Куков Михаил. ПрИ-201. Модуль 5

task01/src/com/example/task01/ImportantLevels.java

@@ -0,0 +1,8 @@
+package com.example.task01;
+
+public enum ImportantLevels {
+    DEBUG,
+    INFO,
+    WARNING,
+    ERROR;
+}

task01/src/com/example/task01/Logger.java

@@ -0,0 +1,90 @@
+package com.example.task01;
+
+import com.sun.xml.internal.ws.wsdl.writer.document.Import;
+
+import java.util.HashMap;
+import java.text.MessageFormat;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class Logger {
+    private final String name;
+    private static final HashMap<String, Logger> loggers = new HashMap<>();
+    private ImportantLevels level;
+
+    public Logger(String name) {
+        this.name = name;
+        loggers.put(name, this);
+    }
+
+    public Logger(String name, ImportantLevels level) {
+        this.name = name;
+        this.level = level;
+        loggers.put(name, this);
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public static Logger getLogger(String name) {
+        if (loggers.containsKey(name)) {
+            return loggers.get(name);
+        }
+        return new Logger(name);
+    }
+
+    public ImportantLevels getLevel() {
+        return level;
+    }
+
+    public void setLevel(ImportantLevels level) {
+        this.level = level;
+    }
+
+    public void log(ImportantLevels level, String message) {
+        if (this.level.ordinal() <= level.ordinal()) {
+            String dateTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy.MM.dd HH:mm:ss"));
+            String formattedMessage = MessageFormat.format("[{0}] {1} {2} - {3}", level, dateTime, name, message);
+            System.out.println(formattedMessage);
+        }
+    }
+
+    public void log(ImportantLevels level, String pattern, Object... args) {
+        if (this.level.ordinal() <= level.ordinal()) {
+            System.out.println(MessageFormat.format(pattern, args));
+        }
+    }
+
+    public void debug(String message) {
+        log(ImportantLevels.DEBUG, message);
+    }
+
+    public void debug(String pattern, Object... args) {
+        log(ImportantLevels.DEBUG, pattern, args);
+    }
+
+    public void info(String message) {
+        log(ImportantLevels.INFO, message);
+    }
+
+    public void info(String pattern, Object... args) {
+        log(ImportantLevels.INFO, pattern, args);
+    }
+
+    public void warning(String message) {
+        log(ImportantLevels.WARNING, message);
+    }
+
+    public void warning(String pattern, Object... args) {
+        log(ImportantLevels.WARNING, pattern, args);
+    }
+
+    public void error(String message) {
+        log(ImportantLevels.ERROR, message);
+    }
+
+    public void error(String pattern, Object... args) {
+        log(ImportantLevels.ERROR, pattern, args);
+    }
+}

task01/src/com/example/task01/Task01Main.java

@@ -2,6 +2,10 @@
 
 public class Task01Main {
     public static void main(String[] args) {
-
+        Logger logger1 = new Logger("name");
+        Logger logger2 = Logger.getLogger("name1");
+        Logger logger3 = Logger.getLogger("name1");
+        System.out.println(logger1 == logger2);
+        System.out.println(logger2 == logger3);
     }
 }

task02/src/com/example/task02/DiscountBill.java

@@ -0,0 +1,23 @@
+package com.example.task02;
+
+public class DiscountBill extends Bill{
+    private final double discount;
+
+    public DiscountBill(double discount) {
+        this.discount = discount;
+    }
+
+    @Override
+    public long getPrice() {
+        long price = super.getPrice();
+        return (long)(price - (price * (discount / 100)));
+    }
+
+    public long getAbsoluteDiscount() {
+        return super.getPrice() - getPrice();
+    }
+
+    public String getDiscount() {
+        return discount + "%";
+    }
+}

task02/src/com/example/task02/Task02Main.java

@@ -10,12 +10,21 @@ public class Task02Main {
     private static final Item ITEM6 = new Item("Товар 6", 60);
 
     public static void main(String[] args) {
+        System.out.println("Обычный счет");
         Bill bill = new Bill();
         bill.add(ITEM1, 10);
         bill.add(ITEM3, 3);
         bill.add(ITEM6, 1);
         System.out.println(bill);
         bill.add(ITEM3, 3);
         System.out.println(bill);
+        System.out.println("Cчет со скидкой");
+        DiscountBill discountBill = new DiscountBill(10.5);
+        discountBill.add(ITEM1, 10);
+        discountBill.add(ITEM3, 3);
+        discountBill.add(ITEM6, 1);
+        System.out.println(discountBill);
+        System.out.println(discountBill.getDiscount());
+        System.out.println(discountBill.getAbsoluteDiscount());
     }
 }

task03/src/com/example/task03/Hours.java

@@ -0,0 +1,34 @@
+package com.example.task03;
+
+public class Hours implements TimeUnit {
+
+    private final long amount;
+
+    public Hours(long amount) {
+        this.amount = amount;
+    }
+
+    public long toMillis() {
+        return amount * 60 * 60 * 1000;
+    }
+
+    @Override
+    public long toSeconds() {
+        return amount * 60 * 60;
+    }
+
+    @Override
+    public long toMinutes() {
+        return amount * 60;
+    }
+
+    @Override
+    public long toHours() {
+        return amount;
+    }
+
+    @Override
+    public long getHours() {
+        return this.toHours();
+    }
+}

task03/src/com/example/task03/Milliseconds.java

@@ -18,11 +18,21 @@ public long toMillis() {
 
     @Override
     public long toSeconds() {
-        return amount / 1000;
+        return Math.round(amount / 1000f);
     }
 
