package com.basic.security;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.HashMap;
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import java.util.Map;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.google.gson.Gson;
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public class GetApk extends HttpServlet {
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// http://192.168.1.116:8080/getApk?apkName=Security_simplify¤tApkVersion=1
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public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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System.out.println("GetApk.doGet()");
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String apkName = request.getParameter("apkName");
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String currentApkVersionStr = request.getParameter("currentApkVersion");
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Gson gson = new Gson();
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Map<String, String> responseMap = new HashMap<String, String>();
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responseMap.put("hasNewVersion", "false");
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try {
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File apkFiles[] = new File(getServletContext().getRealPath("")).listFiles();
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for (File apkFile : apkFiles) {
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String newApkFileName = apkFile.getName();
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if (newApkFileName.endsWith(".apk") && newApkFileName.startsWith(newApkFileName)) {
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try {
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int newVersion = Integer.parseInt(newApkFileName.replace(apkName, "").replace(".apk", ""));
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int currentApkVersion = Integer.parseInt(currentApkVersionStr);
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if (newVersion > currentApkVersion) {
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responseMap.put("hasNewVersion", "true");
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responseMap.put("newApkName", newApkFileName);
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responseMap.put("newApkSize", apkFile.length()+"");
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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response.setContentType("application/json");
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PrintWriter out = response.getWriter();
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out.println(gson.toJson(responseMap));
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out.flush();
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out.close();
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}
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public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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response.setContentType("text/html");
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PrintWriter out = response.getWriter();
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out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
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out.println("<HTML>");
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out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
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out.println(" <BODY>");
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out.print(" This is ");
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out.print(this.getClass());
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out.println(", using the POST method");
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out.println(" </BODY>");
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out.println("</HTML>");
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out.flush();
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out.close();
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}
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public GetApk() {
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super();
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}
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public void destroy() {
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super.destroy(); // Just puts "destroy" string in log
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// Put your code here
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}
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public void init() throws ServletException {
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}
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}
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