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.bestellung.fastlanereader; import java.awt.Color; import java.rmi.RemoteException; import java.util.Date; import java.util.Iterator; import java.util.List; import java.util.Locale; import org.hibernate.Query; import org.hibernate.ScrollableResults; import org.hibernate.Session; import org.hibernate.SessionFactory; import com.lp.server.artikel.fastlanereader.generated.FLRArtikellistespr; import com.lp.server.artikel.service.ArtikelFac; import com.lp.server.benutzer.service.RechteFac; import com.lp.server.bestellung.fastlanereader.generated.FLRBestellposition; import com.lp.server.bestellung.fastlanereader.generated.FLRBestellpositionMitArtikelliste; import com.lp.server.bestellung.service.BestellpositionDto; import com.lp.server.bestellung.service.BestellpositionFac; import com.lp.server.bestellung.service.BestellungDto; import com.lp.server.partner.service.LieferantDto; import com.lp.server.partner.service.PartnerDto; import com.lp.server.system.jcr.service.JCRDocFac; import com.lp.server.system.service.LocaleFac; import com.lp.server.system.service.MandantFac; 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.EJBExceptionLP; import com.lp.util.Helper; /** * <p> * <I>FLR-Handler fuer Bestellpositionen</I> * </p> * * <p> * Copyright Logistik Pur Software GmbH (c) 2004-2007 * </p> * * <p> * Erstellungsdatum <I>10.02.05</I> * </p> * * <p> * </p> * * @author GH * @version 1.0 */ public class OffeneWEPosHandler extends UseCaseHandler { /** * */ private static final long serialVersionUID = 1L; /** * gets the page of data for the specified row using the current * queryParameters. * * @param rowIndex * the index of the row that should be contained in the page. * @return the data page for the specified row. * @throws EJBExceptionLP */ public QueryResult getPageAt(Integer rowIndex) throws EJBExceptionLP { QueryResult result = null; SessionFactory factory = FLRSessionFactory.getFactory(); Session session = null; String mandantCNr = theClientDto.getMandant(); Locale locUI = theClientDto.getLocUi(); try { int colCount = getTableInfo().getColumnClasses().length; int pageSize = BestellungHandler.PAGE_SIZE; int startIndex = Math.max(rowIndex.intValue() - (pageSize / 2), 0); int endIndex = startIndex + pageSize - 1; session = factory.openSession(); session = setFilter(session); String queryString = this.getFromClause() + this.buildWhereClause() + this.buildOrderByClause(); Query query = session.createQuery(queryString); query.setFirstResult(startIndex); query.setMaxResults(pageSize); List<?> resultList = query.list(); Iterator<?> resultListIterator = resultList.iterator(); Object[][] rows = new Object[resultList.size()][colCount]; String[] tooltipData = new String[resultList.size()]; int row = 0; int col = 0; // darf Preise sehen. final boolean bDarfPreiseSehen = getTheJudgeFac().hatRecht(RechteFac.RECHT_LP_DARF_PREISE_SEHEN_EINKAUF, theClientDto); int iNachkommastellenMenge = getMandantFac().getNachkommastellenMenge(mandantCNr); while (resultListIterator.hasNext()) { Object[] o = (Object[]) resultListIterator.next(); FLRBestellpositionMitArtikelliste position = (FLRBestellpositionMitArtikelliste) o[0]; rows[row][col++] = position.getI_id(); rows[row][col++] = position.getT_uebersteuerterliefertermin(); rows[row][col++] = position.getT_auftragsbestaetigungstermin(); if (position.getFlrartikel() != null) { if (position.getFlrartikel().getArtikelart_c_nr().equals(ArtikelFac.ARTIKELART_HANDARTIKEL)) { rows[row][col++] = null; } else { rows[row][col++] = position.getFlrartikel().getC_nr(); } } else { rows[row][col++] = null; } if (o[1] != null) { FLRArtikellistespr spr = (FLRArtikellistespr) o[1]; rows[row][col++] = spr.getC_bez(); } else { rows[row][col++] = position.getC_bezeichnung(); } if (position.getN_offenemenge() != null) { rows[row][col++] = getUIObjectBigDecimalNachkommastellen(position.getN_offenemenge(), iNachkommastellenMenge); } else { rows[row][col++] = getUIObjectBigDecimalNachkommastellen(position.getN_menge(), iNachkommastellenMenge); } rows[row][col++] = position.getFlrbestellung().getC_nr(); rows[row][col++] = position.getFlrbestellung().getFlrlieferant().getFlrpartner() .getC_name1nachnamefirmazeile1(); if (position.getFlrartikel() != null && Helper.short2boolean(position.getFlrartikel().getB_seriennrtragend())) { rows[row][col++] = Color.GRAY; } else { rows[row][col++] = null; } row++; col = 0; } result = new QueryResult(rows, this.getRowCount(), startIndex, endIndex, 0, tooltipData); } catch (Exception e) { throw new EJBExceptionLP(EJBExceptionLP.FEHLER_FLR, e); } finally { closeSession(session); } return result; } public Session setFilter(Session session) { session = super.setFilter(session); String sMandant = theClientDto.getMandant(); if (getMandantFac().darfAnwenderAufZusatzfunktionZugreifen(MandantFac.ZUSATZFUNKTION_ZENTRALER_ARTIKELSTAMM, theClientDto)) { session.enableFilter("filterMandant").setParameter("paramMandant", getSystemFac().getHauptmandant()); } else { session.enableFilter("filterMandant").setParameter("paramMandant", sMandant); } return