Source

translate.xhtml

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:p="http://primefaces.org/ui"
    xmlns:pm="http://primefaces.org/mobile">
    
    <f:view renderKitId="PRIMEFACES_MOBILE" />
    
    <h:head>
        <style type="text/css">
            .ui-grid-b div {
                padding: 0em 0.5em;
            }
        </style>
    </h:head>
    
    <h:body>
        
        <pm:page>
            <pm:header title="Translate" swatch="b"></pm:header>
            
            <pm:content>
                <h:form id="main">
                    <pm:field>
                        <p:outputLabel for="from" value="From" />
                        <p:selectOneMenu id="from" value="#{translateView.from}">
                            <f:selectItems value="#{translateView.languages}" />
                        </p:selectOneMenu>
                    </pm:field>
                    
                    <pm:field>
                        <p:outputLabel for="to" value="To" />
                        <p:selectOneMenu id="to" value="#{translateView.to}">
                            <f:selectItems value="#{translateView.languages}" />
                        </p:selectOneMenu>
                    </pm:field>
                    
                    <p:panelGrid columns="3" styleClass="ui-responsive">
                        <p:inputTextarea value="#{translateView.text}" placeholder="Text" />
                        <p:commandButton value="Translate" icon="ui-icon-refresh" update="display" actionListener="#{translateView.translate}"/>
                        <p:inputTextarea id="display" value="#{translateView.result}" readonly="true" placeholder="Result"/>
                    </p:panelGrid>
                </h:form>
                
            </pm:content>
        </pm:page>
    </h:body>
    
</html>

TranslateView.java

package org.primefaces.examples.mobile;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.ResourceBundle;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.context.FacesContext;
import org.primefaces.json.JSONArray;
import org.primefaces.json.JSONObject;

@ManagedBean
public class TranslateView {
    
    private final static String TRANSLATE_URL_KEY = "translate.url";
    private final static String BUNDLE_NAME = "translate";
    
    private String translateURL;
    private String from;
    private String to;
    private String text;
    private String result;
    private Map<String,String> languages;

    @PostConstruct
    public void init() {
        languages = new LinkedHashMap<String, String>();
        languages.put("English", "en");
        languages.put("Turkish", "tr");
        languages.put("Italian", "it");
        languages.put("Spanish", "es");
        languages.put("German", "de");
        languages.put("French", "fr");
        languages.put("Portuguese", "pt");
        
        Map<String,Object> app = FacesContext.getCurrentInstance().getExternalContext().getApplicationMap();
        translateURL = (String) app.get(TRANSLATE_URL_KEY);
        
        if(translateURL == null) {
            translateURL = ResourceBundle.getBundle(BUNDLE_NAME).getString(TRANSLATE_URL_KEY);
            app.put(TRANSLATE_URL_KEY, translateURL);
        }
    }
    
    public void translate() throws Exception {        
        String url = translateURL + "&lang" + from + "-" + to + "&text=" + text;
        String response = getResponse(url);
        JSONObject json = new JSONObject(response);
        JSONArray jsonArray = json.getJSONArray("text");
        result = jsonArray.getString(0);
    }
    
    private String getResponse(String url) throws Exception {
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        con.setRequestMethod("GET");
        int responseCode = con.getResponseCode();
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuilder response = new StringBuilder();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        
        return response.toString();
    }

    public Map<String, String> getLanguages() {
        return languages;
    }

    public String getFrom() {
        return from;
    }
    public void setFrom(String from) {
        this.from = from;
    }

    public String getTo() {
        return to;
    }
    public void setTo(String to) {
        this.to = to;
    }

    public String getText() {
        return text;
    }
    public void setText(String text) {
        this.text = text;
    }

    public String getResult() {
        return result;
    }

    public void setResult(String result) {
        this.result = result;
    }
}