Issue #2080: Fix typos in code

src/main/java/com/puppycrawl/tools/checkstyle/api/TextBlock.java

@@ -20,7 +20,7 @@
 package com.puppycrawl.tools.checkstyle.api;
 
 /**
- * A block of text from an inputfile that does not necessarily
+ * A block of text from an input file that does not necessarily
  * have any grammatical structure.
  *
  * @author lkuehne
@@ -36,28 +36,28 @@ public interface TextBlock {
     String[] getText();
 
     /**
-     * The line in the inputfile where the text block starts.
+     * The line in the input file where the text block starts.
      * Counting starts from 1.
      * @return first line of the text block
      */
     int getStartLineNo();
 
     /**
-     * The last line of the text block in the inputfile.
+     * The last line of the text block in the input file.
      * Counting starts from 1.
      * @return last line of the text block
      */
     int getEndLineNo();
 
     /**
-     * The column in the inputfile where the text block starts.
+     * The column in the input file where the text block starts.
      * Counting starts from 0.
      * @return first line of the text block
      */
     int getStartColNo();
 
     /**
-     * The column in the inputfile where the text block ends.
+     * The column in the input file where the text block ends.
      * Counting starts from 0.
      * @return last line of the text block
      */

src/main/java/com/puppycrawl/tools/checkstyle/api/TokenTypes.java

@@ -2798,7 +2798,7 @@ public final class TokenTypes {
      * <pre>
      * SOME_CONSTANT(1)
      * {
-     *     public void someMethodOverridenFromMainBody()
+     *     public void someMethodOverriddenFromMainBody()
      *     {
      *     }
      * }
@@ -2828,7 +2828,7 @@ public final class TokenTypes {
      *             +--TYPE
      *                 |
      *                 +--LITERAL_void (void)
-     *             +--IDENT (someMethodOverridenFromMainBody)
+     *             +--IDENT (someMethodOverriddenFromMainBody)
      *             +--LPAREN (()
      *             +--PARAMETERS
      *             +--RPAREN ())
@@ -3323,10 +3323,10 @@ public final class TokenTypes {
     public static final int LAMBDA = GeneratedJavaTokenTypes.LAMBDA;
 
     /**
-     * Begining of single line comment: '//'.
+     * Beginning of single line comment: '//'.
      *
      * <pre>
-     * +--SINLE_LINE_COMMENT
+     * +--SINGLE_LINE_COMMENT
      *         |
      *         +--COMMENT_CONTENT
      * </pre>
@@ -3335,7 +3335,7 @@ public final class TokenTypes {
             GeneratedJavaTokenTypes.SINGLE_LINE_COMMENT;
 
     /**
-     * Begining of block comment: '/*'.
+     * Beginning of block comment: '/*'.
      *
      * <pre>
      * +--BLOCK_COMMENT_BEGIN
@@ -3364,7 +3364,7 @@ public final class TokenTypes {
      * Text of single-line or block comment.
      *
      *<pre>
-     * +--SINLE_LINE_COMMENT
+     * +--SINGLE_LINE_COMMENT
      *         |
      *         +--COMMENT_CONTENT
      * </pre>

src/main/java/com/puppycrawl/tools/checkstyle/checks/SuppressWarningsHolder.java

@@ -229,7 +229,7 @@ public void visitToken(DetailAST ast) {
                 for (String value : values) {
                     String checkName = value;
                     // strip off the checkstyle-only prefix if present
-                    checkName = removeChecktylePrefixIfExests(checkName);
+                    checkName = removeCheckstylePrefixIfExists(checkName);
                     entries.add(new Entry(checkName, firstLine, firstColumn,
                         lastLine, lastColumn));
                 }
@@ -244,7 +244,7 @@ public void visitToken(DetailAST ast) {
      *            - name of the check
      * @return check name without prefix
      */
-    private static String removeChecktylePrefixIfExests(String checkName) {
+    private static String removeCheckstylePrefixIfExists(String checkName) {
         String result = checkName;
         if (checkName.startsWith(CHECKSTYLE_PREFIX)) {
             result = checkName.substring(CHECKSTYLE_PREFIX.length());

src/main/java/com/puppycrawl/tools/checkstyle/checks/TranslationCheck.java

@@ -213,7 +213,7 @@ private Set<Object> loadKeys(File file) {
 
     /**
      * Helper method to log an io exception.
-     * @param ex the exception that occured
+     * @param ex the exception that occurred
      * @param file the file that could not be processed
      */
     private void logIOException(IOException ex, File file) {
@@ -234,7 +234,7 @@ private void logIOException(IOException ex, File file) {
         final SortedSet<LocalizedMessage> messages = Sets.newTreeSet();
         messages.add(message);
         getMessageDispatcher().fireErrors(file.getPath(), messages);
-        LOG.debug("IOException occured.", ex);
+        LOG.debug("IOException occurred.", ex);
     }
 
