spelling: fix some typos in code/javadoc/comments

src/main/java/com/puppycrawl/tools/checkstyle/AstTreeStringPrinter.java

@@ -160,7 +160,7 @@ private static String printTree(DetailAST ast) {
      */
     private static String getNodeInfo(DetailAST node) {
         return TokenUtils.getTokenName(node.getType())
-                + " -> " + excapeAllControlChars(node.getText())
+                + " -> " + escapeAllControlChars(node.getText())
                 + " [" + node.getLineNo() + ':' + node.getColumnNo() + ']';
     }
 
@@ -198,11 +198,11 @@ private static String getIndentation(DetailAST ast) {
     }
 
     /**
-     * Replace all control chars with excaped symbols.
+     * Replace all control chars with escaped symbols.
      * @param text the String to process.
-     * @return the processed String with all control chars excaped.
+     * @return the processed String with all control chars escaped.
      */
-    private static String excapeAllControlChars(String text) {
+    private static String escapeAllControlChars(String text) {
         final String textWithoutNewlines = NEWLINE.matcher(text).replaceAll("\\\\n");
         final String textWithoutReturns = RETURN.matcher(textWithoutNewlines).replaceAll("\\\\r");
         return TAB.matcher(textWithoutReturns).replaceAll("\\\\t");

src/main/java/com/puppycrawl/tools/checkstyle/AuditEventDefaultFormatter.java

@@ -85,7 +85,7 @@ private static int calculateBufferLength(AuditEvent event, int severityLevelName
 
     /**
      * Returns check name without 'Check' suffix.
-     * @param event audit ivent.
+     * @param event audit event.
      * @return check name without 'Check' suffix.
      */
     private static String getCheckShortName(AuditEvent event) {

src/main/java/com/puppycrawl/tools/checkstyle/DetailNodeTreeStringPrinter.java

@@ -119,7 +119,7 @@ public static String printTree(DetailNode ast, String rootPrefix, String prefix)
             }
             messageBuilder.append(getIndentation(node))
                     .append(JavadocUtils.getTokenName(node.getType())).append(" -> ")
-                    .append(JavadocUtils.excapeAllControlChars(node.getText())).append(" [")
+                    .append(JavadocUtils.escapeAllControlChars(node.getText())).append(" [")
                     .append(node.getLineNumber()).append(':').append(node.getColumnNumber())
                     .append(']').append(LINE_SEPARATOR)
                     .append(printTree(JavadocUtils.getFirstChild(node), rootPrefix, prefix));

src/main/java/com/puppycrawl/tools/checkstyle/PackageObjectFactory.java

@@ -231,7 +231,7 @@ private Object createObject(String className) throws CheckstyleException {
                 instance = declaredConstructor.newInstance();
             }
             catch (final ReflectiveOperationException ex) {
-                throw new CheckstyleException("Unable to instatiate " + className, ex);
+                throw new CheckstyleException("Unable to instantiate " + className, ex);
             }
         }
 
@@ -245,7 +245,7 @@ private static void fillShortToFullModuleNamesMap() {
         fillChecksFromAnnotationPackage();
         fillChecksFromBlocksPackage();
         fillChecksFromCodingPackage();
-        fillChecksFromDesingPackage();
+        fillChecksFromDesignPackage();
         fillChecksFromHeaderPackage();
         fillChecksFromImportsPackage();
         fillChecksFromIndentationPackage();
@@ -394,7 +394,7 @@ private static void fillChecksFromCodingPackage() {
     /**
      * Fill short-to-full module names map with Checks from design package.
      */
-    private static void fillChecksFromDesingPackage() {
+    private static void fillChecksFromDesignPackage() {
         NAME_TO_FULL_MODULE_NAME.put("DesignForExtensionCheck",
                 BASE_PACKAGE + ".checks.design.DesignForExtensionCheck");
         NAME_TO_FULL_MODULE_NAME.put("FinalClassCheck",

