Abstract Factory Design Pattern ex Recharge

package com.freerecharge.agents;

public interface DTHRechargeAgent {

            float recharge(String acountNo, String pkg, float amount);

}

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: package com.freerecharge.agents;

public interface MobileRechargeAgent {

            boolean recharge(String mobileNo, String pkg, float amount);

}

package com.freerecharge.agent.factory;

import com.freerecharge.agents.DTHRechargeAgent;

import com.freerecharge.agents.MobileRechargeAgent;

public abstract class AbstactAgentFactory {

            // factory method for MobileRechargeAgent component interface

            public MobileRechargeAgent newMobileRechargeAgent() {

                        MobileRechargeAgent mobileRechargeAgent = null;

                        mobileRechargeAgent = createMobileRechargeAgent();

                        // any standard instantiation process

                        return mobileRechargeAgent;

            }

            // factory method for DTHRechargeAgent component interface

            public DTHRechargeAgent newDTHRechargeAgent() {

                        DTHRechargeAgent dthRechargeAgent = null;

                        dthRechargeAgent = createDTHRechargeAgent();

                        return dthRechargeAgent;

            }

            protected abstract MobileRechargeAgent createMobileRechargeAgent();

            protected abstract DTHRechargeAgent createDTHRechargeAgent();

}

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package com.freerecharge.airtel.agent;

import com.freerecharge.agents.DTHRechargeAgent;

public class AirtelDTHRechargeAgent implements DTHRechargeAgent {

            @Override

            public float recharge(String acountNo, String pkg, float amount) {

                        System.out.println("AirTel DTH Recharge for account no:" + acountNo + " with package " + pkg + " amount: " + amount);

                        return amount;

            }

}

---------------------------------------------

package com.freerecharge.airtel.agent;

import com.freerecharge.agents.MobileRechargeAgent;

public class AirtelMobileRechargeAgent implements MobileRechargeAgent {

            @Override

            public boolean recharge(String mobileNo, String pkg, float amount) {

                        System.out.println("Recharge AirTel mobileNo:" + mobileNo + " with amount: " + amount);

                        return true;

            }

}

package com.freerecharge.airtel.agent.factory;

import com.freerecharge.agent.factory.AbstactAgentFactory;

import com.freerecharge.agents.DTHRechargeAgent;

import com.freerecharge.agents.MobileRechargeAgent;

import com.freerecharge.airtel.agent.AirtelDTHRechargeAgent;

import com.freerecharge.airtel.agent.AirtelMobileRechargeAgent;

public class AirtelAgentFactory extends AbstactAgentFactory {

            @Override

            protected MobileRechargeAgent createMobileRechargeAgent() {

                        return new AirtelMobileRechargeAgent();

            }

            @Override

            protected DTHRechargeAgent createDTHRechargeAgent() {

                        return new AirtelDTHRechargeAgent();

            }

}

package com.freerecharge.vodafone.agent;

import com.freerecharge.agents.DTHRechargeAgent;

public class VodafoneDTHRechargeAgent implements DTHRechargeAgent {

            @Override

            public float recharge(String acountNo, String pkg, float amount) {

                        System.out.println(

                                                "Vodafone DTH Recharge for account no:" + acountNo + " with package " + pkg + " amount: " + amount);

                        return amount;

            }

}

package com.freerecharge.vodafone.agent;

import com.freerecharge.agents.MobileRechargeAgent;

public class VodafoneMobileRechargeAgent implements MobileRechargeAgent {

            @Override

            public boolean recharge(String mobileNo, String pkg, float amount) {

                        System.out.println("Recharge Vodafone mobileNo:" + mobileNo + " with amount: " + amount);

                        return true;

            }

package com.freerecharge.vodafone.agent.factory;

import com.freerecharge.agent.factory.AbstactAgentFactory;

import com.freerecharge.agents.DTHRechargeAgent;

import com.freerecharge.agents.MobileRechargeAgent;

import com.freerecharge.vodafone.agent.VodafoneDTHRechargeAgent;

import com.freerecharge.vodafone.agent.VodafoneMobileRechargeAgent;

public class VodafoneAgentFactory extends AbstactAgentFactory {

            @Override

            protected MobileRechargeAgent createMobileRechargeAgent() {

                        return new VodafoneMobileRechargeAgent();

            }

            @Override

            protected DTHRechargeAgent createDTHRechargeAgent() {

                        return new VodafoneDTHRechargeAgent();

            }

}

package com.freerecharge.factory;

import com.freerecharge.agent.factory.AbstactAgentFactory;

import com.freerecharge.airtel.agent.factory.AirtelAgentFactory;

import com.freerecharge.vodafone.agent.factory.VodafoneAgentFactory;

// factory of factory

public class FreerechargeFactory {

            public static AbstactAgentFactory newAgentFactory(String provider) {

                        AbstactAgentFactory agentFactory = null;

                        if (provider.equals("airtel")) {

                                    agentFactory = new AirtelAgentFactory();

                        } else if (provider.equals("vodafone")) {

                                    agentFactory = new VodafoneAgentFactory();

                        }

                        return agentFactory;

            }

}

------------------------------------

}

package com.freerecharge.store;

import com.freerecharge.agent.factory.AbstactAgentFactory;

import com.freerecharge.agents.DTHRechargeAgent;

import com.freerecharge.agents.MobileRechargeAgent;

import com.freerecharge.factory.FreerechargeFactory;

public class FreerechargeStore {

            public boolean rechargeMobile(String provider, String mobileNo, String pkg, float amount) {

                        boolean flag = false;

                        AbstactAgentFactory agentFactory = null;

                        MobileRechargeAgent mobileRechargeAgent = null;

                        agentFactory = FreerechargeFactory.newAgentFactory(provider);

                        mobileRechargeAgent = agentFactory.newMobileRechargeAgent();

                        mobileRechargeAgent.recharge(mobileNo, pkg, amount);

                        flag = true;

                        return flag;

            }

            public float rechargeDTH(String provider, String acountNo, String pkg, float amount) {

                        AbstactAgentFactory agentFactory = null;

                        DTHRechargeAgent dthRechargeAgent = null;

                        agentFactory = FreerechargeFactory.newAgentFactory(provider);

                        dthRechargeAgent = agentFactory.newDTHRechargeAgent();

                        dthRechargeAgent.recharge(acountNo, pkg, amount);

                        return amount;

            }

}

---------------

package com.freerecharge.test;

import com.freerecharge.store.FreerechargeStore;

public class FreerechargeTest {

            public static void main(String[] args) {

                        FreerechargeStore store = new FreerechargeStore();

                        store.rechargeMobile("vodafone", "787878", "499-plan", 499);

                        store.rechargeDTH("airtel", "AIR3434", "599-plan", 599);

            }

}