com.emc.codec.compression.deflate

Class DeflateCodec

java.lang.Object

com.emc.codec.AbstractCodec<CompressionMetadata>

com.emc.codec.compression.deflate.DeflateCodec

All Implemented Interfaces:

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

public class DeflateCodec
extends AbstractCodec<CompressionMetadata>

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
DeflateCodec()

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> metaMap)
static java.lang.String	encodeSpec(int compressionLevel)
long	getDecodedSize(CompressionMetadata metadata)
java.io.InputStream	getDecodingStream(java.io.InputStream originalStream, CompressionMetadata encodeInfo, java.util.Map<java.lang.String,java.lang.Object> codecProperties)
java.io.OutputStream	getDecodingStream(java.io.OutputStream originalStream, CompressionMetadata encodeInfo, 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)
int	getPriority()
boolean	isSizePredictable()

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

Constructor Detail

DeflateCodec

public DeflateCodec()

Method Detail

encodeSpec

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

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> metaMap)

getDecodedSize

public long getDecodedSize(CompressionMetadata metadata)

getDecodingStream

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

getDecodingStream

public java.io.InputStream getDecodingStream(java.io.InputStream originalStream,
                                             CompressionMetadata encodeInfo,
                                             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)