net.shopxx.service.impl.SpecificationItemServiceImpl.java Source code

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Here is the source code for net.shopxx.service.impl.SpecificationItemServiceImpl.java

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/*
 * Copyright 2005-2015 shopxx.net. All rights reserved.
 * Support: http://3936242.01p.com/
 * License: http://3936242.01p.com/license
 */
package net.shopxx.service.impl;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import net.shopxx.entity.SpecificationItem;
import net.shopxx.service.SpecificationItemService;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;

@Service("specificationItemServiceImpl")
public class SpecificationItemServiceImpl implements SpecificationItemService {

    public void filter(List<SpecificationItem> specificationItems) {
        CollectionUtils.filter(specificationItems, new Predicate() {
            public boolean evaluate(Object object) {
                SpecificationItem specificationItem = (SpecificationItem) object;
                if (specificationItem == null || StringUtils.isEmpty(specificationItem.getName())) {
                    return false;
                }
                CollectionUtils.filter(specificationItem.getEntries(), new Predicate() {
                    private Set<Integer> idSet = new HashSet<Integer>();
                    private Set<String> valueSet = new HashSet<String>();

                    public boolean evaluate(Object object) {
                        SpecificationItem.Entry entry = (SpecificationItem.Entry) object;
                        return entry != null && entry.getId() != null && StringUtils.isNotEmpty(entry.getValue())
                                && entry.getIsSelected() != null && idSet.add(entry.getId())
                                && valueSet.add(entry.getValue());
                    }
                });
                return CollectionUtils.isNotEmpty(specificationItem.getEntries()) && specificationItem.isSelected();
            }
        });
    }

}