Host文件转换为Charles可识别的DnsSpoofing Xml配置文件

charles本身带有DNS Spoofing Settings的功能，在Tools菜单里，使用这个，就不需要在搭配其他Host修改工具使用了，我们项目中，开发时需要频繁改host，这个功能对我来说十分有用。

但是charles自带的这个功能，只能导入charles本身导出的xml配置，不能直接导入host文件，很不方便，我看了下这个xml的格式，自己写了个工具来转化格式，可以把host转化为charles支持的xml格式来导入。代码下面贴出来，并附上下载链接。

执行下面的命令运行即可，后面的hosts/参数，表示需要转化的host目录或文件名

java -jar convertFromHostToCharlesDnsSpoofingXml.jar hosts/

代码如下，非常简单，一看就懂。

package com.example.java;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.StringWriter;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;

public class MyClass {

    public static void main(String... args) throws IOException {

        if (args == null || args.length == 0) {
            System.out.print("error! no argument! Please enter a file or directory path");
            return;
        }
        File inputFile = new File(args[0]);
        if (!inputFile.exists()) {
            System.out.print(args[0] + "is not a file path");
            return;
        }
        boolean mkdir = new File("charlesHosts").mkdir();
        if (inputFile.isDirectory()) {
            File[] files = inputFile.listFiles();
            if (files == null) {
                System.out.print("empty directory!");
                return;
            }
            for (File file : files) {
                convert(file);
            }
        } else {
            convert(inputFile);
        }
    }

    private static void convert(File file) throws IOException {
        dnsSpoofing dnsSpoofing = new dnsSpoofing();
        BufferedReader reader = new BufferedReader(new FileReader(file));
        String line;
        while ((line = reader.readLine()) != null) {
            line = line.trim();
            line = line.replaceAll("[\uFEFF-\uFFFF]", "");
            if (line.startsWith("#")) continue;
            if (line.isEmpty()) continue;
            String[] split = line.split("\\s+");
            dnsSpoof dnsSpoof = new dnsSpoof();
            dnsSpoof.address = split[0];
            if (split.length < 2) {
                System.out.print(file);
            }
            dnsSpoof.name = split[1];
            dnsSpoofing.spoofs.dnsSpoof.add(dnsSpoof);
        }

        String s = convertToXml(dnsSpoofing, dnsSpoofing.class);
        FileWriter writer = new FileWriter("charlesHosts/" + file.getName());
        writer.write(s);
        writer.close();
    }

    public static String convertToXml(Object source, Class type) {
        String result;
        StringWriter sw = new StringWriter();
        sw.append("<?xml version='1.0' encoding='UTF-8'?>" + "\n");
        sw.append("<?charles serialisation-version='2.0' ?>" + "\n");
        try {
            JAXBContext context = JAXBContext.newInstance(type);
            Marshaller marshaller = context.createMarshaller();
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
            marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);
            marshaller.marshal(source, sw);
            result = sw.toString();
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }

        return result;
    }
}

Host文件转换为Charles可识别的DnsSpoofing Xml配置文件

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