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Enforce use of byte arryas for output/input of rawComrpress/UnCompress methods

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This commit is contained in:
Taro L. Saito 2011-04-06 21:59:06 +09:00
parent 0da6942aab
commit 508b24805a
1 changed files with 25 additions and 2 deletions
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27
src/main/java/org/xerial/snappy/Snappy.java
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@ -243,7 +243,7 @@ public class Snappy
* @return byte size of the compressed data
* @throws SnappyException
*/
public static int rawCompress(Object input, int inputOffset, int inputLength, Object output, int outputOffset)
public static int rawCompress(Object input, int inputOffset, int inputLength, byte[] output, int outputOffset)
throws SnappyException {
if (input == null || output == null)
throw new NullPointerException("input or output is null");
@ -315,7 +315,30 @@ public class Snappy
return rawUncompress(input, inputOffset, inputLength, output, outputOffset);
}
public static int rawUncompress(Object input, int inputOffset, int inputLength, Object output, int outputOffset)
/**
* Uncompress the content in the input buffer. The uncompressed data is
* written to the output buffer.
*
* Note that if you pass the wrong data or the range [inputOffset,
* inputOffset + inputLength) that cannot be uncompressed, your JVM might
* crash due to the access violation exception issued in the native code
* written in C++. To avoid this type of crash, use
* {@link #isValidCompressedBuffer(byte[], int, int)} first.
*
* @param input
* input byte array
* @param inputOffset
* byte offset
* @param inputLength
* byte length of the input data
* @param output
* output buffer, MUST be a primitive type array
* @param outputOffset
* byte offset
* @return the byte size of the uncompressed data
* @throws SnappyException
*/
public static int rawUncompress(byte[] input, int inputOffset, int inputLength, Object output, int outputOffset)
throws SnappyException {
if (input == null || output == null)
throw new NullPointerException("input or output is null");