com.emc.codec.compression.lzma

Class LzmaCodec

java.lang.Object

com.emc.codec.AbstractCodec<CompressionMetadata>

com.emc.codec.compression.lzma.LzmaCodec

All Implemented Interfaces:

Decoder<CompressionMetadata>, Encoder<CompressionMetadata>, java.lang.Comparable<AbstractCodec<CompressionMetadata>>

public class LzmaCodec
extends AbstractCodec<CompressionMetadata>

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_PIPE_BUFFER_SIZE
static int	PRIORITY
static java.lang.String	PROP_CUSTOM_PROFILE
static java.lang.String	PROP_PIPE_BUFFER_SIZE
static java.lang.String	SUBSPEC

Constructor Summary

Constructors

Constructor and Description
LzmaCodec()

Method Summary

Modifier and Type	Method and Description
boolean	canProcess(java.lang.String encodeSpec)
CompressionMetadata	createEncodeMetadata(java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.String> metadata)
static java.lang.String	encodeSpec(int compressionLevel)
static LzmaProfile	getCustomProfile(java.util.Map<java.lang.String,java.lang.Object> codecProperties)
long	getDecodedSize(CompressionMetadata metadata)
java.io.InputStream	getDecodingStream(java.io.InputStream originalStream, CompressionMetadata metadataetadata, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
java.io.OutputStream	getDecodingStream(java.io.OutputStream originalStream, CompressionMetadata metadata, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
java.lang.String	getDefaultEncodeSpec()
long	getEncodedSize(long originalSize, java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
EncodeInputStream<CompressionMetadata>	getEncodingStream(java.io.InputStream originalStream, java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
EncodeOutputStream<CompressionMetadata>	getEncodingStream(java.io.OutputStream originalStream, java.lang.String encodeSpec, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
static int	getPipeBufferSize(java.util.Map<java.lang.String,java.lang.Object> codecProperties)
int	getPriority()
boolean	isSizePredictable()
static void	setCustomProfile(java.util.Map<java.lang.String,java.lang.Object> codecProperties, LzmaProfile customProfile)
static void	setPipeBufferSize(java.util.Map<java.lang.String,java.lang.Object> codecProperties, int pipeBufferSize)

Methods inherited from class com.emc.codec.AbstractCodec

canDecode, canEncode, compareTo, getEncodedSize, getEncodingStream, getEncodingStream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SUBSPEC

public static final java.lang.String SUBSPEC

See Also:

Constant Field Values

PRIORITY

public static final int PRIORITY

See Also:

Constant Field Values

PROP_PIPE_BUFFER_SIZE

public static final java.lang.String PROP_PIPE_BUFFER_SIZE

See Also:

Constant Field Values

PROP_CUSTOM_PROFILE

public static final java.lang.String PROP_CUSTOM_PROFILE

See Also:

Constant Field Values

DEFAULT_PIPE_BUFFER_SIZE

public static final int DEFAULT_PIPE_BUFFER_SIZE

See Also:

Constant Field Values

Constructor Detail

LzmaCodec

public LzmaCodec()

Method Detail

encodeSpec

public static java.lang.String encodeSpec(int compressionLevel)

getPipeBufferSize

public static int getPipeBufferSize(java.util.Map<java.lang.String,java.lang.Object> codecProperties)

setPipeBufferSize

public static void setPipeBufferSize(java.util.Map<java.lang.String,java.lang.Object> codecProperties,
                                     int pipeBufferSize)

getCustomProfile

public static LzmaProfile getCustomProfile(java.util.Map<java.lang.String,java.lang.Object> codecProperties)

setCustomProfile

public static void setCustomProfile(java.util.Map<java.lang.String,java.lang.Object> codecProperties,
                                    LzmaProfile customProfile)

canProcess

public boolean canProcess(java.lang.String encodeSpec)

Specified by:

canProcess in class AbstractCodec<CompressionMetadata>

getDefaultEncodeSpec

public java.lang.String getDefaultEncodeSpec()

getPriority

public int getPriority()

createEncodeMetadata

public CompressionMetadata createEncodeMetadata(java.lang.String encodeSpec,
                                                java.util.Map<java.lang.String,java.lang.String> metadata)

getDecodedSize

public long getDecodedSize(CompressionMetadata metadata)

getDecodingStream

public java.io.OutputStream getDecodingStream(java.io.OutputStream originalStream,
                                              CompressionMetadata metadata,
                                              java.util.Map<java.lang.String,java.lang.Object> codecProperties)

getDecodingStream

public java.io.InputStream getDecodingStream(java.io.InputStream originalStream,
                                             CompressionMetadata metadataetadata,
                                             java.util.Map<java.lang.String,java.lang.Object> codecProperties)

isSizePredictable

public boolean isSizePredictable()

getEncodedSize

public long getEncodedSize(long originalSize,
                           java.lang.String encodeSpec,
                           java.util.Map<java.lang.String,java.lang.Object> codecProperties)

getEncodingStream

public EncodeOutputStream<CompressionMetadata> getEncodingStream(java.io.OutputStream originalStream,
                                                                 java.lang.String encodeSpec,
                                                                 java.util.Map<java.lang.String,java.lang.Object> codecProperties)

getEncodingStream

public EncodeInputStream<CompressionMetadata> getEncodingStream(java.io.InputStream originalStream,
                                                                java.lang.String encodeSpec,
                                                                java.util.Map<java.lang.String,java.lang.Object> codecProperties)