diff options
| author | Kjetil Ørbekk <kjetil.orbekk@gmail.com> | 2012-02-07 10:09:13 +0100 |
|---|---|---|
| committer | Kjetil Ørbekk <kjetil.orbekk@gmail.com> | 2012-02-07 10:09:13 +0100 |
| commit | c27be9ac861bb74f9be1ec375034d8d2ed0c35dc (patch) | |
| tree | 108a4548f4b6bea9f0734b3033f12804b36a9ff2 | |
| parent | 1cb9eb256a99d1fe8856f780efc952047ca904b5 (diff) | |
Improve StateServlet interface.
| -rw-r--r-- | same/src/main/java/com/orbekk/same/http/StateServlet.java | 55 |
1 files changed, 50 insertions, 5 deletions
diff --git a/same/src/main/java/com/orbekk/same/http/StateServlet.java b/same/src/main/java/com/orbekk/same/http/StateServlet.java index 0ca1682..fdb2eb9 100644 --- a/same/src/main/java/com/orbekk/same/http/StateServlet.java +++ b/same/src/main/java/com/orbekk/same/http/StateServlet.java @@ -3,6 +3,7 @@ package com.orbekk.same.http; import static com.orbekk.same.StackTraceUtil.throwableToString; import java.io.IOException; +import java.io.PrintWriter; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; @@ -17,6 +18,7 @@ import com.orbekk.same.UpdateConflict; public class StateServlet extends HttpServlet { private Logger logger = LoggerFactory.getLogger(getClass()); private Client.ClientInterface client; + private final static String TITLE = "State viewer"; public StateServlet(Client.ClientInterface client) { this.client = client; @@ -46,10 +48,53 @@ public class StateServlet extends HttpServlet { HttpServletResponse response) throws IOException { if ("set".equals(request.getParameter("action"))) { handleSetState(request, response); - } - - response.setContentType("text/plain; charset=utf8"); - response.getWriter().println(client.getState()); - response.setStatus(HttpServletResponse.SC_OK); + response.sendRedirect(request.getServletPath() + "?message=OK"); + } else { + response.setContentType("text/html; charset=utf8"); + writeHeader(response); + if (request.getParameter("message") != null) { + response.getWriter().println("<p>"); + response.getWriter().println(request.getParameter("message")); + } + writeState(response); + writeSetStateForm(response); + writeFooter(response); + response.setStatus(HttpServletResponse.SC_OK); + } + } + + private void writeState(HttpServletResponse response) throws IOException { + PrintWriter w = response.getWriter(); + w.println("<h2>State</h2>"); + w.println("<pre>"); + w.println(client.getState()); + w.println("</pre>"); + } + + private void writeSetStateForm(HttpServletResponse response) + throws IOException { + PrintWriter w = response.getWriter(); + w.println("<h3>Change state</h3>"); + w.println("<form name=\"stateInput\" action=\"\">"); + w.println("<p>Key: <input type=\"text\" name=\"key\" />"); + w.println("<p>Value: <input type=\"text\" name=\"value\" />"); + w.println("<input type=\"hidden\" name=\"action\" value=\"set\" />"); + w.println("<p><input type=\"submit\" value=\"Sumbit\" />"); + w.println("</form>"); + } + + private void writeHeader(HttpServletResponse response) throws IOException { + PrintWriter w = response.getWriter(); + w.println("<html>"); + w.println("<head>"); + w.println("<title>" + TITLE + "</title>"); + w.println("</head>"); + w.println("<body>"); + } + + private void writeFooter(HttpServletResponse response) throws IOException { + PrintWriter w = response.getWriter(); + w.println("</body>"); + w.println("</html>"); } } |