2013-01-01 16:03:18 +01:00
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/*
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* Copyright 2013 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.buffer;
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2013-06-13 07:00:15 +02:00
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import io.netty.util.IllegalReferenceCountException;
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2013-11-04 11:42:33 +01:00
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import io.netty.util.internal.StringUtil;
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2013-06-13 06:14:21 +02:00
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2013-01-01 16:03:18 +01:00
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/**
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* Default implementation of a {@link ByteBufHolder} that holds it's data in a {@link ByteBuf}.
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*
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*/
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public class DefaultByteBufHolder implements ByteBufHolder {
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2013-02-10 05:10:09 +01:00
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2013-01-01 16:03:18 +01:00
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private final ByteBuf data;
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2013-02-10 05:10:09 +01:00
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2013-01-01 16:03:18 +01:00
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public DefaultByteBufHolder(ByteBuf data) {
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if (data == null) {
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throw new NullPointerException("data");
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}
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this.data = data;
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}
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@Override
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2013-05-01 10:04:43 +02:00
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public ByteBuf content() {
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2013-02-10 05:10:09 +01:00
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if (data.refCnt() <= 0) {
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2013-06-13 07:00:15 +02:00
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throw new IllegalReferenceCountException(data.refCnt());
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2013-01-01 16:03:18 +01:00
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}
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return data;
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}
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@Override
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2013-02-10 05:10:09 +01:00
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public ByteBufHolder copy() {
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return new DefaultByteBufHolder(data.copy());
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2013-01-01 16:03:18 +01:00
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}
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2013-07-06 21:17:51 +02:00
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@Override
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public ByteBufHolder duplicate() {
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return new DefaultByteBufHolder(data.duplicate());
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}
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2013-01-01 16:03:18 +01:00
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@Override
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2013-02-10 05:10:09 +01:00
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public int refCnt() {
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return data.refCnt();
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2013-01-01 16:03:18 +01:00
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}
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@Override
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2013-02-13 08:09:33 +01:00
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public ByteBufHolder retain() {
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2013-02-10 05:10:09 +01:00
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data.retain();
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2013-02-13 08:09:33 +01:00
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return this;
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2013-02-10 05:10:09 +01:00
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}
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@Override
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2013-02-13 08:09:33 +01:00
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public ByteBufHolder retain(int increment) {
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2013-02-10 05:10:09 +01:00
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data.retain(increment);
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2013-02-13 08:09:33 +01:00
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return this;
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2013-02-10 05:10:09 +01:00
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}
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2014-01-28 12:00:28 +01:00
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@Override
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public ByteBufHolder touch() {
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data.touch();
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return this;
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}
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2014-01-29 03:44:59 +01:00
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@Override
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public ByteBufHolder touch(Object hint) {
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data.touch(hint);
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return this;
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}
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2013-02-10 05:10:09 +01:00
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@Override
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public boolean release() {
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return data.release();
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}
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@Override
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public boolean release(int decrement) {
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return data.release(decrement);
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2013-01-01 16:03:18 +01:00
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}
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2015-10-07 15:30:34 +02:00
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/**
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* Return {@link ByteBuf#toString()} without checking the reference count first. This is useful to implemement
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* {@link #toString()}.
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*/
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protected final String contentToString() {
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return data.toString();
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}
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2013-01-01 16:03:18 +01:00
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@Override
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public String toString() {
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2015-10-07 15:30:34 +02:00
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return StringUtil.simpleClassName(this) + '(' + contentToString() + ')';
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2013-01-01 16:03:18 +01:00
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}
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}
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