deyanpeev · deyanpeev · Nov 19, 2022 · Nov 19, 2022
diff --git a/Seminar 5/code/Project 5/.idea/.gitignore b/Seminar 5/code/Project 5/.idea/.gitignore
diff --git a/Seminar 5/code/Project 5/.idea/misc.xml b/Seminar 5/code/Project 5/.idea/misc.xml
diff --git a/Seminar 5/code/Project 5/.idea/modules.xml b/Seminar 5/code/Project 5/.idea/modules.xml
diff --git a/Seminar 5/code/Project 5/.idea/vcs.xml b/Seminar 5/code/Project 5/.idea/vcs.xml
diff --git a/Seminar 5/code/Project 5/Project 5.iml b/Seminar 5/code/Project 5/Project 5.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
diff --git a/Seminar 5/code/Project 5/file1.txt b/Seminar 5/code/Project 5/file1.txt
@@ -0,0 +1 @@
+Some text here
diff --git a/Seminar 5/code/Project 5/myfile.txt b/Seminar 5/code/Project 5/myfile.txt
diff --git a/Seminar 5/code/Project 5/out/production/Project 5/Main.class b/Seminar 5/code/Project 5/out/production/Project 5/Main.class
diff --git a/Seminar 5/code/Project 5/out/production/Project 5/Student.class b/Seminar 5/code/Project 5/out/production/Project 5/Student.class
diff --git a/Seminar 5/code/Project 5/src/Main.java b/Seminar 5/code/Project 5/src/Main.java
@@ -0,0 +1,74 @@
+import java.io.*;
+
+public class Main {
+    private static final String FILE_NAME = "myfile.txt";
+
+    public static void main(String[] args) {
+//        Student s1 = new Student();
+//        s1.setFacultyNumber("123124");
+//        s1.setName("Bai Ivan");
+//        s1.setEmail("BaiIvan@abv.bg");
+
+        Student s2 = deserializeStudent();
+        System.out.println(s2.getEmail());
+    }
+
+    public static void externalizeTeacher(Teacher teacher) {
+        try (FileOutputStream fileOutput = new FileOutputStream(FILE_NAME);
+             ObjectOutputStream objectOut = new ObjectOutputStream(fileOutput);) {
+            objectOut.writeObject(teacher);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static Student deserializeStudent() {
+        Student result = null;
+        try (FileInputStream fileOutput = new FileInputStream(FILE_NAME);
+             ObjectInputStream objectOut = new ObjectInputStream(fileOutput);) {
+            result = (Student)objectOut.readObject();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        }
+
+        return result;
+    }
+
+    public static void serializeStudent(Student student) {
+        try (FileOutputStream fileOutput = new FileOutputStream(FILE_NAME);
+             ObjectOutputStream objectOut = new ObjectOutputStream(fileOutput);) {
+            objectOut.writeObject(student);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void writeToAFile(String fileName) {
+        try(BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(fileName))) {
+            String fileContent = "Some text here";
+            bufferedWriter.write(fileContent);
+        } catch (IOException e) {
+            // Exception handling
+        }
+    }
+
+    public static String readStringFromAFile(String fileName) {
+        String result = "";
+        try (BufferedReader bufferedReader = new BufferedReader(new FileReader(fileName))) {
+            String line = bufferedReader.readLine();
+            while (line != null) {
+                System.out.println("I am from 25: " + line);
+                result += line;
+                line = bufferedReader.readLine();
+            }
+        } catch (FileNotFoundException e) {
+            // Exception handling
+        } catch (IOException e) {
+            // Exception handling
+        }
+
+        return result;
+    }
+}
diff --git a/Seminar 5/code/Project 5/src/Student.java b/Seminar 5/code/Project 5/src/Student.java
@@ -0,0 +1,31 @@
+import java.io.Serializable;
+
+public class Student implements Serializable {
+    private String facultyNumber;
+    private String name;
+    private String email;
+
+    public String getFacultyNumber() {
+        return facultyNumber;
+    }
+
+    public void setFacultyNumber(String facultyNumber) {
+        this.facultyNumber = facultyNumber;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+}
diff --git a/Seminar 5/code/Project 5/src/Teacher.java b/Seminar 5/code/Project 5/src/Teacher.java
@@ -0,0 +1,35 @@
+import java.io.Externalizable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+
+public class Teacher implements Externalizable {
+    private String name;
+    private boolean isStupid;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public boolean isStupid() {
+        return isStupid;
+    }
+
+    public void setStupid(boolean stupid) {
+        isStupid = stupid;
+    }
+
+    @Override
+    public void writeExternal(ObjectOutput out) throws IOException {
+        out.writeUTF(this.getName());
+    }
+
+    @Override
+    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+        this.setName(in.readUTF());
+    }
+}