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 java.sql.Date; import java.util.List; import java.util.Locale; import java.util.ResourceBundle; import javax.servlet.http.HttpServletRequest; import org.apache.commons.lang.StringUtils; import org.apache.struts.Globals; import org.apache.struts.action.ActionErrors; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionMessage; import org.mifos.accounts.loan.util.helpers.LoanConstants; import org.mifos.accounts.util.helpers.AccountConstants; import org.mifos.accounts.util.helpers.AccountState; import org.mifos.application.admin.servicefacade.InvalidDateException; import org.mifos.application.questionnaire.struts.QuestionResponseCapturer; import org.mifos.application.util.helpers.Methods; import org.mifos.framework.struts.actionforms.BaseActionForm; import org.mifos.framework.util.helpers.DateUtils; import org.mifos.framework.util.helpers.FilePaths; import org.mifos.platform.questionnaire.service.QuestionGroupDetail; import static org.mifos.framework.util.helpers.DateUtils.dateFallsBeforeDate; import static org.mifos.framework.util.helpers.DateUtils.getDateAsSentFromBrowser; public class EditStatusActionForm extends BaseActionForm implements QuestionResponseCapturer { public EditStatusActionForm() { selectedItems = new String[50]; } private String accountId; private String globalAccountNum; private String accountName; private String accountTypeId; private String currentStatusId; private String newStatusId; private String flagId; private String notes; private String[] selectedItems; private String input; private List<QuestionGroupDetail> questionGroups; private String transactionDate; private java.util.Date lastPaymentDate; public String getInput() { return input; } public void setInput(String input) { this.input = input; } public String getAccountId() { return accountId; } public void setAccountId(String accountId) { this.accountId = accountId; } public String getAccountName() { return accountName; } public void setAccountName(String accountName) { this.accountName = accountName; } public String getAccountTypeId() { return accountTypeId; } public void setAccountTypeId(String accountTypeId) { this.accountTypeId = accountTypeId; } public String getCurrentStatusId() { return currentStatusId; } public void setCurrentStatusId(String currentStatusId) { this.currentStatusId = currentStatusId; } public String getFlagId() { return flagId; } public void setFlagId(String flagId) { this.flagId = flagId; } public String getGlobalAccountNum() { return globalAccountNum; } public void setGlobalAccountNum(String globalAccountNum) { this.globalAccountNum = globalAccountNum; } public String getNewStatusId() { return newStatusId; } public void setNewStatusId(String newStatusId) { this.newStatusId = newStatusId; } public String getNotes() { return notes; } public void setNotes(String notes) { this.notes = notes; } public String[] getSelectedItems() { return selectedItems; } public void setSelectedItems(String[] selectedItems) { this.selectedItems = selectedItems; } public String getTransactionDate() { return transactionDate; } public void setTransactionDate(String transactionDate) { this.transactionDate = transactionDate; } public Date getTransactionDateValue(Locale preferredLocale) throws InvalidDateException { if (transactionDate == null) { transactionDate = DateUtils.makeDateAsSentFromBrowser(); } return new Date(DateUtils.getLocaleDate(preferredLocale, transactionDate).getTime()); } @Override public void reset(@SuppressWarnings("unused") ActionMapping mapping, HttpServletRequest request) { String methodCalled = request.getParameter(Methods.method.toString()); if (null != methodCalled) { if ((Methods.preview.toString()).equals(methodCalled)) { this.flagId = null; this.selectedItems = null; } } } @Override public ActionErrors validate(@SuppressWarnings("unused") ActionMapping mapping, HttpServletRequest request) { ActionErrors errors = new ActionErrors(); String methodCalled = request.getParameter(Methods.method.toString()); if (null != methodCalled) { if ((Methods.preview.toString()).equals(methodCalled)) { errors.add(super.validate(mapping, request)); handleStatusPreviewValidations(request, errors); } else if ((Methods.update.toString()).equals(methodCalled)) { handleUpdateStatus(request, errors); } } if (!errors.isEmpty()) { request.setAttribute(Globals.ERROR_KEY, errors); request.setAttribute("methodCalled", methodCalled); } return errors; } private ActionErrors handleUpdateStatus(HttpServletRequest request, ActionErrors errors) { String chklistSize = request.getParameter("chklistSize"); if (request.getParameter("selectedItems") == null) { selectedItems = null; } if (chklistSize != null) { if (isCheckListNotComplete(chklistSize)) { addError(errors, LoanConstants.INCOMPLETE_CHECKLIST, LoanConstants.INCOMPLETE_CHECKLIST); } } return errors; } private ActionErrors handleStatusPreviewValidations(HttpServletRequest request, ActionErrors errors) { Locale locale = getUserContext(request).getPreferredLocale(); ResourceBundle resources = ResourceBundle.getBundle(FilePaths.ACCOUNTS_UI_RESOURCE_PROPERTYFILE, locale); String notesString = resources.getString("Account.Notes"); String status = resources.getString("accounts.status"); String flag = resources.getString("accounts.flag"); if (newStatusId == null) { addError(errors, LoanConstants.MANDATORY, LoanConstants.MANDATORY, status); } else if (isNewStatusHasFlag() && StringUtils.isBlank(flagId)) { addError(errors, LoanConstants.MANDATORY_SELECT, LoanConstants.MANDATORY_SELECT, flag); } if (StringUtils.isBlank(notes)) { addError(errors, LoanConstants.MANDATORY_TEXTBOX, LoanConstants.MANDATORY_TEXTBOX, notesString); } else if (notes.length() > LoanConstants.COMMENT_LENGTH) { addError(errors, LoanConstants.MAX_LENGTH, LoanConstants.MAX_LENGTH, notesString, String.valueOf(LoanConstants.COMMENT_LENGTH)); } validateTransactionDate(errors, resources); return errors; } private boolean isCheckListNotComplete(String chklistSize) { return (isPartialSelected(chklistSize) || isNoneSelected(chklistSize)); } private boolean isPartialSelected(String chklistSize) { return (selectedItems != null) && (Integer.valueOf(chklistSize).intValue() != selectedItems.length); } private boolean isNoneSelected(String chklistSize) { return (Integer.valueOf(chklistSize).intValue() > 0) && (selectedItems == null); } private boolean isNewStatusHasFlag() { return (Short.valueOf(newStatusId).equals(AccountState.LOAN_CANCELLED.getValue())) || (Short.valueOf(newStatusId).equals(AccountState.SAVINGS_CANCELLED.getValue())); } @Override public void setQuestionGroups(List<QuestionGroupDetail> questionGroups) { this.questionGroups = questionGroups; } @Override public List<QuestionGroupDetail> getQuestionGroups() { return questionGroups; } private void validateTransactionDate(ActionErrors errors, ResourceBundle resources) { String fieldName = "accounts.date_of_trxn"; ActionErrors validationErrors = validateDate(getTransactionDate(), resources.getString(fieldName)); if (null != validationErrors && !validationErrors.isEmpty()) { errors.add(validationErrors); } validationErrors = validatePaymentDate(getTransactionDate(), resources.getString(fieldName)); if (null != validationErrors && !validationErrors.isEmpty()) { errors.add(validationErrors); } } 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)); } } 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 ActionErrors validatePaymentDate(String transactionDate, String fieldName) { ActionErrors errors = null; try { if (lastPaymentDate != null && dateFallsBeforeDate(getDateAsSentFromBrowser(transactionDate), lastPaymentDate)) { errors = new ActionErrors(); errors.add(AccountConstants.ERROR_PAYMENT_DATE_BEFORE_LAST_PAYMENT, new ActionMessage(AccountConstants.ERROR_PAYMENT_DATE_BEFORE_LAST_PAYMENT, fieldName)); } } catch (InvalidDateException ide) { errors = new ActionErrors(); errors.add(AccountConstants.ERROR_INVALIDDATE, new ActionMessage(AccountConstants.ERROR_INVALIDDATE, fieldName)); } return errors; } public void setLastPaymentDate(java.util.Date lastPaymentDate) { this.lastPaymentDate = lastPaymentDate; } }