src/main/java/com/puppycrawl/tools/checkstyle/PropertyCacheFile.java

@@ -267,7 +267,7 @@ private static Set<ExternalResource> loadExternalResources(Set<String> resourceL
             }
             catch (CheckstyleException ex) {
                 // if exception happened (configuration resource was not found, connection is not
-                // available, resouce is broken, etc), we need to calculate hash sum based on
+                // available, resource is broken, etc), we need to calculate hash sum based on
                 // exception object content in order to check whether problem is resolved later
                 // and/or the configuration is changed.
                 contentHashSum = getHashCodeBasedOnObjectContent(ex);
@@ -282,7 +282,7 @@ private static Set<ExternalResource> loadExternalResources(Set<String> resourceL
     /**
      * Loads the content of external resource.
      * @param location external resource location.
-     * @return array of bytes which respresents the content of external resource in binary form.
+     * @return array of bytes which represents the content of external resource in binary form.
      * @throws CheckstyleException if error while loading occurs.
      */
     private static byte[] loadExternalResource(String location) throws CheckstyleException {

src/main/java/com/puppycrawl/tools/checkstyle/TreeWalker.java

@@ -462,11 +462,11 @@ public void destroy() {
 
     @Override
     public Set<String> getExternalResourceLocations() {
-        final Set<String> orinaryChecksResources = getExternalResourceLocations(ordinaryChecks);
+        final Set<String> ordinaryChecksResources = getExternalResourceLocations(ordinaryChecks);
         final Set<String> commentChecksResources = getExternalResourceLocations(commentChecks);
-        final int resultListSize = orinaryChecksResources.size() + commentChecksResources.size();
+        final int resultListSize = ordinaryChecksResources.size() + commentChecksResources.size();
         final Set<String> resourceLocations = new HashSet<>(resultListSize);
-        resourceLocations.addAll(orinaryChecksResources);
+        resourceLocations.addAll(ordinaryChecksResources);
         resourceLocations.addAll(commentChecksResources);
         return resourceLocations;
     }

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

@@ -132,7 +132,7 @@ private static void registerIntegralTypes(ConvertUtilsBean cub) {
      */
     private static void registerCustomTypes(ConvertUtilsBean cub) {
         cub.register(new PatternConverter(), Pattern.class);
-        cub.register(new ServerityLevelConverter(), SeverityLevel.class);
+        cub.register(new SeverityLevelConverter(), SeverityLevel.class);
         cub.register(new ScopeConverter(), Scope.class);
         cub.register(new UriConverter(), URI.class);
         cub.register(new RelaxedAccessModifierArrayConverter(), AccessModifier[].class);
@@ -285,7 +285,7 @@ public Object convert(Class type, Object value) {
     }
 
     /** A converter that converts strings to severity level. */
-    private static class ServerityLevelConverter implements Converter {
+    private static class SeverityLevelConverter implements Converter {
         @SuppressWarnings({"unchecked", "rawtypes"})
         @Override
         public Object convert(Class type, Object value) {

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

@@ -40,8 +40,8 @@ public interface ExternalResourceHolder {
      * ATTENTION!
      * If 'getExternalResourceLocations()' return null, there will be
      * {@link NullPointerException} in {@link Checker}.
-     * Such behaviour will signal that your module (check or filter) is designed incorrectrly.
-     * It make sence to return an empty set from 'getExternalResourceLocations()'
+     * Such behaviour will signal that your module (check or filter) is designed incorrectly.
+     * It make sense to return an empty set from 'getExternalResourceLocations()'
      * only for composite modules like {@link com.puppycrawl.tools.checkstyle.TreeWalker}.
      * @return a set of external configuration resource locations which are used by the module.
      */

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

@@ -130,7 +130,7 @@ public class TranslationCheck extends AbstractFileSetCheck {
     private static final Log LOG = LogFactory.getLog(TranslationCheck.class);
 
     /**
-     * Regexp string for default tranlsation files.
+     * Regexp string for default translation files.
      * For example, messages.properties.
      */
     private static final String DEFAULT_TRANSLATION_REGEXP = "^.+\\..+$";
@@ -159,10 +159,10 @@ public class TranslationCheck extends AbstractFileSetCheck {
     /** File name format with language code. */
     private static final String FILE_NAME_WITH_LANGUAGE_CODE_FORMATTER = "%s_%s.%s";
 
