Class CoderBase
- java.lang.Object
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- org.apache.commons.compress.archivers.sevenz.CoderBase
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- Direct Known Subclasses:
AES256SHA256Decoder
,Coders.BCJDecoder
,Coders.BZIP2Decoder
,Coders.CopyDecoder
,Coders.Deflate64Decoder
,Coders.DeflateDecoder
,DeltaDecoder
,LZMA2Decoder
,LZMADecoder
abstract class CoderBase extends java.lang.Object
Base Codec class.
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Field Summary
Fields Modifier and Type Field Description private java.lang.Class<?>[]
acceptableOptions
private static byte[]
NONE
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Constructor Summary
Constructors Modifier Constructor Description protected
CoderBase(java.lang.Class<?>... acceptableOptions)
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description (package private) boolean
canAcceptOptions(java.lang.Object opts)
(package private) abstract java.io.InputStream
decode(java.lang.String archiveName, java.io.InputStream in, long uncomressedLength, Coder coder, byte[] password, int maxMemoryLimitInKb)
(package private) java.io.OutputStream
encode(java.io.OutputStream out, java.lang.Object options)
(package private) byte[]
getOptionsAsProperties(java.lang.Object options)
(package private) java.lang.Object
getOptionsFromCoder(Coder coder, java.io.InputStream in)
protected static int
numberOptionOrDefault(java.lang.Object options, int defaultValue)
If the option represents a number, return its integer value, otherwise return the given default value.
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Method Detail
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canAcceptOptions
boolean canAcceptOptions(java.lang.Object opts)
- Returns:
- whether this method can extract options from the given object.
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getOptionsAsProperties
byte[] getOptionsAsProperties(java.lang.Object options) throws java.io.IOException
- Returns:
- property-bytes to write in a Folder block
- Throws:
java.io.IOException
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getOptionsFromCoder
java.lang.Object getOptionsFromCoder(Coder coder, java.io.InputStream in) throws java.io.IOException
- Returns:
- configuration options that have been used to create the given InputStream from the given Coder
- Throws:
java.io.IOException
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decode
abstract java.io.InputStream decode(java.lang.String archiveName, java.io.InputStream in, long uncomressedLength, Coder coder, byte[] password, int maxMemoryLimitInKb) throws java.io.IOException
- Returns:
- a stream that reads from in using the configured coder and password.
- Throws:
java.io.IOException
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encode
java.io.OutputStream encode(java.io.OutputStream out, java.lang.Object options) throws java.io.IOException
- Returns:
- a stream that writes to out using the given configuration.
- Throws:
java.io.IOException
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numberOptionOrDefault
protected static int numberOptionOrDefault(java.lang.Object options, int defaultValue)
If the option represents a number, return its integer value, otherwise return the given default value.
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