it.doqui.index.ecmengine.business.foundation.repository.ExportSvcBean.java Source code

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Here is the source code for it.doqui.index.ecmengine.business.foundation.repository.ExportSvcBean.java

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/* Index ECM Engine - A system for managing the capture (when created
 * or received), classification (cataloguing), storage, retrieval,
 * revision, sharing, reuse and disposition of documents.
 *
 * Copyright (C) 2008 Regione Piemonte
 * Copyright (C) 2008 Provincia di Torino
 * Copyright (C) 2008 Comune di Torino
 *
 * 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 2,
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

package it.doqui.index.ecmengine.business.foundation.repository;

import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.service.cmr.view.Exporter;
import org.alfresco.service.cmr.view.ExporterCrawlerParameters;
import org.alfresco.service.cmr.view.ExporterService;
import org.alfresco.service.cmr.view.Location;
import it.doqui.index.ecmengine.business.foundation.EcmEngineWrapperBean;
import it.doqui.index.ecmengine.business.foundation.util.FoundationErrorCodes;
import it.doqui.index.ecmengine.exception.repository.ExportRuntimeException;

import java.io.UnsupportedEncodingException;
import org.alfresco.service.cmr.view.ExporterException;
import org.alfresco.service.cmr.view.ReferenceType;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;

public class ExportSvcBean extends EcmEngineWrapperBean {

    private static final long serialVersionUID = -9084583399572312013L;

    public byte[] export(String tenant) throws ExportRuntimeException {
        logger.debug("[ExportSvcBean::export] BEGIN");
        ByteArrayOutputStream os = null;
        byte[] data = null;
        try {
            os = new ByteArrayOutputStream();
            Location loc = new Location(new StoreRef("workspace", "@" + tenant + "@SpacesStore"));
            ExporterCrawlerParameters ecp = new ExporterCrawlerParameters();
            ecp.setCrawlAssociations(true);
            ecp.setCrawlChildNodes(true);
            ecp.setCrawlContent(true);
            ecp.setCrawlNullProperties(true);
            ecp.setCrawlSelf(true);
            ecp.setExportFrom(loc);
            getExportService().exportView(createXMLExporter(os, ecp.getReferenceType()), ecp, null);
            //getExportService().exportView(os, ecp,null);
            data = os.toByteArray();
            os.close();
        } catch (Exception e) {
            logger.error("[ExportSvcBean::export] ERROR:\n" + e.getMessage());
            throw new ExportRuntimeException(FoundationErrorCodes.GENERIC_EXPORT_EXCEPTION);
        } finally {
            try {
                os.close();
            } catch (Exception e) {
            }
            logger.debug("[ExportSvcBean::export] END");
        }
        return data;
    }

    private ExporterService getExportService() {
        return (ExporterService) serviceRegistry.getExporterService();
    }

    private Exporter createXMLExporter(OutputStream viewWriter, ReferenceType referenceType) {
        // Define output format
        OutputFormat format = OutputFormat.createPrettyPrint();
        format.setNewLineAfterDeclaration(false);
        format.setIndentSize(2);
        format.setEncoding("UTF-8");

        // Construct an XML Exporter
        try {
            XMLWriter writer = new XMLWriter(viewWriter, format);
            ECMEngineExporter exporter = new ECMEngineExporter(serviceRegistry.getNamespaceService(),
                    serviceRegistry.getNodeService(), serviceRegistry.getSearchService(),
                    serviceRegistry.getDictionaryService(), serviceRegistry.getPermissionService(), writer);
            exporter.setReferenceType(referenceType);
            return exporter;
        } catch (UnsupportedEncodingException e) {
            throw new ExporterException("Failed to create XML Writer for export", e);
        } catch (Exception e) {
            throw new ExporterException("Failed to create XML Writer for export", e);
        }
    }
}