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

PathgetTestDataPath(Class clazz, String name)
get Test Data Path 
String packageName = clazz.getPackage().getName();
List<String> paths = new ArrayList<>();
paths.addAll(Arrays.asList(packageName.split("\\.")));
paths.add(name);
return Paths.get(RESOURCES_PATH, paths.toArray(new String[paths.size()]));
PathgetUniqueFileInDirectory(Path dir, String name)
get Unique File In Directory 
int extension = name.lastIndexOf('.');
return extension <= 0 || extension >= name.length() - 1 ? getUniqueFileInDirectory(dir, name, "")
        : getUniqueFileInDirectory(dir, name.substring(0, extension), name.substring(extension));
voidinheritGwtModule(Path path, String inheritableModuleLogicalName)
Inherit the specified module name in the provided GWT module descriptor. 
final String inheritsString = "    <inherits name='" + inheritableModuleLogicalName + "'/>";
List<String> content = Files.readAllLines(path, UTF_8);
int i = 0, lastInheritsLine = 0;
for (String str : content) {
    i++;
    if (str.contains("<inherits")) {
        lastInheritsLine = i;
content.add(lastInheritsLine, inheritsString);
Files.write(path, content, UTF_8);
voidinitializePath(String... envVarNames)
initialize Path 
String keyEnvVarName = envVarNames[0];
Path p = DRICTORIES.get(keyEnvVarName);
if (p != null)
    return;
String directory = null;
for (int i = 0; i < envVarNames.length && directory == null; ++i) {
    directory = System.getenv(envVarNames[i]);
if (directory == null) {
    throw new FileNotFoundException("No " + keyEnvVarName + " directory found.");
p = Paths.get(directory, SUBDIRECTORY);
new File(p.toString()).mkdirs();
DRICTORIES.put(keyEnvVarName, p);
booleanisExecutableOnPath(String execName)
is Executable On Path 
return Stream.of(System.getenv("PATH").split(Pattern.quote(File.pathSeparator))).map(Paths::get)
        .anyMatch(path -> Files.exists(path.resolve(execName)));
booleanisHiddenName(Path path)
is Hidden Name 
if (path == null)
    return true;
return path.getFileName().toString().startsWith(".");
StringjobNameFromPath(Path path)
Get job name without file extension 
return jobNameFromFileName(path.getFileName().toString());
ListlistDocTypeName(Path path)
list Doc Type Name 
return Files.walk(path, 2).filter(x -> x.getFileName().toString().endsWith("chapter.md"))
        .map(x -> x.getParent().getFileName().toString()).distinct().sorted().collect(Collectors.toList());
PathmakeUnique(Path basePath, String baseName)
If the given path contains a file baseName a number is added as a suffix. 
Path desiredPath = Paths.get(basePath.toString(), baseName);
int suffix = 0;
while (Files.exists(desiredPath)) {
    desiredPath = Paths.get(basePath.toString(), baseName + "_" + (suffix++));
return desiredPath;
StringpathToPackageName(Path path)
path To Package Name 
if (path == null) {
    return "";
return path.toString().replace(File.separator, ".");