From fd99c16e89159c1ae5acaff3d3a5577edfacef8b Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Fri, 1 Nov 2024 16:52:25 +0100
Subject: [PATCH] added builder example

---
 src/learn/simple_builder/Builder.java         | 16 +++++++++++
 src/learn/simple_builder/ConcreteBuilder.java | 18 ++++++++++++
 src/learn/simple_builder/Director.java        | 18 ++++++++++++
 src/learn/simple_builder/Main.java            | 12 ++++++++
 src/learn/simple_builder/Product.java         | 28 +++++++++++++++++++
 5 files changed, 92 insertions(+)
 create mode 100644 src/learn/simple_builder/Builder.java
 create mode 100644 src/learn/simple_builder/ConcreteBuilder.java
 create mode 100644 src/learn/simple_builder/Director.java
 create mode 100644 src/learn/simple_builder/Main.java
 create mode 100644 src/learn/simple_builder/Product.java

diff --git a/src/learn/simple_builder/Builder.java b/src/learn/simple_builder/Builder.java
new file mode 100644
index 0000000..21a5170
--- /dev/null
+++ b/src/learn/simple_builder/Builder.java
@@ -0,0 +1,16 @@
+package learn.simple_builder;
+
+public abstract class Builder {
+    protected Product product;
+
+    public void setProduct(Product product) {
+        this.product = product;
+    }
+    public Product getProduct() {
+        return product;
+    }
+
+    public abstract void buildPartA();
+    public abstract void buildPartB();
+    public abstract void buildPartC();
+}
diff --git a/src/learn/simple_builder/ConcreteBuilder.java b/src/learn/simple_builder/ConcreteBuilder.java
new file mode 100644
index 0000000..770ee90
--- /dev/null
+++ b/src/learn/simple_builder/ConcreteBuilder.java
@@ -0,0 +1,18 @@
+package learn.simple_builder;
+
+public class ConcreteBuilder extends Builder {
+    @Override
+    public void buildPartA() {
+        product.setPartA("material 1");
+    }
+
+    @Override
+    public void buildPartB() {
+        product.setPartB("material 2");
+    }
+
+    @Override
+    public void buildPartC() {
+        product.setPartC("material 3");
+    }
+}
diff --git a/src/learn/simple_builder/Director.java b/src/learn/simple_builder/Director.java
new file mode 100644
index 0000000..cf8c74b
--- /dev/null
+++ b/src/learn/simple_builder/Director.java
@@ -0,0 +1,18 @@
+package learn.simple_builder;
+
+public class Director {
+    private Builder builder;
+    private Product product;
+
+    public void setBuilder(Builder builder) {
+        this.builder = builder;
+        product = new Product();
+        this.builder.setProduct(product);
+    }
+
+    public void construct() {
+        builder.buildPartA();
+        builder.buildPartB();
+        builder.buildPartC();
+    }
+}
diff --git a/src/learn/simple_builder/Main.java b/src/learn/simple_builder/Main.java
new file mode 100644
index 0000000..b03667c
--- /dev/null
+++ b/src/learn/simple_builder/Main.java
@@ -0,0 +1,12 @@
+package learn.simple_builder;
+
+public class Main {
+    public static void main(String[] args) {
+        Builder builder = new ConcreteBuilder();
+        Director director = new Director();
+        director.setBuilder(builder);
+        director.construct();
+        Product finalProduct = builder.getProduct();
+        System.out.println(finalProduct);
+    }
+}
diff --git a/src/learn/simple_builder/Product.java b/src/learn/simple_builder/Product.java
new file mode 100644
index 0000000..a99c068
--- /dev/null
+++ b/src/learn/simple_builder/Product.java
@@ -0,0 +1,28 @@
+package learn.simple_builder;
+
+public class Product {
+    private String partA;
+    private String partB;
+    private String partC;
+
+    @Override
+    public String toString() {
+        return "Product{" +
+                "partA='" + partA + '\'' +
+                ", partB='" + partB + '\'' +
+                ", partC='" + partC + '\'' +
+                '}';
+    }
+
+    public void setPartA(String partA) {
+        this.partA = partA;
+    }
+
+    public void setPartB(String partB) {
+        this.partB = partB;
+    }
+
+    public void setPartC(String partC) {
+        this.partC = partC;
+    }
+}