package com;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.regex.Pattern;


/**
 * @author Administrator
 * oracle sql語句轉mysql sql語句
 */
public class OracleToMysqlInsert {
	public void doChange(String filePath) {
		try {
			File file = new File(filePath);
			FileReader rd = new FileReader(file);
//			BufferedReader br = new BufferedReader(rd);
			InputStreamReader isr = new InputStreamReader(new FileInputStream(file), "utf-8");
			BufferedReader br = new BufferedReader(isr);

			File outFile = new File(
					filePath.substring(0,
							filePath.lastIndexOf(File.separator) + 1)
							+ "I"
							+ filePath.substring(filePath
									.lastIndexOf(File.separator) + 1));
//			FileWriter b = new FileWriter(outFile, false);
			
			FileOutputStream writerStream = new FileOutputStream(outFile, false);
			BufferedWriter b = new BufferedWriter(new OutputStreamWriter(writerStream, "UTF-8"));
			
			String rowStr;
			int i = 0;
			while (!(rowStr = br.readLine()).equals("##")) {
				while (rowStr.indexOf("to_date('") > 0) {
					String rowTemp = rowStr.substring(rowStr
							.indexOf("to_date('"));
					String aimStr = rowTemp.substring(
							rowTemp.indexOf("('") + 1, rowTemp.indexOf(","));
					String dateTemp = null;
					if (aimStr.indexOf(" ") > 0) {
						dateTemp = aimStr.substring(aimStr.indexOf("'") + 1,
								aimStr.indexOf(" "));
					} else {
						dateTemp = aimStr.substring(aimStr.indexOf("'") + 1,
								aimStr.lastIndexOf("'"));
					}
					String[] strTemp = dateTemp.split("-");
					String dateStr = strTemp[2] + "-" + strTemp[1] + "-"
							+ strTemp[0];
					aimStr = aimStr.replaceFirst(dateTemp, dateStr);
					String resStr = rowTemp.substring(0,
							rowTemp.indexOf(")") + 1);
					rowStr = rowStr.replace(resStr.subSequence(0, resStr
							.length()), aimStr.subSequence(0, aimStr.length()));

				}
				b.write(rowStr);
				System.out.println(rowStr);
				b.write("\r\n");
			}
			b.flush();
			// rename to the original File

			file.delete();
			b.close();
			rd.close();
		} catch (FileNotFoundException e) {
//			System.out.println("�ļ�δ�ҵ���");
			e.printStackTrace();
		} catch (IOException e) {
//			System.out.println("IO�쳣���޷�д�ļ���");
			e.printStackTrace();
		}
	}

	public static void main(String arg[]) {
		OracleToMysqlInsert changtext = new OracleToMysqlInsert();
		changtext.doChange("C:\\Users\\Administrator\\Desktop\\sys_i18n_message.sql");
		System.out.println("OK");
//		changtext.doChange("D:\\import\\" + "supplier.sql");
//		changtext.doChange("D:\\import\\" + "supplierDetail.sql");
//		changtext.doChange("D:\\importData\\" + "codetype.sql");
//		changtext.doChange("D:\\importData\\" + "codedict.sql");
//		changtext.doChange("D:\\importData\\" + "port.sql");
//		changtext.doChange("D:\\importData\\" + "country.sql");
//		changtext.doChange("C:\\" + "PODETAIL.sql");
	}

}