New job option:Mention Everyone For Failure.

src/main/java/jenkins/plugins/hipchat/ActiveNotifier.java

@@ -70,6 +70,10 @@ public void completed(AbstractBuild r) {
                 || (result == Result.UNSTABLE && jobProperty.getNotifyUnstable())) {
             getHipChat(r).publish(getBuildStatusMessage(r), getBuildColor(r));
         }
+
+	if ((result == Result.FAILURE || result == Result.UNSTABLE) && jobProperty.getMentionAll()) {
+            getHipChat(r).publish("@all " + r.getProject().getDisplayName() +  " failed. Fix it ASAP!!! Stop pushing until it comes back to normal!!!.", "red", "text");
+        }
     }
 
     String getChanges(AbstractBuild r) {

src/main/java/jenkins/plugins/hipchat/HipChatNotifier.java

@@ -144,6 +144,7 @@ public static class HipChatJobProperty extends hudson.model.JobProperty<Abstract
         private boolean notifyUnstable;
         private boolean notifyFailure;
         private boolean notifyBackToNormal;
+        private boolean mentionAll;
 
 
         @DataBoundConstructor
@@ -154,7 +155,8 @@ public HipChatJobProperty(String room,
                                   boolean notifyNotBuilt,
                                   boolean notifySuccess,
                                   boolean notifyUnstable,
-                                  boolean notifyBackToNormal) {
+                                  boolean notifyBackToNormal,
+                                  boolean mentionAll) {
             this.room = room;
             this.startNotification = startNotification;
             this.notifyAborted = notifyAborted;
@@ -163,6 +165,7 @@ public HipChatJobProperty(String room,
             this.notifySuccess = notifySuccess;
             this.notifyUnstable = notifyUnstable;
             this.notifyBackToNormal = notifyBackToNormal;
+            this.mentionAll = mentionAll;
         }
 
         @Exported
@@ -219,6 +222,11 @@ public boolean getNotifyBackToNormal() {
             return notifyBackToNormal;
         }
 
+        @Exported
+        public boolean getMentionAll() {
+            return mentionAll;
+        }
+
         @Extension
         public static final class DescriptorImpl extends JobPropertyDescriptor {
             public String getDisplayName() {
@@ -239,7 +247,8 @@ public HipChatJobProperty newInstance(StaplerRequest sr, JSONObject formData) th
                         sr.getParameter("hipChatNotifyNotBuilt") != null,
                         sr.getParameter("hipChatNotifySuccess") != null,
                         sr.getParameter("hipChatNotifyUnstable") != null,
-                        sr.getParameter("hipChatNotifyBackToNormal") != null);
+                        sr.getParameter("hipChatNotifyBackToNormal") != null,
+                        sr.getParameter("hipChatMentionAll") != null);
             }
         }
     }

src/main/java/jenkins/plugins/hipchat/HipChatService.java

@@ -4,4 +4,6 @@ public interface HipChatService {
     void publish(String message);
 
     void publish(String message, String color);
+
+    void publish(String message, String color, String message_format);
 }

src/main/java/jenkins/plugins/hipchat/StandardHipChatService.java

@@ -31,6 +31,10 @@ public void publish(String message) {
     }
 
     public void publish(String message, String color) {
+        publish(message,color,"html");
+    }
+
+    public void publish(String message, String color, String message_format) {
         for (String roomId : roomIds) {
             logger.info("Posting: " + from + " to " + roomId + ": " + message + " " + color);
             HttpClient client = getHttpClient();
@@ -43,6 +47,7 @@ public void publish(String message, String color) {
                 post.addParameter("message", message);
                 post.addParameter("color", color);
                 post.addParameter("notify", shouldNotify(color));
+                post.addParameter("message_format",message_format);
                 post.getParams().setContentCharset("UTF-8");
                 int responseCode = client.executeMethod(post);
                 String response = post.getResponseBodyAsString();

src/main/resources/jenkins/plugins/hipchat/HipChatNotifier/HipChatJobProperty/config.jelly

@@ -33,6 +33,10 @@
             <f:checkbox name="hipChatNotifyBackToNormal" value="true" checked="${instance.getNotifyBackToNormal()}"/>
         </f:entry>
 
+        <f:entry title="Mention Everyone For Failure">
+            <f:checkbox name="hipChatMentionAll" value="true" checked="${instance.getMentionAll()}"/>
+        </f:entry>
+
     </f:section>
 
 </j:jelly>