/* Show context number lines of string before and after target line. Add HTML formatting to bold the target line. */ String showScriptContextHTML(String s, int lineNo, int context) { StringBuffer sb = new StringBuffer(); BufferedReader br = new BufferedReader(new StringReader(s)); int beginLine = Math.max(1, lineNo - context); int endLine = lineNo + context; for (int i = 1; i <= lineNo + context + 1; i++) { if (i < beginLine) { try { br.readLine(); } catch (IOException e) { throw new RuntimeException(e.toString()); } continue; } if (i > endLine) break; String line; try { line = br.readLine(); } catch (IOException e) { throw new RuntimeException(e.toString()); } if (line == null) break; if (i == lineNo) sb.append("<font color=\"red\">" + i + ": " + line + "</font><br/>"); else sb.append(i + ": " + line + "<br/>"); } return sb.toString(); }
/** Convert special characters to entities for XML output */ public static String escape(String value) { String search = "&<>"; String[] replace = {"&", "<", ">"}; StringBuffer buf = new StringBuffer(); for (int i = 0; i < value.length(); i++) { char c = value.charAt(i); int pos = search.indexOf(c); if (pos < 0) buf.append(c); else buf.append(replace[pos]); } return buf.toString(); }
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; }
private static String getBody(HttpServletRequest req) { try { // Try reading the post body using characters. // This might throw an exception if something on the // server side already called getInputStream(). // In that case we'll pull as bytes. Reader reader = null; try { reader = new BufferedReader(req.getReader()); } catch (IOException e) { reader = new BufferedReader(new InputStreamReader(req.getInputStream(), "UTF-8")); } StringBuffer sbuf = new StringBuffer(); char[] cbuf = new char[4096]; int count = 0; while ((count = reader.read(cbuf)) != -1) { sbuf.append(cbuf, 0, count); } return sbuf.toString(); } catch (IOException e2) { throw new ServerProblemException("IOException in reading POST body: " + e2.getMessage()); } }
/** * String Representation incl. Result * * @return Scipt */ @Override public String toString() { StringBuffer sb = new StringBuffer(m_variable); sb.append(" { ").append(m_script).append(" } = ").append(getResult(true)); return sb.toString(); } // toString