public virtual void TestCompressionTools()
{
IndexableField binaryFldCompressed = new StoredField("binaryCompressed", CompressionTools.Compress(BinaryValCompressed.GetBytes(Encoding.UTF8)));
IndexableField stringFldCompressed = new StoredField("stringCompressed", CompressionTools.CompressString(BinaryValCompressed));
var doc = new Documents.Document {binaryFldCompressed, stringFldCompressed};
using (Directory dir = NewDirectory())
using (RandomIndexWriter writer = new RandomIndexWriter(Random(), dir))
{
writer.AddDocument(doc);
using (IndexReader reader = writer.Reader)
{
Documents.Document docFromReader = reader.Document(0);
Assert.IsTrue(docFromReader != null);
string binaryFldCompressedTest =
Encoding.UTF8.GetString(
CompressionTools.Decompress(docFromReader.GetBinaryValue("binaryCompressed")));
//new string(CompressionTools.Decompress(docFromReader.GetBinaryValue("binaryCompressed")), IOUtils.CHARSET_UTF_8);
Assert.IsTrue(binaryFldCompressedTest.Equals(BinaryValCompressed));
Assert.IsTrue(
CompressionTools.DecompressString(docFromReader.GetBinaryValue("stringCompressed"))
.Equals(BinaryValCompressed));
}
}
}
private byte[] Uncompress(byte[] b)
{
try
{
return(CompressionTools.Decompress(b));
}
catch (Exception e)
{
// this will happen if the field is not compressed
throw new CorruptIndexException("field data are in wrong format: " + e, e);
}
}