org.suren.autotest.web.framework.data.ExcelDataSource.java Source code

Java tutorial

Introduction

Here is the source code for org.suren.autotest.web.framework.data.ExcelDataSource.java

Source

/*
 * Copyright 2002-2007 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.suren.autotest.web.framework.data;

import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.eclipse.jetty.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.suren.autotest.web.framework.page.Page;
import org.suren.autotest.web.framework.util.StringUtils;

/**
 * Excel???
 * @author suren
 * @date Jul 17, 2016 8:56:31 AM
 */
@Component("excel_data_source")
@Scope(value = ConfigurableBeanFactory.SCOPE_PROTOTYPE)
public class ExcelDataSource implements DataSource, DynamicDataSource {
    private static final Logger LOGGER = LoggerFactory.getLogger(ExcelDataSource.class);

    /** ?page */
    private Page targetPage;
    private int maxRows = 100;

    private Set<DataResource> dataResourceSet = new HashSet<DataResource>();

    @Override
    public boolean loadData(DataResource resource, Page page) {
        return loadData(resource, 0, page);
    }

    /**
     * ?excel??
     * @param inputStream
     * @throws IOException 
     */
    private void parse(InputStream inputStream) throws IOException {
        String name = targetPage.getClass().getName();
        Workbook workbook = new XSSFWorkbook(inputStream);

        Sheet sheet = workbook.getSheet(name);
        if (sheet == null) {
            int index = name.lastIndexOf(".");
            if (index > 0) {
                name = name.substring(index + 1);
                sheet = workbook.getSheet(name);
            }
        }

        sheetParse(sheet);
    }

    /**
     * ?sheet
     * @param sheet
     */
    private void sheetParse(Sheet sheet) {
        if (sheet == null) {
            return;
        }

        for (int i = 1; i < maxRows; i++) {
            Row row = sheet.getRow(i);
            if (row == null) {
                break;
            }

            cellParse(row);
        }
    }

    /**
     * ??
     * @param row
     */
    private void cellParse(Row row) {
        Class<?> targetCls = targetPage.getClass();

        Cell nameCell = row.getCell(0);
        Cell dataCell = row.getCell(1);

        if (nameCell == null || dataCell == null) {
            return;
        }

        try {
            String fieldName = getStrFromCell(nameCell);
            if (StringUtils.isBlank(fieldName)) {
                return;
            }

            Field field = targetCls.getDeclaredField(fieldName);
            field.setAccessible(true);

            setValue(field, targetPage, getStrFromCell(dataCell));
        } catch (NoSuchFieldException | SecurityException e) {
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
    }

    /**
     * ??
     * @param dataCell
     * @return ???null
     */
    private String getStrFromCell(Cell dataCell) {
        int cellType = dataCell.getCellType();
        switch (cellType) {
        case Cell.CELL_TYPE_STRING:
            return dataCell.getStringCellValue();
        case Cell.CELL_TYPE_BOOLEAN:
            return String.valueOf(dataCell.getBooleanCellValue());
        case Cell.CELL_TYPE_NUMERIC:
            return String.valueOf(dataCell.getNumericCellValue());
        default:
            return null;
        }
    }

    /**
     * @param field
     * @param targetPage
     * @param data
     * @throws IllegalAccessException 
     * @throws IllegalArgumentException 
     * @throws SecurityException 
     * @throws NoSuchMethodException 
     * @throws InvocationTargetException 
     */
    private void setValue(Field field, Page targetPage, Object data) throws IllegalArgumentException,
            IllegalAccessException, NoSuchMethodException, SecurityException, InvocationTargetException {
        field.setAccessible(true);
        Object fieldObj = field.get(targetPage);
        if (fieldObj == null) {
            return;
        }

        Method method = fieldObj.getClass().getMethod("setValue", String.class);

        method.invoke(fieldObj, data.toString());
    }

    @Override
    public boolean loadData(DataResource resource, int row, Page page) {
        this.targetPage = page;

        if (!dataResourceSet.contains(resource)) {
            URL url = null;

            try {
                url = resource.getUrl();
            } catch (IOException e) {
                LOGGER.error(e.getMessage(), e);
            }

            if (url == null) {
                return false;
            }

            try (InputStream inputStream = url.openStream()) //?
            {
                parse(inputStream); //?excel??
            } catch (IOException e) {
                LOGGER.error(e.getMessage(), e);
            }
        }

        return true;
    }

    @Override
    public void setGlobalMap(Map<String, Object> globalMap) {
        // TODO Auto-generated method stub

    }

    @Override
    public Map<String, Object> getGlobalMap() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public String getName() {
        // TODO Auto-generated method stub
        return null;
    }

}