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90 строки
2.9 KiB
90 строки
2.9 KiB
/*******************************************************************************
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* Copyright 2017 Bstek
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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******************************************************************************/
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package com.bstek.ureport.expression.function;
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import java.math.BigDecimal;
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import java.util.List;
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import org.apache.commons.lang3.StringUtils;
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import com.bstek.ureport.Utils;
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import com.bstek.ureport.build.BindData;
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import com.bstek.ureport.build.Context;
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import com.bstek.ureport.expression.model.data.BindDataListExpressionData;
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import com.bstek.ureport.expression.model.data.ExpressionData;
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import com.bstek.ureport.expression.model.data.ObjectExpressionData;
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import com.bstek.ureport.expression.model.data.ObjectListExpressionData;
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import com.bstek.ureport.model.Cell;
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/**
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* @author Jacky.gao
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* @since 2016年12月27日
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*/
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public class SumFunction implements Function {
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@Override
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public Object execute(List<ExpressionData<?>> dataList, Context context,Cell currentCell) {
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if(dataList==null || dataList.size()==0){
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return null;
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}
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Object singleData=null;
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BigDecimal total=new BigDecimal(0);
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for(ExpressionData<?> exprData:dataList){
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if(exprData instanceof ObjectListExpressionData){
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ObjectListExpressionData listExpr=(ObjectListExpressionData)exprData;
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List<?> list=listExpr.getData();
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for(Object obj:list){
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if(obj==null || StringUtils.isBlank(obj.toString())){
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continue;
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}
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singleData=obj;
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BigDecimal bigData=Utils.toBigDecimal(obj);
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total=total.add(bigData);
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}
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}else if(exprData instanceof ObjectExpressionData){
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Object obj=exprData.getData();
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singleData=obj;
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if(obj!=null && StringUtils.isNotBlank(obj.toString())){
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BigDecimal bigData=Utils.toBigDecimal(obj);
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total=total.add(bigData);
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}
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}else if(exprData instanceof BindDataListExpressionData){
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BindDataListExpressionData data=(BindDataListExpressionData)exprData;
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List<BindData> bindDataList=data.getData();
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for(BindData bindData:bindDataList){
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Object obj=bindData.getValue();
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if(obj==null || StringUtils.isBlank(obj.toString())){
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continue;
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}
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singleData=obj;
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BigDecimal bigData=Utils.toBigDecimal(obj);
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total=total.add(bigData);
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}
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}
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}
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if(dataList.size()==1){
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if(singleData==null || singleData.equals("")){
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return "";
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}
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}
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return total;
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}
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@Override
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public String name() {
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return "sum";
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}
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}
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