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authorKjetil Ørbekk <kjetil.orbekk@gmail.com>2012-02-07 10:09:13 +0100
committerKjetil Ørbekk <kjetil.orbekk@gmail.com>2012-02-07 10:09:13 +0100
commitc27be9ac861bb74f9be1ec375034d8d2ed0c35dc (patch)
tree108a4548f4b6bea9f0734b3033f12804b36a9ff2 /same
parent1cb9eb256a99d1fe8856f780efc952047ca904b5 (diff)
Improve StateServlet interface.
Diffstat (limited to 'same')
-rw-r--r--same/src/main/java/com/orbekk/same/http/StateServlet.java55
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>");
}
}