Ludo's Code Snippets

Method dependent Phobos server side script

// method-dependent script

var message;

library.httpserver.onMethod({
    GET: function() { message = "accessed via GET"; },
    POST: function() { message = "received POST"; },
    any: function() { message = "got something else"; },
});

model = { text: message };

to phobos by ludo on Feb 07, 2007

Printing all http headers in Phobos JavaScript server side

// prints all http headers
 
function get_headers() {    
    var a = []
    var hEnum = request.headerNames;
    while (hEnum.hasMoreElements()) {
        var n = hEnum.nextElement();
        a.push({name: n, value: request.getHeader(n)});
    }
    return a;
}

response.contentType = 'text/html';
writer = response.writer;

writer.println('<html><head><title>Sample header script</title></head><body>');
var headers = get_headers();
for (var i = 0; i < headers.length; ++i) {
    var header = headers[i];
    writer.print(header.name);
    writer.print(' => ');
    writer.print(header.value);
    writer.println('<br/>');
}
writer.println('</body></html>');
writer.flush();

to phobos by ludo on Feb 07, 2007

Dojo usage on the Phobos server side...

Dojo usage on the Phobos server side...
The key api is the library.dojo.load() call

// server-side dojo test script

response.status = 200;
response.contentType = "text/html";
writer = response.getWriter();
writer.println("<html><head><title>Dojo Sample</title></head><body>");

library.dojo.load();
dojo.require("dojo.lang.*");
try {
    dojo.lang.assert (1==2," 1 is equals to 1");
    writer.println("OK: 1 is equals to 1");
    }catch (e){
    writer.println(e.message);
    
}
dojo.require("dojo.date.common");

writer.println( "<br>dojo.date.getWeekOfYear returns "+dojo.date.getWeekOfYear(new Date()));
writer.println("</body></html>");
writer.flush();

to phobos by ludo on Feb 07, 2007

E4X JavaScript sample in Phobos server side Javascript


// see var below: no "", but pure xml:
var e4x = <html><head><title>Hello</title></head><body>Hello from Javascript!</body></html>;
response.setStatus(200);
response.setContentType("text/html");
writer = response.getWriter();
writer.println(e4x);

// another example for e4x
var sales = <sales shoppingcarID="12345">
    <item type="LCD TV" price="3000" quantity="5"/>
    <item type="Syno PSP 3" price="3" quantity="0"/>
    <item type="Book E4 for dummies" price="35" quantity="3"/>
  </sales>;
 
writer.println( "<br>quantity for Book E4 for dummies: "+sales.item.(@type == "Book E4 for dummies").@quantity );
writer.println("<br>" );
writer.println( "shopping cart ID is "+sales.@shoppingcarID);
writer.println("<br>" );
for each( var price in sales..@price ) {
    writer.println("<br>price is: "+ price );
}

writer.flush();

to phobos by ludo on Feb 07, 2007

JPA (Java Persistence API) usage in Phobos Server side JavaScript

JPA (Java Persistence API, Java EE 5) usage in Phobos Server side JavaScript


    response.setStatus(200);
    response.setContentType("text/html");
    writer = response.getWriter();

    writer.println("<html><head><title>Using JPA in Phobos JavaScript</title>");
    writer.println("</head><body><center><h2>Java Persistence API usage in Javascript.</h2></center>");

    // get the entity manager based on the Persistence Unit name (declared in the persistence.xml file)
    var em;
    try {
        var emf = Packages.javax.persistence.Persistence.createEntityManagerFactory("jpaExample1-pu", null);
        em = emf.createEntityManager();
    } catch (exception) {
        var exceptionMsg = exception.description;
        if (exception.description == null) {
            exceptionMsg = exception.message;
        }                            
        if (exceptionMsg.indexOf("DatabaseException") != -1) {
            writer.println("<p><br><br>Please ensure that the database is up and running");
        } else if (exceptionMsg.indexOf("NullPointerException") != -1) {
            writer.println("<p><br><br>Please ensure that the JPA application is built and the jar is present in the classpath of the phobos server");
        }
    }
    
