Java tutorial
/* * eGov suite of products aim to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) <2015> 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. * * 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.ptis.actions.reports; import static java.math.BigDecimal.ZERO; import static org.egov.ptis.constants.PropertyTaxConstants.OWNERSHIP_OF_PROPERTY_FOR_DEFAULTERS_REPORT; import static org.egov.ptis.constants.PropertyTaxConstants.REVENUE_HIERARCHY_TYPE; import java.io.IOException; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletResponse; import org.apache.commons.io.IOUtils; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; import org.apache.struts2.ServletActionContext; import org.apache.struts2.convention.annotation.Action; import org.apache.struts2.convention.annotation.Namespace; 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.Installment; import org.egov.infra.admin.master.entity.Boundary; import org.egov.infra.admin.master.service.BoundaryService; import org.egov.infra.web.struts.actions.BaseFormAction; import org.egov.ptis.bean.DefaultersInfo; import org.egov.ptis.client.util.PropertyTaxUtil; import org.egov.ptis.domain.entity.property.InstDmdCollMaterializeView; import org.egov.ptis.domain.entity.property.PropertyMaterlizeView; import org.egov.ptis.service.utils.PropertyTaxCommonUtils; import org.hibernate.Query; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.MediaType; import com.google.gson.Gson; import com.google.gson.GsonBuilder; @SuppressWarnings("serial") @ParentPackage("egov") @Namespace("/reports") @Results({ @Result(name = DefaultersReportAction.RESULT_SEARCH, location = "reports/defaultersReport-search.jsp") }) public class DefaultersReportAction extends BaseFormAction { private static final Logger LOGGER = Logger.getLogger(DefaultersReportAction.class); public static final String RESULT_SEARCH = "search"; private Long wardId; private String fromDemand; private String toDemand; private Integer limit; @Autowired private BoundaryService boundaryService; @Autowired public PropertyTaxUtil propertyTaxUtil; @Autowired private PropertyTaxCommonUtils propertyTaxCommonUtils; private Map<String, String> ownerShipMap; private String ownerShipType; @Override public Object getModel() { return null; } @Override @SuppressWarnings("unchecked") public void prepare() { if (LOGGER.isDebugEnabled()) LOGGER.debug("Entered into prepare method"); super.prepare(); final List<Boundary> wardList = boundaryService .getActiveBoundariesByBndryTypeNameAndHierarchyTypeName("Ward", REVENUE_HIERARCHY_TYPE); addDropdownData("wardList", wardList); addDropdownData("limitList", buildLimitList()); setOwnerShipMap(OWNERSHIP_OF_PROPERTY_FOR_DEFAULTERS_REPORT); } @SkipValidation @Action(value = "/defaultersReport-search") public String search() { return RESULT_SEARCH; } private List<Integer> buildLimitList() { List<Integer> limitList = new ArrayList<Integer>(); limitList.add(10); limitList.add(50); limitList.add(100); limitList.add(500); limitList.add(1000); return limitList; } /** * Invoked by Defaulters Report. Shows list of defaulters */ @SuppressWarnings("unchecked") @Action(value = "/defaultersReport-getDefaultersList") public void getDefaultersList() { List<DefaultersInfo> resultList = new ArrayList<DefaultersInfo>(); String result = null; final Query query = propertyTaxUtil.prepareQueryforDefaultersReport(wardId, fromDemand, toDemand, limit, ownerShipType); resultList = prepareOutput((List<PropertyMaterlizeView>) query.list()); // for converting resultList to JSON objects. // Write back the JSON Response. result = new StringBuilder("{ \"data\":").append(toJSON(resultList)).append("}").toString(); final HttpServletResponse response = ServletActionContext.getResponse(); response.setContentType(MediaType.APPLICATION_JSON_VALUE); try { IOUtils.write(result, response.getWriter()); } catch (final IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /** * @param object * @return */ private Object toJSON(final Object object) { final GsonBuilder gsonBuilder = new GsonBuilder(); final Gson gson = gsonBuilder.registerTypeAdapter(DefaultersInfo.class, new