Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.File;
import java.net.URI;

public class Main {
    /**
     * Determines via best effort if the file system on which the file resides is available.
     * @param file a file
     * @param topLevelResource the top-level resource URI for the file.
     * @return true if the file system is available, false otherwise.
     */
    static boolean isFileSystemAvailable(File file, URI topLevelResource) {

        File topLevel = new File(topLevelResource);

        if (isEqualPath(file, topLevel)) {
            return file.exists();
        }

        return isFileSystemAvailable(file, topLevel);
    }

    private static boolean isFileSystemAvailable(File file, File topLevelResource) {

        boolean available;

        if (file.exists()) {
            available = true;
        } else {
            if (isEqualPath(file, topLevelResource)) {
                available = false;
            } else {
                available = isFileSystemAvailable(file.getParentFile(), topLevelResource);
            }
        }

        return available;
    }

    private static boolean isEqualPath(File file1, File file2) {
        return file1.getAbsolutePath().equals(file2.getAbsolutePath());
    }
}