     /**

src/main/java/com/puppycrawl/tools/checkstyle/checks/UncommentedMainCheck.java

@@ -222,8 +222,8 @@ private static boolean checkParams(DetailAST method) {
         final DetailAST params = method.findFirstToken(TokenTypes.PARAMETERS);
 
         if (params.getChildCount() == 1) {
-            final DetailAST paratype = params.getFirstChild().findFirstToken(TokenTypes.TYPE);
-            final DetailAST arrayDecl = paratype.findFirstToken(TokenTypes.ARRAY_DECLARATOR);
+            final DetailAST parameterType = params.getFirstChild().findFirstToken(TokenTypes.TYPE);
+            final DetailAST arrayDecl = parameterType.findFirstToken(TokenTypes.ARRAY_DECLARATOR);
 
             if (arrayDecl != null) {
                 final DetailAST arrayType = arrayDecl.getFirstChild();

src/test/java/com/puppycrawl/tools/checkstyle/api/LocalizedMessageTest.java

@@ -64,8 +64,8 @@ public void testMessageInEnglish() {
 
     @Test
     public void testBundleReloadUrlNull() throws IOException {
-        LocalizedMessage.UTF8Control cntrl = new LocalizedMessage.UTF8Control();
-        cntrl.newBundle("com.puppycrawl.tools.checkstyle.checks.coding.messages",
+        LocalizedMessage.UTF8Control control = new LocalizedMessage.UTF8Control();
+        control.newBundle("com.puppycrawl.tools.checkstyle.checks.coding.messages",
                 Locale.ENGLISH, "java.class",
                 Thread.currentThread().getContextClassLoader(), true);
     }
@@ -82,8 +82,8 @@ public void testBundleReloadUrlNotNull() throws IOException {
         String resource = "com/puppycrawl/tools/checkstyle/checks/coding/messages_en.properties";
         when(classloader.getResource(resource)).thenReturn(url);
 
-        LocalizedMessage.UTF8Control cntrl = new LocalizedMessage.UTF8Control();
-        cntrl.newBundle("com.puppycrawl.tools.checkstyle.checks.coding.messages",
+        LocalizedMessage.UTF8Control control = new LocalizedMessage.UTF8Control();
+        control.newBundle("com.puppycrawl.tools.checkstyle.checks.coding.messages",
                 Locale.ENGLISH, "java.class",
                 classloader, true);
     }
@@ -97,8 +97,8 @@ public void testBundleReloadUrlNotNullStreamNull() throws IOException {
         URL url = getMockUrl(null);
         when(classloader.getResource(resource)).thenReturn(url);
 
-        LocalizedMessage.UTF8Control cntrl = new LocalizedMessage.UTF8Control();
-        cntrl.newBundle("com.puppycrawl.tools.checkstyle.checks.coding.messages",
+        LocalizedMessage.UTF8Control control = new LocalizedMessage.UTF8Control();
+        control.newBundle("com.puppycrawl.tools.checkstyle.checks.coding.messages",
                 Locale.ENGLISH, "java.class",
                 classloader, true);
     }

src/test/java/com/puppycrawl/tools/checkstyle/checks/ClassResolverTest.java

@@ -136,7 +136,7 @@ public void testResolveQualifiedNameFails() throws Exception {
         ClassResolver classResolver = PowerMockito.spy(new ClassResolver(Thread
                 .currentThread().getContextClassLoader(), "", imports));
 
-        PowerMockito.doThrow(new ClassNotFoundException("excpected exception"))
+        PowerMockito.doThrow(new ClassNotFoundException("expected exception"))
                 .when(classResolver, "safeLoad", anyObject());
         PowerMockito.doReturn(true).when(classResolver, "isLoadable", anyObject());
 
@@ -147,7 +147,7 @@ public void testResolveQualifiedNameFails() throws Exception {
         catch (IllegalStateException e) {
             // expected
             assertTrue(e.getCause() instanceof ClassNotFoundException);
-            assertTrue(e.getMessage().endsWith("excpected exception"));
+            assertTrue(e.getMessage().endsWith("expected exception"));
         }
     }
 }

src/test/java/com/puppycrawl/tools/checkstyle/checks/NewlineAtEndOfFileCheckTest.java

@@ -169,8 +169,8 @@ public void testWrongFile() throws Exception {
         File impossibleFile = new File("");
         Set<LocalizedMessage> messages = check.process(impossibleFile, Lists.newArrayList("txt"));
         assertEquals(1, messages.size());
-        Iterator<LocalizedMessage> iter = messages.iterator();
-        assertEquals("Unable to open ''.", iter.next().getMessage());
+        Iterator<LocalizedMessage> iterator = messages.iterator();
+        assertEquals("Unable to open ''.", iterator.next().getMessage());
     }
 
     @Test

src/test/java/com/puppycrawl/tools/checkstyle/checks/UniquePropertiesCheckTest.java

@@ -99,7 +99,7 @@ public void testNotFoundKey() throws Exception {
     }
 
     /**
-     * Tests IO exception, that can orrur during reading of properties file.
+     * Tests IO exception, that can occur during reading of properties file.
      */
     @Test
     public void testIOException() throws Exception {

src/test/java/com/puppycrawl/tools/checkstyle/checks/UpperEllCheckTest.java

@@ -51,7 +51,7 @@ public void testWithChecker()
     }
 
     @Test
-    public void testAcceptableTockens() {
+    public void testAcceptableTokens() {
         int[] expected = {TokenTypes.NUM_LONG };
         UpperEllCheck check = new UpperEllCheck();
         int[] actual = check.getAcceptableTokens();