写一个自定义控件attrs自动生成代码工具

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <!--自定义进度条-->
    <declare-styleable name="TolyProgressBar">
        <!--进度条相关-->
        <attr name="z_pb_bg_color" format="color"/>
        <attr name="z_pb_on_color" format="color"/>

        <attr name="z_pb_on_height" format="dimension"/>
        <attr name="z_pb_bg_height" format="dimension"/>

        <!--文本相关-->
        <attr name="z_pb_txt_color" format="color"/>
        <attr name="z_pb_txt_size" format="dimension"/>
        <attr name="z_pb_txt_offset" format="dimension"/>
    </declare-styleable>
</resources>

private int mPbBgColor= ;
private int mPbOnColor= ;
private int mPbOnHeight= ;
private int mPbBgHeight= ;
private int mPbTxtColor= ;
private int mPbTxtSize= ;
private int mPbTxtOffset= ;

TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.TolyProgressBar);
mPbOnHeight = (int) a.getDimension(R.styleable.TolyProgressBar_z_pb_on_height, mPbOnHeight);
mPbTxtOffset = (int) a.getDimension(R.styleable.TolyProgressBar_z_pb_txt_offset, mPbTxtOffset);
mPbOnColor =  a.getColor(R.styleable.TolyProgressBar_z_pb_on_color, mPbOnColor);
mPbTxtSize = (int) a.getDimension(R.styleable.TolyProgressBar_z_pb_txt_size, mPbTxtSize);
mPbTxtColor =  a.getColor(R.styleable.TolyProgressBar_z_pb_txt_color, mPbTxtColor);
mPbBgHeight = (int) a.getDimension(R.styleable.TolyProgressBar_z_pb_bg_height, mPbBgHeight);
mPbBgColor =  a.getColor(R.styleable.TolyProgressBar_z_pb_bg_color, mPbBgColor);
a.recycle();

/**
 * 作者：张风捷特烈
 * 时间：2018/10/31 0031:8:47
 * 邮箱：1981462002@qq.com
 * 说明：
 * <p>
 * <?xml version="1.0" encoding="utf-8"?>
 * <resources>
 * <!--自定义进度条-->
 * <declare-styleable name="TolyProgressBar">
 * <!--进度条相关-->
 * <attr name="z_pb_bg_color" format="color"/>
 * <attr name="z_pb_on_color" format="color"/>
 *
 * <attr name="z_pb_on_height" format="dimension"/>
 * <attr name="z_pb_bg_height" format="dimension"/>
 * <p>
 * <!--文本相关-->
 * <attr name="z_pb_txt_color" format="color"/>
 * <attr name="z_pb_txt_size" format="dimension"/>
 * <attr name="z_pb_txt_offset" format="dimension"/>
 * </declare-styleable>
 * </resources>
 */


public class AttrsFormat {
    @Test
    public void main() {
        File file = new File("C:\\Users\\Administrator\\Desktop\\attrs.xml");
        initAttr("z_", file);
    }

    public static void initAttr(String preFix, File file) {
        HashMap<String, String> format = format(preFix, file);
        String className = format.get("className");
        String result = format.get("result");

        StringBuilder sb = new StringBuilder();
        sb.append("TypedArray a = context.obtainStyledAttributes(attrs, R.styleable." + className + ");\r\n");

        format.forEach((s, s2) -> {
            String styleableName = className + "_" + preFix + s;
            if (s.contains("_")) {
                String[] partStrArray = s.split("_");
                s = "";
                for (String part : partStrArray) {
                    String partStr = upAChar(part);
                    s += partStr;
                }
            }
            if (s2.equals("dimension")) {
                // mPbBgHeight = (int) a.getDimension(R.styleable.TolyProgressBar_z_pb_bg_height, mPbBgHeight);
                sb.append("m" + s + " = (int) a.getDimension(R.styleable." + styleableName + ", m" + s + ");\r\n");
            }
            if (s2.equals("color")) {
                // mPbTxtColor = a.getColor(R.styleable.TolyProgressBar_z_pb_txt_color, mPbTxtColor);
                sb.append("m" + s + " =  a.getColor(R.styleable." + styleableName + ", m" + s + ");\r\n");
            }
            if (s2.equals("boolean")) {
                // mPbTxtColor = a.getColor(R.styleable.TolyProgressBar_z_pb_txt_color, mPbTxtColor);
                sb.append("m" + s + " =  a.getBoolean(R.styleable." + styleableName + ", m" + s + ");\r\n");
            }

            if (s2.equals("string")) {
                // mPbTxtColor = a.getColor(R.styleable.TolyProgressBar_z_pb_txt_color, mPbTxtColor);
                sb.append("m" + s + " =  a.getString(R.styleable." + styleableName + ");\r\n");
            }
        });

        sb.append("a.recycle();\r\n");
        System.out.println(sb.toString());
        System.out.println(result);
    }

    /**
     * 读取文件+解析
     *
     * @param preFix 前缀
     * @param file   文件路径
     */
    public static HashMap<String, String> format(String preFix, File file) {

        HashMap<String, String> container = new HashMap<>();

        if (!file.exists() && file.isDirectory()) {
            return null;
        }

        FileReader fr = null;
        try {
            fr = new FileReader(file);
            //字符数组循环读取
            char[] buf = new char[1024];
            int len = 0;
            StringBuilder sb = new StringBuilder();
            while ((len = fr.read(buf)) != -1) {
                sb.append(new String(buf, 0, len));
            }


            String className = sb.toString().split("<declare-styleable name=\"")[1];
            className = className.substring(0, className.indexOf("\">"));
            container.put("className", className);


            String[] split = sb.toString().split("<");
            String part1 = "private";
            String type = "";//类型
            String name = "";

            String result = "";

            StringBuilder sb2 = new StringBuilder();
            for (String s : split) {

                if (s.contains(preFix)) {
                    result = s.split(preFix)[1];


                    name = result.substring(0, result.indexOf("\""));


                    type = result.split("format=\"")[1];
                    type = type.substring(0, type.indexOf("\""));

                    container.put(name, type);

                    if (type.contains("color") || type.contains("dimension") || type.contains("integer")) {
                        type = "int";
                    }

                    if (result.contains("fraction")) {
                        type = "float";
                    }
                    if (result.contains("string")) {
                        type = "String";
                    }
                    if (result.contains("boolean")) {
                        type = "boolean";
                    }


                    if (name.contains("_")) {
                        String[] partStrArray = name.split("_");
                        name = "";
                        for (String part : partStrArray) {
                            String partStr = upAChar(part);
                            name += partStr;
                        }
                        sb2.append(part1 + " " + type + " m" + name + "= ;\r\n");
                    }
                    container.put("result", sb2.toString());
                }
            }


        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (fr != null) {
                    fr.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return container;
    }

    /**
     * 将字符串仅首字母大写
     *
     * @param str 待处理字符串
     * @return 将字符串仅首字母大写
     */
    public static String upAChar(String str) {
        String a = str.substring(0, 1);
        String tail = str.substring(1);
        return a.toUpperCase() + tail;
    }

}