Apache Commons Compress 1.26.0 · org.apache.commons.compress.harmony.unpack200.SegmentOptions

Stores the combinations of bit flags that can be used in the segment header options. Whilst this could be defined in Segment, it's cleaner to pull it out into a separate class, not least because methods can then be used to determine the semantic meaning of the flags. In languages with a pre-processor, these may be defined by macros that do bitflag manipulation instead.

Field Summary

Modifier and Type	Field and Description
private static final int	DEFLATE_HINT
private static final int	HAVE_ALL_CODE_FLAGS
private static final int	HAVE_CLASS_FLAGS_HI
private static final int	HAVE_CODE_FLAGS_HI
private static final int	HAVE_CP_NUMBERS
private static final int	HAVE_FIELD_FLAGS_HI
private static final int	HAVE_FILE_HEADERS
private static final int	HAVE_FILE_MODTIME
private static final int	HAVE_FILE_OPTIONS
private static final int	HAVE_FILE_SIZE_HI
private static final int	HAVE_METHOD_FLAGS_HI
private static final int	HAVE_SPECIAL_FORMATS
private final int	options
private static final int	UNUSED The bit flags that are defined as unused by the specification; specifically, every bit above bit 13 and bit 3.

Constructor Summary

Access	Constructor and Description
public	SegmentOptions(final int the integer value to use as the flags options) Creates a new segment options with the given integer value.

Method Summary

Modifier and Type	Method and Description
public boolean	hasAllCodeFlags()
public boolean	hasArchiveFileCounts()
public boolean	hasClassFlagsHi()
public boolean	hasCodeFlagsHi()
public boolean	hasCPNumberCounts()
public boolean	hasFieldFlagsHi()
public boolean	hasFileModtime()
public boolean	hasFileOptions()
public boolean	hasFileSizeHi()
public boolean	hasMethodFlagsHi()
public boolean	hasSpecialFormats()
public boolean	shouldDeflate()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

DEFLATE_HINT	back to summary
private static final int DEFLATE_HINT

HAVE_ALL_CODE_FLAGS	back to summary
private static final int HAVE_ALL_CODE_FLAGS

HAVE_CLASS_FLAGS_HI	back to summary
private static final int HAVE_CLASS_FLAGS_HI

HAVE_CODE_FLAGS_HI	back to summary
private static final int HAVE_CODE_FLAGS_HI

HAVE_CP_NUMBERS	back to summary
private static final int HAVE_CP_NUMBERS

HAVE_FIELD_FLAGS_HI	back to summary
private static final int HAVE_FIELD_FLAGS_HI

HAVE_FILE_HEADERS	back to summary
private static final int HAVE_FILE_HEADERS

HAVE_FILE_MODTIME	back to summary
private static final int HAVE_FILE_MODTIME

HAVE_FILE_OPTIONS	back to summary
private static final int HAVE_FILE_OPTIONS

HAVE_FILE_SIZE_HI	back to summary
private static final int HAVE_FILE_SIZE_HI

HAVE_METHOD_FLAGS_HI	back to summary
private static final int HAVE_METHOD_FLAGS_HI

HAVE_SPECIAL_FORMATS	back to summary
private static final int HAVE_SPECIAL_FORMATS

options	back to summary
private final int options

UNUSED	back to summary
private static final int UNUSED The bit flags that are defined as unused by the specification; specifically, every bit above bit 13 and bit 3.

Constructor Detail

SegmentOptions	back to summary
public SegmentOptions(final int options) throws Pack200Exception Creates a new segment options with the given integer value. Parameters options:int the integer value to use as the flags Exceptions Pack200Exception: if an unused bit (bit 3 or bit 13+) is non-zero

SegmentOptions

back to summary

public SegmentOptions(final int options) throws Pack200Exception

Creates a new segment options with the given integer value.

Parameters

options:int: the integer value to use as the flags

Exceptions

Pack200Exception:: if an unused bit (bit 3 or bit 13+) is non-zero

Method Detail

hasAllCodeFlags	back to summary
public boolean hasAllCodeFlags()

hasArchiveFileCounts	back to summary
public boolean hasArchiveFileCounts()

hasClassFlagsHi	back to summary
public boolean hasClassFlagsHi()

hasCodeFlagsHi	back to summary
public boolean hasCodeFlagsHi()

hasCPNumberCounts	back to summary
public boolean hasCPNumberCounts()

hasFieldFlagsHi	back to summary
public boolean hasFieldFlagsHi()

hasFileModtime	back to summary
public boolean hasFileModtime()

hasFileOptions	back to summary
public boolean hasFileOptions()

hasFileSizeHi	back to summary
public boolean hasFileSizeHi()

hasMethodFlagsHi	back to summary
public boolean hasMethodFlagsHi()

hasSpecialFormats	back to summary
public boolean hasSpecialFormats()

shouldDeflate	back to summary
public boolean shouldDeflate()