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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: StyleMapperKey.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.report.pentaho.styles;
/**
* A hash key for the stylemapper.
*
* @author Thomas Morgner
* @since 12.03.2007
*/
public final class StyleMapperKey
{
private final String elementNamespace;
private final String elementName;
private final String attributeNamespace;
private final String attributeName;
private final int hashCode;
public StyleMapperKey(final String elementNamespace,
final String elementName,
final String attributeNamespace,
final String attributeName)
{
if (elementNamespace == null)
{
throw new NullPointerException();
}
if (elementName == null)
{
throw new NullPointerException();
}
this.elementNamespace = elementNamespace;
this.elementName = elementName;
this.attributeNamespace = attributeNamespace;
this.attributeName = attributeName;
this.hashCode = computeHashCode();
}
public String getElementNamespace()
{
return elementNamespace;
}
public String getElementName()
{
return elementName;
}
public String getAttributeNamespace()
{
return attributeNamespace;
}
public String getAttributeName()
{
return attributeName;
}
public boolean equals(final Object o)
{
if (this != o)
{
if (o == null || getClass() != o.getClass())
{
return false;
}
final StyleMapperKey that = (StyleMapperKey) o;
if ((attributeName != null ? !attributeName.equals(that.attributeName) : that.attributeName != null) ||
(attributeNamespace != null ? !attributeNamespace.equals(that.attributeNamespace) : that.attributeNamespace != null) ||
!elementName.equals(that.elementName) || !elementNamespace.equals(that.elementNamespace))
{
return false;
}
}
return true;
}
private int computeHashCode()
{
int result = elementNamespace.hashCode();
result = 31 * result + elementName.hashCode();
result = 31 * result + (attributeNamespace != null ? attributeNamespace.hashCode() : 0);
result = 31 * result + (attributeName != null ? attributeName.hashCode() : 0);
return result;
}
public int hashCode()
{
return hashCode;
}
}
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