gwt

How can a user download a file in client side (Google Web Toolkit)

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You REALLY need to distinguish between GWT client side java code and server side java code. On the client side in your GWT Java Code String url = GWT.getModuleBaseURL() + “downloadService?fileInfo1=” + fileInfo1; Window.open( url, “_blank”, “status=0,toolbar=0,menubar=0,location=0”); On server side in your non-gwt Java code- In web.xml <servlet> <servlet-name>downloadService</servlet-name> <servlet-class>AAA.BBB.CCC.DownloadServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>downloadService</servlet-name> <url-pattern>/<gwtmodulename>/downloadService</url-pattern> </servlet-mapping> … Read more

how to clear cache in gwt?

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When you deploy a GWT-application it’s important to avoid proxies and browsers to cache the .nocache.js-files generated by GWT. One solution is to implement a servlet filter that adds the necessary HTTP-headers that control the caching behaviour. Here’s such a filter: http://seewah.blogspot.com/2009/02/gwt-tips-2-nocachejs-getting-cached-in.html The headers in that example are: Date: Wed, 24 Nov 2010 20:32:43 GMT … Read more

Multiple pages tutorial in Google Web Toolkit (GWT)

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What I usually do in situations like this is design the webpage framework first. I’ll have a div for the header, side menu and footer. I’ll also have a div in my HTML for the main content. Example: <html xmlns=”http://www.w3.org/1999/xhtml”> <head> <meta name=”gwt:module” content=”org.project.package.Core=org.project.package.Core”> </head> <body> <!– Load the JavaScript code for GWT –> <script … Read more

GWT module may need to be (re)compiled REDUX

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Have you started the DevMode using your src/main/webapp as the “war folder”? or in other words, is there a *.nocache.js in your src/main/webapp? In that case, this file will overwrite the one produced by the GWT compiler as called by the gwt-maven-plugin. The *.nocache.js generated by the DevMode (when no one exists, generated by a … Read more

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