Fix checkstyle errors in XMPP sample.

appengine/xmpp/src/main/java/com/example/appengine/xmpp/ErrorServlet.java

@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright 2016 Google Inc. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,30 +16,32 @@
 
 package com.example.appengine.xmpp;
 
+import com.google.common.io.ByteStreams;
+
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.logging.Logger;
+
 import javax.servlet.ServletInputStream;
-import javax.servlet.http.*;
-import com.google.common.io.ByteStreams;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 // [START example]
 @SuppressWarnings("serial")
 public class ErrorServlet extends HttpServlet {
+  private static final Logger log = Logger.getLogger(ErrorServlet.class.getName());
 
-   private static final Logger log = Logger.getLogger(ErrorServlet.class.getName());
-
-    @Override
-    public void doPost(HttpServletRequest req, HttpServletResponse res)
-          throws IOException {
-
-        // Parse the POST data, which is sent as a MIME stream containing the stanza.
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        ServletInputStream inputStream = req.getInputStream();
-        ByteStreams.copy(inputStream, baos);
+  @Override
+  public void doPost(HttpServletRequest req, HttpServletResponse res)
+      throws IOException {
+    // Parse the POST data, which is sent as a MIME stream containing the stanza.
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    ServletInputStream inputStream = req.getInputStream();
+    ByteStreams.copy(inputStream, baos);
 
-        // Log the error
-        log.warning("Error stanza received: " + baos.toString());
-    }
+    // Log the error
+    log.warning("Error stanza received: " + baos.toString());
+  }
 }
 // [END example]

appengine/xmpp/src/main/java/com/example/appengine/xmpp/MessageReceiverServlet.java

@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright 2016 Google Inc. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,32 +16,35 @@
 
 package com.example.appengine.xmpp;
 
-import java.io.IOException;
-import java.util.logging.Logger;
-import javax.servlet.http.*;
 import com.google.appengine.api.xmpp.JID;
 import com.google.appengine.api.xmpp.Message;
 import com.google.appengine.api.xmpp.XMPPService;
 import com.google.appengine.api.xmpp.XMPPServiceFactory;
 
+import java.io.IOException;
+import java.util.logging.Logger;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 // [START example]
 @SuppressWarnings("serial")
 public class MessageReceiverServlet extends HttpServlet {
+  private static final Logger log = Logger.getLogger(MessageReceiverServlet.class.getName());
 
-   private static final Logger log = Logger.getLogger(MessageReceiverServlet.class.getName());
-
-    @Override
-    public void doPost(HttpServletRequest req, HttpServletResponse res)
-          throws IOException {
+  @Override
+  public void doPost(HttpServletRequest req, HttpServletResponse res)
+      throws IOException {
 
-        XMPPService xmpp = XMPPServiceFactory.getXMPPService();
-        Message message = xmpp.parseMessage(req);
+    XMPPService xmpp = XMPPServiceFactory.getXMPPService();
+    Message message = xmpp.parseMessage(req);
 
-        JID fromJid = message.getFromJid();
-        String body = message.getBody();
+    JID fromJid = message.getFromJid();
+    String body = message.getBody();
 
-        log.info("Received a message with id: " + fromJid + " and body: " + body);
-        // ...
-    }
+    log.info("Received a message with id: " + fromJid + " and body: " + body);
+    // ...
+  }
 }
 // [END example]

appengine/xmpp/src/main/java/com/example/appengine/xmpp/MessageSenderServlet.java

@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright 2016 Google Inc. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,43 +16,47 @@
 
 package com.example.appengine.xmpp;
 
-import java.io.IOException;
-import java.util.logging.Logger;
-import javax.servlet.http.*;
 import com.google.appengine.api.xmpp.JID;
 import com.google.appengine.api.xmpp.Message;
 import com.google.appengine.api.xmpp.MessageBuilder;
 import com.google.appengine.api.xmpp.SendResponse;
 import com.google.appengine.api.xmpp.XMPPService;
 import com.google.appengine.api.xmpp.XMPPServiceFactory;
 
+import java.io.IOException;
+import java.util.logging.Logger;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 // [START example]
 @SuppressWarnings("serial")
 public class MessageSenderServlet extends HttpServlet {
+  private static final Logger log = Logger.getLogger(MessageSenderServlet.class.getName());
 
-   private static final Logger log = Logger.getLogger(MessageSenderServlet.class.getName());
-
-    @Override
-    public void doGet(HttpServletRequest req, HttpServletResponse res)
-          throws IOException {
+  @Override
+  public void doGet(HttpServletRequest req, HttpServletResponse res)
+      throws IOException {
 
-        JID jid = new JID("example@gmail.com");
-        String msgBody = "Someone has sent you a gift on Example.com. To view: http://example.com/gifts/";
-        Message msg = new MessageBuilder()
+    JID jid = new JID("example@gmail.com");
+    String msgBody = "Someone has sent you a gift on Example.com. To view: http://example.com/gifts/";
+    Message msg =
+        new MessageBuilder()
             .withRecipientJids(jid)
             .withBody(msgBody)
             .build();
 
