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Thread: Error in URL connection

  1. #1
    Junior Member
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    Jan 2012
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    Default Error in URL connection

    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStreamReader;
    import java.io.OutputStreamWriter;
    import java.io.PrintWriter;
    import java.io.UnsupportedEncodingException;
    import java.net.HttpURLConnection;
    import java.net.MalformedURLException;
    import java.net.Proxy;
    import java.net.URL;
    import java.net.URLConnection;
    import java.net.URLEncoder;

    /**
    *
    * @author sreenath
    */
    public class Way2SMS {
    private URLConnection sendSMSConnection;
    private String sessionCookie;
    private Proxy proxy;

    //Function to support connection through an HTTP Proxy
    public void setProxy(String proxyHost,int proxyPort)
    {
    proxy=new Proxy(Proxy.Type.HTTP,java.net.InetSocketAddress.c reateUnresolved(proxyHost, proxyPort));
    }
    //Logging in to Way2sms and returning the authentication cookie
    //No need to Give the cookie back to sendSMS() but cookie is returned for expanding the flexibility of the code



    /*public String loginWay2SMS(String userName,String password)
    {
    String cookie=null;
    URL urlLogin;
    String loginContent;
    HttpURLConnection loginConnection;
    if(userName==null || userName.isEmpty())
    {
    System.err.println("A Valid User Name must be present!");
    System.exit(0);
    }
    if(password==null || password.isEmpty())
    {
    System.err.println("A Valid Password must be present!");
    System.exit(0);
    }
    try {
    //UTF-8 encoding is the web standard so data must be encoded to UTF-8
    userName=URLEncoder.encode(userName, "UTF-8");
    password=URLEncoder.encode(password, "UTF-8");
    urlLogin=new URL("http://site5.way2sms.com/auth.cl");
    if(proxy==null)
    {
    loginConnection = (HttpURLConnection) urlLogin.openConnection();
    }
    else
    {
    loginConnection = (HttpURLConnection) urlLogin.openConnection(proxy);
    }

    loginContent="username=" + userName + "&password=" + password;
    //Faking that we are from a valid client
    loginConnection.setDoOutput(true);
    loginConnection.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5");
    loginConnection.setRequestProperty("Content-Length", String.valueOf(loginContent.length()));
    loginConnection.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
    loginConnection.setRequestProperty("Accept", "*/*");
    loginConnection.setRequestProperty("Referer", "http://site5.way2sms.com//entry.jsp");
    loginConnection.setRequestMethod("POST");
    loginConnection.setInstanceFollowRedirects(false);
    //Writing the Content to the site
    PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(loginConnection.getOutputStream ()), true);
    printWriter.print(loginContent);
    printWriter.flush();
    printWriter.close();
    //Reading the cookie
    cookie = loginConnection.getHeaderField("Set-Cookie");


    } catch (MalformedURLException ex) {
    System.err.println("Login URL Error");
    System.exit(0);
    } catch (UnsupportedEncodingException ex) {
    System.err.println("Error in encoding Username or Password");
    System.exit(0);
    }catch (IOException ex) {
    System.err.println("Can not connect to Login URL");
    System.exit(0);
    }
    if(cookie==null || cookie.isEmpty())
    {
    System.err.println("Some error occured...Try again in a few seconds..If still problem exists check your username and password");
    }
    sessionCookie=cookie;
    return cookie;

    }*/



    public void sendSMS(String phoneNumber,String message,String action)
    {

    if(phoneNumber==null || phoneNumber.isEmpty())
    {
    System.err.println("Enter A Valid Phone Number");
    System.exit(0);
    }
    else
    {
    try
    {

    long testLong=Long.valueOf(phoneNumber);
    }catch(NumberFormatException ex)
    {
    System.err.println("Invalid Phone Number");
    System.exit(0);
    }


    }

    if(message==null || message.isEmpty())
    {
    System.err.println("Enter A Valid Phone Number");
    System.exit(0);
    }
    else if(message.length()>140)
    {
    System.err.println("Message should be less than 140 characters");
    }
    if(action==null || action.isEmpty())
    {
    System.err.println("Enter Valid Action to send Message");
    System.exit(0);
    }

    URL sendURL;
    HttpURLConnection sendConnection;
    String sendContent;
    try {
    message=URLEncoder.encode(message, "UTF-8");
    sendURL=new URL("http://site5.way2sms.com/FirstServletsms?custid=");
    if(proxy==null)
    {
    sendConnection = (HttpURLConnection) sendURL.openConnection();
    }
    else
    {
    sendConnection = (HttpURLConnection) sendURL.openConnection(proxy);
    }
    sendContent="custid=undefined&HiddenAction=instant sms&Action="+action+"&login=&pass=&MobNo="+ phoneNumber+ "&textArea="+message;
    sendConnection.setDoOutput(true);
    sendConnection.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5");
    sendConnection.setRequestProperty("Content-Length", String.valueOf(sendContent.getBytes().length));
    sendConnection.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
    sendConnection.setRequestProperty("Accept", "*/*");
    sendConnection.setRequestProperty("Cookie", sessionCookie);
    sendConnection.setRequestMethod("POST");
    sendConnection.setInstanceFollowRedirects(false);

    PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(sendConnection.getOutputStream( )),true);
    printWriter.print(sendContent);
    printWriter.flush();
    printWriter.close();
    //Reading the returned web page to analyse whether the operation was sucessfull
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(sendConnection.getInputStream()) );
    StringBuilder SendResult=new StringBuilder();
    String line;
    while ((line=bufferedReader.readLine()) != null)
    {
    SendResult.append(line);
    SendResult.append('\n');
    //Message has been submitted successfully
    }
    if(SendResult.toString().contains("Message has been submitted successfully"))
    {
    System.out.println("Message sent to "+phoneNumber+" successfully.");
    }
    else
    {
    System.err.println("Message could not send to "+phoneNumber+". Also check login credentials");
    }
    bufferedReader.close();

    }catch (UnsupportedEncodingException ex) {
    System.err.println("Message content encoding error");
    System.exit(0);
    }catch (MalformedURLException ex) {
    System.err.println("Sending URL Error");
    System.exit(0);
    }catch (IOException ex) {
    System.err.println("Sending URL Connection Error");
    System.exit(0);
    }


    }
    public void logoutWay2SMS()
    {
    try {
    HttpURLConnection logoutConnection;
    URL logoutURL;
    logoutURL = new URL("http://site5.way2sms.com/jsp/logout.jsp");
    if(proxy==null)
    {
    logoutConnection = (HttpURLConnection) logoutURL.openConnection();
    }
    else
    {
    logoutConnection = (HttpURLConnection) logoutURL.openConnection(proxy);
    }

    logoutConnection.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5");
    logoutConnection.setRequestProperty("Accept", "*/*");
    logoutConnection.setRequestProperty("Cookie", sessionCookie);
    logoutConnection.setRequestMethod("GET");
    logoutConnection.setInstanceFollowRedirects(false) ;
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(logoutConnection.getInputStream( )));
    while ((bufferedReader.readLine()) != null);
    bufferedReader.close();
    } catch (MalformedURLException ex) {
    System.err.println("Logout URL Error");
    System.exit(0);
    }catch (IOException ex) {
    System.err.println("Logout URL Connection Error");
    System.exit(0);
    }
    }
    Way2SMS()
    {
    proxy=null;
    sendSMSConnection=null;
    }
    public static void main(String args[])
    {
    final String USERNAME="";//REQUIRED
    final String PASSWORD="";//REQUIRED
    final String ACTION="";//REQUIRED : In order to understand ACTION value please read the blog
    Way2SMS sms=new Way2SMS();
    //HTTP PROXY
    //sms.setProxy("10.1.1.1",8080); //REQUIRED ONLY IF CONNECTING THROUGH A PROXY

    StringBuilder phoneNumber= new StringBuilder();
    StringBuilder message=new StringBuilder();
    if(args.length>0)
    {
    if(args[0].toLowerCase().compareTo("phone")==0)
    {
    int i=1;
    while(args[i].toLowerCase().compareTo("message")!=0)
    {
    phoneNumber.append(args[i]);
    phoneNumber.append(';');
    i++;
    }
    for(i=i+1;i<args.length;i++)
    {
    message.append(args[i]);
    message.append(' ');
    }
    }
    else
    {
    System.out.println("USAGE : Way2SMS phone <phonenumber1> <phonenumber2> ... message <message>");
    System.exit(0);
    }
    }
    else
    {
    System.out.println("USAGE : Way2SMS phone <phonenumber1> <phonenumber2> ... message <message>");
    System.exit(0);
    }



    String cookie=sms.loginWay2SMS(USERNAME,PASSWORD);
    String textMessage=message.toString();
    String strPhoneNumber=phoneNumber.toString();
    String arrPhoneNUmber[]=strPhoneNumber.split(";");
    for(int i=0;i<arrPhoneNUmber.length;i++)
    {

    sms.sendSMS(arrPhoneNUmber[i], textMessage, ACTION);
    }

    sms.logoutWay2SMS();
    }
    }


  2. #2
    Super Moderator Norm's Avatar
    Join Date
    May 2010
    Location
    Eastern Florida
    Posts
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    Default Re: Error in URL connection

    You forgot to post the full text of the error message.
    Also please Edit your post and wrap your code with
    [code=java]<YOUR CODE HERE>[/code] to get highlighting

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