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POUpdate SVG file using Ajax, by retrieving some information from a Java Servlet
 

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  1. POUpdate SVG file using Ajax, by retrieving some information from a Java Servlet
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    <p>I have written a Java Servlet that retrieves a SVG image. The content type for this servlet is <code>CONTENT_TYPE = "image/svg+xml";</code></p> <p>This certain servlet is being integrated in a bigger (ADF11g) application as an inlineframe. The code should look familiar, if you are accustomed with JSP:</p> <pre><code> &lt;af:inlineFrame source="servlet?Filename=TestSVG1&amp;amp;width=1024&amp;amp;height=1024" inlineStyle="width :#{session.graphSVGWidth}px; height:#{session.graphSVGHeight}px; border: none"&gt; &lt;/af:inlineFrame&gt; </code></pre> <p>This SVG contains a dyanmic popup that allows the user to interact "with the picture", by sending information to the server via Ajax calls. </p> <p>For example this a part of JavaScript that is being used by the SVG:</p> <pre><code>function loadXMLDocPOST(params) { var xmlhttp = getXmlHttp(); xmlhttp.open("POST", 'servlet', true); xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); xmlhttp.setRequestHeader("Content-length", params.length); xmlhttp.setRequestHeader("Connection", "close"); xmlhttp.onreadystatechange = function () { if (xmlhttp.readyState == 4 &amp;&amp; xmlhttp.status == 200) { /* Do something here */ } else { //alert('xmlhttp.status_r2=' + xmlhttp.status); } } xmlhttp.send(params); } function editAction(Filename, Name){ loadXMLDocPOST(...) } </code></pre> <p>The Ajax call is successful, but the problem is that after I trigger some actions from the SVG, I want to update the picture contained in the inline frame (the <code>/* Do something here */</code>)</p> <p>So, how do I rerender the SVG, from inside the SVG :) ? The problem is that <code>innerHTML</code> is not working in SVG. <code>document.write()</code> is not working either. So do you have any suggestions ?</p>
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