changeset 49944 | 4690a2871b44 |
parent 49943 | 8e1ed2a15845 |
child 49945 | 9425445633cf |
--- a/src/java.net.http/share/classes/jdk/internal/net/http/common/ByteBufferReference.java Wed May 02 10:47:16 2018 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,88 +0,0 @@ -/* - * Copyright (c) 2015, 2018, 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 jdk.internal.net.http.common; - -import java.nio.ByteBuffer; -import java.util.Objects; -import java.util.function.Supplier; - -public class ByteBufferReference implements Supplier<ByteBuffer> { - - private ByteBuffer buffer; - private final ByteBufferPool pool; - - public static ByteBufferReference of(ByteBuffer buffer) { - return of(buffer, null); - } - - public static ByteBufferReference of(ByteBuffer buffer, ByteBufferPool pool) { - Objects.requireNonNull(buffer); - return new ByteBufferReference(buffer, pool); - } - - public static ByteBuffer[] toBuffers(ByteBufferReference... refs) { - ByteBuffer[] bufs = new ByteBuffer[refs.length]; - for (int i = 0; i < refs.length; i++) { - bufs[i] = refs[i].get(); - } - return bufs; - } - - public static ByteBufferReference[] toReferences(ByteBuffer... buffers) { - ByteBufferReference[] refs = new ByteBufferReference[buffers.length]; - for (int i = 0; i < buffers.length; i++) { - refs[i] = of(buffers[i]); - } - return refs; - } - - - public static void clear(ByteBufferReference[] refs) { - for(ByteBufferReference ref : refs) { - ref.clear(); - } - } - - private ByteBufferReference(ByteBuffer buffer, ByteBufferPool pool) { - this.buffer = buffer; - this.pool = pool; - } - - @Override - public ByteBuffer get() { - ByteBuffer buf = this.buffer; - assert buf!=null : "getting ByteBuffer after clearance"; - return buf; - } - - public void clear() { - ByteBuffer buf = this.buffer; - assert buf!=null : "double ByteBuffer clearance"; - this.buffer = null; - if (pool != null) { - pool.release(buf); - } - } -}