Merge pull request mouredev#7329 from danhingar/ejercicio25

#25 - Java

Author: kontroldev

Roadmap/25 - LOGS/java/danhingar.java

@@ -0,0 +1,182 @@
+import java.text.SimpleDateFormat;
+import java.time.Duration;
+import java.time.LocalTime;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Formatter;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.LogRecord;
+import java.util.logging.Logger;
+
+public class danhingar {
+    private final static Logger log = Logger.getLogger(danhingar.class.getName());
+
+    public static void main(String[] args) {
+
+        configLog();
+
+        log.info("LOG INFO");
+        log.warning("LOG WARNING");
+        log.severe("LOG SEVERE");
+        log.config("LOG CONFIG");
+        log.fine("LOG FINE");
+        log.finest("LOG FINEST");
+        log.finer("LOG FINER");
+
+        TaskManager taskManager = new TaskManager();
+        taskManager.listTasks();
+        taskManager.addTask("Pan", "Comprar 5 barras de pan");
+        taskManager.addTask("Python", "Estudiar Python");
+        taskManager.listTasks();
+        taskManager.deleteTask("Python");
+        taskManager.listTasks();
+        taskManager.addTask("Pan", "Comprar 5 barras de pan");
+        taskManager.deleteTask("Python");
+        taskManager.addTask("Task1", "Busqueda");
+    }
+
+    static void configLog() {
+
+        ConsoleHandler consoleHandler = new ConsoleHandler();
+        consoleHandler.setLevel(Level.ALL);
+
+        consoleHandler.setFormatter(new CustomFormatter());
+
+        log.addHandler(consoleHandler);
+
+        log.setLevel(Level.ALL);
+
+        // Eliminando los handler existentes
+        Logger parentLogger = log.getParent();
+        for (Handler handler : parentLogger.getHandlers()) {
+            parentLogger.removeHandler(handler);
+        }
+
+    }
+
+}
+
+class CustomFormatter extends Formatter {
+    @Override
+    public String format(LogRecord record) {
+        // Formato personalizado: timestamp - level - mensaje
+        String timestamp = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date(record.getMillis()));
+        String level = record.getLevel().getName();
+        String message = formatMessage(record);
+
+        return String.format("%s - %s - %s%n", timestamp, level, message);
+    }
+}
+
+// EXTRA
+class TaskManager {
+
+    private final static Logger log = Logger.getLogger(danhingar.class.getName());
+
+    private Set<Task> tasks;
+
+    public TaskManager() {
+        tasks = new HashSet<>();
+    }
+
+    public void addTask(String name, String description) {
+        LocalTime start = LocalTime.now();
+        if (tasks.stream().anyMatch(t -> t.getName().equals(name))) {
+            log.warning(String.format("Se ha intentado añadir una tarea que ya existe: %s", name));
+        }
+        Task task = new Task(name, description);
+        tasks.add(task);
+        log.info(String.format("Tarea añadida: %s", name));
+        log.fine(String.format("Número de tareas: %d", tasks.size()));
+        LocalTime end = LocalTime.now();
+        printTime(start, end);
+    }
+
+    public void listTasks() {
+        LocalTime start = LocalTime.now();
+        if (tasks.size() > 0) {
+            log.info("Se va a imprimir el listado de tareas");
+            for (Task task : tasks) {
+                System.out.println(task.toString());
+            }
+        } else {
+            log.info("No hay tareas para mostrar.");
+        }
+        LocalTime end = LocalTime.now();
+        printTime(start, end);
+
+    }
+
+    public void deleteTask(String name) {
+        LocalTime start = LocalTime.now();
+        if (!tasks.stream().anyMatch(t -> t.getName().equals(name))) {
+            log.warning(String.format("Se ha intentado eliminar una tarea que no existe:", name));
+        } else {
+            tasks.remove(tasks.stream().filter(t -> t.getName().equals(name)).findFirst().get());
+            log.info(String.format("Se ha eliminado la tarea: %s", name));
+            log.fine(String.format("Número de tareas: %d", tasks.size()));
+        }
+        LocalTime end = LocalTime.now();
+        printTime(start, end);
+
+    }
+
+    private void printTime(LocalTime start, LocalTime end) {
+        float time = (float) Duration.between(start, end).toNanos()/1000000000;
+        log.finest(String.format("Tiempo de ejecución: %.6f", time));
+    }
+
+    static void configLog() {
+
+        ConsoleHandler consoleHandler = new ConsoleHandler();
+        consoleHandler.setLevel(Level.ALL);
+
+        consoleHandler.setFormatter(new CustomFormatter());
+
+        log.addHandler(consoleHandler);
+
+        log.setLevel(Level.ALL);
+
+        // Eliminando los handler existentes
+        Logger parentLogger = log.getParent();
+        for (Handler handler : parentLogger.getHandlers()) {
+            parentLogger.removeHandler(handler);
+        }
+
+    }
+}
+
+class Task {
+    private String name;
+    private String description;
+
+    public Task(String name, String description) {
+        this.name = name;
+        this.description = description;
+    }
+
+    @Override
+    public String toString() {
+        return "Task [name=" + name + ", description=" + description + "]";
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+}