How to count total lines of code of a GWT project?

[Tom]

Does GWT 2.5 provide a tool to count total lines of code of a GWT project?

I installed GWT2.5 in eClipse Juno, in Client package I have about 191 java files, in Server package I have about 41 java files.

Some java files have 12000 lines of code some only have 1 or 2000 lines. But there are comments as well.

So I think, on an average, each java file has 3000 lines of code, but I am not so sure. 

So how to count the total lines of code (not counting the comment lines) of a GWT Project  in eClipse?

[Drew Spencer]

Get the metrics 2 plugin: http://metrics.sourceforge.net/

I think this will do exactly what you want.

[Tom]

Can we have other solution?

Last time I did update something for eClipse & after that couldn't run my app properly. So my eClipse is stable now & I am very scary of updating it.

[Tom]

My Godness, I put http://metrics.sourceforge.net/update & now G symbol disapppeared?? 

Why, it's terrible now Why all the Gui structure gone???

On Tuesday, May 13, 2014 7:27:38 PM UTC+10, Drew Spencer wrote:

[Tom]

My Godness, I put http://metrics.sourceforge.net/update & now G symbol disapppeared?? 

Why, it's terrible now Why all the Gui structure gone???

Why "Could not create the view: com.android.ide.eclipse.ddms.views.LogCatView"?

[Drew Spencer]

That doesn't sound like expected behaviour. I would guess there is something else wrong with your installation of eclipse if the GUI is getting all messed up like that after a very simple plugin is installed.

I've never had any such problems. Maybe if you post more information about what is going on someone can help you.

Drew

[Tom]

Ok, I installed again Google Plugin but this time after relaunched Eclipse I saw a red "!" in my project name. 

Also I saw message "JRE version is 1.6.0; version 1.7.0 or later is needed to run Google Plugin for Eclipse."

However, I went to Window--> Preferences --> Java --> Installed JREs & I saw

jre6 -  C:\Java\jre6  - Standard VM

So Eclipse already got jre6 why it got that error?

Do you know how to fix?

[Thomas Broyer]

Yes, 1.6, that's what it tells you. And you need 1.7.

Also, this is the version of Java used to run Eclipse, not necessarily the one selected for your Eclipse project.

[Tom]

tNo, the message saying that JRE 6 or 7 & I got JRE 6 so it will be fine.

I just fixed & not sure it's ok. I right-click myProject--> Google-->Web ToolKit Setting-->Java Build Path --> "GWT SDK " --> click Edit--> select GWT 2.6.0

ANd now the error gone.

Only saw these warning:

[WARN] Server class 'org.eclipse.jetty.servlet.listener.ELContextCleaner' could not be found in the web app, but was found on the system classpath

   [WARN] Adding classpath entry 'file:/C:/Users/eclipse-jee-juno-SR1-win32-x86_64/eclipse/plugins/com.google.gwt.eclipse.sdkbundle_2.6.0/gwt-2.6.0/gwt-dev.jar' to the web app classpath for this session

   For additional info see: file:/C:/Users/henry/eclipse-jee-juno-SR1-win32-x86_64/eclipse/plugins/com.google.gwt.eclipse.sdkbundle_2.6.0/gwt-2.6.0/doc/helpInfo/webAppClassPath.html

This is a serious warning?

You said that we DO NOT need to deploy gwt-dev.jar so we don't need to include gwt-dev.jar into lib. Is that correct?

2nd before I used GWT2.5, but after reinstall GWT Now I saw GWT2.6 & Now I am using GWT 2.6 . GWT2.6 need Java 7 or Java 6 is OK?

I am using JRE 6 at this moment.

[Drew Spencer]

No dude, it doesn't say 6 or 7, it says "version 1.7.0 or later is needed to run Google Plugin for Eclipse."

I think you need the v7 JDK on your system path.

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[Tom]

That' right, I installed JRE 7 & now no error. 

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Drew Spencer

[Thomas Broyer]

On Tuesday, May 13, 2014 1:55:31 PM UTC+2, Tom wrote:

tNo, the message saying that JRE 6 or 7 & I got JRE 6 so it will be fine.

I just fixed & not sure it's ok. I right-click myProject--> Google-->Web ToolKit Setting-->Java Build Path --> "GWT SDK " --> click Edit--> select GWT 2.6.0

ANd now the error gone.

Only saw these warning:

[WARN] Server class 'org.eclipse.jetty.servlet.listener.ELContextCleaner' could not be found in the web app, but was found on the system classpath

   [WARN] Adding classpath entry 'file:/C:/Users/eclipse-jee-juno-SR1-win32-x86_64/eclipse/plugins/com.google.gwt.eclipse.sdkbundle_2.6.0/gwt-2.6.0/gwt-dev.jar' to the web app classpath for this session

   For additional info see: file:/C:/Users/henry/eclipse-jee-juno-SR1-win32-x86_64/eclipse/plugins/com.google.gwt.eclipse.sdkbundle_2.6.0/gwt-2.6.0/doc/helpInfo/webAppClassPath.html

This is a serious warning?

You said that we DO NOT need to deploy gwt-dev.jar so we don't need to include gwt-dev.jar into lib. Is that correct?

Yes; and you should update to 2.6.1 as it contains fixes around this warning.

(and no, it's apparently not yet available as an Eclipse plugin, and I have no idea when it'll be)

 

2nd before I used GWT2.5, but after reinstall GWT Now I saw GWT2.6 & Now I am using GWT 2.6 . GWT2.6 need Java 7 or Java 6 is OK?

IIRC, GWT 2.6 was planned to support Java 6 but actually needs Java 7. That's only about the GWT compiler though, you can use Java 6 on your server.

I haven't checked how GWT 2.6.1 was built and what it actually requires.

I am using JRE 6 at this moment.

Any reason for using an outdated and unsupported version? Why aren't you using the latest Java 7 or Java 8?

[Tom]

Thank you Thomas, I am using Java 7 now, I just afraid the incompatible problem, ie I afraid my GWT app  (previously built using JDK6 ) could have problem when running in JDK7.

[Tom]

i got gwt-dev.jar (the 2.5 version) in lib folder, now I just copy gwt-dev.jar of  2.6 version & I got no error. Thank you very much for your info.