DefaultersReportHelperAdaptor()) .create(); final String json = gson.toJson(object); return json; } /** * @param propertyViewList * @return List of Defaulters */ private List<DefaultersInfo> prepareOutput(final List<PropertyMaterlizeView> propertyViewList) { List<DefaultersInfo> defaultersList = new ArrayList<DefaultersInfo>(); DefaultersInfo defaultersInfo = null; BigDecimal totalDue = BigDecimal.ZERO; BigDecimal currPenalty = BigDecimal.ZERO; BigDecimal currPenaltyColl = BigDecimal.ZERO; int count = 0; Installment curInstallment = propertyTaxCommonUtils.getCurrentInstallment(); for (final PropertyMaterlizeView propView : propertyViewList) { defaultersInfo = new DefaultersInfo(); totalDue = BigDecimal.ZERO; currPenalty = BigDecimal.ZERO; currPenaltyColl = BigDecimal.ZERO; count++; defaultersInfo.setSlNo(count); defaultersInfo.setAssessmentNo(propView.getPropertyId()); defaultersInfo.setOwnerName( propView.getOwnerName().contains(",") ? propView.getOwnerName().replace(",", " & ") : propView.getOwnerName()); defaultersInfo.setWardName(propView.getWard().getName()); defaultersInfo.setHouseNo(propView.getHouseNo()); defaultersInfo.setLocality((propView.getLocality()) != null ? propView.getLocality().getName() : "NA"); defaultersInfo.setMobileNumber( (StringUtils.isNotBlank(propView.getMobileNumber()) ? propView.getMobileNumber() : "NA")); defaultersInfo.setArrearsDue(propView.getAggrArrDmd().subtract(propView.getAggrArrColl())); defaultersInfo.setCurrentDue( (propView.getAggrCurrFirstHalfDmd().add(propView.getAggrCurrSecondHalfDmd())).subtract( (propView.getAggrCurrFirstHalfColl().add(propView.getAggrCurrSecondHalfColl())))); defaultersInfo.setAggrArrearPenalyDue( (propView.getAggrArrearPenaly() != null ? propView.getAggrArrearPenaly() : ZERO).subtract( propView.getAggrArrearPenalyColl() != null ? propView.getAggrArrearPenalyColl() : ZERO)); currPenalty = (propView.getAggrCurrFirstHalfPenaly() != null ? propView.getAggrCurrFirstHalfPenaly() : ZERO).add( propView.getAggrCurrSecondHalfPenaly() != null ? propView.getAggrCurrSecondHalfPenaly() : ZERO); currPenaltyColl = (propView.getAggrCurrFirstHalfPenalyColl() != null ? propView.getAggrCurrFirstHalfPenalyColl() : ZERO).add( propView.getAggrCurrSecondHalfPenalyColl() != null ? propView.getAggrCurrSecondHalfPenalyColl() : ZERO); defaultersInfo.setAggrCurrPenalyDue(currPenalty.subtract(currPenaltyColl)); totalDue = defaultersInfo.getArrearsDue().add(defaultersInfo.getCurrentDue()) .add(defaultersInfo.getAggrArrearPenalyDue()).add(defaultersInfo.getAggrCurrPenalyDue()); defaultersInfo.setTotalDue(totalDue); if (propView.getInstDmdColl().size() != 0 && !propView.getInstDmdColl().isEmpty()) { defaultersInfo.setArrearsFrmInstallment( propView.getInstDmdColl().iterator().next().getInstallment().getDescription()); final Iterator itr = propView.getInstDmdColl().iterator(); InstDmdCollMaterializeView idc = new InstDmdCollMaterializeView(); InstDmdCollMaterializeView lastElement = new InstDmdCollMaterializeView(); while (itr.hasNext()) { idc = (InstDmdCollMaterializeView) itr.next(); if (!idc.getInstallment().equals(curInstallment)) lastElement = idc; } if (lastElement != null && lastElement.getInstallment() != null) defaultersInfo.setArrearsToInstallment(lastElement.getInstallment().getDescription()); } defaultersList.add(defaultersInfo); } return defaultersList; } public Long getWardId() { return wardId; } public void setWardId(Long wardId) { this.wardId = wardId; } public String getFromDemand() { return fromDemand; } public void setFromDemand(String fromDemand) { this.fromDemand = fromDemand; } public String getToDemand() { return toDemand; } public void setToDemand(String toDemand) { this.toDemand = toDemand; } public Integer getLimit() { return limit; } public void setLimit(Integer limit) { this.limit = limit; } public Map<String, String> getOwnerShipMap() { return ownerShipMap; } public void setOwnerShipMap(Map<String, String> ownerShipMap) { this.ownerShipMap = ownerShipMap; } public String getOwnerShipType() { return ownerShipType; } public void setOwnerShipType(String ownerShipType) { this.ownerShipType = ownerShipType; } }