Javadoc: Add missing constructor Javadoc comments

Author: garydgregory

src/main/java/org/apache/commons/io/FileCleaner.java

@@ -155,4 +155,11 @@ public static void track(final String path, final Object marker) {
     public static void track(final String path, final Object marker, final FileDeleteStrategy deleteStrategy) {
         INSTANCE.track(path, marker, deleteStrategy);
     }
+
+    /**
+     * Construct a new instance.
+     */
+    public FileCleaner() {
+        // empty
+    }
 }

src/main/java/org/apache/commons/io/FileCleaningTracker.java

@@ -156,6 +156,13 @@ public String getPath() {
      */
     Thread reaper;
 
+    /**
+     * Construct a new instance.
+     */
+    public FileCleaningTracker() {
+        // empty
+    }
+
     /**
      * Adds a tracker to the list of trackers.
      *

src/main/java/org/apache/commons/io/build/AbstractOrigin.java

@@ -605,7 +605,7 @@ public Writer getWriter(final Charset charset, final OpenOption... options) thro
     final T origin;
 
     /**
-     * Constructs a new instance for a subclass.
+     * Constructs a new instance for subclasses.
      *
      * @param origin The origin.
      */

src/main/java/org/apache/commons/io/build/AbstractOriginSupplier.java

@@ -187,6 +187,13 @@ protected static WriterOrigin newWriterOrigin(final Writer origin) {
      */
     private AbstractOrigin<?, ?> origin;
 
+    /**
+     * Constructs a new instance for subclasses.
+     */
+    public AbstractOriginSupplier() {
+        // empty
+    }
+
     /**
      * Checks whether the origin is null.
      *

src/main/java/org/apache/commons/io/build/AbstractStreamBuilder.java

@@ -83,6 +83,13 @@ public abstract class AbstractStreamBuilder<T, B extends AbstractStreamBuilder<T
      */
     private IntUnaryOperator bufferSizeChecker = defaultSizeChecker;
 
+    /**
+     * Constructs a new instance for subclasses.
+     */
+    public AbstractStreamBuilder() {
+        // empty
+    }
+
     /**
      * Applies the buffer size request.
      *

src/main/java/org/apache/commons/io/build/AbstractSupplier.java

@@ -124,6 +124,13 @@ public void test() {
  */
 public abstract class AbstractSupplier<T, B extends AbstractSupplier<T, B>> implements IOSupplier<T> {
 
+    /**
+     * Constructs a new instance for subclasses.
+     */
+    public AbstractSupplier() {
+        // empty
+    }
+
     /**
      * Returns this instance typed as the subclass type {@code B}.
      * <p>

src/main/java/org/apache/commons/io/comparator/DirectoryFileComparator.java

@@ -63,6 +63,13 @@ public class DirectoryFileComparator extends AbstractFileComparator implements S
     /** Singleton reverse default comparator instance */
     public static final Comparator<File> DIRECTORY_REVERSE = new ReverseFileComparator(DIRECTORY_COMPARATOR);
 
+    /**
+     * Construct a new instance.
+     */
+    public DirectoryFileComparator() {
+        // empty
+    }
+
     /**
      * Compares the two files using the {@link File#isDirectory()} method.
      *

src/main/java/org/apache/commons/io/comparator/LastModifiedFileComparator.java

@@ -62,6 +62,13 @@ public class LastModifiedFileComparator extends AbstractFileComparator implement
     /** Reverse last modified comparator instance. */
     public static final Comparator<File> LASTMODIFIED_REVERSE = new ReverseFileComparator(LASTMODIFIED_COMPARATOR);
 
+    /**
+     * Construct a new instance.
+     */
+    public LastModifiedFileComparator() {
+        // empty
+    }
+
     /**
      * Compares the last modified date/time of two files.
      *

src/main/java/org/apache/commons/io/input/ClosedInputStream.java

@@ -59,6 +59,13 @@ static InputStream ifNull(final InputStream in) {
         return in != null ? in : INSTANCE;
     }
 
+    /**
+     * Construct a new instance.
+     */
+    public ClosedInputStream() {
+        // empty
+    }
+
     /**
      * Returns -1 to indicate that the stream is closed.
      *

src/main/java/org/apache/commons/io/input/ClosedReader.java

@@ -49,6 +49,13 @@ public class ClosedReader extends Reader {
     @Deprecated
     public static final ClosedReader CLOSED_READER = INSTANCE;
 
+    /**
+     * Construct a new instance.
+     */
+    public ClosedReader() {
+        // empty
+    }
+
     @Override
     public void close() throws IOException {
         // noop