     @Override
     public long toMinutes() {
-        return amount / 1000 * 60;
+        return Math.round(amount / (float)(1000 * 60));
+    }
+
+    @Override
+    public long toHours() {
+        return Math.round(amount / (float)(1000 * 60 * 60));
+    }
+
+    @Override
+    public long getHours() {
+        return this.toHours();
     }
 }

task03/src/com/example/task03/Minutes.java

@@ -2,26 +2,34 @@
 
 public class Minutes implements TimeUnit {
 
+    private final long amount;
+
     public Minutes(long amount) {
-        // TODO: реализовать
-        throw new UnsupportedOperationException();
+        this.amount = amount;
     }
 
     @Override
     public long toMillis() {
-        // TODO: реализовать
-        throw new UnsupportedOperationException();
+        return amount * 60 * 1000;
     }
 
     @Override
     public long toSeconds() {
-        // TODO: реализовать
-        throw new UnsupportedOperationException();
+        return amount * 60;
     }
 
     @Override
     public long toMinutes() {
-        // TODO: реализовать
-        throw new UnsupportedOperationException();
+        return amount;
+    }
+
+    @Override
+    public long toHours() {
+        return Math.round(amount / 60f);
+    }
+
+    @Override
+    public long getHours() {
+        return this.toHours();
     }
 }

task03/src/com/example/task03/Seconds.java

@@ -23,6 +23,16 @@ public long toSeconds() {
 
     @Override
     public long toMinutes() {
-        return Math.round(amount / 60);
+        return Math.round(amount / 60f);
+    }
+
+    @Override
+    public long toHours() {
+        return Math.round(amount / 3600f);
+    }
+
+    @Override
+    public long getHours() {
+        return this.toHours();
     }
 }

task03/src/com/example/task03/TimeUnit.java

@@ -28,4 +28,7 @@ public interface TimeUnit {
      */
     long toMinutes();
 
+    long toHours();
+
+    long getHours();
 }

task03/src/com/example/task03/TimeUnitUtils.java

@@ -15,6 +15,14 @@ public static Milliseconds toMillis(Seconds seconds) {
         return new Milliseconds(seconds.toMillis());
     }
 
+    public static Milliseconds toMillis(Minutes minutes) {
+        return new Milliseconds(minutes.toMillis());
+    }
+
+    public static Milliseconds toMillis(Hours hours) {
+        return new Milliseconds(hours.toMillis());
+    }
+
     /**
      * Конвертирует интервал в миллисекундах в интервал в секундах
      *
@@ -24,4 +32,36 @@ public static Milliseconds toMillis(Seconds seconds) {
     public static Seconds toSeconds(Milliseconds millis) {
         return new Seconds(millis.toSeconds());
     }
-}
+
+    public static Seconds toSeconds(Minutes minutes) {
+        return new Seconds(minutes.toSeconds());
+    }
+
+    public static Seconds toSeconds(Hours hours) {
+        return new Seconds(hours.toSeconds());
+    }
+
+    public static Minutes toMinutes(Milliseconds milliseconds) {
+        return new Minutes(milliseconds.toMinutes());
+    }
+
+    public static Minutes toMinutes(Seconds seconds) {
+        return new Minutes(seconds.toMinutes());
+    }
+
+    public static Minutes toMinutes(Hours hours) {
+        return new Minutes(hours.toMinutes());
+    }
+
+    public static Hours toHours(Milliseconds milliseconds) {
+        return new Hours(milliseconds.toHours());
+    }
+
+    public static Hours toHours(Seconds seconds) {
+        return new Hours(seconds.toHours());
+    }
+
+    public static Hours toHours(Minutes minutes) {
+        return new Hours(minutes.toHours());
+    }
+}

task04/src/com/example/task04/ConsoleHandler.java

@@ -0,0 +1,9 @@
+package com.example.task04;
+
+public class ConsoleHandler implements MessageHandler {
+
+    @Override
+    public void log(String message) {
+        System.out.println(message);
+    }
+}

task04/src/com/example/task04/FileHandler.java

@@ -0,0 +1,19 @@
+package com.example.task04;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class FileHandler implements MessageHandler {
+    private final PrintWriter writer;
+
+    public FileHandler(String file_path, boolean appendable) throws IOException {
+        writer = new PrintWriter(new FileWriter(file_path, appendable));
+    }
+
+    @Override
+    public void log(String message) {
+        writer.println(message);
+        writer.close();
+    }
+}

task04/src/com/example/task04/ImportantLevels.java

@@ -0,0 +1,8 @@
+package com.example.task04;
+
+public enum ImportantLevels {
+    DEBUG,
+    INFO,
+    WARNING,
+    ERROR;
+}