iSharkFly-Docs/java-tutorials
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #7354 from sreekanthsnair/master

Browse Source 
Get Current Directory Using Java
This commit is contained in:
rpvilao 2019-07-20 09:32:34 +02:00 committed by GitHub
commit 085d49aee8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 74 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
core-java-modules/core-java-os/src/main/java/com/baeldung/core/pwd/CurrentDirectoryFetcher.java Normal file
View File

@ -0,0 +1,40 @@
package com.baeldung.core.pwd;
import java.io.File;
import java.nio.file.FileSystems;
import java.nio.file.Paths;
public final class CurrentDirectoryFetcher {
public static void main(String[] args) {
System.out.printf("Current Directory Using Java System API: %s%n", currentDirectoryUsingSystemProperties());
System.out.printf("Current Directory Using Java IO File API: %s%n", currentDirectoryUsingFile());
System.out.printf("Current Directory Using Java NIO FileSystems API: %s%n", currentDirectoryUsingFileSystems());
System.out.printf("Current Directory Using Java NIO Paths API: %s%n", currentDirectoryUsingPaths());
}
public static String currentDirectoryUsingSystemProperties() {
return System.getProperty("user.dir");
}
public static String currentDirectoryUsingPaths() {
return Paths.get("")
.toAbsolutePath()
.toString();
}
public static String currentDirectoryUsingFileSystems() {
return FileSystems.getDefault()
.getPath("")
.toAbsolutePath()
.toString();
}
public static String currentDirectoryUsingFile() {
return new File("").getAbsolutePath();
}
}

34
core-java-modules/core-java-os/src/test/java/com/baeldung/core/pwd/CurrentDirectoryFetcherTest.java Normal file
View File

@ -0,0 +1,34 @@
package com.baeldung.core.pwd;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class CurrentDirectoryFetcherTest {
private static final String CURRENT_DIR = "core-java-os";
@Test
public void whenUsingSystemProperties_thenReturnCurrentDirectory() {
assertTrue(CurrentDirectoryFetcher.currentDirectoryUsingSystemProperties()
.endsWith(CURRENT_DIR));
}
@Test
public void whenUsingJavaNioPaths_thenReturnCurrentDirectory() {
assertTrue(CurrentDirectoryFetcher.currentDirectoryUsingPaths()
.endsWith(CURRENT_DIR));
}
@Test
public void whenUsingJavaNioFileSystems_thenReturnCurrentDirectory() {
assertTrue(CurrentDirectoryFetcher.currentDirectoryUsingFileSystems()
.endsWith(CURRENT_DIR));
}
@Test
public void whenUsingJavaIoFile_thenReturnCurrentDirectory() {
assertTrue(CurrentDirectoryFetcher.currentDirectoryUsingFile()
.endsWith(CURRENT_DIR));
}
}