1 /* 2 * Copyright 2015 The gRPC Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package io.grpc; 18 19 import java.io.IOException; 20 import java.io.InputStream; 21 22 /** 23 * Represents a message decompressor. 24 */ 25 @ExperimentalApi("https://github.com/grpc/grpc-java/issues/1704") 26 public interface Decompressor { 27 /** 28 * Returns the message encoding that this compressor uses. 29 * 30 * <p>This can be values such as "gzip", "deflate", "snappy", etc. 31 */ getMessageEncoding()32 String getMessageEncoding(); 33 34 /** 35 * Wraps an existing input stream with a decompressing input stream. 36 * @param is The input stream of uncompressed data 37 * @return An input stream that decompresses 38 */ decompress(InputStream is)39 InputStream decompress(InputStream is) throws IOException; 40 } 41 42