/**
* This file is part of Archiv-Editor.
*
* The software Archiv-Editor serves as a client user interface for working with
* the Person Data Repository. See: pdr.bbaw.de
*
* The software Archiv-Editor was developed at the Berlin-Brandenburg Academy
* of Sciences and Humanities, Jägerstr. 22/23, D-10117 Berlin.
* www.bbaw.de
*
* Copyright (C) 2010-2013 Berlin-Brandenburg Academy
* of Sciences and Humanities
*
* The software Archiv-Editor was developed by @author: Christoph Plutte.
*
* Archiv-Editor 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 3 of the License, or
* (at your option) any later version.
*
* Archiv-Editor 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 Archiv-Editor.
* If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
*/
package org.bbaw.pdr.ae.control.comparator;
import java.util.Comparator;
import org.bbaw.pdr.ae.model.Aspect;
import org.bbaw.pdr.ae.model.ValidationStm;
/**
* comparator for aspects by reference.
* @author Christoph Plutte
*/
public class AspectsByReferenceComparator implements Comparator<Aspect>
{
/** ascending flag. */
private boolean _ascending;
/**
* constructor with ascending flag.
* @param ascending ascending flag.
*/
public AspectsByReferenceComparator(final boolean ascending)
{
this._ascending = ascending;
}
@Override
public final int compare(final Aspect a1, final Aspect a2)
{
int diff = 0;
String refId1 = null;
String refId2 = null;
if (a1 != null && a1.getValidation() != null && a1.getValidation().getValidationStms() != null
&& !a1.getValidation().getValidationStms().isEmpty())
{
if (a1.getValidation().getValidationStms().firstElement().getReference() != null
&& a1.getValidation().getValidationStms().firstElement().getReference().getSourceId() != null)
{
refId1 = a1.getValidation().getValidationStms().firstElement().getReference().getSourceId().toString();
}
else
{
for (ValidationStm vStm : a1.getValidation().getValidationStms())
{
if (vStm.getReference() != null && vStm.getReference().getSourceId() != null)
{
refId1 = vStm.getReference().getSourceId().toString();
break;
}
}
}
}
if (a2 != null && a2.getValidation() != null && a2.getValidation().getValidationStms() != null
&& !a2.getValidation().getValidationStms().isEmpty())
{
if (a2.getValidation().getValidationStms().firstElement().getReference() != null
&& a2.getValidation().getValidationStms().firstElement().getReference().getSourceId() != null)
{
refId2 = a2.getValidation().getValidationStms().firstElement().getReference().getSourceId().toString();
}
else
{
for (ValidationStm vStm : a2.getValidation().getValidationStms())
{
if (vStm.getReference() != null && vStm.getReference().getSourceId() != null)
{
refId2 = vStm.getReference().getSourceId().toString();
break;
}
}
}
}
if (refId1 != null && refId2 != null)
{
diff = refId1.compareTo(refId2);
}
else if (refId1 != null)
{
diff = -1;
}
else if (refId2 != null)
{
diff = 1;
}
else
{
diff = 0;
}
if (_ascending)
{
return -diff;
}
else
{
return diff;
}
}
}