net.sf.jhylafax.addressbook.AbstractContactTransferHandler.java Source code

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Here is the source code for net.sf.jhylafax.addressbook.AbstractContactTransferHandler.java

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/**
 * JHylaFax - A java client for HylaFAX.
 *
 * Copyright (C) 2005 by Steffen Pingel <steffenp@gmx.de>
 *
 * 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 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 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, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package net.sf.jhylafax.addressbook;

import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.io.InputStream;
import javax.swing.JComponent;
import javax.swing.TransferHandler;
import net.wimpi.pim.Pim;
import net.wimpi.pim.contact.io.ContactUnmarshaller;
import net.wimpi.pim.contact.model.Contact;
import net.wimpi.pim.factory.ContactIOFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public abstract class AbstractContactTransferHandler extends TransferHandler {

    private final static Log logger = LogFactory.getLog(AbstractContactTransferHandler.class);

    public abstract void importData(Contact[] contacts);

    @Override
    public boolean importData(JComponent component, Transferable transferable) {
        if (canImport(component, transferable.getTransferDataFlavors())) {
            try {
                ContactIOFactory factory = Pim.getContactIOFactory();
                ContactUnmarshaller unmarshaller = factory.createContactUnmarshaller();
                InputStream in = (InputStream) transferable.getTransferData(ContactTransferable.VCARD_FLAVOR);
                unmarshaller.setEncoding("UTF-8");
                Contact[] contacts = unmarshaller.unmarshallContacts(in);
                if (contacts != null && contacts.length > 0) {
                    importData(contacts);
                }
                return true;
            } catch (Exception e) {
                logger.debug("Error during import", e);
            }
        }
        return false;
    }

    @Override
    public boolean canImport(JComponent component, DataFlavor[] transferFlavors) {
        if (transferFlavors == null) {
            return false;
        }

        for (int i = 0; i < transferFlavors.length; i++) {
            if (ContactTransferable.VCARD_FLAVOR.equals(transferFlavors[i])) {
                return true;
            }
        }
        return false;
    }
}