Java tutorial
/* * Copyright (c) 2005-2011 Grameen Foundation USA * All rights reserved. * * 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. * * See also http://www.apache.org/licenses/LICENSE-2.0.html for an * explanation of the license and how it is applied. */ package org.mifos.application.servicefacade; import java.util.ArrayList; import java.util.List; import org.apache.commons.lang.StringUtils; import org.joda.time.DateTime; import org.mifos.accounts.fees.business.FeeBO; import org.mifos.accounts.fees.persistence.FeeDao; import org.mifos.accounts.financial.business.GLCodeEntity; import org.mifos.accounts.financial.business.service.GeneralLedgerDao; import org.mifos.accounts.fund.business.FundBO; import org.mifos.accounts.fund.persistence.FundDao; import org.mifos.accounts.penalties.business.PenaltyBO; import org.mifos.accounts.penalties.persistence.PenaltyDao; import org.mifos.accounts.productdefinition.LoanAmountCalculation; import org.mifos.accounts.productdefinition.LoanInstallmentCalculation; import org.mifos.accounts.productdefinition.LoanProductCaluclationTypeAssembler; import org.mifos.accounts.productdefinition.business.GracePeriodTypeEntity; import org.mifos.accounts.productdefinition.business.LoanOfferingBO; import org.mifos.accounts.productdefinition.business.PrdApplicableMasterEntity; import org.mifos.accounts.productdefinition.business.PrdStatusEntity; import org.mifos.accounts.productdefinition.business.ProductCategoryBO; import org.mifos.accounts.productdefinition.persistence.LoanProductDao; import org.mifos.accounts.productdefinition.persistence.PrdOfferingPersistence; import org.mifos.accounts.productdefinition.util.helpers.ApplicableTo; import org.mifos.accounts.productdefinition.util.helpers.GraceType; import org.mifos.accounts.productdefinition.util.helpers.InterestType; import org.mifos.accounts.productdefinition.util.helpers.PrdStatus; import org.mifos.accounts.productdefinition.util.helpers.ProductDefinitionConstants; import org.mifos.application.master.business.InterestTypesEntity; import org.mifos.application.master.business.MifosCurrency; import org.mifos.application.meeting.util.helpers.RecurrenceType; import org.mifos.config.AccountingRules; import org.mifos.core.MifosRuntimeException; import org.mifos.dto.domain.LoanProductRequest; import org.mifos.dto.domain.ProductDetailsDto; import org.mifos.framework.exceptions.PersistenceException; import org.mifos.framework.util.helpers.Money; import org.mifos.security.MifosUser; public class LoanProductAssembler { private final LoanProductDao loanProductDao; private final GeneralLedgerDao generalLedgerDao; private final FundDao fundDao; private final PenaltyDao penaltyDao; private LoanProductCaluclationTypeAssembler loanProductCaluclationTypeAssembler = new LoanProductCaluclationTypeAssembler(); public LoanProductAssembler(LoanProductDao loanProductDao, GeneralLedgerDao generalLedgerDao, FundDao fundDao, PenaltyDao penaltyDao) { this.loanProductDao = loanProductDao; this.generalLedgerDao = generalLedgerDao; this.fundDao = fundDao; this.penaltyDao = penaltyDao; } public LoanOfferingBO fromDto(MifosUser user, LoanProductRequest loanProductRequest) { try { Integer userId = user.getUserId(); ProductDetailsDto productDetails = loanProductRequest.getProductDetails(); String name = productDetails.getName(); String shortName = productDetails.getShortName(); String description = productDetails.getDescription(); Integer category = productDetails.getCategory(); boolean loanCycleCounter = loanProductRequest.isIncludeInLoanCycleCounter(); boolean waiverInterest = loanProductRequest.isWaiverInterest(); PrdStatusEntity activeStatus = new PrdOfferingPersistence().getPrdStatus(PrdStatus.LOAN_ACTIVE); PrdStatusEntity inActiveStatus = new PrdOfferingPersistence().getPrdStatus(PrdStatus.LOAN_INACTIVE); PrdStatusEntity selectedStatus = activeStatus; if (productDetails.getStatus() != null && inActiveStatus.getOfferingStatusId().equals(productDetails.getStatus().shortValue())) { selectedStatus = inActiveStatus; } MifosCurrency currency = Money.getDefaultCurrency(); if (AccountingRules.isMultiCurrencyEnabled()) { currency = AccountingRules.getCurrencyByCurrencyId(loanProductRequest.getCurrencyId().shortValue()); } ProductCategoryBO productCategory = this.loanProductDao.findActiveProductCategoryById(category); DateTime startDate = productDetails.getStartDate(); DateTime endDate = productDetails.getEndDate(); ApplicableTo applicableTo = ApplicableTo.fromInt(productDetails.getApplicableFor()); PrdApplicableMasterEntity applicableToEntity = this.loanProductDao .findApplicableProductType(applicableTo); LoanAmountCalculation loanAmountCalculation = this.loanProductCaluclationTypeAssembler .assembleLoanAmountCalculationFromDto(loanProductRequest.getLoanAmountDetails()); InterestType interestType = InterestType.fromInt(loanProductRequest.getInterestRateType()); Double minRate = loanProductRequest.getInterestRateRange().getMin().doubleValue(); Double maxRate = loanProductRequest.getInterestRateRange().getMax().doubleValue(); Double defaultRate = loanProductRequest.getInterestRateRange().getTheDefault().doubleValue(); InterestTypesEntity interestTypeEntity = this.loanProductDao.findInterestType(interestType); RecurrenceType recurrence = RecurrenceType .fromInt(loanProductRequest.getRepaymentDetails().getFrequencyType().shortValue()); Integer recurEvery = loanProductRequest.getRepaymentDetails().getRecurs(); LoanInstallmentCalculation loanInstallmentCalculation = this.loanProductCaluclationTypeAssembler .assembleLoanInstallmentCalculationFromDto( loanProductRequest.getRepaymentDetails().getInstallmentCalculationDetails()); GraceType gracePeriodType = GraceType .fromInt(loanProductRequest.getRepaymentDetails().getGracePeriodType()); GracePeriodTypeEntity gracePeriodTypeEntity = this.loanProductDao.findGracePeriodType(gracePeriodType); Integer gracePeriodDuration = loanProductRequest.getRepaymentDetails().getGracePeriodDuration(); List<FeeBO> applicableFees = new ArrayList<FeeBO>(); List<Integer> applicableFeeIds = loanProductRequest.getApplicableFees(); for (Integer feeId : applicableFeeIds) { FeeBO fee = ApplicationContextProvider.getBean(FeeDao.class).findById(feeId.shortValue()); applicableFees.add(fee); } List<FundBO> applicableFunds = new ArrayList<FundBO>(); List<Integer> applicableFundIds = loanProductRequest.getAccountDetails().getApplicableFunds(); for (Integer fundId : applicableFundIds) { FundBO fund = this.fundDao.findById(fundId.shortValue()); applicableFunds.add(fund); } List<PenaltyBO> applicablePenalties = new ArrayList<PenaltyBO>(); List<Integer> applicablePenaltyIds = loanProductRequest.getApplicablePenalties(); for (Integer penaltyId : applicablePenaltyIds) { PenaltyBO penalty = this.penaltyDao.findPenaltyById(penaltyId); applicablePenalties.add(penalty); } GLCodeEntity interestGlCode = this.generalLedgerDao .findGlCodeById(loanProductRequest.getAccountDetails().getInterestGlCodeId().shortValue()); GLCodeEntity principalGlCode = this.generalLedgerDao .findGlCodeById(loanProductRequest.getAccountDetails().getPrincipalClCodeId().shortValue()); String globalProductId = generateProductGlobalNum(user); LoanOfferingBO loanProduct = LoanOfferingBO.createNew(userId, globalProductId, name, shortName, description, productCategory, startDate, endDate, applicableToEntity, currency, interestTypeEntity, minRate, maxRate, defaultRate, recurrence, recurEvery, interestGlCode, principalGlCode, activeStatus, inActiveStatus, gracePeriodTypeEntity, gracePeriodDuration, waiverInterest, loanCycleCounter, loanAmountCalculation, loanInstallmentCalculation, applicableFees, applicableFunds, applicablePenalties); loanProduct.updateStatus(selectedStatus); return loanProduct; } catch (PersistenceException e) { throw new MifosRuntimeException(e); } } private String generateProductGlobalNum(MifosUser user) { StringBuilder globalPrdOfferingNum = new StringBuilder(); globalPrdOfferingNum.append(user.getBranchId()); globalPrdOfferingNum.append("-"); try { Short maxPrdID = new PrdOfferingPersistence().getMaxPrdOffering(); globalPrdOfferingNum.append(StringUtils.leftPad( String.valueOf(maxPrdID != null ? maxPrdID + 1 : ProductDefinitionConstants.DEFAULTMAX + 1), 3, '0')); return globalPrdOfferingNum.toString(); } catch (PersistenceException e) { throw new MifosRuntimeException(e); } } }