    if (em != undefined) {
        // Insert some Authors if none are defined
        var authors = em.createQuery("select a from Author a").getResultList().toArray();
        if (authors.length==0){
            var tx = em.getTransaction();
            tx.begin();

            var author = new Packages.jpaexample.Author();
            author.name ="Danny Goodman"; //equivalent to author.setName("Danny Goodman");
            author.organisation= "O\'Reilly";
            em.persist(author);
            writer.println("<br><br>created one author named "+ author.name);

            var author2 = new Packages.jpaexample.Author();
            author2.name= "Paul Wilton";
            author2.organisation ="Wrox Press Inc";
            em.persist(author2);
            writer.println("<br><br>created one author named "+ author2.name);

            tx.commit();
        }

        // List out the Authors that are available
        authors = em.createQuery("select a from Author a").getResultList().toArray();
        writer.println("<h3>List of Authors as of "+ java.util.Date() +"</h3>")
        writer.println("<table><tr><th>Id</th><th>Name</th><th>Organisation</th></tr>")
        for (var i in authors) {
            var a = authors[i];
            writer.println("<tr><td>" + a.authorId
            + "</td><td>" + a.name
            + "</td><td>" + a.organisation
            + "</td></tr>");
        }

        writer.println("</table>")
    }
    
    writer.println("</body></html>");
    writer.flush();

to phobos by ludo on Feb 07, 2007

Yahoo Tree jMaki widget for Phobos

<% 
 library.jmaki.insert(
    {
    component : "yahoo.tree" ,
    value : {
        root : {
                title : 'Default Tree Root Node',
                expanded : true,
                children : [
                    { 
                        title:'Node 1.1',
                        onclick :{url:'foo'}
                    },
                    { 
                        title :'Node 1.2',
                        children :[
                            { 
                                title :'Node 3.1'
                            }
                        ]
                    }
                ]
        }
        }   
    }
    );%>

to jmaki phobos by ludo on Feb 07, 2007

Yahoo Map jMaki widget for Phobos

<% library.jmaki.insert(
    {
        component : "yahoo.map",
        args : { 
            centerLat :  37.39316, 
            centerLon :  -121.947333700, 
            mapType :    'YAHOO_MAP_SAT', 
            width :      600, 
            height :     300
            }
    }
    ); %>

to jmaki phobos by ludo on Feb 07, 2007

Yahoo geocoder jMaki widget for Phobos

<% library.jmaki.insert(
    {
        component : "yahoo.geocoder",
        service : "xhp"
    }
    ); %> 

<script  type:"text/javascript">
    function geoCoderListener(coordinates) {
    var targetDiv = document.getElementById("geocoder001_message");
    var reponseText  = "";
    for (var i in coordinates) {
        reponseText += "Latitude=" + coordinates[i].latitude + " Longitude=" +  coordinates[i].longitude + "<br>";
    }
    targetDiv.innerHTML = reponseText;
    }
    // subscribe to the topic '/yahoo/geocode' to which this widget publishes events
    jmaki.subscribe("/yahoo/geocoder", geoCoderListener);
</script>
<div id="geocoder001_message"></div>

to jmaki phobos by ludo on Feb 07, 2007

Yahoo Carousel jMaki widget for Phobos

<% library.jmaki.insert(
    {
        component : "yahoo.carousel",
        args : {
                tags : 'theKt'
        } 
    }
    ); %>

to jmaki phobos by ludo on Feb 07, 2007

Yahoo Calendar jMaki widget for Phobos

<% library.jmaki.insert(
    {
        component : "yahoo.calendar" 
    }
    ); %>

to jmaki phobos by ludo on Feb 07, 2007

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About this user

Method dependent Phobos server side script

Printing all http headers in Phobos JavaScript server side

Dojo usage on the Phobos server side...

E4X JavaScript sample in Phobos server side Javascript

JPA (Java Persistence API) usage in Phobos Server side JavaScript

Yahoo Tree jMaki widget for Phobos

Yahoo Map jMaki widget for Phobos

Yahoo geocoder jMaki widget for Phobos

Yahoo Carousel jMaki widget for Phobos

Yahoo Calendar jMaki widget for Phobos