求教 oracle调用java接口 非常慢

[afeng999]

用oracle的存储过程调用java接口执行 为何这么慢??
我是用sqldeveloper 执行以下2条sql 生成接口 再在存储过程里面调用
单个文件 100M左右 半小时才20-30M
如果我用这段java直接执行 才200秒
为什么会这么慢的呢?

create or replace and compile java source named replacefile as
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class ReplaceFile {

	public static void replacing(String fileOld, String fileNew,
			String fileReplace) {
		String[] uncomFont = { "倈", "億", "剕", "厊", "唡", "噟", "坾", "墊", "妡",
				"媩", "寍", "峾", "巪", "弢", "恷", "憒", "抾", "搢", "攟", "晐", "東",
				"梶", "榺", "檤", "殀", "渱", "潀", "瀨", "焲", "爘", "獆", "珅", "瑋",
				"瓅", "畖", "瘄", "皘", "眧", "瞸", "硘", "磡", "祙", "秥", "穦", "竱",
				"箌", "簗", "粅", "紎", "絴", "緗", "縷", "纜", "羭", "聕", "脇", "膢",
				"舼", "苵", "莬", "葇", "蓔", "蕓", "藎", "蘾", "蛗", "蝲", "蟶", "衸",
				"褆", "襹", "觸", "詜", "諀", "謡", "讄", "貄", "質", "趞", "踻", "軀",
				"輡", "迀", "遼", "鄚", "醸", "鈢", "銃", "鋦", "鍇", "鎩", "鐋", "鑭",
				"閨", "陓", "雦", "靯", "韡", "顋", "飢", "饇", "駖", "騶", "髚", "魘",
				"鮸", "鰘", "鱸", "鴟", "鵿", "鷟", "鹼", "鼃", "齶" };// 生僻字
		BufferedReader fileReader = null;
		BufferedWriter fileWriter = null;
		File dirFile = new File(fileNew);
		if (!dirFile.exists()) {
			try {
				dirFile.createNewFile();
			} catch (IOException e) {
				try {
					dirFile.getParentFile().mkdirs();
					dirFile.createNewFile();
				} catch (IOException e1) {
					e1.printStackTrace();
				}
			}
		}
		try {
			fileReader = new BufferedReader(new FileReader(fileOld));
			fileWriter = new BufferedWriter(new FileWriter(fileNew));
			String ftemp;
			while ((ftemp = fileReader.readLine()) != null) {
				for (int k = 0; k < uncomFont.length; k++) {
					ftemp = ftemp.replaceAll(uncomFont[k], fileReplace);
				}
				fileWriter.write(ftemp + "\n");
			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e1) {
			e1.printStackTrace();
		} finally {
			try {
				if (fileReader != null) {
					fileReader.close();
				}
				fileWriter.flush();
				if (fileWriter != null) {
					fileWriter.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}

		}

	}
}

CREATE OR REPLACE PROCEDURE "SP_REPLACEFILE" (fileOld in varchar2,fileNew in varchar2,fileReplace in varchar2) as language java name 'ReplaceFile.replacing(java.lang.String,java.lang.String,java.lang.String)';

[fw0124]

你加些输出看看具体是那个操作慢