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/*
* Copyright (C) 2010 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.
*/
/**
* File : P2PInitiator.java
* Original-Author : Trusted Logic S.A. (Daniel Tomas)
*/
package com.trustedlogic.trustednfc.android;
import java.io.IOException;
import com.trustedlogic.trustednfc.android.internal.ErrorCodes;
import android.os.RemoteException;
import android.util.Log;
/**
* P2pInitiator represents the initiator in an NFC-IP1 peer-to-peer
* communication.
*
* @see P2pTarget
* @since AA02.01
* @hide
*/
public class P2pInitiator extends P2pDevice {
private static final String TAG = "P2pInitiator";
/**
* The entry point for P2P tag operations.
* @hide
*/
private IP2pInitiator mService;
/**
* Internal constructor for the P2pInitiator class.
*
* @param handle The handle returned by the NFC service and used to identify
* the tag in subsequent calls.
*
* @hide
*/
P2pInitiator(IP2pInitiator service, int handle) {
this.mService = service;
this.mHandle = handle;
}
/**
* Receives data from a P2pInitiator.
*
* @return data sent by the P2pInitiator.
* @throws IOException if the target has been lost or if the connection has
* been closed.
*/
public byte[] receive() throws IOException {
try {
byte[] result = mService.receive(mHandle);
if (result == null) {
throw new IOException("Tag has been lost");
}
return result;
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in receive(): ", e);
return null;
}
}
/**
* Sends data to a P2pInitiator.
*
* @param data data to be sent to the P2pInitiator.
* @throws IOException if the target has been lost or if the connection has
* been closed.
*/
public void send(byte[] data) throws IOException {
try {
boolean isSuccess = mService.send(mHandle, data);
if (!isSuccess) {
throw new IOException("Tag has been lost");
}
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in send(): ", e);
}
}
@Override
public byte[] getGeneralBytes() {
try {
return mService.getGeneralBytes(mHandle);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in getGeneralBytes(): ", e);
return null;
}
}
@Override
public int getMode() {
return P2pDevice.MODE_P2P_INITIATOR;
}
}
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