// uniCenta oPOS - Touch Friendly Point Of Sale
// Copyright (c) 2009-2014 uniCenta & previous Openbravo POS works
// http://www.unicenta.com
//
// This file is part of uniCenta oPOS
//
// uniCenta oPOS is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// uniCenta oPOS 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with uniCenta oPOS. If not, see <http://www.gnu.org/licenses/>.
package com.openbravo.data.loader;
import java.util.Comparator;
/**
*
* @author JG uniCenta
*/
public class ComparatorCreatorBasic implements ComparatorCreator {
private String[] m_sHeaders;
private Datas[] m_aDatas;
private int[] m_iAvailableIndexes;
/** Creates a new instance of ComparatorCreatorBasic
* @param sHeaders
* @param aDatas
* @param iAvailableIndexes */
public ComparatorCreatorBasic(String[] sHeaders, Datas[] aDatas, int[] iAvailableIndexes) {
m_sHeaders = sHeaders;
m_aDatas = aDatas;
m_iAvailableIndexes = iAvailableIndexes;
}
/**
*
* @param sHeaders
* @param aDatas
*/
public ComparatorCreatorBasic(String[] sHeaders, Datas[] aDatas) {
m_sHeaders = sHeaders;
m_aDatas = aDatas;
m_iAvailableIndexes = new int[aDatas.length];
for (int i = 0; i < aDatas.length; i++) {
m_iAvailableIndexes[i] = i;
}
}
/**
*
* @return
*/
public String[] getHeaders() {
String[] sTempHeaders = new String[m_iAvailableIndexes.length];
for (int i = 0; i < m_iAvailableIndexes.length; i++) {
sTempHeaders[i] = m_sHeaders[m_iAvailableIndexes[i]];
}
return sTempHeaders;
}
/**
*
* @param aiOrderBy
* @return
*/
public Comparator createComparator(int[] aiOrderBy) {
return new ComparatorBasic(aiOrderBy);
}
/**
*
*/
public class ComparatorBasic implements Comparator {
private int[] m_aiOrderBy;
/** Creates a new instance of ComparatorBasic
* @param aiOrderBy */
public ComparatorBasic(int[] aiOrderBy) {
m_aiOrderBy = aiOrderBy;
}
public int compare(Object o1, Object o2) {
if (o1 == null) {
if (o2 == null) {
return 0;
} else {
return -1;
}
} else if (o2 == null) {
return +1;
} else {
// ninguno de los dos es nulo...
Object[] ao1 = (Object[]) o1;
Object[] ao2 = (Object[]) o2;
for (int i = 0; i < m_aiOrderBy.length; i++) {
int result = m_aDatas[m_iAvailableIndexes[m_aiOrderBy[i]]].compare(ao1[m_iAvailableIndexes[m_aiOrderBy[i]]], ao2[m_iAvailableIndexes[m_aiOrderBy[i]]]);
if (result != 0) {
return result;
}
}
return 0;
}
}
}
}