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/**
* 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.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

import javax.obex.HeaderSet;
import javax.obex.Operation;
import javax.obex.ResponseCodes;

import com.intel.bluetooth.DebugLog;

abstract class OBEXServerOperation implements Operation, OBEXOperation {

protected OBEXServerSessionImpl session;

protected HeaderSet receivedHeaders;

protected OBEXHeaderSetImpl sendHeaders;

protected boolean isClosed = false;

protected boolean isAborted = false;

protected boolean finalPacketReceived = false;

protected boolean requestEnded = false;

protected boolean errorReceived = false;

protected boolean incommingDataReceived = false;

protected OBEXOperationOutputStream outputStream;

protected boolean outputStreamOpened = false;

protected OBEXOperationInputStream inputStream;

protected boolean inputStreamOpened = false;

protected OBEXServerOperation(OBEXServerSessionImpl session, OBEXHeaderSetImpl receivedHeaders) throws IOException {
this.session = session;
this.receivedHeaders = receivedHeaders;
if (receivedHeaders.hasAuthenticationChallenge()) {
sendHeaders = OBEXSessionBase.createOBEXHeaderSetImpl();
this.session.handleAuthenticationChallenge(receivedHeaders, sendHeaders);
}
}

boolean exchangeRequestPhasePackets() throws IOException {
session.writePacket(OBEXOperationCodes.OBEX_RESPONSE_CONTINUE, null);
return readRequestPacket();
}

protected abstract boolean readRequestPacket() throws IOException;

void writeResponse(int responseCode) throws IOException {
DebugLog.debug0x("server operation reply final", responseCode);
session.writePacket(responseCode, sendHeaders);
sendHeaders = null;
if (responseCode == ResponseCodes.OBEX_HTTP_OK) {
while ((!finalPacketReceived) && (!session.isClosed())) {
DebugLog.debug("server waits to receive final packet");
readRequestPacket();
if (!errorReceived) {
session.writePacket(responseCode, null);
}
}
} else {
DebugLog.debug("sent final reply");
}
}

protected void processIncommingData(HeaderSet dataHeaders, boolean eof) throws IOException {
// If this operation closing
if (this.inputStream == null) {
return;
}
byte[] data = (byte[]) dataHeaders.getHeader(OBEXHeaderSetImpl.OBEX_HDR_BODY);
if (data == null) {
data = (byte[]) dataHeaders.getHeader(OBEXHeaderSetImpl.OBEX_HDR_BODY_END);
if (data != null) {
eof = true;
}
}
if (data != null) {
incommingDataReceived = true;
DebugLog.debug("server received Data eof: " + eof + " len:", data.length);
inputStream.appendData(data, eof);
} else if (eof) {
inputStream.appendData(null, eof);
}
}

/*
* (non-Javadoc)
*
* @see javax.obex.Operation#abort()
*/
public void abort() throws IOException {
throw new IOException("Can't abort server operation");
}

/*
* (non-Javadoc)
*
* @see javax.obex.Operation#getReceivedHeaders()
*/
public HeaderSet getReceivedHeaders() throws IOException {
return OBEXHeaderSetImpl.cloneHeaders(receivedHeaders);
}

/*
* (non-Javadoc)
*
* @see javax.obex.Operation#getResponseCode()
*/
public int getResponseCode() throws IOException {
throw new IOException("Operation object was created by an OBEX server");
}

/*
* (non-Javadoc)
*
* @see javax.obex.Operation#sendHeaders(javax.obex.HeaderSet)
*/
public void sendHeaders(HeaderSet headers) throws IOException {
if (headers == null) {
throw new NullPointerException("headers are null");
}
OBEXHeaderSetImpl.validateCreatedHeaderSet(headers);
if (isClosed) {
throw new IOException("operation closed");
}
if (sendHeaders != null) {
OBEXHeaderSetImpl.appendHeaders(sendHeaders, headers);
} else {
sendHeaders = (OBEXHeaderSetImpl) headers;
}
}

/*
* (non-Javadoc)
*
* @see javax.microedition.io.ContentConnection#getEncoding() <code>getEncoding()</code> will always return
* <code>null</code>
*/
public String getEncoding() {
return null;
}

/*
* (non-Javadoc)
*
* @see javax.microedition.io.ContentConnection#getLength() <code>getLength()</code> will return the length
* specified by the OBEX Length header or -1 if the OBEX Length header was not included.
*/
public long getLength() {
Long len;
try {
len = (Long) receivedHeaders.getHeader(HeaderSet.LENGTH);
} catch (IOException e) {
return -1;
}
if (len == null) {
return -1;
}
return len.longValue();
}

/*
* (non-Javadoc)
*
* @see javax.microedition.io.ContentConnection#getType() <code>getType()</code> will return the value specified in
* the OBEX Type header or <code>null</code> if the OBEX Type header was not included.
*/
public String getType() {
try {
return (String) receivedHeaders.getHeader(HeaderSet.TYPE);
} catch (IOException e) {
return null;
}
}

/*
* (non-Javadoc)
*
* @see javax.microedition.io.InputConnection#openDataInputStream()
*/
public DataInputStream openDataInputStream() throws IOException {
return new DataInputStream(openInputStream());
}

/*
* (non-Javadoc)
*
* @see javax.microedition.io.OutputConnection#openDataOutputStream()
*/
public DataOutputStream openDataOutputStream() throws IOException {
return new DataOutputStream(openOutputStream());
}

/*
* (non-Javadoc)
*
* @see javax.microedition.io.Connection#close()
*/
public void close() throws IOException {
this.isClosed = true;
}

public boolean isClosed() {
return this.isClosed;
}

public boolean isIncommingDataReceived() {
return this.incommingDataReceived;
}

public boolean isErrorReceived() {
return this.errorReceived;
}
}
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Change log

r2915 by skarzhevskyy on Mar 13, 2009   Diff
Updated javadocs and Copyright
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Older revisions

r2643 by skarzhevskyy on Dec 22, 2008   Diff
Server to handle authentication
challenge in all Operations
r2640 by skarzhevskyy on Dec 22, 2008   Diff
change internal writePacket function
to accept headers
r2590 by skarzhevskyy on Dec 15, 2008   Diff
Fixed closing server put
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