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Date: Tue, 6 Dec 2011 21:43:57 -0800 (PST)
From: rakesh_bhalke <rakeshbhalke@gmail.com>
To: dev@click.apache.org
Message-ID: <1323236637847-7069479.post@n2.nabble.com>
Subject: URL Rewirting
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Hi,

Click JSImport and CSImport by default appends the context to the js and css
files. This causes issues in URL rewirting as follows

Lets say i have 1 application to be deployed for 3 customers. Each on these
is deployed on seperate tomcat instances. Hence the URL for each application
will look like this

http://internalip:8080/TestApp/
http://internalip.com:8081/TestApp/
http://internalip.com:8082/TestApp/

Now if my http server is front ending these tomcats then my URL rewrite will
be as 
http://myapp.com/TestApp1/  pointing to http://internalip:8080/TestApp/
http://myapp.com/TestApp2/  pointing to http://internalip:8081/TestApp/
http://myapp.com/TestApp3/  pointing to http://internalip:8082/TestApp/

Now if we see the html generated by click, it is 
/TestApp1/css/style.css  
/TestApp1/clickclick/jquery/jquery-1.3.2.js

 because of which URL rewriting fails.

Our analysis is as follows

Following code from JsImport which add context path in js file url.

public void setSrc(String src) {
        if (src != null) {
            if (src.charAt(0) == '/') {
                Context context = getContext();
                String contextPath = context.getRequest().getContextPath();

                // Guard against adding duplicate context path
                if (!src.startsWith(contextPath + '/')) {
                    HtmlStringBuffer buffer =
                        new HtmlStringBuffer(contextPath.length() +
src.length());

                    // Append the context path
                    buffer.append(contextPath);
                    buffer.append(src);
                    src = buffer.toString();
                }
            }
        }
        setAttribute("src", src);
    }

Our suggestion is to not append the context and to create a relative path
for JS and CSS imports.


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