From 3f0d7c1ebef350624d17045a54adb3b43ec3abf4 Mon Sep 17 00:00:00 2001
From: Kjetil Orbekk <Kjetil Ørbekk orbekk@pvv.ntnu.no>
Date: Fri, 3 Sep 2010 18:18:54 -0400
Subject: Add ViewQuote servlet.

ViewQuote displays a single quote.
---
 src/WEB-INF/web.xml   | 10 ++++++++++
 src/lq/Printer.java   |  2 +-
 src/lq/QuoteUtil.java | 21 +++++++++++++++++++++
 src/lq/ViewQuote.java | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100644 src/lq/ViewQuote.java

diff --git a/src/WEB-INF/web.xml b/src/WEB-INF/web.xml
index 1955309..432d10a 100644
--- a/src/WEB-INF/web.xml
+++ b/src/WEB-INF/web.xml
@@ -46,6 +46,16 @@
     <url-pattern>/new_admin</url-pattern>
   </servlet-mapping>
 
+  <servlet>
+    <servlet-name>view_quote</servlet-name>
+    <servlet-class>lq.ViewQuote</servlet-class>
+  </servlet>
+
+  <servlet-mapping>
+    <servlet-name>view_quote</servlet-name>
+    <url-pattern>/view_quote</url-pattern>
+  </servlet-mapping>
+
   <welcome-file-list>
     <welcome-file>quotes.jsp</welcome-file>
   </welcome-file-list>
diff --git a/src/lq/Printer.java b/src/lq/Printer.java
index 1790a5b..7677450 100644
--- a/src/lq/Printer.java
+++ b/src/lq/Printer.java
@@ -12,7 +12,7 @@ public class Printer {
 
     public void printQuote(Quote quote) {
         out.println("<br>");
-        out.println("<a href=\"vote.jsp?id=" + quote.getId() + "\">" +
+        out.println("<a href=\"/view_quote?id=" + quote.getId() + "\">" +
             "#" + quote.getId() +
             "</a>"+
             ", lagt til av " + Strings.escape(quote.getAuthor()) + "<br>");
diff --git a/src/lq/QuoteUtil.java b/src/lq/QuoteUtil.java
index 5104cb0..72b94af 100644
--- a/src/lq/QuoteUtil.java
+++ b/src/lq/QuoteUtil.java
@@ -21,6 +21,27 @@ public class QuoteUtil {
         }
     }
 
+    public static Quote getQuoteWithId(Long id) {
+        PersistenceManager pm = PMF.get().getPersistenceManager(); 
+        try {
+            Query quoteQuery = pm.newQuery(Quote.class);
+            quoteQuery.setFilter("id == idParam");
+            quoteQuery.declareParameters("Long idParam");
+            List<Quote> quotes = (List<Quote>) quoteQuery.execute(id);
+            if (quotes.isEmpty()) {
+                return null;
+            }
+            else {
+                Quote result = quotes.get(0);
+                pm.retrieve(result);
+                return result;
+            }
+        }
+        finally {
+            pm.close();
+        }
+    }
+
     public static List<Quote> getQuotesPendingApproval() {
         PersistenceManager pm = PMF.get().getPersistenceManager(); 
         try {
diff --git a/src/lq/ViewQuote.java b/src/lq/ViewQuote.java
new file mode 100644
index 0000000..2575523
--- /dev/null
+++ b/src/lq/ViewQuote.java
@@ -0,0 +1,32 @@
+package lq;
+
+import java.io.IOException;
+import java.text.ParseException;
+import java.util.Date;
+import java.util.List;
+import javax.jdo.PersistenceManager;
+import javax.jdo.Query;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class ViewQuote extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws IOException {
+        String idParam = req.getParameter("id");
+        Long id = Long.parseLong(idParam);
+        Quote quote = QuoteUtil.getQuoteWithId(id);
+
+        resp.setContentType("text/html");
+
+        if (quote != null) {
+            Printer printer = new Printer(resp.getWriter());
+            printer.printQuote(quote);
+        }
+        else {
+            resp.getWriter().println("Quote not found."); 
+        }
+    }
+}
-- 
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