package com.anyun.exam.lib;
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import android.content.Context;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.Signature;
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import android.util.Log;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.List;
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import java.util.Locale;
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public class InstallUtil {
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public static final String TAG = InstallUtil.class.getCanonicalName();
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private static InstallUtil instance = null;
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private Context context;
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public static InstallUtil getInstance(Context context) {
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if (instance == null) {
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synchronized (InstallUtil.class) {
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if (instance == null) {
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instance = new InstallUtil(context);
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}
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}
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}
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return instance;
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}
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private InstallUtil(Context context) {
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this.context = context;
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}
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public int getVerCode() {
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int verCode = 0;
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try {
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verCode = context.getPackageManager().
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getPackageInfo(context.getPackageName(), 0).versionCode;
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} catch (PackageManager.NameNotFoundException e) {
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e.printStackTrace();
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}
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Log.d(TAG, "APP 版本 = " + verCode);
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return verCode;
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}
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public String getVerName() {
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String verName = "";
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try {
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verName = context.getPackageManager().
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getPackageInfo(context.getPackageName(), 0).versionName;
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} catch (PackageManager.NameNotFoundException e) {
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e.printStackTrace();
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}
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return verName;
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}
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public String getPackageName() {
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String name = "";
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try {
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name = context.getPackageManager().
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getPackageInfo(context.getPackageName(), 0).packageName;
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} catch (PackageManager.NameNotFoundException e) {
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e.printStackTrace();
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}
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return name;
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}
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public class AppInfo {
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public String appName="";
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public String packageName="";
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public String versionName="";
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public int versionCode=0;
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}
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public AppInfo getAppInfo(String packageName) {
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List<PackageInfo> packages = context.getPackageManager().getInstalledPackages(0);
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for (PackageInfo packageInfo : packages) {
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if (packageName.equals(packageInfo.packageName)) {
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AppInfo appInfo = new AppInfo();
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appInfo.appName= packageInfo.applicationInfo.loadLabel(context.getPackageManager()).toString();
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appInfo.packageName = packageInfo.packageName;
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appInfo.versionName = packageInfo.versionName;
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appInfo.versionCode = packageInfo.versionCode;
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return appInfo;
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}
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}
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return null;
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}
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public Signature[] getSignature() {
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Signature[] signs = null;
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try {
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PackageInfo info = context.getPackageManager().getPackageInfo(context.getPackageName(), PackageManager.GET_SIGNATURES);
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signs = info.signatures;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return signs;
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}
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public Signature[] getSignature(String archiveFilePath) {
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Signature[] signs = null;
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try {
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PackageInfo info = context.getPackageManager().getPackageArchiveInfo(archiveFilePath, PackageManager.GET_SIGNATURES);
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signs = info.signatures;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return signs;
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}
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public String getVersionNameFromApk(Context context, String archiveFilePath) {
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PackageManager pm = context.getPackageManager();
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PackageInfo packInfo = pm.getPackageArchiveInfo(archiveFilePath, PackageManager.GET_ACTIVITIES);
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return packInfo.versionName;
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}
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public int getVersionCodeFromApk(Context context, String archiveFilePath) {
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PackageManager pm = context.getPackageManager();
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PackageInfo packInfo = pm.getPackageArchiveInfo(archiveFilePath, PackageManager.GET_ACTIVITIES);
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return packInfo.versionCode;
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}
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public String getPackageNameFromApk(Context context, String archiveFilePath) {
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PackageManager pm = context.getPackageManager();
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PackageInfo packInfo = pm.getPackageArchiveInfo(archiveFilePath, PackageManager.GET_ACTIVITIES);
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return packInfo.packageName;
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}
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public void InstallApp(String path) {
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File file = new File(path);
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if (file.exists() && file.isFile()) {
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try {
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Log.d(TAG, "升级app 文件存在 当前ver " + getVerCode() + " 当前Name " + getVerName() + " 目标ver " + getVersionCodeFromApk(context, file.getAbsolutePath()) + " 目标name " + getVersionNameFromApk(context, file.getAbsolutePath()));
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// Signature[] sig = getSignature();
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// Signature[] sig2 = getSignature(file.getAbsolutePath());
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/*if ( getFingerprint(sig[0], "SHA-1").equals(getFingerprint(sig2[0], "SHA-1")))*/ {
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if ( getVerCode() <= getVersionCodeFromApk(context, file.getAbsolutePath()) ) {
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Log.d(TAG, "安装文件 " + file.getAbsolutePath());
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String result = execCommand("pm", "install", "-i", getPackageName(), "--user", "0", "-r", "-d", file.getAbsolutePath());
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Log.d(TAG, "安装结果 " + result);
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} else {
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file.delete();
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}
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} /*else {
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file.delete();
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}*/
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} catch (Exception e) {
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Log.e(TAG, "安装发生错误 " + e.getMessage());
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}
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}
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}
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public String getFingerprint(Signature signature, String hashAlgorithm) {
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if (signature == null) {
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return null;
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}
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try {
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MessageDigest digest = MessageDigest.getInstance(hashAlgorithm);
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return toHexadecimalString(digest.digest(signature.toByteArray()));
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} catch(NoSuchAlgorithmException e) {
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// ignore
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}
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return null;
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}
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private String toHexadecimalString(byte[] value) {
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StringBuffer sb = new StringBuffer();
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int len = value.length;
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for (int i = 0; i < len; i++) {
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int num = ((int) value[i]) & 0xff;
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if (num < 0x10) {
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sb.append('0');
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}
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sb.append(Integer.toHexString(num));
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if (i < len - 1) {
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sb.append(':');
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}
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}
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return sb.toString().toUpperCase(Locale.US);
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}
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public String execCommand(String ...command) {
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java.lang.Process process=null;
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InputStream errIs=null;
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InputStream inIs=null;
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String result="";
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try {
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process = new ProcessBuilder().command(command).start();
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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int read = -1;
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errIs=process.getErrorStream();
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while((read=errIs.read())!=-1){
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baos.write(read);
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}
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inIs=process.getInputStream();
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while((read=inIs.read())!=-1){
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baos.write(read);
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}
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result=new String(baos.toByteArray());
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if(inIs!=null)
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inIs.close();
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if(errIs!=null)
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errIs.close();
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process.destroy();
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} catch (IOException e) {
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result = e.getMessage();
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}
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return result;
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}
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}
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