IntroductionThis page demonstrates several examples of using the OpenPTK RESTful interface with the javascript and xmlhttprequest Test html page with javascript examples operations<%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>OpenPTK xmlhttprequest tests</title> </head> <body> <h1>XMLHttpRequest Javascript Example</h1> <FORM> <INPUT TYPE="button" VALUE="Contexts" onClick="showHttpResource('contexts', 'contexts')"> <INPUT TYPE="button" VALUE="Person-MySQL-JDBC" onClick="showHttpResource('context', 'contexts/Person-MySQL-JDBC')"> <INPUT TYPE="button" VALUE="Person-MySQL-JDBC Subjects" onClick="showHttpResource('subjects', 'contexts/Person-MySQL-JDBC/subjects')"> <INPUT TYPE="button" VALUE="Person-MySQL-JDBC Subjects" onClick="showHttpResource('subject', 'contexts/Person-MySQL-JDBC/subjects/jbauer')"> </FORM> </body> </html> <script type="text/javascript"> function showHttpResource(resourcetype, resource) { var url = '/openptk/resources/' + resource; // Create xmlhttprequest object var xmlhttp = null; if (window.XMLHttpRequest) { xmlhttp = new XMLHttpRequest(); //make sure that Browser supports overrideMimeType if ( typeof xmlhttp.overrideContentType != 'undefined') { xmlhttp.overrideMimeType('text/xml'); } } else if (window.ActiveXObject) { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } else { alert('Perhaps your browser does not support xmlhttprequests?'); } // Create an HTTP GET request xmlhttp.open('GET', url, true); xmlhttp.setRequestHeader("Accept","application/json"); // Set the callback function xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { // Output the results alert(xmlhttp.responseText); } else { // waiting for the call to complete } }; // Make the actual request xmlhttp.send(null); } </script> |
Release 2.x > Development >