/*
* $Id$
*
* Copyright 2006, The jCoderZ.org Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
* * Neither the name of the jCoderZ.org Project nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
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.Category;
/**
* This filter is used for filtering log messages according to the category.
*
*/
public class CategoryFilter
implements Filter
{
private final Set mAllowedCategories;
/**
* Creates a new instance of this and sets the categories, which will
* pass this filter. All categories within the supplied list must be
* given in their textual representation.
*
* @param categories The list storing passable categories in their
* textual representation.
*/
public CategoryFilter (final List categories)
{
mAllowedCategories = new HashSet();
if (categories != null)
{
for (final Iterator iter = categories.iterator(); iter.hasNext(); )
{
final Category cat
= Category.fromString((String) iter.next());
mAllowedCategories.add(cat);
}
}
}
/** {@inheritDoc} */
public boolean isPassable (LogItem entry)
{
return mAllowedCategories.contains(entry.getCategory());
}
}