Getting the Parents of a Filename Path Java code example - Click here to copy ->>>
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// -----------------------------------------------------------------------------
// ParentsOfFilenamePath.java
// -----------------------------------------------------------------------------
/*
* =============================================================================
* Copyright (c) 1998-2005 Jeffrey M. Hunter. All rights reserved.
*
* All source code and material located at the Internet address of
* http://www.idevelopment.info is the copyright of Jeffrey M. Hunter, 2005 and
* is protected under copyright laws of the United States. This source code may
* not be hosted on any other site without my express, prior, written
* permission. Application to host any of the material elsewhere can be made by
* contacting me at jhunter@idevelopment.info.
*
* I have made every effort and taken great care in making sure that the source
* code and other content included on my web site is technically accurate, but I
* disclaim any and all responsibility for any loss, damage or destruction of
* data or any other property which may arise from relying on it. I will in no
* case be liable for any monetary damages arising from such loss, damage or
* destruction.
*
* As with any code, ensure to test this code in a development environment
* before attempting to run it in production.
* =============================================================================
*/
import java.io.File;
/**
* -----------------------------------------------------------------------------
* This program demonstrates how to get the parents of a filename path. Note
* that the filename (in the case of this example: README_InputFile.txt) does
* not have to exist on the filesystem.
*
* @version 1.0
* @author Jeffrey M. Hunter (jhunter@idevelopment.info)
* @author http://www.idevelopment.info
* -----------------------------------------------------------------------------
*/
public class ParentsOfFilenamePath {
private static void doTest() {
// Get the parent of a relative filename path
File fileName = new File("README_InputFile.txt");
String parentPath = fileName.getParent();
File parentDir = fileName.getParentFile();
System.out.println();
System.out.println("Original Filename = " + fileName);
System.out.println("Parent Path = " + parentPath);
System.out.println("Parent Directory = " + parentDir);
// Get the parents of an absolute filename path
fileName = new File("/u01/app/oracle/README_InputFile.txt");
parentPath = fileName.getParent();
parentDir = fileName.getParentFile();
System.out.println();
System.out.println("Original Filename = " + fileName);
System.out.println("Parent Path = " + parentPath);
System.out.println("Parent Directory = " + parentDir);
// The remaining portion of the code will keep stripping out
// the parent from each filename path.
System.out.println();
System.out.println("Original Filename = " + parentPath);
parentPath = parentDir.getParent();
parentDir = parentDir.getParentFile();
System.out.println("Parent Path = " + parentPath);
System.out.println("Parent Directory = " + parentDir);
System.out.println();
System.out.println("Original Filename = " + parentPath);
parentPath = parentDir.getParent();
parentDir = parentDir.getParentFile();
System.out.println("Parent Path = " + parentPath);
System.out.println("Parent Directory = " + parentDir);
System.out.println();
System.out.println("Original Filename = " + parentPath);
parentPath = parentDir.getParent();
parentDir = parentDir.getParentFile();
System.out.println("Parent Path = " + parentPath);
System.out.println("Parent Directory = " + parentDir);
System.out.println();
System.out.println("Original Filename = " + parentPath);
parentPath = parentDir.getParent();
parentDir = parentDir.getParentFile();
System.out.println("Parent Path = " + parentPath);
System.out.println("Parent Directory = " + parentDir);
}
/**
* Sole entry point to the class and application.
* @param args Array of String arguments.
*/
public static void main(String[] args) {
doTest();
}
}
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