Pass geolocation JavaScript values to a Bean [duplicate]

Question

I have to pass geolocation values got by using html5 geolocation to my managed bean ItemMb, here is my code to clarify things and i don't really know how to achieve this.

My managed bean

public class ItemMb {

    private Item item = new Item();

    // get/set
}

My dto Item

public class Item {

//  private Double idCollect;
    // login et password
    private Double lat;
    private Double lon;
    private Double accuracy;
    private String photo;
    private String remark;

    public Item(){
    }
// getters and setters

Here is my .js file where i got geolocations values and innertext them in some primefaces tags

window.watchID = navigator.geolocation.watchPosition(function(position){              

      document.getElementById("xCurrentPosition").innerHTML = (Math.round(position.coords.latitude*100) / 100);
      document.getElementById("yCurrentPosition").innerHTML = (Math.round(position.coords.longitude*100) / 100);
      document.getElementById("accuracyCurrentPosition").innerHTML = position.coords.accuracy;    

      });

Now i want to pass those JavaScript generated geolocation values to my managed bean ItemMb. If you need more informations feel free to ask.

How are you firing the request to the server to initialize the managed bean: through a GET request by changing the current URL or through an ajax request? — Luiggi Mendoza
– Luiggi Mendoza, Commented Mar 20, 2014 at 14:55
throught a GET request, for my page navigation i use prettyfaces — Junctionbe
– Junctionbe, Commented Mar 20, 2014 at 15:31

Junctionbe · Accepted Answer · 2016-08-01 10:16:42Z

4

I've finally found the answer, i will let it there in case if someone has the same problem. You have to follow these steps:

1) Define a primefaces remoteCommand

<p:remoteCommand name="myRemoteCommand" process="@this" autoRun="false" actionListener="#{myMb.myListener}"/>

2) Call the command in your JavaScript code

myRemoteCommand ([{name:'paramName1',   value: 'paramValue1'}, {name:'paramName2',     value: 'paramValue2'}, …]);

3) In the backing bean use this method

void myListener(){
                String param1 = (String) FacesContext.getInstance().getExternalContext().getRequestParameterMap().get("paramName1");
                …
}

edited Aug 1, 2016 at 10:16

answered Mar 24, 2014 at 8:00

Junctionbe

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1 Comment

Emmanuel Santana Over a year ago

Should't the method be: getCurrentInstance()?

Tekinnn · Accepted Answer · 2014-03-20 14:25:10Z

0

Here is the JavaScript code in the HTML5 application. i've tested it works.

navigator.geolocation.getCurrentPosition(function(position) {

    //lon      
    var lon = position.coords.longitude;

    //lat
    var lat = position.coords.latitude;

    //alert(lon+", "+lat);



    });

answered Mar 20, 2014 at 14:25

Tekinnn

194 bronze badges

3 Comments

Junctionbe Over a year ago

That's not what i want unfortunally:p In my code i already display those value , but what i want is to store those geolocation value as data from my Item, i would like to set lon, lat and accuracy into Item property

Tekinnn Over a year ago

but you do not want to in html5? i see from you code in java or android or so

Junctionbe Over a year ago

I want to pass those values to my managed bean because I need to make a POST request in my Java code

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