3a9f472161
Related: #4333 #4421 #5128 Motivation: slice(), duplicate() and readSlice() currently create a non-recyclable derived buffer instance. Under heavy load, an application that creates a lot of derived buffers can put the garbage collector under pressure. Modifications: - Add the following methods which creates a non-recyclable derived buffer - retainedSlice() - retainedDuplicate() - readRetainedSlice() - Add the new recyclable derived buffer implementations, which has its own reference count value - Add ByteBufHolder.retainedDuplicate() - Add ByteBufHolder.replace(ByteBuf) so that.. - a user can replace the content of the holder in a consistent way - copy/duplicate/retainedDuplicate() can delegate the holder construction to replace(ByteBuf) - Use retainedDuplicate() and retainedSlice() wherever possible - Miscellaneous: - Rename DuplicateByteBufTest to DuplicatedByteBufTest (missing 'D') - Make ReplayingDecoderByteBuf.reject() return an exception instead of throwing it so that its callers don't need to add dummy return statement Result: Derived buffers are now recycled when created via retainedSlice() and retainedDuplicate() and derived from a pooled buffer
85 lines
2.2 KiB
Java
85 lines
2.2 KiB
Java
/*
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* Copyright 2012 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.handler.codec.http.multipart;
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import io.netty.buffer.ByteBuf;
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/**
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* FileUpload interface that could be in memory, on temporary file or any other implementations.
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*
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* Most methods are inspired from java.io.File API.
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*/
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public interface FileUpload extends HttpData {
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/**
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* Returns the original filename in the client's filesystem,
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* as provided by the browser (or other client software).
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* @return the original filename
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*/
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String getFilename();
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/**
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* Set the original filename
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*/
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void setFilename(String filename);
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/**
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* Set the Content Type passed by the browser if defined
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* @param contentType Content Type to set - must be not null
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*/
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void setContentType(String contentType);
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/**
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* Returns the content type passed by the browser or null if not defined.
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* @return the content type passed by the browser or null if not defined.
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*/
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String getContentType();
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/**
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* Set the Content-Transfer-Encoding type from String as 7bit, 8bit or binary
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*/
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void setContentTransferEncoding(String contentTransferEncoding);
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/**
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* Returns the Content-Transfer-Encoding
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* @return the Content-Transfer-Encoding
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*/
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String getContentTransferEncoding();
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@Override
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FileUpload copy();
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@Override
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FileUpload duplicate();
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@Override
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FileUpload retainedDuplicate();
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@Override
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FileUpload replace(ByteBuf content);
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@Override
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FileUpload retain();
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@Override
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FileUpload retain(int increment);
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@Override
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FileUpload touch();
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@Override
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FileUpload touch(Object hint);
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}
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