I have a table in which a column has URLS with special characters.For example I have characters like these ä è æ µ.Is there a way where I can remove the characters or append the url with any understandable decoding?¨
I am using Swift 1.2 to develop my iPhone application and I am communicating with a http web service.
The response I am getting is in query string format (key-value pairs) and URL encoded in .Net.
I can get the response, but looking the proper way to decode using Swift.
Sample response is as follows
status=1&message=The+transaction+for+GBP+12.50+was+successfulTried following way to decode and get the server response
// This provides encoded response Stringvar responseString = NSString(data: data, encoding: NSUTF8StringEncoding) as! Stringvar decodedResponse = responseString.stringByReplacingEscapesUsingEncoding(NSUTF8StringEncoding)!How can I replace all URL escaped characters in the string?
In my java web application I have to construct a URL and then call the URL. While creating the URL I am encoding the parameter value using URLEncoder.encode("text","UTF-8") But when we get the parameter at the receiving end and decode it - it is not decoding properly. I tried setting the encoded value as request attribute this works fine. But can't use it as per client request.
Wrote following code to test URLEncoder & URLDecoder and URLCodec from Apache commons codec functions.
StringBuffer sb = new StringBuffer("TestSpecialChar'` ~6 Æ æ Ç È 123"); //String testCharacters = "TestSpecialChar'` ~6 Æ æ Ç È 123"; String testCharacters = sb.toString(); try { String encoded = URLEncoder.encode(testCharacters, "UTF-8"); System.out.println("URLEncoder : " + encoded); System.out.println("URLDecoder : " + URLDecoder.decode(encoded, "UTF-8")); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } URLCodec urlc = new URLCodec("UTF-8"); try { String encoded = urlc.encode(testCharacters); System.out.println("urlc.encode : " + encoded); System.out.println("urlc.decode : " + urlc.decode(encoded)); } catch (EncoderException ee){ ee.printStackTrace(); } catch (DecoderException e) { // TODO Auto-generated catch block e.printStackTrace(); } try { String encoded = urlc.encode(testCharacters); System.out.println("urlc.encode : " + encoded); System.out.println("URLDecoder : " + URLDecoder.decode(encoded, "UTF-8")); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (EncoderException ee){ ee.printStackTrace(); }This code works perfectly. Then I wrote a simple web application where I have two JSP page in which one is calling other with a encoded value in the URL. This is not showing the proper decoded value at the receiver end. Here is the code for your reference.
sender.jsp:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%><%@ page language="java" import="java.net.URLEncoder"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Sender</title><script type="text/javascript">function send(){window.location='<%=request.getContextPath()%>/jsp/receiver.jsp?txt=<%=URLEncoder.encode("TestSpecialChar'` ~6 Æ æ Ç È 123","UTF-8")%>';}</script></head><body onload="javascript:send();"></body></html>receiver.jsp:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%><%@ page language="java" import="java.net.URLDecoder"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Receiver</title></head><body><% if (request.getAttribute("encoded") != null){ URLDecoder.decode(request.getAttribute("encoded").toString(),"UTF-8"); }if (request.getParameter("txt") != null){%><%=URLDecoder.decode(request.getParameter("txt").toString(),"UTF-8")%>inside if getparameter<%}%></body></html>I get following output in the browser
TestSpecialChar'` ~6 Æ æ Ç È 123 inside if getparameter
instead of
TestSpecialChar'` ~6 Æ æ Ç È 123 inside if getparameter
Can someone please let me know what is wrong in test code and what is difference between request attribute and parameter due to which the attribute is decoded properly whereas parameter does not?
Temp solution:Solved it by doing following things:1) Created a class which would replace some specific characters with UTF 8 code.2) Removed passing of character data as URL parameters.3) Making sure that call to external URL is UTF-8 encoded.4) Any value received from external URL or which in the application is decoded before using the value.
Correct solution:To over come this problem the application has to be designed and coded with i18n in mind and all the JSP page with UTF-8 encoding.
I am using Javascript method decodeURIComponent to decode an encoded URL. Now I am having an issue, that sometimes the URL is get encoded twice during redirection between servers, sometimes it is encoded only once.
I want to check that if the URL is still encoded after calling the method decodeURIComponent. How can I do that? Any pointer would be very helpful to me.
If I recursively call a method and check that if the given URL still contains "%", if it contains "%" then decode it and call the method again; and if not return it to the caller, will that work?
For my case I have:
callBackUrl=http%253A%252F%252Fadbc.com%252FPOSM%252Fapp%252Fpages%252Fadf.task-flow%253Fadf.tfDoc%253D%25252FWEB-INF%25252Ftask-flows%25252Fcatalog-edit-task-flow.xml%2526adf.tfId%253Dcatalog%2526_adf.ctrl-state%253Db9akorh22_9%2526articleReference%253D10C00135%2526previousView%253Dcatalog-home%2526fromUCM%253Dtrue%2526articleType%253Dposm%2526developer%253DcentralNow I am taking the value of the callBackUrl in my js method, then decoding it and firing window.open() with that decoded URL. the parameters are same and it has:
Parameters into it. So I know there is no query string like value="%..".
I have written the following method:
var decodeURLRecursively = function(url) { if(url.indexOf('%') != -1) { return decodeURLRecursively(decodeURIComponent(url)); } return url;}I am trying to decode this URL string using PHP's urldecode function:
urldecode("Ant%C3%B4nio+Carlos+Jobim");This is supposed to output...
'Antônio Carlos Jobim'...but instead is ouptutting this
'Antônio Carlos Jobim'I've tested the string in a JS-based online decoder with great success, but can't seem to do this operation server side. Any ideas?
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