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POJava : how to communicate from localhost Java desktop application to Java Applet?
 

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  1. POJava : how to communicate from localhost Java desktop application to Java Applet?
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    <p>I would know if there is a way to make a Java desktop application to communicate with an applet, in order to call Javascript functions from the desktop app (through applet).</p> <p><strong>The context :</strong></p> <p>In one hand, I'm having an ExtJS application (full-AJAX), which is located on a remote server. In the other hand, a desktop Java application (netbeans application), which is resident (indeed).</p> <p><strong>What I would do :</strong></p> <p>Each time one of the apps is used, it sends events &amp; data to the other app.</p> <p>After a few research, I saw interesting posts <a href="https://stackoverflow.com/questions/4519741/how-can-a-desktop-application-communicate-with-a-web-application">here</a> and <a href="https://stackoverflow.com/questions/7278626/javascript-to-java-applet-communication">here</a>, and also an answer on <a href="https://stackoverflow.com/questions/2622377/inter-applet-communication">how to communicate between applets</a> (see also <a href="https://stackoverflow.com/questions/11341692/how-to-share-data-between-applets-in-the-same-web-page">here</a>).</p> <p>The question is not about how to do cross-domain from the applet to the destktop app (see <a href="https://stackoverflow.com/questions/1908083/java-and-crossdomain-xml">over there</a> and <a href="http://weblogs.java.net/blog/2008/05/28/java-doodle-crossdomainxml-support" rel="nofollow noreferrer">here</a>), but as said in the beginning how to communicate from a desktop java app to the javascript.</p> <p><strong>Notes</strong></p> <p>The webapp (ExtJS) is based on a remote server, the applet too. I can locate the applet locally, but it implies to deploy a local webserver.</p> <p>The desktop app is very heavy, so I cannot convert it in an applet format.</p> <p>I put the "reverse-AJAX" tag because it is the global concept of what I would do.</p> <p>If all this is possible without an applet (<em>no Flash please</em>), it's okay too.</p>
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    1. COTo call javascript from the browser applet you need to use `LiveConnect`. In order to 'fire events' from the desktop app to the applet the applet would need to connect to the desktop app using a `ServerSocket` and you need to come up with a protocol for event transfer.
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    2. CO@bmorris591 Seems to be the good way, thanks ! Could you please make it an answer ?
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