package net.lingala.zip4j.io; import java.io.IOException; import java.io.InputStream; import net.lingala.zip4j.unzip.UnzipEngine; public abstract class BaseInputStream extends InputStream { public int read() throws IOException { return 0; } public void seek(long pos) throws IOException { } public int available() throws IOException { return 0; } public UnzipEngine getUnzipEngine() { return null; } }