session; } /** * gets the total number of rows available using the current query. * * @return the number of rows in the query. */ protected long getRowCountFromDataBase() { long rowCount = 0; SessionFactory factory = FLRSessionFactory.getFactory(); Session session = null; try { session = factory.openSession(); session = setFilter(session); 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, e); } finally { closeSession(session); } 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; if (filterKriterien[i].isBIgnoreCase()) { where.append(" lower(" + filterKriterien[i].kritName + ")"); where.append(" " + filterKriterien[i].operator); where.append(" " + filterKriterien[i].value.toLowerCase()); } else { where.append(" " + 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].isKrit) { if (sortAdded) { orderBy.append(", "); } sortAdded = true; orderBy.append("position." + kriterien[i].kritName); orderBy.append(" "); orderBy.append(kriterien[i].value); } } } else { // no sort criteria found, add default sort if (sortAdded) { orderBy.append(", "); } orderBy.append("position.") .append(BestellpositionFac.FLR_BESTELLPOSITION_T_UEBERSTEUERTERLIEFERTERMIN) .append(" ASC "); sortAdded = true; } if (orderBy.indexOf( "position." + BestellpositionFac.FLR_BESTELLPOSITION_T_UEBERSTEUERTERLIEFERTERMIN) < 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(" position.") .append(BestellpositionFac.FLR_BESTELLPOSITION_T_UEBERSTEUERTERLIEFERTERMIN).append(" "); 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 "from FLRBestellpositionMitArtikelliste position LEFT OUTER JOIN position.flrartikel.artikelsprset AS aspr "; } /** * gets information such as column names an column types used for the table * on the client side. * * @return the information needed to create the client side table. */ public TableInfo getTableInfo() { try { if (super.getTableInfo() == null) { String mandantCNr = theClientDto.getMandant(); int iNachkommastellenMenge = getMandantFac().getNachkommastellenMenge(mandantCNr); int iNachkommastellenPreis = getMandantFac().getNachkommastellenPreisEK(mandantCNr); setTableInfo(new TableInfo( new Class[] { Integer.class, Date.class, Date.class, String.class, String.class, super.getUIClassBigDecimalNachkommastellen(iNachkommastellenMenge), String.class, String.class, Color.class }, new String[] { "i_id", getTextRespectUISpr("bes.bestelltermin", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("bes.termin", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("artikel.artikelnummerlang", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("bes.bezeichnung", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("bes.offenemenge", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("bes.bestellung", theClientDto.getMandant(), theClientDto.getLocUi()), getTextRespectUISpr("bes.lieferant", theClientDto.getMandant(), theClientDto.getLocUi()), " " }, new int[] { QueryParameters.FLR_BREITE_SHARE_WITH_REST, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_XM, QueryParameters.FLR_BREITE_SHARE_WITH_REST, getUIBreiteAbhaengigvonNachkommastellen(QueryParameters.PREIS, iNachkommastellenPreis), QueryParameters.FLR_BREITE_M, QueryParameters.FLR_BREITE_XM, 1 }, new String[] { "i_id", BestellpositionFac.FLR_BESTELLPOSITION_T_UEBERSTEUERTERLIEFERTERMIN, BestellpositionFac.FLR_BESTELLPOSITION_T_AUFTRAGSBESTAETIGUNGSTERMIN, BestellpositionFac.FLR_BESTELLPOSITION_FLRARTIKEL + ".c_nr", BestellpositionFac.FLR_BESTELLPOSITION_C_BEZEICHNUNG, BestellpositionFac.FLR_BESTELLPOSITION_N_OFFENEMENGE, BestellpositionFac.FLR_BESTELLPOSITION_FLRBESTELLUNG + ".c_nr", BestellpositionFac.FLR_BESTELLPOSITION_FLRBESTELLUNG + ".flrlieferant.flrpartner.c_name1nachnamefirmazeile1", Facade.NICHT_SORTIERBAR })); } return super.getTableInfo(); } catch (RemoteException ex) { throwEJBExceptionLPRespectOld(ex); return null; } } /** * sorts the data of the current query using the specified criterias and * returns the page of data where the row of selectedId is contained. * * @param sortierKriterien * the new sort criterias. * @param selectedId * the id of the entity that should be included in the result * page. * @return the sorted data containing the page where the entity with the * specified id is located. * @throws EJBExceptionLP */ 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(); session = setFilter(session); String queryString = "select position." + "i_id" + " from FLRBestellpositionMitArtikelliste position LEFT OUTER JOIN position.flrartikel.artikelsprset AS aspr " + this.buildWhereClause() + this.buildOrderByClause(); Query query = session.createQuery(queryString); ScrollableResults scrollableResult = query.scroll(); boolean idFound = false; 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 { closeSession(session); } } if (rowNumber < 0 || rowNumber >= this.getRowCount()) { rowNumber = 0; } result = this.getPageAt(new Integer(rowNumber)); result.setIndexOfSelectedRow(rowNumber); return result; } public String getSTable() { return "BESTELLPOSITION"; } }