org.bouncycastle.operator.InputExpander Maven / Gradle / Ivy
package org.bouncycastle.operator;
import java.io.InputStream;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
/**
* General interface for an operator that is able to produce
* an InputStream that will produce uncompressed data.
*/
public interface InputExpander
{
/**
* Return the algorithm identifier describing the compression
* algorithm and parameters this expander supports.
*
* @return algorithm oid and parameters.
*/
AlgorithmIdentifier getAlgorithmIdentifier();
/**
* Wrap the passed in input stream comIn, returning an input stream
* that expands anything read in from comIn.
*
* @param comIn the compressed input data stream..
* @return an expanding InputStream.
*/
InputStream getInputStream(InputStream comIn);
}