Re: [Php-java-bridge-users] PHP script question

  On 9/14/2010 1:03 PM, php...@li... wrote:

Darn, I misspoke, see correction below... Marc
>    On 9/12/2010 3:48 AM, php...@li...  wrote:
>> Hi again,
>>
>> insert a
>> 	
>>     instance.getEngine().setContext(new
>> PhpCompiledHttpScriptContext(instance.getEngine().getContext(),this,application,request,response));
>>
>> before calling instance.eval(). Otherwise JSR223 will use the default
>> context, which isn't very usable in a web-context.
> Hi Jost -  Hmmmm  since the method evalPHP, as you sent it to me in your
> previous email, is declared private static final, one cannot use the
> 'this' parameter. Do you see any problem with removing the static final
> from the declaration? That allows this to be called in the context of
> the instance of the servlet that is running. But doing so will then
OOPS! I meant this to say -
> cause the parameters of PhpCompiledHttpScriptContext
> - application, request, and response to be undefined since this code is within the Declaration section of the
> servlet. I think the application parameter can be retrieved via a call
> to this.getServletContext(), but the only way to get the request and
> response parameters will be to pass them in to the evalPHP method.  Do
> you concur? I am thinking the following -
>
> private String evalPHP(String arg, HttpServletRequest request,
> HttpServletResponse response) {
>       CompiledScript instance =
> (CompiledScript)((java.security.cert.CertStoreParameters)script).clone();
>       instance.getEngine().put("script", arg);
>       OutputStream out = new ByteArrayOutputStream();
>       Writer writer = new OutputStreamWriter(out);
>       instance.getEngine().getContext().setWriter(writer);
>       instance.getEngine().setContext((ScriptContext)new
>
> PhpCompiledHttpScriptContext(instance.getEngine().getContext(),this,this.getServletContext(),request,response));
>       try {
>           instance.eval();
>
>       } catch (ScriptException e) {
>           throw new RuntimeException("bleh!");
>       }
>       try {
>            writer.close();
>       } catch (IOException e) {
>           throw new RuntimeException("bleh!");
>       }
>       String result = out.toString();
>      return result;
> }
>
>
> I have gone ahead and tried this, and it almost got me to what I want.
> But one problem remains and I don't grok the code enough to be able to
> solve on my own, so need a bit more guidance. The PHP script that I want
> to embed in the middle of a Javascript section generates a line of
> Javascript that I want the servlet to write back out, at the point where
> the call to evalPHP is made. But when I execute this jsp servlet, the
> generated Javascript from the PHP script is being put out at the very
> beginning of the document. (I was also surprised that the return result
> from evalPHP is null....)
>
>      Thanks again for all your help!   Marc...
>
>
>