39 lines
1.3 KiB
Java
39 lines
1.3 KiB
Java
package com.iluwatar;
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import com.iluwatar.Hero.HeroBuilder;
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/**
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*
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* This is the Builder pattern variation as described by Joshua Bloch in
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* Effective Java 2nd Edition.
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*
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* We want to build Hero objects, but its construction is complex because of the
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* many parameters needed. To aid the user we introduce HeroBuilder class.
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* HeroBuilder takes the minimum parameters to build Hero object in its
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* constructor. After that additional configuration for the Hero object can be
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* done using the fluent HeroBuilder interface. When configuration is ready the
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* build method is called to receive the final Hero object.
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*
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*/
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public class App {
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public static void main(String[] args) {
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Hero mage = new HeroBuilder(Profession.MAGE, "Riobard")
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.withHairColor(HairColor.BLACK).withWeapon(Weapon.DAGGER)
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.build();
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System.out.println(mage);
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Hero warrior = new HeroBuilder(Profession.WARRIOR, "Amberjill")
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.withHairColor(HairColor.BLOND)
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.withHairType(HairType.LONG_CURLY).withArmor(Armor.CHAIN_MAIL)
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.withWeapon(Weapon.SWORD).build();
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System.out.println(warrior);
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Hero thief = new HeroBuilder(Profession.THIEF, "Desmond")
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.withHairType(HairType.BALD).withWeapon(Weapon.BOW).build();
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System.out.println(thief);
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}
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}
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