Author: snoopdave
Date: Wed Sep 5 05:23:11 2007
New Revision: 572938
URL: http://svn.apache.org/viewvc?rev=572938&view=rev
Log:
Oops, forgot to commit the most important part or ROL-1545, the TagDataServlet
http://opensource.atlassian.com/projects/roller/browse/ROL-1545
Added:
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/webservices/tagdata/
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/webservices/tagdata/TagDataServlet.java
Modified:
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/business/MultiWeblogURLStrategy.java
Modified:
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/business/MultiWeblogURLStrategy.java
URL:
http://svn.apache.org/viewvc/roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/business/MultiWeblogURLStrategy.java?rev=572938&r1=572937&r2=572938&view=diff
==============================================================================
---
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/business/MultiWeblogURLStrategy.java
(original)
+++
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/business/MultiWeblogURLStrategy.java
Wed Sep 5 05:23:11 2007
@@ -346,11 +346,13 @@
}
// json tags service base
- url.append("/roller-services/tagdata/weblog/");
+ url.append("/roller-services/tagdata/");
// is this for a specific weblog or site-wide?
if (weblog != null) {
- url.append(weblog.getHandle()).append("/");
+ url.append("/weblog/");
+ url.append(weblog.getHandle());
+ url.append("/");
}
if (pageNum > 0) {
@@ -361,3 +363,5 @@
}
}
+
+
Added:
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/webservices/tagdata/TagDataServlet.java
URL:
http://svn.apache.org/viewvc/roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/webservices/tagdata/TagDataServlet.java?rev=572938&view=auto
==============================================================================
---
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/webservices/tagdata/TagDataServlet.java
(added)
+++
roller/branches/roller_4.1_dev/apps/weblogger/src/java/org/apache/roller/weblogger/webservices/tagdata/TagDataServlet.java
Wed Sep 5 05:23:11 2007
@@ -0,0 +1,177 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. The ASF licenses this file to You
+ * under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License. For additional information regarding
+ * copyright in this work, please see the NOTICE file in the top level
+ * directory of this distribution.
+ */
+package org.apache.roller.weblogger.webservices.tagdata;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.apache.roller.weblogger.WebloggerException;
+import org.apache.roller.weblogger.business.URLStrategy;
+import org.apache.roller.weblogger.business.WeblogEntryManager;
+import org.apache.roller.weblogger.business.Weblogger;
+import org.apache.roller.weblogger.business.WebloggerFactory;
+import org.apache.roller.weblogger.business.WeblogManager;
+import org.apache.roller.weblogger.config.WebloggerConfig;
+import org.apache.roller.weblogger.config.WebloggerRuntimeConfig;
+import org.apache.roller.weblogger.pojos.TagStat;
+import org.apache.roller.weblogger.pojos.Weblog;
+import org.apache.roller.weblogger.util.Utilities;
+
+
+/**
+ * Return tag statistics in JSON or Atom Category format.
