Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2017 eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * Further, all user interfaces, including but not limited to citizen facing interfaces, * Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any * derived works should carry eGovernments Foundation logo on the top right corner. * * For the logo, please refer http://egovernments.org/html/logo/egov_logo.png. * For any further queries on attribution, including queries on brand guidelines, * please contact contact@egovernments.org * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. * */ package org.egov.egf.web.actions.masters; import org.apache.commons.io.IOUtils; import org.apache.commons.lang.StringUtils; import org.apache.struts2.ServletActionContext; import org.apache.struts2.convention.annotation.Action; import org.apache.struts2.convention.annotation.Actions; import org.apache.struts2.convention.annotation.ParentPackage; import org.apache.struts2.convention.annotation.Result; import org.apache.struts2.convention.annotation.Results; import org.apache.struts2.interceptor.validation.SkipValidation; import org.egov.commons.Bank; import org.egov.commons.utils.BankAccountType; import org.egov.infra.admin.master.entity.AppConfigValues; import org.egov.infra.admin.master.entity.User; import org.egov.infra.admin.master.service.AppConfigValueService; import org.egov.infra.config.core.ApplicationThreadLocals; import org.egov.infra.validation.exception.ValidationError; import org.egov.infra.validation.exception.ValidationException; import org.egov.infra.web.struts.actions.BaseFormAction; import org.egov.infra.web.struts.annotation.ValidationErrorPage; import org.egov.services.masters.BankService; import org.egov.utils.Constants; import org.hibernate.exception.ConstraintViolationException; import org.json.JSONArray; import org.springframework.beans.factory.annotation.Autowired; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.io.Writer; import java.util.Arrays; import java.util.Date; import java.util.List; @ParentPackage("egov") @Results({ @Result(name = BankAction.MODIFY, location = "bank-modify.jsp"), @Result(name = BankAction.SUCCESS, location = "bank.jsp"), @Result(name = BankAction.VIEW, location = "bank-view.jsp"), @Result(name = BankAction.SEARCH, location = "bank-search.jsp") }) public class BankAction extends BaseFormAction { private static final long serialVersionUID = 1L; private Bank bank = new Bank(); private boolean isActive; public static final String MODIFY = "modify"; public static final String SEARCH = "search"; private String mode; // For jquery BankName auto complete private String term; private BankService bankService; @Autowired private AppConfigValueService appConfigValuesService; @Override @SkipValidation @Actions({ @Action(value = "/masters/bank"), @Action(value = "/masters/bank-execute") }) public String execute() { if ("MODIFY".equals(mode) || "VIEW".equals(mode)) { if (StringUtils.isBlank(bank.getName())) { addDropdownData("bankList", bankService.findAll("name")); return SEARCH; } else { bank = bankService.find("FROM Bank WHERE name = ?", bank.getName()); if (bank == null) return SEARCH; else { if (bank.getIsactive()) isActive = true; else isActive = false; if ("MODIFY".equals(mode)) return MODIFY; else return VIEW; } } } else if ("UNQ_NAME".equals(mode)) checkUniqueBankName(); else if ("UNQ_CODE".equals(mode)) checkUniqueBankCode(); else if ("AUTO_COMP_BANK_NAME".equals(mode)) populateBankNames(); return SUCCESS; } @Override public Object getModel() { return bank; } @ValidationErrorPage(value = MODIFY) @Action(value = "/masters/bank-save") public String save() { try { if (isActive) bank.setIsactive(true); else bank.setIsactive(false); if (bank.getId() == null) { // TODO Dirty Code can be avoided by extending BaseModel for Bank final Date currentDate = new Date(); bank.setCreatedDate(currentDate); bank.setCreatedBy(bankService.getSession().load(User.class, ApplicationThreadLocals.getUserId())); bank.setLastModifiedDate(currentDate); bank.setLastModifiedBy( bankService.getSession().load(User.class, ApplicationThreadLocals.getUserId())); bankService.persist(bank); } else { final Date currentDate = new Date(); bank.setCreatedDate(currentDate); bank.setCreatedBy(bankService.getSession().load(User.class, ApplicationThreadLocals.getUserId())); bank.setLastModifiedDate(currentDate); bank.setLastModifiedBy( bankService.getSession().load(User.class, ApplicationThreadLocals.getUserId())); bankService.update(bank); } addActionMessage(getText("Bank Saved Successfully")); } catch (final ConstraintViolationException e) { throw new ValidationException(Arrays.asList(new ValidationError("Duplicate Bank", "Duplicate Bank"))); } catch (final Exception e) { addActionMessage(getText("Bank information can't be saved.")); throw new ValidationException(Arrays.asList(new ValidationError( "An error occured contact Administrator", "An error occured contact Administrator"))); } return "modify"; } private void checkUniqueBankCode() { final Bank bank = bankService.find("from Bank where lower(code)=?", this.bank.getCode().toLowerCase()); writeToAjaxResponse(String.valueOf(bank == null)); } private void checkUniqueBankName() { final Bank bank = bankService.find("from Bank where lower(name)=?", this.bank.getName().toLowerCase()); writeToAjaxResponse(String.valueOf(bank == null)); } private void populateBankNames() { final JSONArray jsonArray = new JSONArray(persistenceService .findAllBy("select name FROM Bank WHERE lower(name) like ?", StringUtils.lowerCase(term + "%"))); writeToAjaxResponse(jsonArray.toString()); } public String getBankAccountTypesJSON() { final StringBuilder bankAcTypesJson = new StringBuilder(":;"); for (final BankAccountType value : BankAccountType.values()) bankAcTypesJson.append(value.name()).append(":").append(value.name()).append(";"); bankAcTypesJson.deleteCharAt(bankAcTypesJson.lastIndexOf(";")); return bankAcTypesJson.toString(); } public Boolean isAutoBankAccountGLCodeEnabled() { final AppConfigValues appConfigValue = appConfigValuesService .getConfigValuesByModuleAndKey(Constants.EGF, "auto_bankaccount_glcode").get(0); return "YES".equalsIgnoreCase(appConfigValue.getValue()); } public String getFundsJSON() { final List<Object[]> funds = persistenceService.findAllBy("SELECT id, name FROM Fund WHERE isactive=?", true); final StringBuilder fundJson = new StringBuilder(":;"); for (final Object[] fund : funds) fundJson.append(fund[0]).append(":").append(fund[1]).append(";"); fundJson.deleteCharAt(fundJson.lastIndexOf(";")); return fundJson.toString(); } public String getAccountTypesJSON() { final List<Object[]> accounttypes = persistenceService.findAllBy( "SELECT name,id FROM CChartOfAccounts WHERE glcode LIKE '4502%' AND classification=2 ORDER BY glcode"); final StringBuilder accountdetailtypeJson = new StringBuilder("{\"\":\"\","); for (final Object[] accType : accounttypes) { accType[0] = org.egov.infra.utils.StringUtils.escapeJavaScript((String) accType[0]); accountdetailtypeJson.append("\"").append(accType[1] + "#" + accType[0]).append("\"").append(":") .append("\"").append(accType[0]).append("\"").append(","); } accountdetailtypeJson.deleteCharAt(accountdetailtypeJson.lastIndexOf(",")); return accountdetailtypeJson.append("}").toString(); } @Override public void validate() { if (bank.getName().equals("")) addFieldError("name", getText("bank.name.field.required")); if (bank.getCode().equals("")) addFieldError("code", getText("bank.code.field.required")); } private void writeToAjaxResponse(final String response) { try { final HttpServletResponse httpResponse = ServletActionContext.getResponse(); final Writer httpResponseWriter = httpResponse.getWriter(); IOUtils.write(response, httpResponseWriter); IOUtils.closeQuietly(httpResponseWriter); } catch (final IOException e) { LOG.error("Error occurred while processing Ajax response", e); } } public void setTerm(final String term) { this.term = term; } public String getMode() { return mode; } public void setMode(final String mode) { this.mode = mode; } public void setBankService(final BankService bankService) { this.bankService = bankService; } public boolean getIsActive() { return isActive; } public void setIsActive(final boolean isActive) { this.isActive = isActive; } }