BusinessImpactFilter.java

/*
 * $Id$
 *
 * Copyright 2006, The jCoderZ.org Project. All rights reserved.
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 *      its contributors may be used to endorse or promote products
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package org.jcoderz.commons.logging;

import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.jcoderz.commons.BusinessImpact;


/**
 * This filter is used for filtering log messages according to the business
 * impact.
 *
 */
public class BusinessImpactFilter
      implements Filter
{
   private final Set mAllowedImpacts;

   /**
    * Creates a new instance of this and sets the business impacts, which will
    * pass this filter. All business impacts within the supplied list must be
    * given in their textual representation.
    *
    * @param impacts The list storing passable business impacts in their textual
    * representation.
    */
   public BusinessImpactFilter (final List impacts)
   {
      mAllowedImpacts = new HashSet();
      if (impacts != null)
      {
         for (final Iterator iter = impacts.iterator(); iter.hasNext(); )
         {
            final BusinessImpact impact
                  = BusinessImpact.fromString((String) iter.next());
            mAllowedImpacts.add(impact);
         }
      }
   }

   /** {@inheritDoc} */
   public boolean isPassable (LogItem entry)
   {
      return mAllowedImpacts.contains(entry.getBusinessImpact());
   }
}