org.broadleafcommerce.core.catalog.domain.ProductBundleComparator Maven / Gradle / Ivy
/*
* Copyright 2008-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.broadleafcommerce.core.catalog.domain;
import java.math.BigDecimal;
import java.util.Comparator;
/**
* Created by bpolster.
*/
public class ProductBundleComparator implements Comparator {
@Override
public int compare(ProductBundle productBundle, ProductBundle productBundle1) {
if (productBundle == null && productBundle1 == null) {
return 0;
}
if (productBundle == null) {
return 1;
}
if (productBundle1 == null) {
return -1;
}
int priorityCompare = comparePriorities(productBundle, productBundle1);
if (priorityCompare == 0) {
return compareSavings(productBundle, productBundle1);
} else {
return priorityCompare;
}
}
private int comparePriorities(ProductBundle productBundle, ProductBundle productBundle1) {
Integer priority1 = productBundle.getPriority();
Integer priority2 = productBundle.getPriority();
if (priority1 == null && priority2 == null) {
return 0;
}
if (priority1 == null) {
return priority2.compareTo(0) * -1;
}
if (priority2 == null) {
return priority1.compareTo(0);
}
return priority1.compareTo(priority2);
}
private int compareSavings(ProductBundle productBundle, ProductBundle productBundle1) {
BigDecimal savings1 = productBundle.getPotentialSavings();
BigDecimal savings2 = productBundle1.getPotentialSavings();
if (savings1 == null && savings2 == null) {
return 0;
}
if (savings1 == null) {
return savings2.compareTo(BigDecimal.ZERO) * -1;
}
if (savings2 == null) {
return savings1.compareTo(BigDecimal.ZERO);
}
return savings1.compareTo(savings2);
}
}