-    /** Formatting string to form regexp to validate required tranlsations file names. */
+    /** Formatting string to form regexp to validate required translations file names. */
     private static final String REGEXP_FORMAT_TO_CHECK_REQUIRED_TRANSLATIONS =
         "^%1$s\\_%2$s(\\_[A-Z]{2})?\\.%3$s$|^%1$s\\_%2$s\\_[A-Z]{2}\\_[A-Za-z]+\\.%3$s$";
-    /** Formatting string to form regexp to validate default tranlsations file names. */
+    /** Formatting string to form regexp to validate default translations file names. */
     private static final String REGEXP_FORMAT_TO_CHECK_DEFAULT_TRANSLATIONS = "^%s\\.%s$";
 
     /** The files to process. */
@@ -202,7 +202,7 @@ public void setRequiredTranslations(String... translationCodes) {
     }
 
     /**
-     * Validates the correctness of user specififed language codes for the check.
+     * Validates the correctness of user specified language codes for the check.
      * @param languageCodes user specified language codes for the check.
      */
     private void validateUserSpecifiedLanguageCodes(Set<String> languageCodes) {
@@ -411,7 +411,7 @@ else if (languageMatcher.matches()) {
         else {
             regexp = DEFAULT_TRANSLATION_REGEXP;
         }
-        // We use substring(...) insead of replace(...), so that the regular expression does
+        // We use substring(...) instead of replace(...), so that the regular expression does
         // not have to be compiled each time it is used inside 'replace' method.
         final String removePattern = regexp.substring("^.+".length(), regexp.length());
         return fileName.replaceAll(removePattern, "");

src/main/java/com/puppycrawl/tools/checkstyle/checks/blocks/NeedBracesCheck.java

@@ -217,7 +217,7 @@ public void visitToken(DetailAST ast) {
     /**
      * Checks if ast is default in annotation
      * @param ast ast to test.
-     * @return true if current ast is default and it is part of annatation.
+     * @return true if current ast is default and it is part of annotation.
      */
     private boolean isDefaultInAnnotation(DetailAST ast) {
         boolean isDefaultInAnnotation = false;

src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/DeclarationOrderCheck.java

@@ -291,7 +291,7 @@ else if (state.currentScopeState == STATE_STATIC_VARIABLE_DEF) {
      * state({@code Scope}), if it is it updates substate or else it
      * logs violation.
      * @param modifiersAst modifiers to process
-     * @param state curent state
+     * @param state current state
      * @param isStateValid is main state for given modifiers is valid
      */
     private void processModifiersSubState(DetailAST modifiersAst, ScopeState state,

src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/FinalLocalVariableCheck.java

@@ -534,7 +534,7 @@ private static boolean shouldRemoveFinalVariableCandidate(ScopeData scopeData, D
      * }
      * </p>
      * @param variable variable.
-     * @return true if a variable which is declared ouside loop is used inside loop.
+     * @return true if a variable which is declared outside loop is used inside loop.
      */
     private static boolean isUseOfExternalVariableInsideLoop(DetailAST variable) {
         DetailAST loop2 = variable.getParent();

src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalInstantiationCheck.java

@@ -255,7 +255,7 @@ private String getIllegalInstantiation(String className) {
      * Check import statements.
      * @param className name of the class
      * @return value of illegal instantiated type
-     * @noinspection StringContatenationInLoop
+     * @noinspection StringConcatenationInLoop
      */
     private String checkImportStatements(String className) {
         String illegalType = null;

src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/IllegalTokenCheck.java

@@ -105,9 +105,9 @@ private static String convertToString(DetailAST ast) {
             case TokenTypes.LABELED_STAT:
                 tokenText = ast.getFirstChild().getText() + ast.getText();
                 break;
-            // multyline tokens need to become singlelined
+            // multiline tokens need to become singlelined
             case TokenTypes.COMMENT_CONTENT:
-                tokenText = JavadocUtils.excapeAllControlChars(ast.getText());
+                tokenText = JavadocUtils.escapeAllControlChars(ast.getText());
                 break;
             default:
                 tokenText = ast.getText();

