package com.vincent.rsf.server.common.handler;
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import cn.afterturn.easypoi.handler.impl.ExcelDataHandlerDefaultImpl;
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import cn.afterturn.easypoi.handler.inter.IExcelDataHandler;
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import com.google.common.collect.Lists;
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import java.util.List;
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/**
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* @Description: 用户导入聚合数据处理器
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* @Author: Ryan
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* @CreateDate: 2019/11/1 9:42
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* @Version: 1.0
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*/
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public class AggregationDataHandler extends ExcelDataHandlerDefaultImpl {
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private List<IExcelDataHandler> handlers = Lists.newArrayList();
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public AggregationDataHandler(List<IExcelDataHandler> handlers) {
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this.handlers = handlers;
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}
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public AggregationDataHandler(IExcelDataHandler... handlers) {
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this(handlers == null ? Lists.newArrayList() : Lists.newArrayList(handlers));
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}
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@Override
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public String[] getNeedHandlerFields() {
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List<String> fields = Lists.newArrayList();
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for (IExcelDataHandler handler : handlers) {
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String[] needHandlerFields = handler.getNeedHandlerFields();
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if (needHandlerFields == null) {
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continue;
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}
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for (String needHandlerField : needHandlerFields) {
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fields.add(needHandlerField);
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}
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}
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return fields.toArray(new String[fields.size()]);
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}
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@Override
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public Object importHandler(Object obj, String name, Object value) {
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for (IExcelDataHandler handler : handlers) {
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String[] needHandlerFields = handler.getNeedHandlerFields();
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List<String> fieldList = Lists.newArrayList(needHandlerFields);
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if (fieldList.contains(name)) {
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handler.importHandler(obj, name, value);
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break;
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}
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}
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return super.importHandler(obj, name, value);
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}
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@Override
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public Object exportHandler(Object obj, String name, Object value) {
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for (IExcelDataHandler handler : handlers) {
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String[] needHandlerFields = handler.getNeedHandlerFields();
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List<String> fieldList = Lists.newArrayList(needHandlerFields);
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if (fieldList.contains(name)) {
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handler.exportHandler(obj, name, value);
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break;
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}
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}
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return super.exportHandler(obj, name, value);
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}
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}
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