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.accounts.struts.actionforms; import static org.mifos.framework.util.helpers.DateUtils.getDateAsSentFromBrowser; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.HashMap; import java.util.List; import java.util.Locale; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession; import org.apache.commons.lang.StringUtils; import org.apache.struts.action.ActionErrors; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionMessage; import org.mifos.accounts.util.helpers.AccountConstants; import org.mifos.application.admin.servicefacade.InvalidDateException; import org.mifos.application.master.business.MifosCurrency; import org.mifos.config.AccountingRules; import org.mifos.dto.domain.AdjustedPaymentDto; import org.mifos.dto.screen.GroupLoanMemberAdjustmentDto; import org.mifos.framework.struts.actionforms.BaseActionForm; import org.mifos.framework.util.helpers.Constants; import org.mifos.framework.util.helpers.DateUtils; import org.mifos.framework.util.helpers.DoubleConversionResult; import org.mifos.security.login.util.helpers.LoginConstants; import org.mifos.security.util.UserContext; import com.ibm.icu.math.BigDecimal; /** * This class is the action form for Applying adjustments. */ public class ApplyAdjustmentActionForm extends BaseActionForm { private static final long serialVersionUID = -5747465818008310010L; private String input; private String adjustmentNote; private Integer accountId; private String globalAccountNum; private boolean adjustcheckbox; private Integer paymentId; private String amount; private String paymentType; private Short currencyId; private String transactionDateDD; private String transactionDateMM; private String transactionDateYY; private boolean adjustData; private Date previousPaymentDate; private Date nextPaymentDate; private List<GroupLoanMemberAdjustmentDto> memberAdjustmentDtoList; /** * member adjustment new amounts * Key - Member Account Id * Value - Member New Amount */ private Map<Integer, String> newAmounts = new HashMap<Integer, String>(); /** * NOT-GLIM new group loan member flag */ private boolean groupLoanMember; public Date getPreviousPaymentDate() { return previousPaymentDate; } public void setPreviousPaymentDate(Date previousPaymentDate) { this.previousPaymentDate = previousPaymentDate; } public Date getNextPaymentDate() { return nextPaymentDate; } public void setNextPaymentDate(Date nextPaymentDate) { this.nextPaymentDate = nextPaymentDate; } public boolean isAdjustData() { return adjustData; } public void setAdjustData(boolean adjustData) { this.adjustData = adjustData; } public Short getCurrencyId() { return currencyId; } public void setCurrencyId(Short currencyId) { this.currencyId = currencyId; } public Integer getPaymentId() { return paymentId; } public void setPaymentId(Integer paymentId) { this.paymentId = paymentId; } public String getInput() { return input; } public void setInput(String input) { this.input = input; } public String getAdjustmentNote() { return adjustmentNote; } public void setAdjustmentNote(String adjustmentNote) { this.adjustmentNote = adjustmentNote; } public Integer getAccountId() { return accountId; } public void setAccountId(Integer accountId) { this.accountId = accountId; } public String getGlobalAccountNum() { return globalAccountNum; } public void setGlobalAccountNum(String globalAccountNum) { this.globalAccountNum = globalAccountNum; } public boolean getAdjustcheckbox() { return adjustcheckbox; } public void setAdjustcheckbox(boolean adjustcheckbox) { this.adjustcheckbox = adjustcheckbox; } public String getAmount() { return amount; } public void setAmount(String amount) { this.amount = amount; } public String getPaymentType() { return paymentType; } public void setPaymentType(String paymentType) { this.paymentType = paymentType; } public String getTransactionDateDD() { return transactionDateDD; } public void setTransactionDateDD(String transactionDateDD) { this.transactionDateDD = transactionDateDD; } public String getTransactionDateMM() { return transactionDateMM; } public void setTransactionDateMM(String transactionDateMM) { this.transactionDateMM = transactionDateMM; } public String getTransactionDateYY() { return transactionDateYY; } public void setTransactionDateYY(String transactionDateYY) { this.transactionDateYY = transactionDateYY; } public List<GroupLoanMemberAdjustmentDto> getMemberAdjustmentDtoList() { return memberAdjustmentDtoList; } public void setMemberAdjustmentDtoList(List<GroupLoanMemberAdjustmentDto> memberAdjustmentDtoList) { this.memberAdjustmentDtoList = memberAdjustmentDtoList; } public Map<Integer, String> getNewAmounts() { return newAmounts; } public void setNewAmount(String accountId, String newAmount) { this.newAmounts.put(Integer.valueOf(accountId), newAmount); } public boolean isGroupLoanMember() { return groupLoanMember; } public void setGroupLoanMember(boolean groupLoanMemberFlag) { this.groupLoanMember = groupLoanMemberFlag; } protected Locale getUserLocale(HttpServletRequest request) { Locale locale = null; HttpSession session = request.getSession(); if (session != null) { UserContext userContext = (UserContext) session.getAttribute(LoginConstants.USERCONTEXT); if (null != userContext) { locale = userContext.getCurrentLocale(); } } return locale; } public String getTransactionDate() { return compileDateString(transactionDateDD, transactionDateMM, transactionDateYY); } @Override public void reset(ActionMapping actionMapping, HttpServletRequest request) { this.adjustcheckbox = false; } @Override public ActionErrors validate(ActionMapping actionMapping, HttpServletRequest request) { if (null == request.getAttribute(Constants.CURRENTFLOWKEY)) { request.setAttribute(Constants.CURRENTFLOWKEY, request.getParameter(Constants.CURRENTFLOWKEY)); } ActionErrors actionErrors = new ActionErrors(); String method = request.getParameter("method"); if (null != method && method.equals("previewAdjustment")) { /* if (!adjustcheckbox) { request.setAttribute("method", "loadAdjustment"); actionErrors.add("", new ActionMessage("errors.mandatorycheckbox")); }*/ if (!adjustcheckbox) { validateAmount(actionErrors); validatePaymentType(actionErrors); validateTransactionDate(actionErrors); } if (adjustmentNote == null || adjustmentNote.trim() == "") { request.setAttribute("method", "loadAdjustment"); actionErrors.add("", new ActionMessage("errors.mandatorytextarea")); } else if (adjustmentNote.length() > 300) { request.setAttribute("method", "loadAdjustment"); actionErrors.add("", new ActionMessage("errors.adjustmentNoteTooBig")); } if (!actionErrors.isEmpty()) { request.setAttribute("method", "loadAdjustment"); return actionErrors; } } return actionErrors; } protected void validateAmount(ActionErrors errors) { MifosCurrency currency = null; if (getCurrencyId() != null && AccountingRules.isMultiCurrencyEnabled()) { currency = AccountingRules.getCurrencyByCurrencyId(getCurrencyId()); } DoubleConversionResult conversionResult = validateAmount(getAmount(), currency, AccountConstants.ACCOUNT_AMOUNT, errors, ""); if (conversionResult.getErrors().size() == 0 && !(conversionResult.getDoubleValue() > 0.0)) { addError(errors, AccountConstants.ACCOUNT_AMOUNT, AccountConstants.ERRORS_MUST_BE_GREATER_THAN_ZERO, getLocalizedMessage(AccountConstants.ACCOUNT_AMOUNT)); } } private void validateTransactionDate(ActionErrors errors) { String fieldName = "accounts.date_of_trxn"; ActionErrors validationErrors = validateDate(getTransactionDate(), getLocalizedMessage(fieldName)); if (null != validationErrors && !validationErrors.isEmpty()) { errors.add(validationErrors); } } private void validatePaymentType(ActionErrors errors) { if (StringUtils.isEmpty(getPaymentType())) { errors.add(AccountConstants.ERROR_MANDATORY, new ActionMessage(AccountConstants.ERROR_MANDATORY, getLocalizedMessage("accounts.mode_of_payment"))); } } protected ActionErrors validateDate(String date, String fieldName) { ActionErrors errors = null; java.sql.Date sqlDate = null; if (date != null && !date.equals("")) { try { sqlDate = getDateAsSentFromBrowser(date); if (DateUtils.whichDirection(sqlDate) > 0) { errors = new ActionErrors(); errors.add(AccountConstants.ERROR_FUTUREDATE, new ActionMessage(AccountConstants.ERROR_FUTUREDATE, fieldName)); } else if (previousPaymentDate != null && sqlDate.compareTo(previousPaymentDate) < 0) { errors = new ActionErrors(); errors.add(AccountConstants.ERROR_ADJUSTMENT_PREVIOUS_DATE, new ActionMessage(AccountConstants.ERROR_ADJUSTMENT_PREVIOUS_DATE, fieldName)); } else if (nextPaymentDate != null && sqlDate.compareTo(nextPaymentDate) > 0) { errors = new ActionErrors(); errors.add(AccountConstants.ERROR_ADJUSTMENT_NEXT_DATE, new ActionMessage(AccountConstants.ERROR_ADJUSTMENT_NEXT_DATE, fieldName)); } } catch (InvalidDateException ide) { errors = new ActionErrors(); errors.add(AccountConstants.ERROR_INVALIDDATE, new ActionMessage(AccountConstants.ERROR_INVALIDDATE, fieldName)); } } else { errors = new ActionErrors(); errors.add(AccountConstants.ERROR_MANDATORY, new ActionMessage(AccountConstants.ERROR_MANDATORY, fieldName)); } return errors; } public Date getTrxnDate() throws InvalidDateException { return getDateAsSentFromBrowser(getTransactionDate()); } public void setTrxnDate(Date date) { if (date == null) { transactionDateDD = null; transactionDateMM = null; transactionDateYY = null; } else { Calendar cal = GregorianCalendar.getInstance(); cal.setTime(date); transactionDateDD = Integer.toString(cal.get(Calendar.DAY_OF_MONTH)); transactionDateMM = Integer.toString(cal.get(Calendar.MONTH) + 1); transactionDateYY = Integer.toString(cal.get(Calendar.YEAR)); } } public AdjustedPaymentDto getPaymentData() throws InvalidDateException { AdjustedPaymentDto adjustedPaymentDto = null; if (adjustData || isGroupLoanMember()) { List<AdjustedPaymentDto> membersAdjustedPaymentDtoList = new ArrayList<AdjustedPaymentDto>(); for (Map.Entry<Integer, String> member : this.newAmounts.entrySet()) { membersAdjustedPaymentDtoList.add(new AdjustedPaymentDto(member.getValue(), getTrxnDate(), Short.parseShort(paymentType), member.getKey())); } String newAmount = (adjustData) ? amount : BigDecimal.ZERO.toString(); adjustedPaymentDto = new AdjustedPaymentDto(newAmount, getTrxnDate(), Short.parseShort(paymentType), this.accountId, membersAdjustedPaymentDtoList); } return adjustedPaymentDto; } }