Java tutorial
/******************************************************************************* * HELIUM V, Open Source ERP software for sustained success * at small and medium-sized enterprises. * Copyright (C) 2004 - 2014 HELIUM V IT-Solutions GmbH * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published * by the Free Software Foundation, either version 3 of theLicense, or * (at your option) any later version. * * According to sec. 7 of the GNU Affero General Public License, version 3, * the terms of the AGPL are supplemented with the following terms: * * "HELIUM V" and "HELIUM 5" are registered trademarks of * HELIUM V IT-Solutions GmbH. The licensing of the program under the * AGPL does not imply a trademark license. Therefore any rights, title and * interest in our trademarks remain entirely with us. If you want to propagate * modified versions of the Program under the name "HELIUM V" or "HELIUM 5", * you may only do so if you have a written permission by HELIUM V IT-Solutions * GmbH (to acquire a permission please contact HELIUM V IT-Solutions * at trademark@heliumv.com). * * 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * Contact: developers@heliumv.com ******************************************************************************/ package com.lp.server.eingangsrechnung.fastlanereader; import java.math.BigDecimal; import java.util.Collections; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Locale; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.ScrollableResults; import org.hibernate.Session; import org.hibernate.SessionFactory; import com.lp.server.eingangsrechnung.fastlanereader.generated.FLREingangsrechnungzahlung; import com.lp.server.eingangsrechnung.service.EingangsrechnungDto; import com.lp.server.eingangsrechnung.service.EingangsrechnungFac; import com.lp.server.rechnung.service.RechnungFac; import com.lp.server.util.Facade; import com.lp.server.util.fastlanereader.FLRSessionFactory; import com.lp.server.util.fastlanereader.UseCaseHandler; import com.lp.server.util.fastlanereader.service.query.FilterBlock; import com.lp.server.util.fastlanereader.service.query.FilterKriterium; import com.lp.server.util.fastlanereader.service.query.QueryParameters; import com.lp.server.util.fastlanereader.service.query.QueryResult; import com.lp.server.util.fastlanereader.service.query.SortierKriterium; import com.lp.server.util.fastlanereader.service.query.TableInfo; import com.lp.util.BigDecimalFinanz; import com.lp.util.EJBExceptionLP; /** * <p> * Hier wird die FLR Funktionalitaet fuer die ER-Zahlung implementiert. Pro * UseCase gibt es einen Handler. * </p> * <p> * Copright Logistik Pur GmbH (c) 2005 * </p> * <p> * Erstellungsdatum 01.04.2005 * </p> * <p> * </p> * * @author Martin Bluehweis * @version 1.0 */ public class EingangsrechnungzahlungHandler extends UseCaseHandler { /** * */ private static final long serialVersionUID = 1L; // Spalten-indizes, koennen in den subklassen auch adaptiert werden. protected static int SPALTE_I_ID = 0; protected static int SPALTE_ZAHLDATUM = 1; protected static int SPALTE_ART = 2; protected static int SPALTE_BETRAG = 3; protected static int SPALTE_BETRAGUST = 4; protected static int SPALTE_OFFEN = 5; public static final String FLR_ER_ZAHLUNG = " flrerzahlung."; public static final String FLR_ER_ZAHLUNG_FROM_CLAUSE = " from FLREingangsrechnungzahlung flrerzahlung "; /** * the size of the data page returned in QueryResult. */ /** * The information needed for the Konten table. */ /** * gets the data page for the specified row using the current query. The row * at rowIndex will be located in the middle of the page. * * @see UseCaseHandler#getPageAt(java.lang.Integer) * @param rowIndex * Integer * @throws EJBExceptionLP * @return QueryResult */ public QueryResult getPageAt(Integer rowIndex) throws EJBExceptionLP { QueryResult result = null; SessionFactory factory = FLRSessionFactory.getFactory(); Session session = null; try { int colCount = getTableInfo().getColumnClasses().length; int pageSize = 999; int startIndex = Math.max(rowIndex.intValue() - (pageSize / 2), 0); int endIndex = startIndex + pageSize - 1; session = factory.openSession(); String queryString = this.getFromClause() + this.buildWhereClause() + this.buildOrderByClause(); Query query = session.createQuery(queryString); query.setFirstResult(startIndex); query.setMaxResults(pageSize); List<?