/**
* Gets an IRandomAccess object that can read from or write to the given file.
*
* @see IRandomAccess
*/
public static IRandomAccess getHandle(String id, boolean writable, boolean allowArchiveHandles)
throws IOException {
LOGGER.trace("getHandle(id = {}, writable = {})", id, writable);
IRandomAccess handle = getMappedFile(id);
if (handle == null) {
LOGGER.trace("no handle was mapped for this ID");
String mapId = getMappedId(id);
if (id.startsWith("http://")) {
handle = new URLHandle(mapId);
} else if (allowArchiveHandles && ZipHandle.isZipFile(id)) {
handle = new ZipHandle(mapId);
} else if (allowArchiveHandles && GZipHandle.isGZipFile(id)) {
handle = new GZipHandle(mapId);
} else if (allowArchiveHandles && BZip2Handle.isBZip2File(id)) {
handle = new BZip2Handle(mapId);
} else {
handle = new NIOFileHandle(mapId, writable ? "rw" : "r");
}
}
LOGGER.trace("Location.getHandle: {} -> {}", id, handle);
return handle;
}
@Test
public void testGZipTypeDetection() throws IOException {
File invalidFile = File.createTempFile("invalid", ".gz");
invalidFile.deleteOnExit();
assertEquals(GZipHandle.isGZipFile(invalidFile.getAbsolutePath()), false);
}