Package aQute.libg.shacache
Class ShaCache
- java.lang.Object
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- aQute.libg.shacache.ShaCache
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public class ShaCache extends java.lang.Object
Provide a standardized cache based on the SHA-1 of a file.
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Constructor Summary
Constructors Constructor Description ShaCache(java.io.File root)
Create a SHA-1 cache on a directory.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.io.File
getFile(java.lang.String sha, ShaSource... sources)
Small variation on the cache that returns a file instead of a streamjava.io.File
getRoot()
Get the root to the cachejava.io.InputStream
getStream(java.lang.String sha, ShaSource... sources)
Return a stream that is associated with a SHA.void
purge()
Clean the cache
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Method Detail
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getStream
public java.io.InputStream getStream(java.lang.String sha, ShaSource... sources) throws java.lang.Exception
Return a stream that is associated with a SHA. If the SHA is not in the local cache, the given sources parameter can specify a way to get the content.- Parameters:
sha
- the shasources
- objects that can retrieve the original data- Returns:
- the stream or null if not found.
- Throws:
java.lang.Exception
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getFile
public java.io.File getFile(java.lang.String sha, ShaSource... sources) throws java.lang.Exception
Small variation on the cache that returns a file instead of a stream- Parameters:
sha
- the SHA-1sources
- the inputs- Returns:
- a file or null
- Throws:
java.lang.Exception
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purge
public void purge() throws java.lang.Exception
Clean the cache- Throws:
java.lang.Exception
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getRoot
public java.io.File getRoot()
Get the root to the cache
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