-        boolean messageSent = false;
-        XMPPService xmpp = XMPPServiceFactory.getXMPPService();
-        SendResponse status = xmpp.sendMessage(msg);
-        messageSent = (status.getStatusMap().get(jid) == SendResponse.Status.SUCCESS);
+    boolean messageSent = false;
+    XMPPService xmpp = XMPPServiceFactory.getXMPPService();
+    SendResponse status = xmpp.sendMessage(msg);
+    messageSent = (status.getStatusMap().get(jid) == SendResponse.Status.SUCCESS);
 
-        log.info("Message sent? " + messageSent);
+    log.info("Message sent? " + messageSent);
 
-        if (!messageSent) {
-            // Send an email message instead...
-        }
+    if (!messageSent) {
+      // Send an email message instead...
     }
+  }
 }
 // [END example]

appengine/xmpp/src/main/java/com/example/appengine/xmpp/PresenceServlet.java

@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright 2016 Google Inc. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,35 +16,42 @@
 
 package com.example.appengine.xmpp;
 
-import java.io.IOException;
-import java.util.logging.Logger;
-import javax.servlet.http.*;
 import com.google.appengine.api.xmpp.Presence;
 import com.google.appengine.api.xmpp.PresenceType;
 import com.google.appengine.api.xmpp.XMPPService;
 import com.google.appengine.api.xmpp.XMPPServiceFactory;
 
+import java.io.IOException;
+import java.util.logging.Logger;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 // [START example]
 @SuppressWarnings("serial")
 public class PresenceServlet extends HttpServlet {
+  private static final Logger log = Logger.getLogger(PresenceServlet.class.getName());
 
-   private static final Logger log = Logger.getLogger(PresenceServlet.class.getName());
-
-    @Override
-    public void doPost(HttpServletRequest req, HttpServletResponse res)
-          throws IOException {
+  @Override
+  public void doPost(HttpServletRequest req, HttpServletResponse res)
+      throws IOException {
 
-        XMPPService xmpp = XMPPServiceFactory.getXMPPService();
-        Presence presence = xmpp.parsePresence(req);
+    XMPPService xmpp = XMPPServiceFactory.getXMPPService();
+    Presence presence = xmpp.parsePresence(req);
 
-        // Split the XMPP address (e.g., user@gmail.com)
-        // from the resource (e.g., gmail.CD6EBC4A)
-        String from = presence.getFromJid().getId().split("/")[0];
+    // Split the XMPP address (e.g., user@gmail.com)
+    // from the resource (e.g., gmail.CD6EBC4A)
+    String from = presence.getFromJid().getId().split("/")[0];
 
-        log.info("Received presence from: " + from);
+    log.info("Received presence from: " + from);
 
-        // Mirror the contact's presence back to them
-        xmpp.sendPresence(presence.getFromJid(), PresenceType.AVAILABLE, presence.getPresenceShow(), presence.getStatus());
-    }
+    // Mirror the contact's presence back to them
+    xmpp.sendPresence(
+        presence.getFromJid(),
+        PresenceType.AVAILABLE,
+        presence.getPresenceShow(),
+        presence.getStatus());
+  }
 }
 // [END example]

appengine/xmpp/src/main/java/com/example/appengine/xmpp/SubscriptionServlet.java

@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright 2016 Google Inc. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,31 +16,33 @@
 
 package com.example.appengine.xmpp;
 
-import java.io.IOException;
-import java.util.logging.Logger;
-import javax.servlet.http.*;
 import com.google.appengine.api.xmpp.Subscription;
 import com.google.appengine.api.xmpp.XMPPService;
 import com.google.appengine.api.xmpp.XMPPServiceFactory;
 
+import java.io.IOException;
+import java.util.logging.Logger;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 // [START example]
 @SuppressWarnings("serial")
 public class SubscriptionServlet extends HttpServlet {
+  private static final Logger log = Logger.getLogger(SubscriptionServlet.class.getName());
 
-   private static final Logger log = Logger.getLogger(SubscriptionServlet.class.getName());
-
-    @Override
-    public void doPost(HttpServletRequest req, HttpServletResponse res)
-          throws IOException {
-
-        XMPPService xmppService = XMPPServiceFactory.getXMPPService();
-        Subscription sub = xmppService.parseSubscription(req);
+  @Override
+  public void doPost(HttpServletRequest req, HttpServletResponse res)
+        throws IOException {
+    XMPPService xmppService = XMPPServiceFactory.getXMPPService();
+    Subscription sub = xmppService.parseSubscription(req);
 
-        // Split the bare XMPP address (e.g., user@gmail.com)
-        // from the resource (e.g., gmail.CD6EBC4A)
-        String from = sub.getFromJid().getId().split("/")[0];
+    // Split the bare XMPP address (e.g., user@gmail.com)
+    // from the resource (e.g., gmail.CD6EBC4A)
+    String from = sub.getFromJid().getId().split("/")[0];
 
-        log.info("Received subscription event from: " + from);
-    }
+    log.info("Received subscription event from: " + from);
+  }
 }
 // [END example]

pom.xml

@@ -62,6 +62,7 @@
         <module>appengine/twilio</module>
         <module>appengine/urlfetch</module>
         <module>appengine/users</module>
+        <module>appengine/xmpp</module>
         <module>bigquery</module>
         <module>compute/cmdline</module>
         <module>datastore</module>