54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
package restful
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// Copyright 2015 Ernest Micklei. All rights reserved.
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// Use of this source code is governed by a license
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// that can be found in the LICENSE file.
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import (
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"compress/gzip"
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"compress/zlib"
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)
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// CompressorProvider describes a component that can provider compressors for the std methods.
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type CompressorProvider interface {
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// Returns a *gzip.Writer which needs to be released later.
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// Before using it, call Reset().
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AcquireGzipWriter() *gzip.Writer
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// Releases an aqcuired *gzip.Writer.
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ReleaseGzipWriter(w *gzip.Writer)
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// Returns a *gzip.Reader which needs to be released later.
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AcquireGzipReader() *gzip.Reader
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// Releases an aqcuired *gzip.Reader.
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ReleaseGzipReader(w *gzip.Reader)
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// Returns a *zlib.Writer which needs to be released later.
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// Before using it, call Reset().
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AcquireZlibWriter() *zlib.Writer
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// Releases an aqcuired *zlib.Writer.
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ReleaseZlibWriter(w *zlib.Writer)
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}
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// DefaultCompressorProvider is the actual provider of compressors (zlib or gzip).
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var currentCompressorProvider CompressorProvider
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func init() {
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currentCompressorProvider = NewSyncPoolCompessors()
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}
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// CurrentCompressorProvider returns the current CompressorProvider.
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// It is initialized using a SyncPoolCompessors.
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func CurrentCompressorProvider() CompressorProvider {
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return currentCompressorProvider
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}
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// CompressorProvider sets the actual provider of compressors (zlib or gzip).
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func SetCompressorProvider(p CompressorProvider) {
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if p == nil {
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panic("cannot set compressor provider to nil")
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}
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currentCompressorProvider = p
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}
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