public class GzipUtils
extends java.lang.Object
Modifier and Type | Field and Description |
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private static java.util.Map |
compressSuffix
Map from common filename suffixes to the suffixes that identify gzipped
versions of those file types.
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private static java.util.Map |
uncompressSuffix
Map from common filename suffixes of gzipped files to the corresponding
suffixes of uncompressed files.
|
Modifier | Constructor and Description |
---|---|
private |
GzipUtils()
Private constructor to prevent instantiation of this utility class.
|
Modifier and Type | Method and Description |
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static java.lang.String |
getCompressedFilename(java.lang.String filename)
Maps the given filename to the name that the file should have after
compression with gzip.
|
static java.lang.String |
getUncompressedFilename(java.lang.String filename)
Maps the given name of a gzip-compressed file to the name that the
file should have after uncompression.
|
static boolean |
isCompressedFilename(java.lang.String filename)
Detects common gzip suffixes in the given filename.
|
private static final java.util.Map compressSuffix
private static final java.util.Map uncompressSuffix
This map also contains gzip-specific suffixes like ".gz" and "-z". These suffixes are mapped to the empty string, as they should simply be removed from the filename when the file is uncompressed.
private GzipUtils()
public static boolean isCompressedFilename(java.lang.String filename)
filename
- name of a filetrue
if the filename has a common gzip suffix,
false
otherwisepublic static java.lang.String getUncompressedFilename(java.lang.String filename)
filename
- name of a filepublic static java.lang.String getCompressedFilename(java.lang.String filename)
filename
- name of a file