Method evalScript

src/bsh/servlet/BshServlet.java:242–280

( 
		String script, StringBuffer scriptOutput, boolean captureOutErr,
		HttpServletRequest request, HttpServletResponse response )

	}

	Object evalScript( 
		String script, StringBuffer scriptOutput, boolean captureOutErr,
		HttpServletRequest request, HttpServletResponse response )
		throws EvalError
	{
		// Create a PrintStream to capture output
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		PrintStream pout = new PrintStream( baos );

		// Create an interpreter instance with a null inputstream,
		// the capture out/err stream, non-interactive 
		Interpreter bsh = new Interpreter( null, pout, pout, false );

		// set up interpreter
		bsh.set( "bsh.httpServletRequest", request );
		bsh.set( "bsh.httpServletResponse", response );
		
		// Eval the text, gathering the return value or any error.
		Object result = null;
		String error = null;
		PrintStream sout = System.out;
		PrintStream serr = System.err;
		if ( captureOutErr ) {
			System.setOut( pout );
			System.setErr( pout );
		}
		try { 
			// Eval the user text
			result = bsh.eval( script );
		} finally {
			if ( captureOutErr ) {
				System.setOut( sout );
				System.setErr( serr );
			}
		}
		pout.flush();
		scriptOutput.append( baos.toString() );
		return result;
	}

    /**
    * Convert special characters to entities for XML output