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PropertiesResourceFactory.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 (c) 2006 - 2009 Pentaho Corporation and Contributors.  All rights reserved.
 */

package org.pentaho.reporting.libraries.resourceloader.factory.property;

import java.util.Properties;
import java.io.IOException;
import java.io.InputStream;

import org.pentaho.reporting.libraries.resourceloader.ResourceFactory;
import org.pentaho.reporting.libraries.resourceloader.Resource;
import org.pentaho.reporting.libraries.resourceloader.ResourceManager;
import org.pentaho.reporting.libraries.resourceloader.ResourceData;
import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
import org.pentaho.reporting.libraries.resourceloader.ResourceCreationException;
import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
import org.pentaho.reporting.libraries.resourceloader.SimpleResource;

00033 public class PropertiesResourceFactory
  implements ResourceFactory
{
  public PropertiesResourceFactory ()
  {
  }

00040   public Resource create (final ResourceManager manager,
                          final ResourceData data,
                          final ResourceKey context)
          throws ResourceCreationException, ResourceLoadingException
  {
    try
    {
      final Properties properties = new Properties();
      final InputStream stream = data.getResourceAsStream(manager);
      try
      {
        properties.load(stream);
      }
      finally
      {
        stream.close();
      }
      return new SimpleResource (data.getKey(), properties, Properties.class, data.getVersion(manager));
    }
    catch (IOException e)
    {
      throw new ResourceLoadingException("Failed to load the properties file.",e);
    }
  }

00065   public Class getFactoryType ()
  {
    return Properties.class;
  }

00070   public void initializeDefaults ()
  {
    // none required ...
  }
}

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