import java.io.ByteArrayInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.util.ArrayList;

import java.util.List;

import java.util.zip.ZipEntry;

import java.util.zip.ZipFile;

import org.jdom.Document;

import org.jdom.Element;

import org.jdom.Namespace;

import org.jdom.input.SAXBuilder;

import cn.zsmy.constant.Constant;

public class ApkUtil {

    private static final Namespace NS = Namespace.getNamespace("http://schemas.android.com/apk/res/android");

    @SuppressWarnings({"unchecked", "rawtypes"})

    public static ApkInfo getApkInfo(String apkPath){

        ApkInfo apkInfo = new ApkInfo();

        SAXBuilder builder = new SAXBuilder();

        Document document = null;

        try{

            document = builder.build(getXmlInputStream(apkPath));

        }catch (Exception e) {

            e.printStackTrace();

        }

        Element root = document.getRootElement();//跟节点-->manifest

        apkInfo.setVersionCode(root.getAttributeValue("versionCode",NS));

        apkInfo.setVersionName(root.getAttributeValue("versionName", NS));

        apkInfo.setApkPackage(root.getAttributeValue("package"));

        Element elemUseSdk = root.getChild("uses-sdk");//子节点-->uses-sdk

        apkInfo.setMinSdkVersion(elemUseSdk.getAttributeValue("minSdkVersion", NS));

        List listPermission = root.getChildren("uses-permission");//子节点是个集合

        List permissions = new ArrayList();

        for(Object object : listPermission){

            String permission = ((Element)object).getAttributeValue("name", NS);

            permissions.add(permission);

        }

        apkInfo.setUses_permission(permissions);

        Constant.MY_LOG.debug("\n版本号:"+apkInfo.getVersionCode()+"\n版本名:"+apkInfo.getVersionName()+"\n包名:"+apkInfo.getApkPackage());

        //String str = "\n版本号:"+versionCode+"\n版本名:"+versionName+"\n包名:"+packageName;

        Constant.MY_LOG.debug(root.getAttributes().toString());

        return apkInfo;

//        String s = root.getAttributes().toString();

//        String c[] = s.split(",");

//        String versionCode = null;

//        String versionName = null;

//        String packageName = null;

//        for(String a: c){

//            if(a.contains("versionCode")){

//                versionCode = a.substring(a.indexOf("versionCode=\"")+13, a.lastIndexOf("\""));

//            }

//            if(a.contains("versionName")){

//                versionName = a.substring(a.indexOf("versionName=\"")+13, a.lastIndexOf("\""));

//            }

//            if(a.contains("package")){

//                packageName = a.substring(a.indexOf("package=\"")+9, a.lastIndexOf("\""));

//            }

//        }

//

//        Constant.MY_LOG.debug("\n版本号:"+versionCode+"\n版本名:"+versionName+"\n包名:"+packageName);

//        String str = "\n版本号:"+versionCode+"\n版本名:"+versionName+"\n包名:"+packageName;

////        return root.getAttributes().toString();

//        return str;

//        return "ss";

    }

    private static InputStream getXmlInputStream(String apkPath) {

        InputStream inputStream = null;

        InputStream xmlInputStream = null;

        ZipFile zipFile = null;

        try {

            zipFile = new ZipFile(apkPath);

            ZipEntry zipEntry = new ZipEntry("AndroidManifest.xml");

            inputStream = zipFile.getInputStream(zipEntry);

            AXMLPrinter xmlPrinter = new AXMLPrinter();

            xmlPrinter.startPrinf(inputStream);

            xmlInputStream = new ByteArrayInputStream(xmlPrinter.getBuf().toString().getBytes("UTF-8"));

        } catch (IOException e) {

            e.printStackTrace();

            try {

                inputStream.close();

                zipFile.close();

            } catch (IOException e1) {

                e1.printStackTrace();

            }

        }

        return xmlInputStream;

    }

}

@ResponseBody

    @RequestMapping(value = "/getApkVersion", method = RequestMethod.POST)

    public String getApkVersion(VersionForm form, MultipartFile apkFile) throws Exception {

        Constant.MY_LOG.debug("获取上传的apk版本");

        File apkTempFile = new File(DictInit.dictMap.get(Constant.Dict.APK_UPLOAD_PATH) + "temp.apk");

        // File apkTempFile = new File("d:\\temp.apk");//测试用

        apkFile.transferTo(apkTempFile);

        // 获得apk信息

        ApkInfo apkInfo = new ApkInfo();

        apkInfo = ApkUtil.getApkInfo(apkTempFile.getPath());

        return apkInfo.getVersionName();

    }