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Sending path through Java NiO


Is Java “pass-by-reference” or “pass-by-value”?How do I efficiently iterate over each entry in a Java Map?Does a finally block always get executed in Java?What is the difference between public, protected, package-private and private in Java?How do I read / convert an InputStream into a String in Java?When to use LinkedList over ArrayList in Java?How do I generate random integers within a specific range in Java?Iterate through a HashMapHow do I convert a String to an int in Java?Creating a memory leak with Java






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1















I am programming a server and a client, the client will send a file to the server, however, I need to send the file name together, so that the server recognizes and write the file with the name sent by the client. Currently it does not send the file name, so I must inform the server of the file name and its path where it will be saved.
Is it possible to send the file name and path that will be saved to the file?
And if it is possible, what code snippet should I use to be able to point out such information?
If Anyone can help me, I really appreciate it.



client side



public class FileSenderClient 
private void sendFile(SocketChannel socketChannel) throws IOException
Path path = Paths.get("C:\SIS\database.FDB");\ path to file
FileChannel inChannel = FileChannel.open(path);

ByteBuffer buffer = ByteBuffer.allocate(1024);
while (inChannel.read(buffer) > 0)
buffer.flip();
socketChannel.write(buffer);
buffer.clear();

socketChannel.close();

private SocketChannel CreateChannel() throws IOException

SocketChannel socketChannel = SocketChannel.open();
socketChannel.configureBlocking(true);
SocketAddress sockAddr = new InetSocketAddress("localhost", 9000);
socketChannel.connect(sockAddr);
return socketChannel;

public static void main(String[] args) throws IOException
FileSenderClient client = new FileSenderClient();
SocketChannel socketChannel = client.CreateChannel();
client.sendFile(socketChannel);




server side



public class FileReceiver 

private void readFileFromSocketChannel(SocketChannel socketChannel) throws IOException

Path path = Paths.get("C:\Data\database.FDB"); - here i need to receive
the name from the class FileSenderClient
FileChannel fileChannel = FileChannel.open(path,
EnumSet.of(StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING,
StandardOpenOption.WRITE)
);
//Allocate a ByteBuffer
ByteBuffer buffer = ByteBuffer.allocate(1024);
while (socketChannel.read(buffer) > 0)
buffer.flip();
fileChannel.write(buffer);
buffer.clear();

fileChannel.close();
System.out.println("Receving file successfully!");
socketChannel.close();


private SocketChannel createServerSocketChannel() throws IOException
ServerSocketChannel serverSocket = null;
SocketChannel client = null;
serverSocket = ServerSocketChannel.open();
serverSocket.socket().bind(new InetSocketAddress(9000));
client = serverSocket.accept();

System.out.println("connection established .." + client.getRemoteAddress());
return client;



public static void main(String[] args) throws IOException
FileReceiver server = new FileReceiver();
SocketChannel socketChannel = server.createServerSocketChannel();
server.readFileFromSocketChannel(socketChannel);














share|improve this question
























  • There are dozens of ways to do this. However, they all require you to have a good grip on "Java Sockets". Judging from the way you posed your question, most of this code is copied and pasted from somewhere else, making it hard for you to understand the basic mechanism on which your server works.

    – Dylan
    Mar 26 at 18:41

















1















I am programming a server and a client, the client will send a file to the server, however, I need to send the file name together, so that the server recognizes and write the file with the name sent by the client. Currently it does not send the file name, so I must inform the server of the file name and its path where it will be saved.
Is it possible to send the file name and path that will be saved to the file?
And if it is possible, what code snippet should I use to be able to point out such information?
If Anyone can help me, I really appreciate it.



client side



public class FileSenderClient 
private void sendFile(SocketChannel socketChannel) throws IOException
Path path = Paths.get("C:\SIS\database.FDB");\ path to file
FileChannel inChannel = FileChannel.open(path);

