| java.lang.Object
 org.h2.tools.CompressTool
| CompressTool | | public class CompressTool (Code) | | A tool to losslessly compress data, and expand the compressed data again.
|
| Method Summary | |
| public byte[] | compress(byte[] in, String algorithm)
Compressed the data using the specified algorithm. | | public synchronized int | compress(byte[] in, int len, Compressor compress, byte[] out)
| | public byte[] | expand(byte[] in)
Expands the compressed data. | | public void | expand(byte[] in, byte[] out, int outPos)
| | public int | getCompressAlgorithm(String algorithm)
| | public static CompressTool | getInstance()
Get the singleton. | | public static InputStream | wrapInputStream(InputStream in, String compressionAlgorithm, String entryName)
| | public static OutputStream | wrapOutputStream(OutputStream out, String compressionAlgorithm, String entryName)
|
| compress | | public byte[] compress(byte[] in, String algorithm) throws SQLException(Code) | | Compressed the data using the specified algorithm. If no algorithm is
supplied, LZF is used
Parameters:
in - the byte array with the original data
Parameters:
algorithm - the algorithm (LZF, DEFLATE) the compressed data
throws:
SQLException - if a error occurs |
| compress | | public synchronized int compress(byte[] in, int len, Compressor compress, byte[] out)(Code) | | INTERNAL
|
| expand | | public byte[] expand(byte[] in) throws SQLException(Code) | | Expands the compressed data.
Parameters:
in - the byte array with the compressed data the uncompressed data
throws:
SQLException - if a error occurs |
| expand | | public void expand(byte[] in, byte[] out, int outPos) throws SQLException(Code) | | INTERNAL
|
| getInstance | | public static CompressTool getInstance()(Code) | | Get the singleton.
the singleton |
|
|