Android Utililty Methods Path Relative Get

List of utility methods to do Path Relative Get

  1. HOME
  2. Android
  3. P
  4. Path Relative Get

Description

The list of methods to do Path Relative Get are organized into topic(s).

Method

StringconvertToRelativePath(String absolutePath, String relativeTo)
taken from http://mrpmorris.blogspot.com/2007/05/convert-absolute-path-to-relative-path.html 
StringBuilder relativePath = null;
absolutePath = absolutePath.replaceAll("\\\\", "/");
relativeTo = relativeTo.replaceAll("\\\\", "/");
if (absolutePath.equals(relativeTo) == true) {
} else {
    String[] absoluteDirectories = absolutePath.split("/");
    String[] relativeDirectories = relativeTo.split("/");
    int length = absoluteDirectories.length < relativeDirectories.length ? absoluteDirectories.length
...
StringgetPathRelativeTo(File fileChild, File fileRoot)
Returns that portion of the path of fileChild which is relative to the path of fileRoot. 
Check.arg().notNull(fileChild);
Check.arg().notNull(fileRoot);
if (fileChild.equals(fileRoot))
    return "";
String pathChild = fileChild.getPath();
String pathRoot = fileRoot.getPath();
if (!pathChild.startsWith(pathRoot))
    throw new IllegalArgumentException("fileChild = " + pathChild
...
StringgetRelativeFileName(File file, File basedir)
Gets a relative file from a filename against a base directory. 
String canonicalFilePath = file.getCanonicalPath();
String canonicalBaseDirPath = basedir.getCanonicalPath();
if (canonicalFilePath.startsWith(canonicalBaseDirPath)) {
    int length = canonicalBaseDirPath.length();
    if (length < canonicalFilePath.length()) {
        return canonicalFilePath.substring(length + 1);
return null;
StringgetRelativePath(File parent, File file)
get Relative Path 
return file.getAbsolutePath().substring(
        parent.getAbsolutePath().length() + 1);
StringgetWindowsRelativePath(String basedir, String path)
get Windows Relative Path 
return getRelativePath(basedir, path, true);
StringrelativePathFromBase(File file, File basedir)
relative Path From Base 
String absolutePath = basedir.getAbsolutePath();
if (file.getAbsolutePath().startsWith(absolutePath) == false) {
    throw new IllegalArgumentException("File not in basedir: "
            + file);
String relativePath = file.getAbsolutePath().substring(
        absolutePath.length());
return relativePath;
...
StringgetParentRelativeTo(File fileChild, File fileRoot)
Returns a String that represents that part of fileChild's parent directory path which is contained inside fileRoot (that is, fileChild's parent's path relative to fileRoot). 
Check.arg().notNull(fileChild);
Check.arg().notNull(fileRoot);
File parent = fileChild.getParentFile();
Check.arg().notNull(parent);
String pathParent = parent.getPath();
String pathRoot = fileRoot.getPath();
if (!pathParent.startsWith(pathRoot))
    throw new IllegalArgumentException("fileChild's parent = "
...