> resultList = query.list(); Collections.reverse(resultList); Iterator<?> resultListIterator = resultList.iterator(); Object[][] rows = new Object[resultList.size()][colCount]; int row = resultList.size() - 1; BigDecimal bdOffen = null; while (resultListIterator.hasNext()) { FLREingangsrechnungzahlung zahlung = (FLREingangsrechnungzahlung) resultListIterator.next(); EingangsrechnungDto erDto = getEingangsrechnungFac() .eingangsrechnungFindByPrimaryKey(zahlung.getEingangsrechnung_i_id()); if (bdOffen == null) { bdOffen = erDto.getNBetragfw(); if (erDto.getEingangsrechnungartCNr() .equals(EingangsrechnungFac.EINGANGSRECHNUNGART_SCHLUSSZAHLUNG)) { bdOffen = bdOffen.subtract( getEingangsrechnungFac().getAnzahlungenZuSchlussrechnungFw(erDto.getIId())); } } bdOffen = bdOffen.subtract(zahlung.getN_betragfw()); rows[row][SPALTE_I_ID] = zahlung.getI_id(); rows[row][SPALTE_ZAHLDATUM] = zahlung.getT_zahldatum(); rows[row][SPALTE_BETRAG] = zahlung.getN_betragfw(); rows[row][SPALTE_BETRAGUST] = zahlung.getN_betrag_ustfw(); rows[row][SPALTE_OFFEN] = bdOffen; String zahlungsart = zahlung.getZahlungsart_c_nr(); String zahlungsartUebersetzt = getRechnungServiceFac().uebersetzeZahlungsartOptimal(zahlungsart, theClientDto.getLocUi(), theClientDto.getLocMandant()); String art = ""; if (zahlungsart.equalsIgnoreCase(RechnungFac.ZAHLUNGSART_BANK) && zahlung.getFlrbankverbindung() != null) { art = zahlung.getFlrbankverbindung().getFlrbank().getFlrpartner() .getC_name1nachnamefirmazeile1(); } else if (zahlungsart.equalsIgnoreCase(RechnungFac.ZAHLUNGSART_BAR) && zahlung.getFlrkassenbuch() != null) { art = zahlung.getFlrkassenbuch().getC_bez(); } else if (zahlungsart.equalsIgnoreCase(RechnungFac.ZAHLUNGSART_GUTSCHRIFT) && zahlung.getFlreingangsrechnung() != null) { art = zahlung.getFlreingangsrechnunggutschrift().getC_nr(); } else if (zahlungsart.equalsIgnoreCase(RechnungFac.ZAHLUNGSART_GEGENVERRECHNUNG) && zahlung.getFlrrechnungzahlung() != null) { art = zahlung.getFlrrechnungzahlung().getFlrrechnung().getC_nr(); } else if (zahlungsart.equalsIgnoreCase(RechnungFac.ZAHLUNGSART_VORAUSZAHLUNG) && zahlung.getFlrfinanzbuchungdetail() != null) { art = zahlung.getFlrfinanzbuchungdetail().getFlrbuchung().getC_text(); } rows[row][SPALTE_ART] = zahlungsartUebersetzt + ": " + art; row--; } result = new QueryResult(rows, this.getRowCount(), startIndex, endIndex, 0); } catch (Exception e) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e); } finally { try { session.close(); } catch (HibernateException he) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he); } } return result; } /** * gets the total number of rows represented by the current query. * * @see UseCaseHandler#getRowCountFromDataBase() * @return int */ protected long getRowCountFromDataBase() { long rowCount = 0; SessionFactory factory = FLRSessionFactory.getFactory(); Session session = null; try { session = factory.openSession(); String queryString = "select count(*) " + this.getFromClause() + this.buildWhereClause(); Query query = session.createQuery(queryString); List<?> rowCountResult = query.list(); if (rowCountResult != null && rowCountResult.size() > 0) { rowCount = ((Long) rowCountResult.get(0)).longValue(); } } catch (Exception e) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e); } finally { try { session.close(); } catch (HibernateException he) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he); } } return rowCount; } /** * builds the where clause of the HQL (Hibernate Query Language) statement * using the current query. * * @return the HQL where clause. */ private String buildWhereClause() { StringBuffer where = new StringBuffer(""); if (this.getQuery() != null && this.getQuery().getFilterBlock() != null && this.getQuery().getFilterBlock().filterKrit != null) { FilterBlock filterBlock = this.getQuery().getFilterBlock(); FilterKriterium[] filterKriterien = this.getQuery().getFilterBlock().filterKrit; String booleanOperator = filterBlock.boolOperator; boolean filterAdded = false; for (int i = 0; i < filterKriterien.length; i++) { if (filterKriterien[i].isKrit) { if (filterAdded) { where.append(" " + booleanOperator); } filterAdded = true; where.append(FLR_ER_ZAHLUNG + filterKriterien[i].kritName); where.append(" " + filterKriterien[i].operator); where.append(" " + filterKriterien[i].value); } } if (filterAdded) { where.insert(0, " WHERE"); } } return where.toString(); } /** * builds the HQL (Hibernate Query Language) order by clause using the sort * criterias contained in the current query. * * @return the HQL order by clause. */ private String buildOrderByClause() { StringBuffer orderBy = new StringBuffer(""); if (this.getQuery() != null) { SortierKriterium[] kriterien = this.getQuery().getSortKrit(); boolean sortAdded = false; if (kriterien != null && kriterien.length > 0) { for (int i = 0; i < kriterien.length; i++) { if (!kriterien[i].kritName.endsWith(Facade.NICHT_SORTIERBAR)) { if (kriterien[i].isKrit) { if (sortAdded) { orderBy.append(", "); } sortAdded = true; orderBy.append(FLR_ER_ZAHLUNG + kriterien[i].kritName); orderBy.append(" "); orderBy.append(kriterien[i].value); } } } } else { // no sort criteria found, add default sort if (sortAdded) { orderBy.append(", "); } orderBy.append(FLR_ER_ZAHLUNG + EingangsrechnungFac.FLR_ZAHLUNG_D_ZAHLDATUM + " DESC ," + FLR_ER_ZAHLUNG + "i_id DESC "); sortAdded = true; } if (orderBy.indexOf(FLR_ER_ZAHLUNG + EingangsrechnungFac.FLR_ZAHLUNG_I_ID) < 0) { // unique sort required because otherwise rowNumber of // selectedId // within sort() method may be different from the position of // selectedId // as returned in the page of getPageAt(). if (sortAdded) { orderBy.append(", "); } orderBy.append(FLR_ER_ZAHLUNG + EingangsrechnungFac.FLR_ZAHLUNG_I_ID + " "); sortAdded = true; } if (sortAdded) { orderBy.insert(0, " ORDER BY "); } } return orderBy.toString(); } /** * get the basic from clause for the HQL statement. * * @return the from clause. */ private String getFromClause() { return FLR_ER_ZAHLUNG_FROM_CLAUSE; } /** * sorts the data described by the current query using the specified sort * criterias. The current query is also updated with the new sort criterias. * * @see UseCaseHandler#sort(SortierKriterium[], Object) * @throws EJBExceptionLP * @param sortierKriterien * SortierKriterium[] * @param selectedId * Object * @return QueryResult */ public QueryResult sort(SortierKriterium[] sortierKriterien, Object selectedId) throws EJBExceptionLP { this.getQuery().setSortKrit(sortierKriterien); QueryResult result = null; int rowNumber = 0; if (selectedId != null && ((Integer) selectedId).intValue() >= 0) { SessionFactory factory = FLRSessionFactory.getFactory(); Session session = null; try { session = factory.openSession(); String queryString = "select" + FLR_ER_ZAHLUNG + EingangsrechnungFac.FLR_ZAHLUNG_I_ID + FLR_ER_ZAHLUNG_FROM_CLAUSE + this.buildWhereClause() + this.buildOrderByClause(); Query query = session.createQuery(queryString); ScrollableResults scrollableResult = query.scroll(); if (scrollableResult != null) { scrollableResult.beforeFirst(); while (scrollableResult.next()) { Integer id = (Integer) scrollableResult.getInteger(0); if (selectedId.equals(id)) { rowNumber = scrollableResult.getRowNumber(); break; } } } } catch (Exception e) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e); } finally { try { session.close(); } catch (HibernateException he) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, he); } } } if (rowNumber < 0 || rowNumber >= this.getRowCount()) { rowNumber = 0; } result = this.getPageAt(new Integer(rowNumber)); result.setIndexOfSelectedRow(rowNumber); return result; } /** * gets information about the Kontentable. * * @return TableInfo */ public TableInfo getTableInfo() { if (super.getTableInfo() == null) { String mandantCNr = theClientDto.getMandant(); Locale locUI = theClientDto.getLocUi(); setTableInfo(new TableInfo( new Class[] { Integer.class, Date.class, String.class, BigDecimal.class, BigDecimal.class, BigDecimalFinanz.class }, new String[] { "Id", getTextRespectUISpr("lp.zahldatum", mandantCNr, locUI), getTextRespectUISpr("lp.art", mandantCNr, locUI), getTextRespectUISpr("lp.betrag", mandantCNr, locUI), getTextRespectUISpr("lp.mwst", mandantCNr, locUI), getTextRespectUISpr("lp.bruttooffen", mandantCNr, locUI) }, new int[] { -1, QueryParameters.FLR_BREITE_M, -1, QueryParameters.FLR_BREITE_PREIS, QueryParameters.FLR_BREITE_PREIS, QueryParameters.FLR_BREITE_XM }, new String[] { EingangsrechnungFac.FLR_ZAHLUNG_I_ID, Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR, Facade.NICHT_SORTIERBAR })); } return super.getTableInfo(); } }