Enable trailing whitespace checkstyle check

for all source code regions, including javadoc.

smack-extensions/src/main/java/org/jivesoftware/smackx/xhtmlim/XHTMLManager.java

@@ -33,10 +33,10 @@ import org.jivesoftware.smackx.xhtmlim.packet.XHTMLExtension;
 import org.jxmpp.jid.Jid;
 
 /**
- * Manages XHTML formatted texts within messages. A XHTMLManager provides a high level access to 
+ * Manages XHTML formatted texts within messages. A XHTMLManager provides a high level access to
  * get and set XHTML bodies to messages, enable and disable XHTML support and check if remote XMPP
- * clients support XHTML.   
- * 
+ * clients support XHTML.
+ *
  * @author Gaston Dombiak
  */
 public class XHTMLManager {
@@ -51,7 +51,7 @@ public class XHTMLManager {
     }
 
     /**
-     * Returns an Iterator for the XHTML bodies in the message. Returns null if 
+     * Returns an Iterator for the XHTML bodies in the message. Returns null if
      * the message does not contain an XHTML extension.
      *
      * @param message an XHTML message
@@ -94,12 +94,12 @@ public class XHTMLManager {
 
     /**
      * Enables or disables the XHTML support on a given connection.<p>
-     *  
+     *
      * Before starting to send XHTML messages to a user, check that the user can handle XHTML
-     * messages. Enable the XHTML support to indicate that this client handles XHTML messages.  
+     * messages. Enable the XHTML support to indicate that this client handles XHTML messages.
      *
      * @param connection the connection where the service will be enabled or disabled
-     * @param enabled indicates if the service will be enabled or disabled 
+     * @param enabled indicates if the service will be enabled or disabled
      */
     public static synchronized void setServiceEnabled(XMPPConnection connection, boolean enabled) {
         if (isServiceEnabled(connection) == enabled)
@@ -129,10 +129,10 @@ public class XHTMLManager {
      * @param connection the connection to use to perform the service discovery
      * @param userID the user to check. A fully qualified xmpp ID, e.g. jdoe@example.com
      * @return a boolean indicating whether the specified user handles XHTML messages
-     * @throws XMPPErrorException 
-     * @throws NoResponseException 
-     * @throws NotConnectedException 
-     * @throws InterruptedException 
+     * @throws XMPPErrorException
+     * @throws NoResponseException
+     * @throws NotConnectedException
+     * @throws InterruptedException
      */
     public static boolean isServiceEnabled(XMPPConnection connection, Jid userID)
                     throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {

smack-extensions/src/main/java/org/jivesoftware/smackx/xhtmlim/XHTMLText.java

@@ -21,7 +21,7 @@ import org.jivesoftware.smack.packet.Message;
 import org.jivesoftware.smack.util.XmlStringBuilder;
 
 /**
- * An XHTMLText represents formatted text. This class also helps to build valid 
+ * An XHTMLText represents formatted text. This class also helps to build valid
  * XHTML tags.
  *
  * @author Gaston Dombiak
@@ -34,7 +34,7 @@ public class XHTMLText {
 
     /**
      * Creates a new XHTMLText with body tag params.
-     * 
+     *
      * @param style the XHTML style of the body
      * @param lang the language of the body
      */
@@ -48,7 +48,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that indicates that an anchor section begins.
-     * 
+     *
      * @param href indicates the URL being linked to
      * @param style the XHTML style of the anchor
      * @return this.
@@ -74,7 +74,7 @@ public class XHTMLText {
     public static final String BLOCKQUOTE = "blockquote";
     /**
      * Appends a tag that indicates that a blockquote section begins.
-     * 
+     *
      * @param style the XHTML style of the blockquote
      * @return this.
      */
@@ -97,7 +97,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that indicates that a body section begins.
-     * 
+     *
      * @param style the XHTML style of the body
      * @param lang the language of the body
      * @return this.
@@ -191,7 +191,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that indicates a header, a title of a section of the message.
-     * 
+     *
      * @param level the level of the Header. It must be a value between 1 and 3
      * @param style the XHTML style of the blockquote
      *
@@ -209,7 +209,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that indicates that a header section ends.
-     * 
+     *
      * @param level the level of the Header. It must be a value between 1 and 3
      * @return this.
      */
@@ -225,7 +225,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that indicates an image.
-     * 
+     *
      * @param align how text should flow around the picture
      * @param alt the text to show if you don't show the picture
      * @param height how tall is the picture
@@ -250,7 +250,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that indicates the start of a new line item within a list.
-     * 
+     *
      * @param style the style of the line item
      *
      * @return this.
@@ -273,9 +273,9 @@ public class XHTMLText {
     }
 
