Re: Newbie questions converting Java app to GWT

1a. Only java.lang and java.util classes are supported

1b. Just use a StringBuffer and setText

2. You can just remove the server directory. And clean up the web.xml The error you are receiving is not about that though. I think you are using superDevMode to run the project in Eclipse ? If that is the case clean up het war directory before uploading. This will contain things about superDevMode. If you don't know what to remove post the directory structure of the war folder here.

Op donderdag 30 maart 2017 08:10:01 UTC+2 schreef Mr Grol:

Hello,

 

I have a Java app that I wish to convert to JavaScript using GWT. I have downloaded GWT and the plugin for Eclipse. However, I am having some problems:

 

 

1. textArea / BufferedReader

1a. Parsing each line of a textArea line by line. In Java I use java.io.BufferedReader. This does not seem to be supported in GWT. What alternatives could I use please?

 

1b. There seems to be no .append(String) function for a textArea. Is outputting to a textArea not the done thing in GWT?

 

 

2. Sample code / Server issues

I do not need any server side functionality. The sample project code that is generated when creating a new project comes complete with server side code that causes problems for me as I don't have admin access to the webserver, just a folder on the server. I cannot open up ports, etc.

 

When I load the html page, I get a dialog saying "Couldn't load helloworld from Super Dev Mode Server...". I am compiling the app and copying the 'war' folder to my folder on the webserver.

 

Are there any sample 'hello world' Eclipse projects that don't have server code and that are public domain (or similar) license to get me started? Or perhaps, how do I remove the server stuff from my sample project? I can create a blank web application but some sample code to get me started.

  

Thanks in advance. :-)

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