src/main/java/com/puppycrawl/tools/checkstyle/checks/design/FinalClassCheck.java

@@ -204,7 +204,7 @@ private String getQualifiedClassName(DetailAST classAst) {
      * outer class.
      * @param packageName package name, empty string on default package
      * @param outerClassQualifiedName qualified name(package + class) of outer class,
-     *                           null if doesnt exist
+     *                           null if doesn't exist
      * @param className class name
      * @return qualified class name(package + class name)
      */
@@ -242,7 +242,7 @@ private static String getSuperClassName(DetailAST classAst) {
 
     /**
      * Checks if given super class name in extend clause match super class qualified name.
-     * @param superClassQualifiedName super class quaflieid name(with package)
+     * @param superClassQualifiedName super class qualified name (with package)
      * @param superClassInExtendClause name in extend clause
      * @return true if given super class name in extend clause match super class qualified name,
      *         false otherwise

src/main/java/com/puppycrawl/tools/checkstyle/checks/indentation/CommentsIndentationCheck.java

@@ -139,7 +139,7 @@ private void visitComment(DetailAST comment) {
                 handleCommentInEmptyCaseBlock(prevStmt, comment, nextStmt);
             }
             else if (isFallThroughComment(prevStmt, nextStmt)) {
-                handleFallThroughtComment(prevStmt, comment, nextStmt);
+                handleFallThroughComment(prevStmt, comment, nextStmt);
             }
             else if (isInEmptyCodeBlock(prevStmt, nextStmt)) {
                 handleCommentInEmptyCodeBlock(comment, nextStmt);
@@ -199,7 +199,7 @@ private boolean isDistributedPreviousStatement(DetailAST comment) {
 
     /**
      * Checks whether the previous statement of a comment is a method call chain or
-     * string concatenation statemen distributed over two ore more lines.
+     * string concatenation statement distributed over two ore more lines.
      * @param comment comment to check.
      * @return true if the previous statement is a distributed expression.
      */
@@ -262,9 +262,9 @@ private static boolean isDefinition(DetailAST previousSibling) {
     }
 
     /**
-     * Checks whether the previous statement of a comment is a destributed return statement.
+     * Checks whether the previous statement of a comment is a distributed return statement.
      * @param commentPreviousSibling previous sibling of the comment.
-     * @return true if the previous statement of a comment is a destributed return statement.
+     * @return true if the previous statement of a comment is a distributed return statement.
      */
     private static boolean isDistributedReturnStatement(DetailAST commentPreviousSibling) {
         boolean isDistributed = false;
@@ -280,9 +280,9 @@ private static boolean isDistributedReturnStatement(DetailAST commentPreviousSib
     }
 
     /**
-     * Checks whether the previous statement of a comment is a destributed throw statement.
+     * Checks whether the previous statement of a comment is a distributed throw statement.
      * @param commentPreviousSibling previous sibling of the comment.
-     * @return true if the previous statement of a comment is a destributed throw statement.
+     * @return true if the previous statement of a comment is a distributed throw statement.
      */
     private static boolean isDistributedThrowStatement(DetailAST commentPreviousSibling) {
         boolean isDistributed = false;
@@ -298,9 +298,9 @@ private static boolean isDistributedThrowStatement(DetailAST commentPreviousSibl
     }
 
     /**
-     * Returns the first token of the destributed previous statement of comment.
+     * Returns the first token of the distributed previous statement of comment.
      * @param comment comment to check.
-     * @return the first token of the destributed previous statement of comment.
+     * @return the first token of the distributed previous statement of comment.
      */
     private static DetailAST getDistributedPreviousStatement(DetailAST comment) {
         DetailAST currentToken = comment.getPreviousSibling();
@@ -399,7 +399,7 @@ private static boolean isInEmptyCodeBlock(DetailAST prevStmt, DetailAST nextStmt
     }
 