ByteBuffer buffer = ByteBuffer.allocate(1024);
while (inChannel.read(buffer) > 0)
buffer.flip();
socketChannel.write(buffer);
buffer.clear();

socketChannel.close();

private SocketChannel CreateChannel() throws IOException

SocketChannel socketChannel = SocketChannel.open();
socketChannel.configureBlocking(true);
SocketAddress sockAddr = new InetSocketAddress("localhost", 9000);
socketChannel.connect(sockAddr);
return socketChannel;

public static void main(String[] args) throws IOException
FileSenderClient client = new FileSenderClient();
SocketChannel socketChannel = client.CreateChannel();
client.sendFile(socketChannel);




server side



public class FileReceiver 

private void readFileFromSocketChannel(SocketChannel socketChannel) throws IOException

Path path = Paths.get("C:\Data\database.FDB"); - here i need to receive
the name from the class FileSenderClient
FileChannel fileChannel = FileChannel.open(path,
EnumSet.of(StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING,
StandardOpenOption.WRITE)
);
//Allocate a ByteBuffer
ByteBuffer buffer = ByteBuffer.allocate(1024);
while (socketChannel.read(buffer) > 0)
buffer.flip();
fileChannel.write(buffer);
buffer.clear();

fileChannel.close();
System.out.println("Receving file successfully!");
socketChannel.close();


private SocketChannel createServerSocketChannel() throws IOException
ServerSocketChannel serverSocket = null;
SocketChannel client = null;
serverSocket = ServerSocketChannel.open();
serverSocket.socket().bind(new InetSocketAddress(9000));
client = serverSocket.accept();

System.out.println("connection established .." + client.getRemoteAddress());
return client;



public static void main(String[] args) throws IOException
FileReceiver server = new FileReceiver();
SocketChannel socketChannel = server.createServerSocketChannel();
server.readFileFromSocketChannel(socketChannel);














share|improve this question
























  • There are dozens of ways to do this. However, they all require you to have a good grip on "Java Sockets". Judging from the way you posed your question, most of this code is copied and pasted from somewhere else, making it hard for you to understand the basic mechanism on which your server works.

    – Dylan
    Mar 26 at 18:41













1












1








1








I am programming a server and a client, the client will send a file to the server, however, I need to send the file name together, so that the server recognizes and write the file with the name sent by the client. Currently it does not send the file name, so I must inform the server of the file name and its path where it will be saved.
Is it possible to send the file name and path that will be saved to the file?
And if it is possible, what code snippet should I use to be able to point out such information?
If Anyone can help me, I really appreciate it.



client side



public class FileSenderClient 
private void sendFile(SocketChannel socketChannel) throws IOException
Path path = Paths.get("C:\SIS\database.FDB");\ path to file
FileChannel inChannel = FileChannel.open(path);

ByteBuffer buffer = ByteBuffer.allocate(1024);
while (inChannel.read(buffer) > 0)
buffer.flip();
socketChannel.write(buffer);
buffer.clear();

socketChannel.close();

private SocketChannel CreateChannel() throws IOException

SocketChannel socketChannel = SocketChannel.open();
socketChannel.configureBlocking(true);
SocketAddress sockAddr = new InetSocketAddress("localhost", 9000);
socketChannel.connect(sockAddr);
return socketChannel;

public static void main(String[] args) throws IOException
FileSenderClient client = new FileSenderClient();
SocketChannel socketChannel = client.CreateChannel();
client.sendFile(socketChannel);




server side



public class FileReceiver 

private void readFileFromSocketChannel(SocketChannel socketChannel) throws IOException

Path path = Paths.get("C:\Data\database.FDB"); - here i need to receive
the name from the class FileSenderClient
FileChannel fileChannel = FileChannel.open(path,
EnumSet.of(StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING,
StandardOpenOption.WRITE)
);
//Allocate a ByteBuffer
ByteBuffer buffer = ByteBuffer.allocate(1024);
while (socketChannel.read(buffer) > 0)
buffer.flip();
fileChannel.write(buffer);
buffer.clear();

fileChannel.close();
System.out.println("Receving file successfully!");
socketChannel.close();


private SocketChannel createServerSocketChannel() throws IOException
ServerSocketChannel serverSocket = null;
SocketChannel client = null;
serverSocket = ServerSocketChannel.open();
serverSocket.socket().bind(new InetSocketAddress(9000));
client = serverSocket.accept();

