Path operation - Java File Path IO

Java examples for File Path IO:File Path

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Description

Path operation

Demo Code

import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.LinkOption;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Spliterator;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;

/**//from w  w  w . java 2 s.com
 * Created by Hernan Y.Ke on 2015/11/2.
 */
public class Pathtest {
    public static void main(String[] args){
    Path path = Paths.get("C:",System.getProperty("user.name"), "download");
    System.out.println(path);
    Path filepath1 = Paths.get("CP1", "test.txt");
    Path filepath2 = Paths.get("CP1", "test2.txt");
    System.out.println(path.getRoot()); //Does not exist if no C:\
    System.out.println(path.subpath(0,2));
    System.out.println(path.getParent());
    URI uri = path.toUri();
    System.out.println(uri);
    System.out.println(filepath1.getRoot());//Does not exist.
    System.out.println(filepath1.getFileName());

    //path -> file
    File f = path.toFile();
    try {
        System.out.println(filepath1.toRealPath(LinkOption.NOFOLLOW_LINKS));//absolute links
    } catch (IOException e) {
        e.printStackTrace();
    }
    try {
        Stream<String> lines = Files.lines(filepath1);
        lines.forEach(System.out::println);
    }catch(IOException e){
        e.printStackTrace();
    }


    //Combine path
    System.out.println(path.resolve("test.txt"));
    //resolvesbiling
    System.out.println(path.resolveSibling("downloadnew"));
    //relativize. How to navigate from path1 to path2
    System.out.println(filepath1.relativize(path.getFileName()));

    try {
        //compare two paths, do not use equals method
        System.out.println(filepath1);
        System.out.println(filepath2.getParent().resolve("test2.txt"));
        System.out.println(Files.isSameFile(filepath1,filepath2.getParent().resolve("test.txt")));
    } catch (IOException e) {
        e.printStackTrace();
    }

    //iterate path
    System.out.println("Now printing separated path");
    for(Path p : path){
        System.out.println(p);
    }
}
}

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