     /**
-     * Handles a comment which is plased within empty case block.
+     * Handles a comment which is placed within empty case block.
      * Note, if comment is placed at the end of the empty case block, we have Checkstyle's
      * limitations to clearly detect user intention of explanation target - above or below. The
      * only case we can assume as a violation is when a single line comment within the empty case
@@ -460,8 +460,8 @@ private void handleCommentInEmptyCaseBlock(DetailAST prevStmt, DetailAST comment
      * @param comment single line comment.
      * @param nextStmt next statement.
      */
-    private void handleFallThroughtComment(DetailAST prevStmt, DetailAST comment,
-                                           DetailAST nextStmt) {
+    private void handleFallThroughComment(DetailAST prevStmt, DetailAST comment,
+                                          DetailAST nextStmt) {
 
         if (!areSameLevelIndented(comment, prevStmt, nextStmt)) {
             logMultilineIndentation(prevStmt, comment, nextStmt);
@@ -470,7 +470,7 @@ private void handleFallThroughtComment(DetailAST prevStmt, DetailAST comment,
 
     /**
      * Handles a comment which is placed at the end of non empty code block.
-     * Note, if single line comment is plcaed at the end of non empty block the comment should have
+     * Note, if single line comment is placed at the end of non empty block the comment should have
      * the same indentation level as the previous statement. For example:
      * <p>
      * {@code

src/main/java/com/puppycrawl/tools/checkstyle/checks/indentation/IndentationCheck.java

@@ -32,7 +32,7 @@
  *
  * <p>
  * The basic idea behind this is that while
- * pretty printers are sometimes convenient for reformats of
+ * pretty printers are sometimes convenient for reformatting of
  * legacy code, they often either aren't configurable enough or
  * just can't anticipate how format should be done.  Sometimes this is
  * personal preference, other times it is practical experience.  In any

src/main/java/com/puppycrawl/tools/checkstyle/checks/regexp/RegexpOnFilenameCheck.java

@@ -40,7 +40,7 @@
  * When customizing the check, the properties are applied in a specific order.
  * The fileExtensions property first picks only files that match any of the
  * specific extensions supplied. Once files are matched against the
- * fileExtensions, the match property is then used in conjuction with the
+ * fileExtensions, the match property is then used in conjunction with the
  * patterns to determine if the check is looking for a match or mis-match on
  * those files. If the fileNamePattern is supplied, the matching is only applied
  * to the fileNamePattern and not the folderPattern. If no fileNamePattern is

src/main/java/com/puppycrawl/tools/checkstyle/checks/whitespace/WhitespaceAroundCheck.java

@@ -433,7 +433,7 @@ private boolean isNotRelevantSituation(DetailAST ast, int currentType) {
      * This function is needed to recognise double brace initialization as valid,
      * unfortunately its not possible to implement this functionality
      * in isNotRelevantSituation method, because in this method when we return
-     * true(is not relevant) ast is later doesnt check at all. For example:
+     * true(is not relevant) ast is later doesn't check at all. For example:
      * new Properties() {{setProperty("double curly braces", "are not a style error");
      * }};
      * For second left curly brace in first line when we would return true from

src/main/java/com/puppycrawl/tools/checkstyle/utils/JavadocUtils.java

@@ -458,11 +458,11 @@ public static String getTagName(DetailNode javadocTagSection) {
     }
 
     /**
-     * Replace all control chars with excaped symbols.
+     * Replace all control chars with escaped symbols.
      * @param text the String to process.
-     * @return the processed String with all control chars excaped.
+     * @return the processed String with all control chars escaped.
      */
-    public static String excapeAllControlChars(String text) {
+    public static String escapeAllControlChars(String text) {
         final String textWithoutNewlines = NEWLINE.matcher(text).replaceAll("\\\\n");
         final String textWithoutReturns = RETURN.matcher(textWithoutNewlines).replaceAll("\\\\r");
         return TAB.matcher(textWithoutReturns).replaceAll("\\\\t");