FileOutputHandler.java

/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 Lesser General Public License for more details.
 *
 * Copyright 2006 - 2009 Pentaho Corporation.  All rights reserved.
 *
 *
 * @created Dec 21, 2006
 * @author James Dixon
 * 
 */

package org.pentaho.platform.plugin.outputs;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.platform.api.repository.IContentItem;
import org.pentaho.platform.engine.core.output.SimpleContentItem;
import org.pentaho.platform.engine.services.outputhandler.BaseOutputHandler;
import org.pentaho.platform.plugin.services.messages.Messages;

public class FileOutputHandler extends BaseOutputHandler {
  protected static final Log logger = LogFactory.getLog(FileOutputHandler.class);

  @Override
  public IContentItem getFileOutputContentItem() {

    String contentRef = getContentRef();
    File file = new File(contentRef);
    File dir = file.getParentFile();
    if ((dir != null) && !dir.exists()) {
      boolean result = dir.mkdirs();
      if (!result) {
        logger.error(Messages.getInstance().getErrorString("FileOutputHandler.ERROR_0001_COULD_NOT_CREATE_DIRECTORY", dir.getAbsolutePath())); //$NON-NLS-1$
        return null;
      }
    }
    try {
      FileOutputStream outputStream = new FileOutputStream(file);
      SimpleContentItem content = new SimpleContentItem(outputStream);
      return content;
    } catch (FileNotFoundException e) {
      logger.error(Messages.getInstance().getErrorString("FileOutputHandler.ERROR_0002_COULD_NOT_CREATE_OUTPUT_FILE", file.getAbsolutePath()), e); //$NON-NLS-1$
    }
    return null;
  }

}