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• ConsStatoInvioBP.java

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it.cnr.contab.doccont00.consultazioni.bp.ConsStatoInvioBP Maven / Gradle / Ivy

/*
 * Copyright (C) 2019  Consiglio Nazionale delle Ricerche
 *
 *     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 the
 *     License, or (at your option) 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 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 .
 */

package it.cnr.contab.doccont00.consultazioni.bp;

import it.cnr.contab.doccont00.consultazioni.bulk.V_cons_stato_invio;
import it.cnr.contab.doccont00.service.ContabiliService;
import it.cnr.contab.service.SpringUtil;
import it.cnr.jada.action.ActionContext;
import it.cnr.jada.action.BusinessProcessException;
import it.cnr.jada.action.Config;
import it.cnr.jada.action.HttpActionContext;
import it.cnr.jada.bulk.OggettoBulk;
import it.cnr.jada.comp.ApplicationException;
import it.cnr.jada.comp.ComponentException;
import it.cnr.jada.persistency.sql.CompoundFindClause;
import it.cnr.jada.util.RemoteIterator;
import it.cnr.jada.util.action.CondizioneComplessaBulk;
import it.cnr.jada.util.action.SearchProvider;
import it.cnr.jada.util.action.SelezionatoreListaBP;
import it.cnr.jada.util.jsp.Button;
import org.apache.http.HttpStatus;
import org.apache.pdfbox.multipdf.PDFMergerUtility;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;

public class ConsStatoInvioBP extends SelezionatoreListaBP implements SearchProvider {
    private static final long serialVersionUID = 1L;
    private ContabiliService contabiliService;
    private boolean contabiliEnabled;
    private String tipo;

    public ConsStatoInvioBP() {
        super();
    }

    @Override
    public void setMultiSelection(boolean flag) {
        super.setMultiSelection(flag);
        super.table.setOnselect("select");
    }

    @Override
    protected void init(Config config, ActionContext context)
            throws BusinessProcessException {
        setMultiSelection(true);
        tipo = config.getInitParameter("tipo");
        try {
            setBulkInfo(it.cnr.jada.bulk.BulkInfo.getBulkInfo(
                    Class.forName(config.getInitParameter("bulkClassName"))
            ));
            OggettoBulk model = (OggettoBulk) getBulkInfo().getBulkClass().newInstance();
            setModel(context, model);
        } catch (ClassNotFoundException | IllegalAccessException | InstantiationException e) {
            throw handleException(e);
        }
        setColumns(getBulkInfo().getColumnFieldPropertyDictionary());
        super.init(config, context);
        contabiliService = SpringUtil.getBean("contabiliService",
                ContabiliService.class);
        openIterator(context);
    }

    public it.cnr.jada.ejb.CRUDComponentSession createComponentSession() throws javax.ejb.EJBException, java.rmi.RemoteException, BusinessProcessException {
        return (it.cnr.jada.ejb.CRUDComponentSession) createComponentSession("JADAEJB_CRUDComponentSession", it.cnr.jada.ejb.CRUDComponentSession.class);
    }

    @Override
    public Button[] createToolbar() {
        Button[] baseToolbar = super.createToolbar();
        List listButton = new ArrayList();
        listButton.addAll(Arrays.asList(baseToolbar));
        listButton.add(new it.cnr.jada.util.jsp.Button(it.cnr.jada.util.Config.getHandler().
                getProperties(getClass()), "CRUDToolbar.contabile"));
        return listButton.toArray(new Button[listButton.size()]);
    }

