PrepayAssetBackedClient.java

package org.drip.sample.service;

import org.drip.analytics.date.*;
import org.drip.json.simple.JSONObject;
import org.drip.service.env.EnvManager;
import org.drip.service.json.KeyHoleSkeleton;

/*
 * -*- mode: java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 */

/*!
 * Copyright (C) 2018 Lakshmi Krishnamurthy
 * Copyright (C) 2017 Lakshmi Krishnamurthy
 * Copyright (C) 2016 Lakshmi Krishnamurthy
 * 
 *  This file is part of DRIP, a free-software/open-source library for buy/side financial/trading model
 *  	libraries targeting analysts and developers
 *  	https://lakshmidrip.github.io/DRIP/
 *  
 *  DRIP is composed of four main libraries:
 *  
 *  - DRIP Fixed Income - https://lakshmidrip.github.io/DRIP-Fixed-Income/
 *  - DRIP Asset Allocation - https://lakshmidrip.github.io/DRIP-Asset-Allocation/
 *  - DRIP Numerical Optimizer - https://lakshmidrip.github.io/DRIP-Numerical-Optimizer/
 *  - DRIP Statistical Learning - https://lakshmidrip.github.io/DRIP-Statistical-Learning/
 * 
 *  - DRIP Fixed Income: Library for Instrument/Trading Conventions, Treasury Futures/Options,
 *  	Funding/Forward/Overnight Curves, Multi-Curve Construction/Valuation, Collateral Valuation and XVA
 *  	Metric Generation, Calibration and Hedge Attributions, Statistical Curve Construction, Bond RV
 *  	Metrics, Stochastic Evolution and Option Pricing, Interest Rate Dynamics and Option Pricing, LMM
 *  	Extensions/Calibrations/Greeks, Algorithmic Differentiation, and Asset Backed Models and Analytics.
 * 
 *  - DRIP Asset Allocation: Library for model libraries for MPT framework, Black Litterman Strategy
 *  	Incorporator, Holdings Constraint, and Transaction Costs.
 * 
 *  - DRIP Numerical Optimizer: Library for Numerical Optimization and Spline Functionality.
 * 
 *  - DRIP Statistical Learning: Library for Statistical Evaluation and Machine Learning.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *   	you may not use this file except in compliance with the License.
 *   
 *  You may obtain a copy of the License at
 *  	http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  	distributed under the License is distributed on an "AS IS" BASIS,
 *  	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  
 *  See the License for the specific language governing permissions and
 *  	limitations under the License.
 */

/**
 * PrepayAssetBackedClient demonstrates the Invocation and Examination of the JSON-based Pre-payable
 *  Constant Payment Asset Backed Loan Service Client.
 *
 * @author Lakshmi Krishnamurthy
 */

public class PrepayAssetBackedClient {

	@SuppressWarnings ("unchecked") public static void main (
		final String[] astrArgs)
		throws Exception
	{
		EnvManager.InitEnv ("");

		double dblBeginPrincipalFactor = 1.;
		double dblCouponRate = 0.1189;
		double dblServiceFeeRate = 0.00;
		double dblCPR = 0.01;
		double dblBondNotional = 147544.28;
		String strDayCount = "Act/365";
		String strCurrency = "USD";
		int iNumPayment = 48;
		int iPayFrequency = 12;
		double dblFixedMonthlyAmount = 3941.98;

		JulianDate dtEffective = DateUtil.CreateFromYMD (
			2015,
			DateUtil.OCTOBER,
			22
		);

		JulianDate dtSettle = DateUtil.CreateFromYMD (
			2015,
			DateUtil.DECEMBER,
			1
		);

		JSONObject jsonParameters = new JSONObject();

		jsonParameters.put ("Name", "FPMG 11.89 2019");

		jsonParameters.put ("SettleDate", dtSettle.toString());

		jsonParameters.put ("EffectiveDate", dtEffective.toString());

		jsonParameters.put ("BeginPrincipalFactor", dblBeginPrincipalFactor);

		jsonParameters.put ("CouponRate", dblCouponRate);

		jsonParameters.put ("ServiceFeeRate", dblServiceFeeRate);

		jsonParameters.put ("CPR", dblCPR);

		jsonParameters.put ("BondNotional", dblBondNotional);

		jsonParameters.put ("DayCount", strDayCount);

		jsonParameters.put ("NumPayment", iNumPayment);

		jsonParameters.put ("Currency", strCurrency);

		jsonParameters.put ("PayFrequency", iPayFrequency);

		jsonParameters.put ("FixedMonthlyAmount", dblFixedMonthlyAmount);

		JSONObject jsonRequest = new JSONObject();

		jsonRequest.put ("API", "PREPAYASSETBACKED::SECULARMETRICS");

		jsonRequest.put ("Parameters", jsonParameters);

		System.out.println ("\n\t|---------------- JSON REQUEST -----------------|\n");

		System.out.println (jsonRequest.toJSONString());

		System.out.println ("\n\t|---------------- JSON RESPONSE ----------------|\n");

		System.out.println (KeyHoleSkeleton.Thunker (jsonRequest.toJSONString()));
	}
}