Java Canonical Path Create getCanonicalDirectory(final String rawDir)

Description

If the given string is the empty string, then the result is the current directory.

License

Apache License

Parameter

Parameter	Description
rawDir	a path in any legal form, such as a relative path

Return

the absolute and unique path in String

Declaration

public static String getCanonicalDirectory(final String rawDir) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.File;

import java.io.IOException;

public class Main {
    /**//  ww w.  j  av  a 2  s .co  m
     * If the given string is the empty string, then the result is the current directory.
     *
     * @param rawDir a path in any legal form, such as a relative path
     * @return the absolute and unique path in String
     */
    public static String getCanonicalDirectory(final String rawDir) throws IOException {
        String dir = rawDir.length() == 0 ? "." : rawDir;

        // create working dir if necessary
        File dd = new File(dir);
        if (!dd.exists()) {
            dd.mkdirs();
        }

        if (!dir.startsWith("/")) {
            dir = dd.getCanonicalPath();
        }

        return dir;
    }
}

Related

1. getCanonicalCharset(String charset)
2. getCanonicalCharsetQuiet(String charset)
3. getCanonicalDirectory(String path, String errPrefix)
4. getCanonicalFile(@Nullable final File aFile)
5. getCanonicalFile(File f)
6. getCanonicalFile(File file)