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[tor-commits] [metrics-web/release] Adds an ATOM feed for the News (Fixes: #23854)



commit 556fa300319e5cce3e224df1b79684c473e6be77
Author: Iain R. Learmonth <irl@xxxxxxxx>
Date:   Tue Mar 20 18:37:17 2018 +0000

    Adds an ATOM feed for the News (Fixes: #23854)
    
    This extends NewsServlet to have an ATOM output format, as well as the
    existing HTML output. A new JSP is used to serialize the output.
    
    The feed has been tested to be compatible with both Firefox and
    Thunderbird.
---
 .../org/torproject/metrics/web/NewsServlet.java    | 16 +++++
 .../org/torproject/metrics/web/UpdateNews.java     |  2 +-
 src/main/resources/web.xml                         |  1 +
 src/main/resources/web/jsps/news-atom.jsp          | 76 ++++++++++++++++++++++
 4 files changed, 94 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/torproject/metrics/web/NewsServlet.java b/src/main/java/org/torproject/metrics/web/NewsServlet.java
index 3bfb1b7..a5775dd 100644
--- a/src/main/java/org/torproject/metrics/web/NewsServlet.java
+++ b/src/main/java/org/torproject/metrics/web/NewsServlet.java
@@ -53,7 +53,15 @@ public class NewsServlet extends AnyServlet {
   @Override
   public void doGet(HttpServletRequest request,
       HttpServletResponse response) throws IOException, ServletException {
+    if (request.getRequestURI().endsWith("news.atom")) {
+      doGetAtom(request, response);
+    } else {
+      doGetHtml(request, response);
+    }
+  }
 
+  private void doGetHtml(HttpServletRequest request,
+      HttpServletResponse response) throws IOException, ServletException {
     /* Create categories based on current system time. */
     Map<String, String[]> cutOffDates = new LinkedHashMap<>();
     Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.US);
@@ -107,5 +115,13 @@ public class NewsServlet extends AnyServlet {
     request.getRequestDispatcher("WEB-INF/news.jsp").forward(request,
         response);
   }
+
+  private void doGetAtom(HttpServletRequest request,
+      HttpServletResponse response) throws IOException, ServletException {
+    request.setAttribute("news", this.sortedNews);
+    request.setAttribute("updated", this.sortedNews.get(0).getStart());
+    request.getRequestDispatcher("WEB-INF/news-atom.jsp").forward(request,
+        response);
+  }
 }
 
diff --git a/src/main/java/org/torproject/metrics/web/UpdateNews.java b/src/main/java/org/torproject/metrics/web/UpdateNews.java
index 3705d4a..b8c95d6 100644
--- a/src/main/java/org/torproject/metrics/web/UpdateNews.java
+++ b/src/main/java/org/torproject/metrics/web/UpdateNews.java
@@ -116,7 +116,7 @@ public class UpdateNews {
               continue;
             }
             entry.addLink(link.substring(link.indexOf(" ") + 1),
-              link.substring(0, link.indexOf(" ")));
+                link.substring(0, link.indexOf(" ")));
           }
         }
         entry.unknown = unknown;
diff --git a/src/main/resources/web.xml b/src/main/resources/web.xml
index a5c3212..9c83591 100644
--- a/src/main/resources/web.xml
+++ b/src/main/resources/web.xml
@@ -238,6 +238,7 @@
   </servlet>
   <servlet-mapping>
     <servlet-name>NewsServlet</servlet-name>
+    <url-pattern>/news.atom</url-pattern>
     <url-pattern>/news.html</url-pattern>
   </servlet-mapping>
 
diff --git a/src/main/resources/web/jsps/news-atom.jsp b/src/main/resources/web/jsps/news-atom.jsp
new file mode 100644
index 0000000..0c25b72
--- /dev/null
+++ b/src/main/resources/web/jsps/news-atom.jsp
@@ -0,0 +1,76 @@
+<%@ page contentType="text/xml" %><?xml version="1.0"?>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"; %>
+<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"; %>
+<feed xmlns="http://www.w3.org/2005/Atom";>
+  <title>Tor Project</title>
+  <subtitle>Metrics Timeline</subtitle>
+  <updated><c:out value="${updated}"/>T12:00:00Z</updated>
+  <link href="https://metrics.torproject.org/news.atom"; rel="self" />
+  <link href="https://metrics.torproject.org/news.html"; />
+  <id>https://metrics.torproject.org/news.atom</id>
+  <c:forEach var="entry" items="${news}">
+    <entry>
+      <title><c:out value="${entry.shortDescription}"/></title>
+      <updated><c:out value="${entry.start}"/>T12:00:00Z</updated>
+      <id>https://metrics.torproject.org/news.atom#<c:out value="${entry.start}"/><c:out value="${fn:substringBefore(entry.shortDescription, ' ')}"/>${fn:length(entry.shortDescription)}</id>
+      <content type="xhtml">
+        <div xmlns="http://www.w3.org/1999/xhtml";>
+          <dl>
+            <dt>Dates</dt>
+            <dd>
+              <c:choose>
+                <c:when test="${empty entry.start}">
+                  N/A
+                </c:when>
+                <c:when test="${entry.ongoing}">
+                  <c:out value="${entry.start}"/> to present
+                </c:when>
+                <c:when test="${empty entry.end}">
+                  <c:out value="${entry.start}"/>
+                </c:when>
+                <c:otherwise>
+                  <c:out value="${entry.start}"/> to
+                  <c:out value="${entry.end}"/>
+                </c:otherwise>
+              </c:choose>
+            </dd>
+            <c:if test="${not empty entry.placeNames}">
+              <dt>Places</dt>
+              <dd>
+                <c:forEach var="placeName" items="${entry.placeNames}">
+                  <c:out value="${placeName}"/>
+                </c:forEach>
+              </dd>
+            </c:if>
+            <c:if test="${not empty entry.protocols}">
+              <dt>Protocols</dt>
+              <dd>
+                <c:forEach var="protocol" items="${entry.protocols}">
+                  <c:out value="${protocol}"/>
+                </c:forEach>
+              </dd>
+            </c:if>
+            <c:if test="${entry.unknown}">
+              <dt>Unknown</dt>
+              <dd>Yes</dd>
+            </c:if>
+          </dl>
+          <c:if test="${not empty entry.links}">
+            <ul>
+              <c:forEach var="link" items="${entry.links}">
+                <li>
+                  <a href="<c:out value='${link.target}'/>">
+                    <c:out value="${link.label}"/>
+                  </a>
+                </li>
+              </c:forEach>
+            </ul>
+          </c:if>
+        </div>
+      </content>
+      <author>
+        <name>Tor Metrics</name>
+      </author>
+    </entry>
+  </c:forEach>
+</feed>



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