Add issue search command

src/com/md87/charliebravo/InputHandler.java

@@ -42,6 +42,7 @@ import com.md87.charliebravo.commands.GitCommand;
 import com.md87.charliebravo.commands.GoogleCommand;
 import com.md87.charliebravo.commands.HelpCommand;
 import com.md87.charliebravo.commands.IssueCommand;
+import com.md87.charliebravo.commands.IssueSearchCommand;
 import com.md87.charliebravo.commands.NewzbinCommand;
 import com.md87.charliebravo.commands.QuitCommand;
 import com.md87.charliebravo.commands.ReloadCommand;
@@ -97,6 +98,7 @@ public class InputHandler implements ChannelMessageListener, PrivateMessageListe
         // commands.add(new DefineCommand()); - broken
         commands.add(new LawCommand());
         //commands.add(new QuoteCommand()); - broken
+        commands.add(new IssueSearchCommand());
     }
 
     public Config getConfig() {

src/com/md87/charliebravo/commands/IssueSearchCommand.java

@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2009-2010 Chris Smith
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.md87.charliebravo.commands;
+
+import com.dmdirc.util.Downloader;
+import com.md87.charliebravo.Command;
+import com.md87.charliebravo.Followup;
+import com.md87.charliebravo.InputHandler;
+import com.md87.charliebravo.Response;
+import java.net.URLEncoder;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ *
+ * @author chris
+ */
+public class IssueSearchCommand implements Command {
+
+    public void execute(InputHandler handler, Response response, String line) throws Exception {
+        final List<String> result = Downloader.getPage("http://jira.dmdirc.com/secure/IssueNavigator.jspa?reset=true&view=rss&jqlQuery="
+                + URLEncoder.encode(line, Charset.defaultCharset().name()));
+        final StringBuilder builder = new StringBuilder();
+
+        for (String resline : result) {
+            builder.append(resline);
+        }
+
+        final Pattern pattern = Pattern.compile("<item>(.*?)</item>", Pattern.DOTALL);
+        final Matcher matcher = pattern.matcher(builder);
+        final List<String[]> matches = new ArrayList<String[]>();
+        
+        while (matcher.find()) {
+            final String content = matcher.group(1);
+        
+            final Pattern titlePattern = Pattern.compile("<title>(.*?)</title>");
+            final Matcher titleMatcher = titlePattern.matcher(content);
+            titleMatcher.find();
+            final String title = titleMatcher.group(1);
+            
+            final Pattern linkPattern = Pattern.compile("<link>(.*?)</link>");
+            final Matcher linkMatcher = linkPattern.matcher(content);
+            linkMatcher.find();
+            final String link = linkMatcher.group(1);
+            
+            final Pattern keyPattern = Pattern.compile("<key.*?>(.*?)</key>");
+            final Matcher keyMatcher = keyPattern.matcher(content);
+            keyMatcher.find();
+            final String key = keyMatcher.group(1);
+            
+            matches.add(new String[] { title, link, key });
+        }
+        
+        response.sendMessage("there "
+                + (matches.size() == 1 ? "was 1 result" : "were " + matches.size() + " results")
+                + " for that query."
+                + (matches.isEmpty() ? "" :
+                    (matches.size() == 1 ? " It is: " : " The first result is: ")
+                    + formatResult(matches.get(0))));
+        
+        if (!matches.isEmpty()) {
+            response.addFollowup(new NextFollowup(matches, 1));
+            response.addFollowup(new DetailsFollowup(matches.get(0)[2]));
+        }
+    }
+    
+    protected static String formatResult(final String[] args) {
+        return args[0] + " (" + args[1] + ")";
+    }
+
+    protected static class NextFollowup implements Followup {
+
+        private final int offset;
+        private final List<String[]> data;
+
+        public NextFollowup(List<String[]> data, int offset) {
+            this.data = data;
+            this.offset = offset;
+        }
+
+        public boolean matches(String line) {
+            return "next".equalsIgnoreCase(line);
+        }
+
+        public void execute(InputHandler handler, Response response, String line) throws Exception {
+            if (offset >= data.size()) {
+                response.setInheritFollows(true);
+                response.sendMessage("There are no more results", true);
+            } else {
+                response.sendMessage("result " + (1 + offset) + " is: " + formatResult(data.get(offset)));
+                response.addFollowup(new DetailsFollowup(data.get(offset)[2]));
+                response.addFollowup(new NextFollowup(data, offset + 1));
+            }
+        }
+
+    }
+    
+    protected static class DetailsFollowup implements Followup {
+
+        private final String key;
+
+        public DetailsFollowup(String key) {
+            this.key = key;
+        }
+
+        public boolean matches(String line) {
+            return "details".equalsIgnoreCase(line);
+        }
+
+        public void execute(InputHandler handler, Response response, String line) throws Exception {
+            response.setInheritFollows(true);
+            new IssueCommand().execute(handler, response, key);
+        }
+
+    }
+
+}