com.nabla.wapp.report.server.ReportTemplateList.java Source code

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Here is the source code for com.nabla.wapp.report.server.ReportTemplateList.java

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/**
* Copyright 2013 nabla
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*
*/
package com.nabla.wapp.report.server;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.sql.Connection;
import java.util.LinkedList;
import java.util.Locale;
import java.util.Map;

import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfCopyFields;
import com.nabla.wapp.server.general.Util;
import com.nabla.wapp.shared.dispatch.InternalErrorException;
import com.nabla.wapp.shared.print.ReportFormats;

public class ReportTemplateList extends LinkedList<ReportTemplate> {

    private static final long serialVersionUID = 1L;

    public Report mergeToPdf(final Connection conn, final Map<String, Object> parameters, final Locale locale)
            throws InternalErrorException {
        final ByteArrayOutputStream tmp = new ByteArrayOutputStream();
        try {
            final PdfCopyFields pdf = new PdfCopyFields(tmp);
            try {
                for (ReportTemplate template : this)
                    pdf.addDocument(template.generatePdf(conn, parameters, locale));
            } finally {
                pdf.close();
            }
        } catch (DocumentException e) {
            throw new InternalErrorException(Util.formatInternalErrorDescription(e));
        } catch (IOException e) {
            throw new InternalErrorException(Util.formatInternalErrorDescription(e));
        }
        return new Report("name", new ByteArrayInputStream(tmp.toByteArray()), ReportFormats.PDF);
    }

}