com.yanglb.utilitys.codegen.core.reader.impl.HashMapReaderImpl.java Source code

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Here is the source code for com.yanglb.utilitys.codegen.core.reader.impl.HashMapReaderImpl.java

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/**
 * Copyright 2015 yanglb.com
 * 
 * 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 com.yanglb.utilitys.codegen.core.reader.impl;

import java.util.HashMap;
import java.util.List;

import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;

import com.yanglb.utilitys.codegen.core.reader.BaseReader;
import com.yanglb.utilitys.codegen.utility.StringUtility;

/**
 * HashMapReaderImpl ??????
 * @author yanglibing
 *
 */
public class HashMapReaderImpl extends BaseReader<HashMap<String, String>> {

    /**
     * ?Sheet
     */
    @Override
    protected HashMap<String, String> onReader(XSSFSheet sheet) {
        HashMap<String, String> result = new HashMap<String, String>();

        for (int row = this.startRowNo; row < sheet.getLastRowNum(); row++) {
            XSSFRow xssfRow = sheet.getRow(row);
            String key = this.getCellStringValue(xssfRow.getCell(this.startColNo));
            // key?Map
            if (xssfRow.getCell(this.startColNo).getCellType() == XSSFCell.CELL_TYPE_BLANK
                    || StringUtility.isNullOrEmpty(key)) {
                continue;
            }
            String value = this.getCellStringValue(xssfRow.getCell(this.startColNo + 1));
            result.put(key, value);
        }
        return result;
    }

    /**
     * ?
     * @param listMap
     * @return
     */
    public HashMap<String, String> mergeResult(List<HashMap<String, String>> listMap) {
        HashMap<String, String> result = new HashMap<String, String>();
        for (HashMap<String, String> itm : listMap) {
            result.putAll(itm);
        }
        return result;
    }
}