DZone Snippets: Ludo's Code Snippets

Method dependent Phobos server side script

ludo (ludo) — Wed, 07 Feb 2007 09:53:23 GMT

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 };

Printing all http headers in Phobos JavaScript server side

ludo (ludo) — Wed, 07 Feb 2007 09:52:20 GMT

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('Sample header script');

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('
');

}

writer.println('');

writer.flush();

Dojo usage on the Phobos server side...

ludo (ludo) — Wed, 07 Feb 2007 09:51:08 GMT

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("Dojo Sample");



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( "
dojo.date.getWeekOfYear returns "+dojo.date.getWeekOfYear(new Date()));

writer.println("");

writer.flush();

E4X JavaScript sample in Phobos server side Javascript

ludo (ludo) — Wed, 07 Feb 2007 09:49:47 GMT

E4X JavaScript sample in Phobos server side Javascript





// see var below: no "", but pure xml:

var e4x = HelloHello from Javascript!;

response.setStatus(200);

response.setContentType("text/html");

writer = response.getWriter();

writer.println(e4x);



// another example for e4x

var sales = 

    

    

    

  ;

 

writer.println( "
quantity for Book E4 for dummies: "+sales.item.(@type == "Book E4 for dummies").@quantity );

writer.println("
" );

writer.println( "shopping cart ID is "+sales.@shoppingcarID);

writer.println("
" );

for each( var price in sales..@price ) {

    writer.println("
price is: "+ price );

}



writer.flush();

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

ludo (ludo) — Wed, 07 Feb 2007 09:48:18 GMT

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("Using JPA in Phobos JavaScript");

    writer.println("Java Persistence API usage in Javascript.");



    // 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("

Please ensure that the database is up and running");

        } else if (exceptionMsg.indexOf("NullPointerException") != -1) {

            writer.println("


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("

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("

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("
List of Authors as of "+ java.util.Date() +"")

        writer.println("")

        for (var i in authors) {

            var a = authors[i];

            writer.println("");

        }


        writer.println("Id Name Organisation
" + a.authorId

            + " " + a.name

            + " " + a.organisation

            + "
")

    }

    

    writer.println("");

    writer.flush();

Id	Name	Organisation
" + a.authorId + "	" + a.name + "	" + a.organisation + "

Yahoo Tree jMaki widget for Phobos

ludo (ludo) — Wed, 07 Feb 2007 09:44:50 GMT

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'

                            }

                        ]

                    }

                ]

        }

        }   

    }

    );%>

Yahoo Map jMaki widget for Phobos

ludo (ludo) — Wed, 07 Feb 2007 09:44:15 GMT

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

            }

    }

    ); %>

Yahoo geocoder jMaki widget for Phobos

ludo (ludo) — Wed, 07 Feb 2007 09:43:35 GMT

Yahoo geocoder jMaki widget for Phobos



<% library.jmaki.insert(

    {

        component : "yahoo.geocoder",

        service : "xhp"

    }

    ); %>

Yahoo Carousel jMaki widget for Phobos

ludo (ludo) — Wed, 07 Feb 2007 09:42:49 GMT

Yahoo Carousel jMaki widget for Phobos



<% library.jmaki.insert(

    {

        component : "yahoo.carousel",

        args : {

                tags : 'theKt'

        } 

    }

    ); %>

Yahoo Calendar jMaki widget for Phobos

ludo (ludo) — Wed, 07 Feb 2007 09:42:08 GMT

Yahoo Calendar jMaki widget for Phobos



<% library.jmaki.insert(

    {

        component : "yahoo.calendar" 

    }

    ); %>