Java Utililty Methods Path File Name nio

List of utility methods to do Path File Name nio

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Description

The list of methods to do Path File Name nio are organized into topic(s).

Method

PathgetAbsolutePath(String name)
get Absolute Path 
return Paths.get(name).toAbsolutePath();
StringgetAbsolutePathName(File dir)
get Absolute Path Name 
try {
    return getAbsolutePath(dir).toString();
} catch (IOException e) {
    return dir.getAbsolutePath();
ListgetAllFiles(List fileNames, Path path)
Collect all the files in a given path recursively 
try (DirectoryStream<Path> stream = Files.newDirectoryStream(path)) {
    for (Path subPath : stream) {
        if (subPath.toFile().isDirectory()) {
            getAllFiles(fileNames, subPath);
        } else {
            String fileName = subPath.toAbsolutePath().toString();
            fileNames.add(fileName);
} catch (IOException e) {
    throw e;
return fileNames;
StringgetArtifactName(Path artifactPath)
utility method which returns the name of the web artifact specified 
String artifactFileName = artifactPath.getFileName().toString();
return artifactFileName.substring(0, artifactFileName.length() - 4);
StringgetBandNameStr(Path filePath)
Get the band name string from the specified filepath. 
String fileNameStr = filePath.getFileName().toString();
Matcher m = LANDSAT_BAND_PATTERN.matcher(fileNameStr);
if (m.matches()) {
    return m.group(1);
throw new IllegalArgumentException(String.format("Could not find band name in file name %s.", fileNameStr));
StringgetClassName(Path pluginImplementationDirectory, Path classFile)
get Class Name 
String className = pluginImplementationDirectory.relativize(classFile).toString()
        .replace(JAR_DIRECTORY_SEPARATOR, PACKAGE_SEPARATOR).replace(CLASS_FILE_EXTENSION, "");
if (className.startsWith(PACKAGE_SEPARATOR) && className.length() > 1) {
    className = className.substring(1);
return className;
PathgetConfigurationFile(String installPath, String serverName)
get Configuration File 
Path curServerPath = getServerDir(installPath, serverName);
return curServerPath.resolve(SERVER_CONFIG_FILE);
PathgetConfigurationFilePath(String name)
get Configuration File Path 
return getConfigurationDirectoryPath().resolve(name);
PathgetContentPath(Path zipFilePath, String contentFileName)
get Content Path 
try {
    FileSystem zipFile = FileSystems.newFileSystem(zipFilePath, null);
    Path packagedPath = zipFile.getPath(contentFileName);
    if (Files.exists(packagedPath)) {
        return packagedPath;
    } else {
        return null;
} catch (IOException e) {
    throw new RuntimeException(e);
PathgetDatabaseDirectoryPath(String databaseDirectory, String name)
get Database Directory Path 
if (Paths.get(databaseDirectory).isAbsolute()) {
    return Paths.get(databaseDirectory, name);
} else {
    return Paths.get(getProperty("user.dir"), databaseDirectory, name);