Fix a bunch of typos (#640)

Author: chingor13

google-http-client-xml/src/main/java/com/google/api/client/xml/Xml.java

@@ -195,7 +195,7 @@ public boolean stopAfterEndTag(String namespace, String localName) {
   /**
    * Parses an XML element using the given XML pull parser into the given destination object.
    *
-   * <p>Requires the the current event be {@link XmlPullParser#START_TAG} (skipping any initial
+   * <p>Requires the current event be {@link XmlPullParser#START_TAG} (skipping any initial
    * {@link XmlPullParser#START_DOCUMENT}) of the element being parsed. At normal parsing
    * completion, the current event will either be {@link XmlPullParser#END_TAG} of the element being
    * parsed, or the {@link XmlPullParser#START_TAG} of the requested {@code atom:entry}.

google-http-client-xml/src/main/java/com/google/api/client/xml/XmlNamespaceDictionary.java

@@ -283,7 +283,7 @@ private void computeAliases(Object element, SortedSet<String> aliases) {
    * @return namespace URI, using a predictable made-up namespace URI if the namespace alias is not
    *     recognized
    * @throws IllegalArgumentException if the namespace alias is not recognized and {@code
-   *     errorOnUnkown} is {@code true}
+   *     errorOnUnknown} is {@code true}
    */
   String getNamespaceUriForAliasHandlingUnknown(boolean errorOnUnknown, String alias) {
     String result = getUriForAlias(alias);

google-http-client/src/main/java/com/google/api/client/http/HttpEncoding.java

@@ -35,8 +35,8 @@ public interface HttpEncoding {
    * Encodes the streaming content into the output stream.
    *
    * <p>Implementations must not close the output stream, and instead should flush the output
-   * stream. Some callers may assume that the the output stream has not been closed, and will fail
-   * to work if it has been closed.
+   * stream. Some callers may assume that the output stream has not been closed, and will fail to
+   * work if it has been closed.
    *
    * @param content streaming content
    * @param out output stream

google-http-client/src/main/java/com/google/api/client/http/javanet/NetHttpRequest.java

@@ -115,7 +115,7 @@ LowLevelHttpResponse execute(final OutputWriter outputWriter) throws IOException
         } catch (IOException e) {
           // If we've gotten a response back, continue on and try to parse the response. Otherwise,
           // re-throw the IOException
-          if (!hasReponse(connection)) {
+          if (!hasResponse(connection)) {
             throw e;
           }
         } finally {
@@ -151,7 +151,7 @@ LowLevelHttpResponse execute(final OutputWriter outputWriter) throws IOException
     }
   }
 
-  private boolean hasReponse(HttpURLConnection connection) {
+  private boolean hasResponse(HttpURLConnection connection) {
     try {
       return connection.getResponseCode() > 0;
     } catch (IOException e) {

google-http-client/src/main/java/com/google/api/client/util/Key.java

@@ -34,7 +34,7 @@
  *
  * // uses data key name of "some_other_name"
  * @Key("some_other_name")
- * private String dataKeyNameIsOverriden;
+ * private String dataKeyNameIsOverridden;
  *
  * // not a data key
  * private String notADataKey;

google-http-client/src/main/java/com/google/api/client/util/StreamingContent.java

@@ -31,8 +31,8 @@ public interface StreamingContent {
    * Writes the byte content to the given output stream.
    *
    * <p>Implementations must not close the output stream, and instead should flush the output
-   * stream. Some callers may assume that the the output stream has not been closed, and will fail
-   * to work if it has been closed.
+   * stream. Some callers may assume that the output stream has not been closed, and will fail to
+   * work if it has been closed.
    *
    * @param out output stream
    */

google-http-client/src/main/java/com/google/api/client/util/StringUtils.java

@@ -39,7 +39,7 @@ public class StringUtils {
    * @param string the String to encode, may be <code>null</code>
    * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
    * @throws IllegalStateException Thrown when the charset is missing, which should be never
-   *     according the the Java specification.
+   *     according the Java specification.
    * @see <a href="http://download.oracle.com/javase/7/docs/api/java/nio/charset/Charset.html"
    *     >Standard charsets</a>
    * @since 1.8