Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    /**
     * <p>Determines the parent directory of the given path.  This is similar to
     * dirname(1).  This assumes that path components are separated by forward
     * slashes.</p>
     *
     * <p>The returned path omits the last slash and trailing component;
     * for example, "/foo/bar.txt" becomes "/foo".  There are a special cases:
     * <ul>
     *   <li> If the last slash is the first character in the input,
     *        the return value is "/".
     *   <li> If there are no slashes in the input, "." is returned.
     * </ul>
     * </p>
     *
     * @param path the path to strip
     * @return the parent path, as described above
     */
    public static String dirname(String path) {
        int lastSlash = path.lastIndexOf("/");

        if ("/".equals(path) || lastSlash == 0) {
            return "/";
        } else if (lastSlash == -1) {
            return ".";
        } else {
            return path.substring(0, lastSlash);
        }
    }
}