Revert "Implementing the Template Method Pattern with Java - BAEL-1289 (#3038)" (#3042)

This reverts commit c0f9c00a3b.

patterns/template-method/src/main/java/com/baeldung/templatemethodpattern/model/Computer.java

@@ -2,16 +2,36 @@ package com.baeldung.templatemethodpattern.model;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.ArrayList;
+import java.util.List;
 
-public class Computer {
+public abstract class ComputerBuilder {
     
-    private Map<String, String> computerParts = new HashMap<>();
+    protected Map<String, String> computerParts = new HashMap<>();
+    protected List<String> moterboardSetupStatus = new ArrayList<>();
     
-    public Computer(Map<String, String> computerParts) {
+    public final Computer buildComputer() {
-        this.computerParts = computerParts;
+        addMotherboard();
+        setupMotherboard();
+        addProcessor();
+        return getComputer();
     }
     
+    public abstract void addMotherboard();
+    
+     public abstract void setupMotherboard();
+    
+    public abstract void addProcessor();
+    
+    public List<String> getMotherboardSetupStatus() {
+        return moterboardSetupStatus;
+    }
+        
     public Map<String, String> getComputerParts() {
         return computerParts;
     }
+     
+    private Computer getComputer() {
+        return new Computer(computerParts);
+    }
 }

patterns/template-method/src/main/java/com/baeldung/templatemethodpattern/model/ComputerBuilder.java

@@ -8,7 +8,7 @@ import java.util.Map;
 public abstract class ComputerBuilder {
 
     protected Map<String, String> computerParts = new HashMap<>();
-    protected List<String> motherboardSetupStatus = new ArrayList<>();
+    protected List<String> moterboardSetupStatus = new ArrayList<>();
     
     public final Computer buildComputer() {
         addMotherboard();
@@ -24,9 +24,9 @@ public abstract class ComputerBuilder {
     public abstract void addProcessor();
 
     public List<String> getMotherboardSetupStatus() {
-        return motherboardSetupStatus;
+        return moterboardSetupStatus;
     }
-    
+
     public Map<String, String> getComputerParts() {
         return computerParts;
     }

patterns/template-method/src/main/java/com/baeldung/templatemethodpattern/model/HighEndComputer.java

@@ -0,0 +1,26 @@
+package com.baeldung.templatemethodpattern.model;
+
+public class HighEndComputer extends Computer {
+
+    @Override
+    public void addMotherboard() {
+         computerParts.put("Motherboard", "High-end Motherboard");
+    }
+    
+    @Override
+    public void setupMotherboard() {
+        moterboardSetupStatus.add("Screwing the high-end motherboard to the case.");
+        moterboardSetupStatus.add("Pluging in the power supply connectors.");
+        moterboardSetupStatus.forEach(step -> System.out.println(step));
+    }
+    
+    @Override
+    public void addProcessor() {
+         computerParts.put("Processor", "High-end Processor");
+    }
+    
+    @Override
+    public void addMotherboard() {
+         computerParts.put("Motherboard", "High End Motherboard");
+    }
+}

patterns/template-method/src/main/java/com/baeldung/templatemethodpattern/model/HighEndComputerBuilder.java

@@ -9,13 +9,13 @@ public class HighEndComputerBuilder extends ComputerBuilder {
     
     @Override
     public void setupMotherboard() {
-        motherboardSetupStatus.add("Screwing the high-end motherboard to the case.");
+        moterboardSetupStatus.add("Screwing the high-end motherboard to the case.");
-        motherboardSetupStatus.add("Pluging in the power supply connectors.");
+        moterboardSetupStatus.add("Pluging in the power supply connectors.");
-        motherboardSetupStatus.forEach(step -> System.out.println(step));
+        moterboardSetupStatus.forEach(step -> System.out.println(step));
     }
     
     @Override
     public void addProcessor() {
-        computerParts.put("Processor", "High-end Processor");
+         computerParts.put("Processor", "High-end Processor");
     }
 }

patterns/template-method/src/main/java/com/baeldung/templatemethodpattern/model/StandardComputer.java

@@ -0,0 +1,25 @@
+package com.baeldung.templatemethodpattern.model;
+ 
+public class StandardComputer extends Computer {
+    
+    public void addMotherboard() {
+        computerParts.put("Motherboard", "Standard Motherboard");
+    }
+    
+    @Override
+    public void setupMotherboard() {
+        moterboardSetupStatus.add("Screwing the standard motherboard to the case.");
+        moterboardSetupStatus.add("Pluging in the power supply connectors.");
+        moterboardSetupStatus.forEach(step -> System.out.println(step));
+    }
+    
+    @Override
+    public void addProcessor() {
+        computerParts.put("Processor", "Standard Processor");
+    }
+
+    @Override
+    public void addMotherboard() {
+        computerParts.put("Motherboard", "Standard Motherboard");
+    }
+}

patterns/template-method/src/main/java/com/baeldung/templatemethodpattern/model/StandardComputerBuilder.java

@@ -9,9 +9,9 @@ public class StandardComputerBuilder extends ComputerBuilder {
     
     @Override
     public void setupMotherboard() {
-        motherboardSetupStatus.add("Screwing the standard motherboard to the case.");
+        moterboardSetupStatus.add("Screwing the standard motherboard to the case.");
-        motherboardSetupStatus.add("Pluging in the power supply connectors.");
+        moterboardSetupStatus.add("Pluging in the power supply connectors.");
-        motherboardSetupStatus.forEach(step -> System.out.println(step));
+        moterboardSetupStatus.forEach(step -> System.out.println(step));
     }
     
     @Override

patterns/template-method/src/test/java/com/baeldung/templatemethodpatterntest/TemplateMethodPatternTest.java

@@ -29,8 +29,8 @@ public class TemplateMethodPatternTest {
 
     @Test
     public void givenStandardMotherBoard_whenAddingMotherBoard_thenEqualAssertion() {
-        standardComputerBuilder.addMotherboard();
+        standardComputer.addMotherboard();
-        assertEquals("Standard Motherboard", standardComputerBuilder.getComputerParts().get("Motherboard"));
+        assertEquals("Standard Motherboard", standardComputer.getComputerParts().get("Motherboard"));
     }
 
     @Test
@@ -81,6 +81,7 @@ public class TemplateMethodPatternTest {
         highEndComputerBuilder.buildComputer();
         assertEquals(2, highEndComputerBuilder.getComputerParts().size());
     }
+    
     @Test
     public void givenAllHighEndParts_whenComputerisBuilt_thenComputerInstance() {
         assertThat(standardComputerBuilder.buildComputer(), instanceOf(Computer.class));