java - write the value at specific location of property file using servlet -
**************this controller(servlet)****************************
package com.igate.controller; import java.io.filenotfoundexception; import java.io.ioexception; import java.io.inputstream; import java.lang.reflect.method; import java.util.arraylist; import java.util.properties; import javax.servlet.requestdispatcher; import javax.servlet.servletexception; import javax.servlet.http.httpservlet; import javax.servlet.http.httpservletrequest; import javax.servlet.http.httpservletresponse; import org.apache.commons.configuration.configurationexception; import org.apache.commons.configuration.propertiesconfiguration; public class testcontroller extends httpservlet { private static final long serialversionuid = 1l; public testcontroller() { } protected void doget(httpservletrequest request, httpservletresponse response) throws servletexception, ioexception { dopost(request, response); } protected void dopost(httpservletrequest request, httpservletresponse response) throws servletexception, ioexception { system.out.println("test---------------------------------------------------------------------------"); response.setcontenttype("text/html"); string action= request.getparameter("action"); system.out.println(action); if(action.equals("proceed")) { string pf =request.getparameter("pf"); system.out.println(pf); filereader fr = new filereader("d:/sct_wrk/projectone/src/framework.properties"); bufferedreader br = new bufferedreader(fr); string line = ""; string newtxt = ""; while ((line = br.readline()) != null){ if ((line.trim()).equals("{platform_end}")){//if line has match need line = pf+ "="+ pf; + "\n" + "{platform_end}";//insert new text } newtxt += line + "\n"; filewriter fw = new filewriter ("d:/sct_wrk/projectone/src/framework.properties"); bufferedwriter bw = new bufferedwriter(fw); bw.write(newtxt); br.close(); bw.close(); fr.close(); fw.close(); } } } --------------------------------------------------------------------------------------------- this jsp page ********
<%@ page language="java" contenttype="text/html; charset=iso-8859-1" pageencoding="iso-8859-1"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <!doctype html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1"> <title>insert title here</title> </head> <body> <form method="post" action="testcontroller"> <table align="center"> <tr><th>enter platform</th><td> <input type="text" name="pf"></td> <td><input type="submit" value="proceed" name="action" id ="p"> </td> </tr> </table> </form> </body> </html> --------------------------------------------------------------------------------------------------- this property file******
working_dir = com/test/auto/framework lib = lib platform = {windows} app_type = {web} platform_start={start} windows = windows mac = mac android = android ios = ios platform_end={end} web = web native = native hybrid = hybrid platform_version = 4.4.2 device = galaxys4 default_url = http://127.0.0.1:4723/wd/hub grid_url = http://localhost:4444/wd/hub ie_webdriver_path = {lib}/iedriverserver.exe chrome_webdriver_path = {lib}/chromedriver.exe ie_webdriver = iedriverserver.exe chrome_webdriver = chromedriver.exe browser_profile_path = {lib}/{browser}/profile safari_extension = {lib}/{safari}/extension/extension.js firefox_autoauth_extension = {lib}/{firefox}/extension/autoauth-2.1-fx+fn.xpi use_firefox_autoauth = false exec_speed_controller_seconds = 1 log_wait_messages = false ----------------------------------------------------------------------------- 1). need user enter in platform input text should write in property file exact before " {platform_end}" example.. user enter "linux" should write here- platform_start={start} windows = windows mac = mac android = android ios = ios here-------> linux =linux platform_end={end}
2). want user entered platform should append @ bottom of platform list , before {platform_end} .
how possible.?. if know logic please .. in advance
not sure if apache common config have feature. java io, can read config file line line , rewrite each line addition of new line:
string pf = request.getparameter("pf"); filereader fr = new filereader("d:/sct_wrk/projectone/src/framework.properties"); bufferedreader br = new bufferedreader(fr); string line = ""; string newtxt = ""; while ((line = br.readline()) != null) { if ((line.trim()).contains("platform_end={end}")) {// if line has match need line = pf + "=" + pf + "\n" + "platform_end={end}";// insert new // text } newtxt += line + "\n"; } filewriter fw = new filewriter("d:/sct_wrk/projectone/src/framework.properties"); bufferedwriter bw = new bufferedwriter(fw); bw.write(newtxt); br.close(); bw.close(); fr.close(); fw.close();
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