+ * @author Elias Torres (<a href="mailto:[EMAIL PROTECTED]">[EMAIL
PROTECTED]</a>)
+ * @author Dave Johnson (<a href="mailto:[EMAIL PROTECTED]">[EMAIL
PROTECTED]</a>)
+ */
+public class TagDataServlet extends HttpServlet {
+
+ private final int MAX =
WebloggerConfig.getIntProperty("services.tagdata.max", 30);
+
+
+ protected void doPost(
+ HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+ doGet(request, response);
+ }
+
+
+ public void doGet(
+ HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+
+ String[] pathInfo = new String[0];
+ boolean siteWide = true;
+ String handle = null;
+ String prefix = null;
+ String format = "json";
+ int page = 0;
+
+ if (request.getPathInfo() != null) {
+ pathInfo =
Utilities.stringToStringArray(request.getPathInfo(),"/");
+ }
+ if (pathInfo.length == 0) {
+ siteWide = true;
+ // we'll use the front-page weblog to form URLs
+ handle =
WebloggerRuntimeConfig.getProperty("site.frontpage.weblog.handle");
+ } else if (pathInfo.length == 2 && "weblog".equals(pathInfo[0])) {
+ siteWide = false;
+ handle = pathInfo[1];
+ } else {
+ response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Malformed
URL");
+ return;
+ }
+ prefix = request.getParameter("prefix");
+ if (request.getParameter("format") != null) {
+ format = request.getParameter("format");
+ }
+ try {
+ page = Integer.parseInt(request.getParameter("page"));
+ } catch (Exception ignored) {}
+
+ Weblogger roller = WebloggerFactory.getWeblogger();
+ List tags = null;
+ Weblog weblog = null;
+ try {
+ WeblogManager wmgr = roller.getWeblogManager();
+ WeblogEntryManager emgr = roller.getWeblogEntryManager();
+ weblog = wmgr.getWeblogByHandle(handle);
+ // get tags, if site-wide then don't specify weblog
+ tags = emgr.getTags(siteWide ? null : weblog, null, prefix, page *
MAX, MAX + 1);
+
+ } catch (WebloggerException we) {
+ response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"ERROR fetching tags");
+ return;
+ }
+
+ if ("json".equals(format)) {
+ response.setContentType("application/json; charset=utf-8");
+ PrintWriter pw = response.getWriter();
+ pw.println("{");
+ pw.print(" prefix : \"");
+ pw.print(prefix == null ? "" : prefix);
+ pw.println("\",");
+ pw.print(" weblog : \"");
+ pw.print(!siteWide ? handle : "");
+ pw.println("\",");
+ pw.println(" tagcounts : [");
+ int count = 0;
+ for (Iterator it = tags.iterator(); it.hasNext();) {
+ TagStat stat = (TagStat) it.next();
+ pw.print(" { tag : \"");
+ pw.print(stat.getName());
+ pw.print("\", ");
+ pw.print("count : ");
+ pw.print(stat.getCount());
+ pw.print(" }");
+ if (it.hasNext()) {
+ pw.println(", ");
+ }
+ if (count++ > MAX) break;
+ }
+ pw.println("\n ]\n}");
+ response.flushBuffer();
+
+ } else if ("xml".equals(format)) {
+ URLStrategy urlstrat = roller.getUrlStrategy();
+ response.setContentType("application/tagdata+xml; charset=utf-8");
+ PrintWriter pw = response.getWriter();
+ pw.println("<categories fixed=\"no\" ");
+ pw.println(" xmlns=\"http://www.w3.org/2007/app\"";);
+ pw.println(" xmlns:atom=\"http://www.w3.org/2005/Atom\"";);
+ pw.println("
xmlns:tagdata=\"http://roller.apache.org/ns/tagdata\";>");
+ int count = 0;
+ for (Iterator it = tags.iterator(); it.hasNext();) {
+ TagStat stat = (TagStat) it.next();
+ String term = stat.getName();
+ String viewURI = urlstrat.getWeblogCollectionURL(weblog,
+ null, // locale
+ null, // category
+ null, // date string
+ Collections.singletonList(stat.getName()),
+ 0, // page
+ true); // absolute
+ int frequency = stat.getCount();
+ pw.print("<atom:category term=\"" + term + "\"
tagdata:frequency=\"" + frequency + "\" ");
+ pw.println("tagdata:href=\"" + viewURI + "\" />");
+ if (count++ > MAX) break;
+ }
+ if (tags.size() > MAX) {
+ // get next URI, if site-wide then don't specify weblog
+ String nextURI = urlstrat.getWeblogTagsJsonURL(weblog, true,
page + 1);
+ pw.println("<atom:link rel=\"next\" href=\"" + nextURI + "\"
/>");
+ }
+ if (page > 0) {
+ // get prev URI, if site-wide then don't specify weblog
+ String prevURI = urlstrat.getWeblogTagsJsonURL(weblog, true,
page - 1);
+ pw.println("<atom:link rel=\"previous\" href=\"" + prevURI +
"\" />");
+ }
+ pw.println("</categories>");
+ response.flushBuffer();
+ } else {
+ response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Malformed
URL");
+ return;
+ }
+ }
+}
+
