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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.conscrypt;
/**
* This interface represents the ability of the
* classes to provide the chunks of data.
*/
public interface DataStream {
/**
* Checks if there is data to be read.
* @return true if there is the input data in the stream,
* false otherwise
*/
public boolean hasData();
/**
* Retrieves the data of specified length from the stream.
* If the data size in the stream is less than specified length,
* method returns all the data contained in the stream.
* @return byte array containing the demanded data.
*/
public byte[] getData(int length);
}
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