Java Web开发时快速生成模版代码

package test;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

public class GenerateCode {

    private static final String PATCH_PATH = ${PATCH_PATH};

    private static final String PATCH_BASE_PATH = {PATCH_BASE_PATH};



    public static void main(String[] args) {
        // NOTICE: 定义新的内容
        List<String[]> allKeys = new ArrayList<>();
        allKeys.add(new String[]{"表前缀", "表名", "文字描述"});

        try {
            GenerateCode generateCode = new GenerateCode();
            generateCode.setAllKeys(allKeys);
            generateCode.generatePatch();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }


    private BufferedReader reader;

    private List<String[]> allKeys;

    public GenerateCode() throws FileNotFoundException {
        this.reader = getBufferedReader();
    }

    public void generatePatch() throws IOException {
        File file = new File(PATCH_BASE_PATH);
        file.mkdirs();

        for (String[] keys: allKeys){
            reader = getBufferedReader();
            replacePatch(keys);
        }
    }

    private void replacePatch(String[] keys) throws IOException {
        StringBuilder newStrs = new StringBuilder();

        String lineStr = null;
        while ((lineStr = reader.readLine()) != null) {

            newStrs.append(replaceStr(lineStr, keys)).append("\n");
        }

        writePatch(newStrs.toString(), keys[1]);
    }

    private void writePatch(String string, String fileName) throws FileNotFoundException {
        FileOutputStream outputStream = new FileOutputStream(new File(PATCH_BASE_PATH + File.separator + fileName + ".patch"));

        PrintStream ps = new PrintStream(outputStream);
        ps.append(string);

        ps.close();
    }

    private BufferedReader getBufferedReader() throws FileNotFoundException {

        FileReader fileReader = new FileReader(new File(PATCH_PATH));

        return new BufferedReader(fileReader);
    }

    private String replaceStr(String originStr, String[] keys) {
        // NOTICE: 在此处定义要替换的内容，视具体情况而定
        return originStr.replace("表前缀", keys[0])
                        .replace("表名", keys[1])
                        .replace("创建的Java Bean的变量名", keys[1].toLowerCase())
                        .replace("文字描述", keys[2]);
    }

    public List<String[]> getAllKeys() {
        return allKeys;
    }

    public void setAllKeys(List<String[]> allKeys) {
        this.allKeys = allKeys;
    }
}