/**
* BlueCove - Java library for Bluetooth
* Copyright (C) 2007-2009 Vlad Skarzhevskyy
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
* @author vlads
* @version $Id$
*/
package com.intel.bluetooth.obex;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.obex.HeaderSet;
import javax.obex.ResponseCodes;
import com.intel.bluetooth.DebugLog;
class OBEXServerOperationGet extends OBEXServerOperation implements OBEXOperationDelivery, OBEXOperationReceive {
protected OBEXServerOperationGet(OBEXServerSessionImpl session, OBEXHeaderSetImpl receivedHeaders,
boolean finalPacket) throws IOException {
super(session, receivedHeaders);
if (finalPacket) {
requestEnded = true;
finalPacketReceived = true;
}
this.inputStream = new OBEXOperationInputStream(this);
processIncommingData(receivedHeaders, finalPacket);
}
/*
* (non-Javadoc)
*
* @see javax.microedition.io.InputConnection#openInputStream()
*/
public InputStream openInputStream() throws IOException {
if (isClosed) {
throw new IOException("operation closed");
}
if (inputStreamOpened) {
throw new IOException("input stream already open");
}
this.inputStreamOpened = true;
return this.inputStream;
}
/*
* (non-Javadoc)
*
* @see javax.microedition.io.OutputConnection#openOutputStream()
*/
public OutputStream openOutputStream() throws IOException {
if (isClosed) {
throw new IOException("operation closed");
}
if (outputStream != null) {
throw new IOException("output stream already open");
}
requestEnded = true;
outputStream = new OBEXOperationOutputStream(session.mtu, this);
session.writePacket(OBEXOperationCodes.OBEX_RESPONSE_CONTINUE, sendHeaders);
sendHeaders = null;
return outputStream;
}
/*
* (non-Javadoc)
*
* @see javax.microedition.io.Connection#close()
*/
public void close() throws IOException {
if (outputStream != null) {
outputStream.close();
outputStream = null;
}
inputStream.close();
super.close();
}
protected boolean readRequestPacket() throws IOException {
byte[] b = session.readPacket();
int opcode = b[0] & 0xFF;
boolean finalPacket = ((opcode & OBEXOperationCodes.FINAL_BIT) != 0);
if (finalPacket) {
DebugLog.debug("server operation got final packet");
finalPacketReceived = true;
}
switch (opcode) {
case OBEXOperationCodes.GET_FINAL:
case OBEXOperationCodes.GET:
if (finalPacket) {
requestEnded = true;
}
HeaderSet requestHeaders = OBEXHeaderSetImpl.readHeaders(b[0], b, 3);
OBEXHeaderSetImpl.appendHeaders(this.receivedHeaders, requestHeaders);
processIncommingData(requestHeaders, finalPacket);
break;
case OBEXOperationCodes.ABORT:
processAbort();
break;
default:
errorReceived = true;
DebugLog.debug0x("server operation invalid request", OBEXUtils.toStringObexResponseCodes(opcode), opcode);
session.writePacket(ResponseCodes.OBEX_HTTP_BAD_REQUEST, null);
}
return finalPacket;
}
/*
* (non-Javadoc)
*
* @see com.intel.bluetooth.obex.OBEXOperationReceive#receiveData(com.intel.bluetooth.obex.OBEXOperationInputStream)
*/
public void receiveData(OBEXOperationInputStream is) throws IOException {
if (requestEnded || errorReceived) {
this.inputStream.appendData(null, true);
return;
}
DebugLog.debug("server operation reply continue");
session.writePacket(OBEXOperationCodes.OBEX_RESPONSE_CONTINUE, sendHeaders);
sendHeaders = null;
readRequestPacket();
}
/*
* (non-Javadoc)
*
* @see com.intel.bluetooth.obex.OBEXOperationDelivery#deliverPacket(boolean, byte[])
*/
public void deliverPacket(boolean finalPacket, byte[] buffer) throws IOException {
if (session.requestSent) {
// TODO Consider moving readRequestPacket() to the begging of the function
readRequestPacket();
if (session.requestSent) {
throw new IOException("Client not requesting data");
}
}
OBEXHeaderSetImpl dataHeaders = OBEXSessionBase.createOBEXHeaderSetImpl();
int opcode = OBEXOperationCodes.OBEX_RESPONSE_CONTINUE;
int dataHeaderID = OBEXHeaderSetImpl.OBEX_HDR_BODY;
if (finalPacket) {
// opcode = OBEXOperationCodes.OBEX_RESPONSE_SUCCESS;
dataHeaderID = OBEXHeaderSetImpl.OBEX_HDR_BODY_END;
}
dataHeaders.setHeader(dataHeaderID, buffer);
if (sendHeaders != null) {
OBEXHeaderSetImpl.appendHeaders(dataHeaders, sendHeaders);
sendHeaders = null;
}
session.writePacket(opcode, dataHeaders);
readRequestPacket();
}
private void processAbort() throws IOException {
// TODO proper abort + UnitTests
finalPacketReceived = true;
requestEnded = true;
isAborted = true;
session.writePacket(OBEXOperationCodes.OBEX_RESPONSE_SUCCESS, null);
throw new IOException("Operation aborted");
}
}