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/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: CompiledSelectorWeight.java 3524 2007-10-16 11:26:31Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.layouter.style.compiler;
import org.jfree.layouting.input.style.selectors.SelectorWeight;
/**
* This selector weight is computed over all CSS-Declaration rules
* of an document. Lower weight rules get executed before all higher
* ranking rules. The more specific a rule is, the later it gets
* executed. This allows later rules to override previously defined
* rules.
*/
public class CompiledSelectorWeight implements Comparable
{
private int fileOrder;
private int selectorOrder;
private SelectorWeight selectorWeight;
public CompiledSelectorWeight (final SelectorWeight selectorWeight,
final int fileOrder,
final int selectorOrder)
{
this.selectorWeight = selectorWeight;
this.fileOrder = fileOrder;
this.selectorOrder = selectorOrder;
}
/**
* Compares this object with the specified object for order. Returns a negative
* integer, zero, or a positive integer as this object is less than, equal to, or
* greater than the specified object.<p>
*
* @param o the Object to be compared.
* @return a negative integer, zero, or a positive integer as this object is less than,
* equal to, or greater than the specified object.
*
* @throws ClassCastException if the specified object's type prevents it from being
* compared to this Object.
*/
public int compareTo (final Object o)
{
final CompiledSelectorWeight csw = (CompiledSelectorWeight) o;
final int selectorWeightCmp = selectorWeight.compareTo(csw.selectorWeight);
if (selectorWeightCmp != 0)
{
return selectorWeightCmp;
}
if (fileOrder < csw.fileOrder)
{
return -1;
}
if (fileOrder > csw.fileOrder)
{
return +1;
}
if (selectorOrder < csw.selectorOrder)
{
return -1;
}
if (selectorOrder > csw.selectorOrder)
{
return +1;
}
return 0;
}
}
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