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package Torello.Java;

import java.util.function.BiConsumer;
import java.io.IOException;

/**
 * A functional-interface, used in case of <CODE>IOException</CODE>, to be used alongside the
 * <CODE>'GREP'</CODE> Tool.
 * 
 * <BR /><BR /><EMBED CLASS="external-html" DATA-FILE-ID="IOEH">
 */
public interface IOExceptionHandler extends BiConsumer<FileNode, IOException>, java.io.Serializable
{
    /** <EMBED CLASS="external-html" DATA-FILE-ID="SVUIDFI">  */
    public static final long serialVersionUID = 1;

    /**
     * <B><SPAN STYLE="color: red;">FUNCTIONAL-INTERFACE BOOLEAN METHOD:</SPAN></B> This is the
     * method that fulfils this {@code functional-interface 'test'} method.
     *
     * @param fn This may be any FileNode
     *
     * @param e This exception is passed indicating that an {@code IOException} occurred when
     * attempting to search or {@code 'GREP'} through this file.  The programmer may do or perform
     * any type of exception handling needed. 
     */
    public void accept(FileNode fn, IOException e);

    /**
     * Unless a more advanced behavior is expected, this {@code IOException} handler should suffice
     * for most of the routines in the {@code GREP} and the {@code FileNode} classes.  It simply
     * prints the standard {@code IOException} stack trace to the standard {@code System out}.
     */
    public static IOExceptionHandler SIMPLE = (FileNode fn, IOException e) ->
    { System.out.println("File: " + fn.toString() + "\tFAILED TO LOAD\n" + e.toString()); };
}