System.out.println("connection established .." + client.getRemoteAddress());
return client;



public static void main(String[] args) throws IOException
FileReceiver server = new FileReceiver();
SocketChannel socketChannel = server.createServerSocketChannel();
server.readFileFromSocketChannel(socketChannel);














share|improve this question
















I am programming a server and a client, the client will send a file to the server, however, I need to send the file name together, so that the server recognizes and write the file with the name sent by the client. Currently it does not send the file name, so I must inform the server of the file name and its path where it will be saved.
Is it possible to send the file name and path that will be saved to the file?
And if it is possible, what code snippet should I use to be able to point out such information?
If Anyone can help me, I really appreciate it.



client side



public class FileSenderClient 
private void sendFile(SocketChannel socketChannel) throws IOException
Path path = Paths.get("C:\SIS\database.FDB");\ path to file
FileChannel inChannel = FileChannel.open(path);

ByteBuffer buffer = ByteBuffer.allocate(1024);
while (inChannel.read(buffer) > 0)
buffer.flip();
socketChannel.write(buffer);
buffer.clear();

socketChannel.close();

private SocketChannel CreateChannel() throws IOException

SocketChannel socketChannel = SocketChannel.open();
socketChannel.configureBlocking(true);
SocketAddress sockAddr = new InetSocketAddress("localhost", 9000);
socketChannel.connect(sockAddr);
return socketChannel;

public static void main(String[] args) throws IOException
FileSenderClient client = new FileSenderClient();
SocketChannel socketChannel = client.CreateChannel();
client.sendFile(socketChannel);




server side



public class FileReceiver 

private void readFileFromSocketChannel(SocketChannel socketChannel) throws IOException

Path path = Paths.get("C:\Data\database.FDB"); - here i need to receive
the name from the class FileSenderClient
FileChannel fileChannel = FileChannel.open(path,
EnumSet.of(StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING,
StandardOpenOption.WRITE)
);
//Allocate a ByteBuffer
ByteBuffer buffer = ByteBuffer.allocate(1024);
while (socketChannel.read(buffer) > 0)
buffer.flip();
fileChannel.write(buffer);
buffer.clear();

fileChannel.close();
System.out.println("Receving file successfully!");
socketChannel.close();


private SocketChannel createServerSocketChannel() throws IOException
ServerSocketChannel serverSocket = null;
SocketChannel client = null;
serverSocket = ServerSocketChannel.open();
serverSocket.socket().bind(new InetSocketAddress(9000));
client = serverSocket.accept();

System.out.println("connection established .." + client.getRemoteAddress());
return client;



public static void main(String[] args) throws IOException
FileReceiver server = new FileReceiver();
SocketChannel socketChannel = server.createServerSocketChannel();
server.readFileFromSocketChannel(socketChannel);











java sockets nio






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Mar 26 at 18:36







Bruno Manica

















asked Mar 26 at 18:20









Bruno ManicaBruno Manica

62 bronze badges




62 bronze badges












  • There are dozens of ways to do this. However, they all require you to have a good grip on "Java Sockets". Judging from the way you posed your question, most of this code is copied and pasted from somewhere else, making it hard for you to understand the basic mechanism on which your server works.

    – Dylan
    Mar 26 at 18:41

















  • There are dozens of ways to do this. However, they all require you to have a good grip on "Java Sockets". Judging from the way you posed your question, most of this code is copied and pasted from somewhere else, making it hard for you to understand the basic mechanism on which your server works.

    – Dylan
    Mar 26 at 18:41
















There are dozens of ways to do this. However, they all require you to have a good grip on "Java Sockets". Judging from the way you posed your question, most of this code is copied and pasted from somewhere else, making it hard for you to understand the basic mechanism on which your server works.

– Dylan
Mar 26 at 18:41





There are dozens of ways to do this. However, they all require you to have a good grip on "Java Sockets". Judging from the way you posed your question, most of this code is copied and pasted from somewhere else, making it hard for you to understand the basic mechanism on which your server works.

– Dylan
Mar 26 at 18:41












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