Puts value into the storage using given section and key. Replaces old value if exists. @param section storage section @param key storage key (uni

Formats string containing expressions like "${user}", "${city.name.length}" and so on, there "user" and "city" and named parameters of the method (see

@param s String. @return {@code true} iff {@code s} is {@code null} or empty.

@param s String. @return {@code true} iff {@code s} is {@code null}, empty or contains only whitespaces. @see #isWhitespace(char)

Checks if specified file is file. @param file File to check. @return {@code true} iff specified file is not {@code null} and is file.

@param file File to be read. @return File content as a byte array. @throws IOException if can't read file. @throws FileNotFoundException if

Deletes file or directory. Finishes quietly in case of no such file. Directory will be deleted with each nested element. @param file File to be delet

Creates temporary directory with auto-generated name with specific prefix. @param prefix Prefix for directory name. @return File instance. @throws IO

Checks that the storage has value for the given section and key. @param section storage section @param key storage key (unique for each section)

@param file Any file. @return String Name part (simple name without extension).

Checks if specified file is directory. @param file File to check. @return {@code true} iff specified file is not {@code null} and is directory.

Writes new file into filesystem. Overwrite existing if exists. Creates parent directory if needed. @param file File to be write. @param inputS

Parses XML string and extracts value. @param xmlFile XML to be scanned. @param xPath XPath expression. @param clazz {@link Boolean}, {@link Strin

Splits given string using separator char. All empty parts are included in the result. @param s the string to be split @param separator the de

Checks if specified file exists. @param file File to check. @return {@code true} iff specified file is not {@code null} and exists.

Removes value from the storage using given section and key. @param section storage section @param key storage key (unique for each section) @retu

Compares two strings case-insensitive. @param stringA first string @param stringB second string @return {@code true} iff both strings A and B are {@c

Compares two strings case-sensitive. @param stringA first string @param stringB second string @return {@code true} iff both strings A and B are {@cod

@param s String. @return {@code true} iff {@code s} is not {@code null} and not empty.

@param s String. @return {@code true} iff {@code s} is not {@code null}, not empty and contains at least one character that is not whitespace. @see #i

Closes this cache and releases any resources associated with it. If the cache is already closed then invoking this method has no effect.

Copies one file to another. Overwrites it if exists. @param source Source file. @param destination Destination file. @throws IOException Can't p

Deletes file or directory. Finishes quietly in _any_ case. Will start new thread. @param file File to be deleted.

Ensures that XML-element with {@code newAttributes} does exist and creates it if not. <p>&nbsp;</p> Method uses {@code filterAttributes} to uniquely i

Ensures that directory does exist and creates it if not. @param directory Directory to check @return created directory @throws IOException if directo

Formats collection of integers. Uses &amp;,&amp; (comma) as an item delimiter and &amp;-&amp; (minus) as a delimiter for interval ranges. @param numb

Returns a pseudo-random, uniformly distributed {@code int} value between 0 (inclusive) and the specified value (exclusive). @param n positive upper b