io.netty.handler.stream.ChunkedInput Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.handler.stream;
/**
* A data stream of indefinite length which is consumed by {@link ChunkedWriteHandler}.
*/
public interface ChunkedInput {
/**
* Return {@code true} if and only if there is no data left in the stream
* and the stream has reached at its end.
*/
boolean isEndOfInput() throws Exception;
/**
* Releases the resources associated with the input.
*/
void close() throws Exception;
/**
* Fetches a chunked data from the stream. The chunk is then
* transfered to the given buffer. Once this method returns the last chunk
* and thus the stream has reached at its end, any subsequent {@link #isEndOfInput()}
* call must return {@code false}.
*
* @param buffer read the next chunk and transfer it to the given buffer
*/
boolean readChunk(B buffer) throws Exception;
}