    @SuppressWarnings("unchecked")
    public void scaricaContabili(ActionContext actioncontext) throws Exception {
        List selectelElements = getSelectedElements(actioncontext);
        if (selectelElements == null || selectelElements.isEmpty()) {
            ((HttpActionContext) actioncontext).getResponse().setStatus(HttpStatus.SC_NO_CONTENT);
            return;
        }
        PDFMergerUtility ut = new PDFMergerUtility();
        ut.setDestinationStream(new ByteArrayOutputStream());
        for (V_cons_stato_invio cons : selectelElements) {
            InputStream isToAdd = contabiliService.getStreamContabile(
                    cons.getEsercizio().intValue(), cons.getCd_cds(), cons.getProgressivo(), cons.getTipo());
            if (isToAdd != null)
                ut.addSource(isToAdd);
        }
        ut.mergeDocuments();
        InputStream is = new ByteArrayInputStream(((ByteArrayOutputStream) ut.getDestinationStream()).toByteArray());
        if (is != null) {
            ((HttpActionContext) actioncontext).getResponse().setContentType("application/pdf");
            OutputStream os = ((HttpActionContext) actioncontext).getResponse().getOutputStream();
            ((HttpActionContext) actioncontext).getResponse().setDateHeader("Expires", 0);
            byte[] buffer = new byte[((HttpActionContext) actioncontext).getResponse().getBufferSize()];
            int buflength;
            while ((buflength = is.read(buffer)) > 0) {
                os.write(buffer, 0, buflength);
            }
            is.close();
            os.flush();
        }
    }

    public boolean isContabiliEnabled() {
        return contabiliEnabled;
    }

    public void setContabiliEnabled(ActionContext actioncontext) throws BusinessProcessException, ApplicationException {
        contabiliEnabled = false;
        for (it.cnr.jada.util.action.SelectionIterator i = getSelection().iterator(); i.hasNext(); ) {
            V_cons_stato_invio cons = (V_cons_stato_invio) getElementAt(actioncontext, i.nextIndex());
            List nodeRefs = contabiliService.getNodeRefContabile(cons.getEsercizio().intValue(),
                    cons.getCd_cds(), cons.getProgressivo(), cons.getTipo());
            if (nodeRefs != null && !nodeRefs.isEmpty()) {
                contabiliEnabled = true;
                break;
            }

        }
    }

    public void scaricaContabile(ActionContext actioncontext) throws Exception {
        Integer esercizio = Integer.valueOf(((HttpActionContext) actioncontext).getParameter("esercizio"));
        String cds = ((HttpActionContext) actioncontext).getParameter("cds");
        Long numero_mandato = Long.valueOf(((HttpActionContext) actioncontext).getParameter("numero_mandato"));
        InputStream is = contabiliService.getStreamContabile(esercizio, cds, numero_mandato, tipo);
        if (is != null) {
            ((HttpActionContext) actioncontext).getResponse().setContentType("application/pdf");
            OutputStream os = ((HttpActionContext) actioncontext).getResponse().getOutputStream();
            ((HttpActionContext) actioncontext).getResponse().setDateHeader("Expires", 0);
            byte[] buffer = new byte[((HttpActionContext) actioncontext).getResponse().getBufferSize()];
            int buflength;
            while ((buflength = is.read(buffer)) > 0) {
                os.write(buffer, 0, buflength);
            }
            is.close();
            os.flush();
        }
    }

    @Override
    public RemoteIterator search(
            ActionContext actioncontext,
            CompoundFindClause compoundfindclause,
            OggettoBulk oggettobulk)
            throws BusinessProcessException {
        try {
            return createComponentSession().cerca(actioncontext.getUserContext(),
                    compoundfindclause,
                    (OggettoBulk) getBulkInfo().getBulkClass().newInstance());
        } catch (ComponentException | RemoteException | IllegalAccessException | InstantiationException e) {
            throw handleException(e);
        }
    }

    public void openIterator(ActionContext actioncontext)
            throws BusinessProcessException {
        try {
            setIterator(actioncontext, search(
                    actioncontext,
                    Optional.ofNullable(getCondizioneCorrente())
                            .map(CondizioneComplessaBulk::creaFindClause)
                            .filter(CompoundFindClause.class::isInstance)
                            .map(CompoundFindClause.class::cast)
                            .orElseGet(() -> new CompoundFindClause()),
                    getModel())
            );
        } catch (RemoteException e) {
            throw new BusinessProcessException(e);
        }
    }
}