org.squale.welcom.outils.pdf.advanced.WPdfFieldReader.java Source code

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Here is the source code for org.squale.welcom.outils.pdf.advanced.WPdfFieldReader.java

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/**
 * Copyright (C) 2008-2010, Squale Project - http://www.squale.org
 *
 * This file is part of Squale.
 *
 * Squale is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 *
 * Squale 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 Lesser General Public License
 * along with Squale.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.squale.welcom.outils.pdf.advanced;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PRAcroForm;
import com.lowagie.text.pdf.PdfFormField;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfNumber;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfString;

/*
 * Cr le 3 nov. 04
 *
 * Pour changer le modle de ce fichier gnr, allez  :
 * Fentre&gt;Prfrences&gt;Java&gt;Gnration de code&gt;Code et commentaires
 */

/**
 * @author M327837 Pour changer le modle de ce commentaire de type gnr, allez  :
 *         Fentre&gt;Prfrences&gt;Java&gt;Gnration de code&gt;Code et commentaires
 */
public class WPdfFieldReader {
    /** le reader */
    private PdfReader pdfReader;

    /** les champs */
    private final WPdfFields fields = new WPdfFields();

    /** le pdfDecoration */
    private WPdfDecoration decoration = null;

    /**
     * Constructeur
     * 
     * @param pPdfReader le reader
     */
    public WPdfFieldReader(final PdfReader pPdfReader) {
        super();
        pdfReader = pPdfReader;
        // Si des champs saont present on les lits
        if (pdfReader.getAcroForm() != null) {
            init();
        }
    }

    /**
     * init
     */
    public void init() {
        for (int i = 0; i < pdfReader.getAcroForm().size(); i++) {

            final PRAcroForm.FieldInformation p = (PRAcroForm.FieldInformation) pdfReader.getAcroForm().getFields()
                    .get(i);

            final WPdfField pf = new WPdfField();
            pf.setName(p.getName());

            // Si ce n'est pas un champs text alors on l'ignore
            if (!p.getInfo().contains(PdfName.FT)
                    || !(((PdfName) p.getInfo().get(PdfName.FT)).toString().equals(PdfName.TX.toString()))) {
                pf.setType(WPdfFieldType.INCONNU);
            } else {
                if (p.getInfo().contains(PdfName.DV)) {
                    pf.setDefaultValue(((PdfString) (p.getInfo().get(PdfName.DV))).toUnicodeString());
                }
                if (p.getInfo().contains(PdfName.V)) {
                    pf.setValue(((PdfString) (p.getInfo().get(PdfName.V))).toUnicodeString());
                }
                if (p.getInfo().contains(PdfName.FF)) {
                    final PdfNumber pn = (PdfNumber) p.getInfo().get(PdfName.FF);
                    if ((pn.intValue() & PdfFormField.FF_MULTILINE) == PdfFormField.FF_MULTILINE) {
                        pf.setType(WPdfFieldType.MUTILINETEXT);
                    } else {
                        pf.setType(WPdfFieldType.TEXT);
                    }
                } else {
                    pf.setType(WPdfFieldType.TEXT);
                }
            }
            fields.add(pf);
        }
    }

    /**
     * @return fields
     */
    public WPdfFields getPdfFields() {
        return fields;
    }

    /**
     * @param out l'outputstream
     * @throws IOException exception pouvant etre levee
     * @throws DocumentException exception pouvant etre levee
     */
    public void fill(final OutputStream out) throws IOException, DocumentException {
        final WPdfFieldWriter pw = new WPdfFieldWriter(pdfReader, out, fields);
        pw.fill();
        pw.close();
    }

    /**
     * fill
     * 
     * @return un pdfReader
     * @throws IOException exception pouvant etre levee
     * @throws DocumentException exception pouvant etre levee
     */
    public PdfReader fill() throws IOException, DocumentException {
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        fill(out);
        return new PdfReader(out.toByteArray());
    }

    /**
     * @return decoration
     */
    public WPdfDecoration getDecoration() {
        return decoration;
    }

    /**
     * @param pDecoration decoration
     */
    public void setDecoration(final WPdfDecoration pDecoration) {
        decoration = pDecoration;
    }

}