A utility class for manipulating paths

      
/*
 * Copyright (C) 2008 Rob Manning
 * manningr@users.sourceforge.net
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/**
 * A utility class for manipulating paths
 * 
 * @author manningr
 */
public class PathUtilsImpl 
{
  /**
   * Constructs a path out of the pathElements.
   * 
   * @param prependSlash
   *           if true this will ensure that the result begins with "/".
   * @param pathElements
   *           the strings to connect. They can have "/" in them which will be de-duped in the result, if
   *           necessary.
   * @return the path that was constructed.
   */
  public String buildPath(boolean prependSlash, String... pathElements)
  {
    StringBuilder result = new StringBuilder("/");

    for (String pathElement : pathElements)
    {
      result.append(pathElement).append("/");
    }

    String retVal = result.toString().replace("//", "/").replace("//", "/");

    if (retVal.endsWith("/"))
    {
      retVal = retVal.substring(0, retVal.length() - 1);
    }

    return retVal;
  }

  /**
   * Returns the file part of the specified path.
   * 
   * @param path
   *           the path
   * @return the file part of the path
   */
  public String getFileFromPath(String path)
  {
    if (path.indexOf("/") == -1) { return path; }
    int slashIndex = path.lastIndexOf("/");
    return path.substring(slashIndex+1);
  }

}

Related examples in the same category

1.	Returns the path of the given resource.
2.	Remove path and file information from a filename returning only its extension component
3.	Absolutize a relative resource path on the given absolute base path.
4.	Remove File Name Suffix
5.	Strip File Extension
6.	Get relative path
7.	Fixes the file sperator char for the target platform using the following replacement.
8.	Concatenates an array of string using a seperator.
9.	Rename To Temporary Name
10.	Match a path which may contain a wildcard
11.	Merges the two paths to create a valid version of the second path
12.	General filename and filepath manipulation utilities
13.	Extract File Extension
14.	Get File Name Suffix
15.	Extract the page path from the given request path
16.	File name Utils
17.	Convert a list of path elements to a platform-specific path.
18.	Change File Name To Class Name
19.	strip Extension name
20.	Create File Name with specified white space character
21.	Build a relative path to the given base path
22.	Checks, whether the child directory is a subdirectory of the base directory.
23.	Return a context-relative path, beginning with a "/", that represents the canonical version of the specified path after ".." and "." elements are resolved out.
24.	Return the path within a base directory
25.	Decode a path.
26.	Convert a path to a cananonical form
27.	Extract file name (without path and suffix) from file name with path and suffix
28.	Extract file name (without path but with suffix) from file name with path and suffix
29.	Build a path, but do not create it
30.	Build a directory path - creating directories if neccesary
31.	Collection of file path related stuff
32.	Path Util
33.	Get the first/last token from a path
34.	Calculates the relative path between a specified root directory and a target path.
35.	Get relative Path

A utility class for manipulating paths : Path « File Input Output « Java

Related examples in the same category