/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenFlexo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.netbeans.lib.cvsclient.response;
import java.io.EOFException;
import java.io.IOException;
import org.netbeans.lib.cvsclient.command.CommandException;
import org.netbeans.lib.cvsclient.event.BinaryMessageEvent;
import org.netbeans.lib.cvsclient.util.LoggedDataInputStream;
/**
* Handles binary message responses. Translate dthe reponse into BinaryMessageEvents.
*
* @author Martin Entlicher
*/
class MessageBinaryResponse implements Response {
private static final int CHUNK_SIZE = 1024 * 256; // 256Kb
public MessageBinaryResponse() {
// do nothing
}
/**
* Process the data for the response.
*
* @param dis
* the data inputstream allowing the client to read the server's response. Note that the actual response name has already
* been read and the inputstream is positioned just before the first argument, if any.
*/
@Override
public void process(LoggedDataInputStream dis, ResponseServices services) throws ResponseException {
try {
String numBytesStr = dis.readLine();
int numBytes;
try {
numBytes = Integer.parseInt(numBytesStr);
} catch (NumberFormatException nfex) {
throw new ResponseException(nfex);
}
int chunk = Math.min(numBytes, CHUNK_SIZE);
byte[] bytes = new byte[chunk];
while (numBytes > 0) {
int len = dis.read(bytes, 0, chunk);
if (len == -1) {
throw new ResponseException("EOF", CommandException.getLocalMessage("CommandException.EndOfFile", null)); // NOI18N
}
numBytes -= len;
chunk = Math.min(numBytes, CHUNK_SIZE);
BinaryMessageEvent event = new BinaryMessageEvent(this, bytes, len);
services.getEventManager().fireCVSEvent(event);
}
} catch (EOFException ex) {
throw new ResponseException(ex, CommandException.getLocalMessage("CommandException.EndOfFile", null)); // NOI18N
} catch (IOException ex) {
throw new ResponseException(ex);
}
}
/**
* Is this a terminal response, i.e. should reading of responses stop after this response. This is true for responses such as OK or an
* error response
*/
@Override
public boolean isTerminalResponse() {
return false;
}
}