net.sf.mpxj.explorer.PoiTreeController.java Source code

Introduction

Here is the source code for net.sf.mpxj.explorer.PoiTreeController.java

Source

/*
 * file:       PoiTreeController.java
 * author:     Jon Iles
 * copyright:  (c) Packwood Software 2014
 * date:       06/07/2014
 */

/*
 * This library 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 2.1 of the License, or (at your
 * option) any later version.
 *
 * This library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */

package net.sf.mpxj.explorer;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.apache.poi.poifs.filesystem.POIFSFileSystem;

/**
 * Implements the controller component of the PoiTree MVC.
 */
public class PoiTreeController {
    private final PoiTreeModel m_model;

    /**
     * Constructor.
     * 
     * @param model PoiTree model
     */
    public PoiTreeController(PoiTreeModel model) {
        m_model = model;
    }

    /**
     * Command to load a file.
     * 
     * @param file file to load
     */
    public void loadFile(File file) {
        InputStream is = null;

        try {
            is = new FileInputStream(file);
            POIFSFileSystem fs = new POIFSFileSystem(is);
            m_model.setFile(fs);
        }

        catch (IOException ex) {
            throw new RuntimeException(ex);
        }

        finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException ex) {
                    // Do nothing
                }
            }
        }
    }

}