[BAEL-15998] - Move articles out of core-java-io part 1

core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileSearchExample.java

@@ -0,0 +1,56 @@
+package com.baeldung.filevisitor;
+
+import java.io.IOException;
+import java.nio.file.*;
+import java.nio.file.attribute.BasicFileAttributes;
+
+import static java.nio.file.FileVisitResult.CONTINUE;
+import static java.nio.file.FileVisitResult.TERMINATE;
+
+public class FileSearchExample implements FileVisitor<Path> {
+    private final String fileName;
+    private final Path startDir;
+
+    public FileSearchExample(String fileName, Path startingDir) {
+        this.fileName = fileName;
+        startDir = startingDir;
+    }
+
+    @Override
+    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
+        return CONTINUE;
+    }
+
+    @Override
+    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+        String fileName = file.getFileName().toString();
+        if (this.fileName.equals(fileName)) {
+            System.out.println("File found: " + file.toString());
+            return TERMINATE;
+        }
+        return CONTINUE;
+    }
+
+    @Override
+    public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
+        System.out.println("Failed to access file: " + file.toString());
+        return CONTINUE;
+    }
+
+    @Override
+    public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
+        boolean finishedSearch = Files.isSameFile(dir, startDir);
+        if (finishedSearch) {
+            System.out.println("File:" + fileName + " not found");
+            return TERMINATE;
+        }
+        return CONTINUE;
+    }
+
+    public static void main(String[] args) throws IOException {
+        Path startingDir = Paths.get("C:/Users/new/Desktop");
+        FileSearchExample crawler = new FileSearchExample("hibernate.txt", startingDir);
+        Files.walkFileTree(startingDir, crawler);
+    }
+
+}

core-java-modules/core-java-nio/src/main/java/com/baeldung/filevisitor/FileVisitorImpl.java

@@ -0,0 +1,30 @@
+package com.baeldung.filevisitor;
+
+import java.io.IOException;
+import java.nio.file.FileVisitResult;
+import java.nio.file.FileVisitor;
+import java.nio.file.Path;
+import java.nio.file.attribute.BasicFileAttributes;
+
+public class FileVisitorImpl implements FileVisitor<Path> {
+
+    @Override
+    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
+        return null;
+    }
+
+    @Override
+    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
+        return null;
+    }
+
+    @Override
+    public FileVisitResult visitFileFailed(Path file, IOException exc) {
+        return null;
+    }
+
+    @Override
+    public FileVisitResult postVisitDirectory(Path dir, IOException exc) {
+        return null;
+    }
+}

core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/Main.java

@@ -1,13 +1,13 @@
-package com.baeldung.file;
+package com.baeldung.lines;
 
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingApacheCommonsIO;
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingBufferedReader;
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingGoogleGuava;
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingLineNumberReader;
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFileChannel;
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFiles;
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFilesReadAllLines;
-import static com.baeldung.file.NumberOfLineFinder.getTotalNumberOfLinesUsingScanner;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingApacheCommonsIO;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingBufferedReader;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingGoogleGuava;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingLineNumberReader;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFileChannel;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFiles;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingNIOFilesReadAllLines;
+import static com.baeldung.lines.NumberOfLineFinder.getTotalNumberOfLinesUsingScanner;
 
 public class Main {
 

core-java-modules/core-java-nio/src/main/java/com/baeldung/lines/NumberOfLineFinder.java

@@ -1,4 +1,4 @@
-package com.baeldung.file;
+package com.baeldung.lines;
 
 import java.io.BufferedReader;
 import java.io.File;