Java Utililty Methods Canonical Path Create

List of utility methods to do Canonical Path Create

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Description

The list of methods to do Canonical Path Create are organized into topic(s).

Method

StringgetCanonicalCharset(String charset)
get Canonical Charset 
return new OutputStreamWriter(DUMMY_OUTPUT_STREAM, charset).getEncoding();
StringgetCanonicalCharsetQuiet(String charset)
get Canonical Charset Quiet 
try {
    return getCanonicalCharset(charset);
} catch (UnsupportedEncodingException e) {
    return null;
StringgetCanonicalDirectory(final String rawDir)
If the given string is the empty string, then the result is the current directory. 
String dir = rawDir.length() == 0 ? "." : rawDir;
File dd = new File(dir);
if (!dd.exists()) {
    dd.mkdirs();
if (!dir.startsWith("/")) {
    dir = dd.getCanonicalPath();
return dir;
FilegetCanonicalDirectory(String path, String errPrefix)
Retrieves the canonicalized directory from the specified path. 
File rc;
try {
    rc = new File(path).getCanonicalFile();
} catch (IOException e) {
    throw new IllegalArgumentException(errPrefix + " '" + path + "' : " + e.getMessage()); 
if (!rc.exists()) {
    throw new IllegalArgumentException(errPrefix + " '" + path + "' : does not exist"); 
...
FilegetCanonicalFile(@Nullable final File aFile)
Get the canonical file of the passed file, if the file is not null. 
return aFile == null ? null : aFile.getCanonicalFile();
FilegetCanonicalFile(File f)
get Canonical File 
try {
    return f.getCanonicalFile();
} catch (IOException e) {
    return f.getAbsoluteFile();
FilegetCanonicalFile(File file)
get Canonical File 
return file.getCanonicalFile();
FilegetCanonicalFile(File file)
get Canonical File 
try {
    return file.getCanonicalFile();
} catch (IOException e) {
    throw new RuntimeException(
            "Failed to get canonical file for absolute path [" + file.getAbsolutePath() + "].", e);
FilegetCanonicalFile(File file)
get Canonical File 
file = new File(file.getPath());
File result;
try {
    result = file.getAbsoluteFile().getCanonicalFile();
} catch (IOException e) {
    result = file.getAbsoluteFile();
return result;
...
FilegetCanonicalFile(File file)
get Canonical File 
if (file == null)
    throw new IllegalArgumentException("file must not be null.");
try {
    return (file.getCanonicalFile());
} catch (IOException e) {
    return (file.getAbsoluteFile());