PDFFontUtil.java

/**
 * 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/>.
 */
/*
 * Cr�� le 18 mars 05
 *
 * Pour changer le mod�le de ce fichier g�n�r�, allez � :
 * Fen�tre>Pr�f�rences>Java>G�n�ration de code>Code et commentaires
 */
package org.squale.welcom.outils.pdf;

import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.net.URL;
import java.util.Iterator;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionServlet;
import org.squale.welcom.outils.WelcomConfigurator;

import com.lowagie.text.FontFactory;

/**
 * @author M327836 Pour changer le mod�le de ce commentaire de type g�n�r�, allez � :
 *         Fen�tre>Pr�f�rences>Java>G�n�ration de code>Code et commentaires
 */
public class PDFFontUtil
{
    /**
     * Commons Logger for this class
     */
    private static Log logger = LogFactory.getLog( PDFFontUtil.class );

    /** Singleton */
    private static PDFFontUtil pdfFontUtil;

    /** L'actionServlet pour la conf */
    private ActionServlet servlet;

    /**
     * Contructer priv�
     * 
     * @param s Action Servlet pour la conf
     */
    private PDFFontUtil( final ActionServlet s )
    {
        servlet = s;
    }

    /**
     * Initolisation du repertoire de font pour l'impression
     * 
     * @param s Action Servlet pour la fonc
     * @return True si TVB
     */
    public static boolean init( final ActionServlet s )
    {
        pdfFontUtil = new PDFFontUtil( s );
        boolean resultSR = true;
        boolean resultIT = true;

        /*
         * TODO FAB : XReport doit �tre sorti car il s'agit d'une lib non OSS try {
         * Class.forName("inetsoft.report.ReportEnv"); inetsoft.report.ReportEnv.setProperty("font.metrics.source",
         * "truetype"); inetsoft.report.ReportEnv.setProperty("font.truetype.path",
         * PDFFontUtil.getRealFontPath().trim()); resultSR = true; } catch (final ClassNotFoundException e) { resultSR =
         * false; }
         */

        try
        {
            Class.forName( "com.lowagie.text.Document" );
            final String path = PDFFontUtil.getRealFontPath().trim();
            final File fontDir = new File( path );
            final File[] listFile = fontDir.listFiles( new FilenameFilter()
            {
                public boolean accept( File dir, String name )
                {
                    return name.endsWith( ".ttf" );
                }
            } );
            if ( listFile != null )
            {

                for ( int i = 0; i < listFile.length; i++ )
                {

                    FontFactory.register( listFile[i].getCanonicalPath() );
                }
                if ( logger.isDebugEnabled() )
                {
                    for ( final Iterator iter = FontFactory.getRegisteredFamilies().iterator(); iter.hasNext(); )
                    {
                        final String font = (String) iter.next();

                        logger.debug( "registering " + font );

                    }
                }
            }

            resultIT = true;
        }
        catch ( final ClassNotFoundException e )
        {
            if ( logger.isDebugEnabled() )
            {
                logger.debug( "Erreur lors du chargement des fonts pour itext", e );
            }
            resultIT = false;
        }
        catch ( final IOException ie )
        {
            if ( logger.isDebugEnabled() )
            {
                logger.debug( "Erreur lors du chargement des fonts pour itext", ie );
            }

            resultIT = false;
        }

        return resultSR || resultIT;
    }

    /**
     * @return Retourne le chemin absolu
     */
    private String getInternalRealFontPath()
    {

        final String inConf = WelcomConfigurator.getMessage( WelcomConfigurator.FONT_PATH );
        URL url;
        try
        {
            url = this.getClass().getClassLoader().getResource( inConf );
            if ( url != null )
            {
                return url.getFile();
            }
        }
        catch ( final Exception e )
        {
            e.printStackTrace();

        }
        return servlet.getServletContext().getRealPath( inConf );
    }

    /**
     * @return Retourne le chemin absolu
     */
    public static String getRealFontPath()
    {
        return pdfFontUtil.getInternalRealFontPath();
    }

    /**
     * @return Verifie que le chemin est trouv�
     */
    public static boolean isSpecificRealFontPath()
    {
        final File f = new File( getRealFontPath() );

        return ( f.isDirectory() );
    }
}