public override void materialize(WindowCursor curs)
{
if (cachedBytes != null)
{
return;
}
if (objectType != OBJ_COMMIT)
{
UnpackedObjectCache.Entry cache = pack.readCache(dataOffset);
if (cache != null)
{
curs.release();
cachedBytes = cache.data;
return;
}
}
try
{
cachedBytes = pack.decompress(dataOffset, objectSize, curs);
curs.release();
if (objectType != OBJ_COMMIT)
pack.saveCache(dataOffset, cachedBytes, objectType);
}
catch (IOException dfe)
{
CorruptObjectException coe;
coe = new CorruptObjectException("object at " + dataOffset + " in "
+ pack.File.FullName + " has bad zlib stream", dfe);
throw coe;
}
}
public override void materialize(WindowCursor curs)
{
if (cachedBytes != null)
{
return;
}
if (objectType != OBJ_COMMIT)
{
UnpackedObjectCache.Entry cache = pack.readCache(dataOffset);
if (cache != null)
{
curs.release();
objectType = cache.type;
objectSize = cache.data.Length;
cachedBytes = cache.data;
return;
}
}
try
{
PackedObjectLoader baseLoader = getBaseLoader(curs);
baseLoader.materialize(curs);
cachedBytes = BinaryDelta.Apply(baseLoader.getCachedBytes(),
pack.decompress(dataOffset, deltaSize, curs));
curs.release();
objectType = baseLoader.getType();
objectSize = cachedBytes.Length;
if (objectType != OBJ_COMMIT)
pack.saveCache(dataOffset, cachedBytes, objectType);
}
catch (IOException dfe)
{
CorruptObjectException coe;
coe = new CorruptObjectException("object at " + dataOffset + " in "
+ pack.File.FullName + " has bad zlib stream", dfe);
throw coe;
}
}
/**
* @param id
* SHA-1 of an object.
*
* @return a {@link ObjectLoader} for accessing the data of the named
* object, or null if the object does not exist.
* @
*/
public ObjectLoader OpenObject(AnyObjectId id)
{
WindowCursor wc = new WindowCursor();
try
{
return openObject(wc, id);
}
finally
{
wc.release();
}
}
/**
* @param curs cursor to release; may be null.
* @return always null.
*/
public static WindowCursor release(WindowCursor curs)
{
if (curs != null)
curs.release();
return null;
}