     /**
-     * Appends a tag that creates an ordered list. "Ordered" means that the order of the items 
-     * in the list is important. To show this, browsers automatically number the list. 
-     * 
+     * Appends a tag that creates an ordered list. "Ordered" means that the order of the items
+     * in the list is important. To show this, browsers automatically number the list.
+     *
      * @param style the style of the ordered list
      *
      * @return this.
@@ -300,9 +300,9 @@ public class XHTMLText {
     public static final String UL = "ul";
 
     /**
-     * Appends a tag that creates an unordered list. The unordered part means that the items 
+     * Appends a tag that creates an unordered list. The unordered part means that the items
      * in the list are not in any particular order.
-     * 
+     *
      * @param style the style of the unordered list
      *
      * @return this.
@@ -327,9 +327,9 @@ public class XHTMLText {
     public static final String P = "p";
 
     /**
-     * Appends a tag that indicates the start of a new paragraph. This is usually rendered 
+     * Appends a tag that indicates the start of a new paragraph. This is usually rendered
      * with two carriage returns, producing a single blank line in between the two paragraphs.
-     * 
+     *
      * @param style the style of the paragraph
      *
      * @return this.
@@ -342,7 +342,7 @@ public class XHTMLText {
     }
 
     /**
-     * Appends a tag that indicates the end of a new paragraph. This is usually rendered 
+     * Appends a tag that indicates the end of a new paragraph. This is usually rendered
      * with two carriage returns, producing a single blank line in between the two paragraphs.
      *
      * @return this.
@@ -356,7 +356,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that indicates that an inlined quote section begins.
-     * 
+     *
      * @param style the style of the inlined quote
      *
      * @return this.
@@ -382,7 +382,7 @@ public class XHTMLText {
 
     /**
      * Appends a tag that allows to set the fonts for a span of text.
-     * 
+     *
      * @param style the style for a span of text
      *
      * @return this.
@@ -428,7 +428,7 @@ public class XHTMLText {
 
     /**
      * Appends a given text to the XHTMLText.
-     * 
+     *
      * @param textToAppend the text to append
      *
      * @return this.
@@ -440,8 +440,8 @@ public class XHTMLText {
 
     /**
      * Returns the text of the XHTMLText.
-     * 
-     * @return the text of the XHTMLText   
+     *
+     * @return the text of the XHTMLText
      */
     @Override
     public String toString() {

smack-extensions/src/main/java/org/jivesoftware/smackx/xhtmlim/packet/XHTMLExtension.java

@@ -26,7 +26,7 @@ import org.jivesoftware.smack.packet.Message;
 import org.jivesoftware.smack.util.XmlStringBuilder;
 
 /**
- * An XHTML sub-packet, which is used by XMPP clients to exchange formatted text. The XHTML 
+ * An XHTML sub-packet, which is used by XMPP clients to exchange formatted text. The XHTML
  * extension is only a subset of XHTML 1.0.
  * <p>
  * The following link summarizes the requirements of XHTML IM:
@@ -53,7 +53,7 @@ public class XHTMLExtension implements ExtensionElement {
         return ELEMENT;
     }
 
-    /** 
+    /**
      * Returns the XML namespace of the extension sub-packet root element.
      * According the specification the namespace is always "http://jabber.org/protocol/xhtml-im"
      *
@@ -66,7 +66,7 @@ public class XHTMLExtension implements ExtensionElement {
 
     /**
      * Returns the XML representation of a XHTML extension according the specification.
-     * 
+     *
      * Usually the XML representation will be inside of a Message XML representation like
      * in the following example:
      * <pre>
@@ -78,7 +78,7 @@ public class XHTMLExtension implements ExtensionElement {
      *     &lt;/html&gt;
      * &lt;/message&gt;
      * </pre>
-     * 
+     *
      */
     @Override
     public XmlStringBuilder toXML(String enclosingNamespace) {