60 lines
2.1 KiB
Java

/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.nio.ch;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
/**
* Factory methods for input/output streams based on channels.
*/
public class Streams {
private Streams() { }
/**
* Return an input stream that reads bytes from the given channel.
*/
public static InputStream of(ReadableByteChannel ch) {
if (ch instanceof SocketChannelImpl sc) {
return new SocketInputStream(sc);
} else {
return new ChannelInputStream(ch);
}
}
/**
* Return an output stream that writes bytes to the given channel.
*/
public static OutputStream of(WritableByteChannel ch) {
if (ch instanceof SocketChannelImpl sc) {
return new SocketOutputStream(sc);
} else {
return new ChannelOutputStream(ch);
}
}
}