import dolda.jsvc.*;
import dolda.jsvc.util.*;
+import dolda.jsvc.next.*;
+import org.w3c.dom.*;
import java.io.*;
import bsh.Interpreter;
-public class ShellPage extends SimpleWriter {
- private static class Console implements bsh.ConsoleInterface {
- ByteArrayOutputStream obuf = new ByteArrayOutputStream();
- ByteArrayOutputStream ebuf = new ByteArrayOutputStream();
- Reader in = new StringReader("");
- PrintStream out;
- PrintStream err;
- {
- try {
- out = new PrintStream(obuf, false, "UTF-8");
- err = new PrintStream(ebuf, false, "UTF-8");
- } catch(UnsupportedEncodingException e) {
- throw(new Error(e));
- }
- }
-
- public void error(Object msg) {
- getErr().println(msg);
- }
-
- public void print(Object o) {
- getOut().print(o);
- }
-
- public void println(Object o) {
- getOut().println(o);
- }
-
- public PrintStream getOut() {
- return(out);
- }
-
- public PrintStream getErr() {
- return(err);
- }
-
- public Reader getIn() {
- return(in);
- }
- }
+public class ShellPage implements Responder {
+ private Console cons = new Console();
+ private Interpreter ip = new Interpreter(cons);
- public void respond(Request req, PrintWriter out) {
+ public void respond(Request req) {
MultiMap<String, String> params = req.params();
String cmd = params.get("cmd");
- out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
- out.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
- out.println("<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en-US\">");
- out.println("<head>");
- out.println("<title>Shell</title>");
- out.println("<link rel=\"stylesheet\" type=\"text/css\" href=\"css\" />");
- out.println("</head>");
- out.println("<body>");
- out.println("<h1>Shell</h1>");
+ Html buf = Html.xhtml11("Shell");
+ buf.addcss("css", null);
+ buf.insert("body", buf.el("h1", buf.text("Shell")));
+
if((req.method() == "POST") && (cmd != null)) {
- Console cons = new Console();
- Interpreter ip = new Interpreter(cons);
- Object resp;
- try {
- ip.set("req", req);
- resp = ip.eval(cmd);
- out.println("<pre>");
- out.println(Misc.htmlq((resp == null)?"(null)":(resp.toString())));
- out.println("</pre>");
- } catch(bsh.EvalError exc) {
- out.println("<h2>Evaluation error</h2>");
- out.println("<pre>");
- out.print(exc.toString());
- out.println("</pre>");
- if(exc instanceof bsh.TargetError) {
- bsh.TargetError te = (bsh.TargetError)exc;
- out.println("<h3>Target error</h3>");
- out.println("<pre>");
- te.getTarget().printStackTrace(out);
- out.println("</pre>");
+ String eo, ee;
+ synchronized(cons) {
+ cons.reset();
+ Object resp;
+ try {
+ ip.set("req", req);
+ resp = ip.eval(cmd);
+ buf.insert("body", buf.el("pre", buf.text((resp == null)?"(null)":(resp.toString()))));
+ } catch(bsh.EvalError exc) {
+ buf.insert("body", buf.el("h2", buf.text("Evaluation error")));
+ buf.insert("body", buf.el("pre", buf.text(exc.toString())));
+ if(exc instanceof bsh.TargetError) {
+ bsh.TargetError te = (bsh.TargetError)exc;
+ buf.insert("body", buf.el("h3", buf.text("Target error")));
+ StringWriter sbuf = new StringWriter();
+ te.getTarget().printStackTrace(new PrintWriter(sbuf));
+ buf.insert("body", buf.el("pre", buf.text(sbuf.toString())));
+ }
}
+ eo = new String(cons.obuf.toByteArray(), Misc.utf8);
+ ee = new String(cons.ebuf.toByteArray(), Misc.utf8);
}
- String eo = new String(cons.obuf.toByteArray(), Misc.utf8);
- String ee = new String(cons.ebuf.toByteArray(), Misc.utf8);
- cons = null;
if(eo.length() > 0) {
- out.println("<h2>Output</h2>");
- out.println("<pre>");
- out.println(Misc.htmlq(eo));
- out.println("</pre>");
+ buf.insert("body", buf.el("h2", buf.text("Output")));
+ buf.insert("body", buf.el("pre", buf.text(eo)));
}
if(ee.length() > 0) {
- out.println("<h2>Errors</h2>");
- out.println("<pre>");
- out.println(Misc.htmlq(ee));
- out.println("</pre>");
+ buf.insert("body", buf.el("h2", buf.text("Errors")));
+ buf.insert("body", buf.el("pre", buf.text(ee)));
}
}
- out.println("<form action=\"sh\" method=\"post\">");
- out.println("<textarea cols=\"80\" rows=\"5\" name=\"cmd\">");
- if(cmd != null)
- out.print(cmd);
- out.println("</textarea>");
- out.println("<input type=\"submit\" value=\"Evaluate\" />");
- out.println("<input type=\"reset\" value=\"Reset\" />");
- out.println("</form>");
- out.println("</body>");
- out.println("</html>");
+
+ Element form;
+ buf.insert("body", buf.el("form", form = buf.el("p", null), "action=sh", "method=post"));
+ form.appendChild(buf.el("textarea", buf.text(cmd), "cols=80", "rows=5", "name=cmd"));
+ form.appendChild(buf.el("input", null, "type=submit", "value=Evaluate"));
+ form.appendChild(buf.el("input", null, "type=reset", "value=Reset"));
+ try {
+ buf.output(req);
+ } catch(IOException e) {
+ throw(new RuntimeException(e));
+ }
}
}
Dolda2000 GitWeb / jsvc.git / blobdiff