95 lines
3.3 KiB
Java
95 lines
3.3 KiB
Java
// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
|
|
// Licensed under the MIT License:
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package org.capnproto;
|
|
|
|
import java.io.IOException;
|
|
import java.nio.ByteBuffer;
|
|
import java.nio.channels.WritableByteChannel;
|
|
|
|
public final class BufferedOutputStreamWrapper implements BufferedOutputStream {
|
|
|
|
private final WritableByteChannel inner;
|
|
private final ByteBuffer buf;
|
|
|
|
public BufferedOutputStreamWrapper(WritableByteChannel w) {
|
|
this.inner = w;
|
|
this.buf = ByteBuffer.allocate(8192);
|
|
}
|
|
|
|
public final int write(ByteBuffer src) throws IOException {
|
|
int available = this.buf.remaining();
|
|
int size = src.remaining();
|
|
if (size <= available) {
|
|
this.buf.put(src);
|
|
} else if (size <= this.buf.capacity()) {
|
|
//# Too much for this buffer, but not a full buffer's worth,
|
|
//# so we'll go ahead and copy.
|
|
ByteBuffer slice = src.slice();
|
|
slice.limit(available);
|
|
this.buf.put(slice);
|
|
|
|
this.buf.rewind();
|
|
while(this.buf.hasRemaining()) {
|
|
this.inner.write(this.buf);
|
|
}
|
|
this.buf.rewind();
|
|
|
|
src.position(src.position() + available);
|
|
this.buf.put(src);
|
|
} else {
|
|
//# Writing so much data that we might as well write
|
|
//# directly to avoid a copy.
|
|
|
|
int pos = this.buf.position();
|
|
this.buf.rewind();
|
|
ByteBuffer slice = this.buf.slice();
|
|
slice.limit(pos);
|
|
while (slice.hasRemaining()) {
|
|
this.inner.write(slice);
|
|
}
|
|
while (src.hasRemaining()) {
|
|
this.inner.write(src);
|
|
}
|
|
}
|
|
return size;
|
|
}
|
|
|
|
public final ByteBuffer getWriteBuffer() {
|
|
return this.buf;
|
|
}
|
|
|
|
public final void close() throws IOException {
|
|
this.inner.close();
|
|
}
|
|
|
|
public final boolean isOpen() {
|
|
return this.inner.isOpen();
|
|
}
|
|
|
|
public final void flush() throws IOException {
|
|
int pos = this.buf.position();
|
|
this.buf.rewind();
|
|
this.buf.limit(pos);
|
|
this.inner.write(this.buf);
|
|
this.buf.clear();
|
|
}
|
|
}
|