException e) {
                Log.d(WearBusTools.BUSWEAR_TAG, "syncEvent, cannot unparse event as: " + e.getMessage());
            }
        } else if(className.equals("Integer")){
            obj = ByteBuffer.wrap(objectArray).getInt();
        } else if(className.equals("Long")){
            obj = ByteBuffer.wrap(objectArray).getLong();
        } else if(className.equals("Double")){
            obj = ByteBuffer.wrap(objectArray).getDouble();
        } else if(className.equals("Float")){
            obj = ByteBuffer.wrap(objectArray).getFloat();
        } else if(className.equals("Short")){
            obj = ByteBuffer.wrap(objectArray).getShort();
        }
        return obj;
    }


    /**
     * Internal BusWear method, using it outside of library is not supported or tested.
     * Method used for parsing known objects or Parcelable one to byte[],
     * some classes are not implemented (ex. Boolean) and most likely shouldn't be
     * @param obj
     * @return
     */
    public static byte[] parseToSend(Object obj) {
        if(obj instanceof NoSubscriberEvent){
            return null;
        }
        byte[] objArray;
        if(obj instanceof String){
            try {
                objArray = ((String) obj).getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                objArray = ((String) obj).getBytes();
            }
        } else if (obj instanceof Integer) {
            objArray = ByteBuffer.allocate(4).putInt((Integer) obj).array();
        } else if (obj instanceof Long) {
            objArray = ByteBuffer.allocate(8).putLong((Long) obj).array();
        } else if (obj instanceof Float) {
            objArray = ByteBuffer.allocate(4).putFloat((Float) obj).array();
        } else if (obj instanceof Double) {
            objArray = ByteBuffer.allocate(8).putDouble((Double) obj).array();
        } else if (obj instanceof Short) {
            objArray = ByteBuffer.allocate(2).putShort((Short) obj).array();
        } else if (obj instanceof Parcelable) {
            objArray = WearBusTools.parcelToByte((Parcelable) obj);
        } else {
            throw new RuntimeException("Object needs to be Parcelable or Integer, Long, Float, Double, Short.");
        }
        return objArray;
    }
}

Java Source Code List

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