[jira] Created: (CHAIN-47) WebContext, ServletWebContext should be interfaces.

[ori (JIRA)]

WebContext, ServletWebContext should be interfaces.
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                 Key: CHAIN-47
                 URL: https://issues.apache.org/jira/browse/CHAIN-47
             Project: Commons Chain
          Issue Type: Improvement
    Affects Versions: 1.1, 1.0, 1.2
         Environment: n/a
            Reporter: ori


WebContext should not be an abstract class.  ServletWebContext should not be a 
concrete class. 

Different applications may want to have different base implementations of 
context but still have WebContext methods. A perfect example is in Struts 1.3: 
WebActionContext and ServletActionContext duplicate many of the methods in 
their chain equivalents without adhering to a common interface.

I use the classes below in my application. Most Commons projects do not use the 
"IXxxx"  interface naming convention but I had no choice here.

public interface IWebContext extends Context
{
    public Map getApplicationScope();

    public Map<String, String> getHeader();

    public Map<String, String[]> getHeaderValues();

    public Map<String, String> getInitParam();

    public Map<String, String> getParam();

    public Map<String, String[]> getParamValues();

    public Map getRequestScope();

    public Map getSessionScope();
}

public interface IServletWebContext extends IWebContext
{
    public ServletContext getContext();

    public Map<String, Cookie> getCookies();

    public Cookie deleteCookie( final String cookieName );

    public HttpServletRequest getRequest();

    public HttpServletResponse getResponse();
}

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