inline some-single use variables.

Formatting nits.

Author: Gary Gregory

src/main/java/org/apache/commons/io/filefilter/AgeFileFilter.java

@@ -181,8 +181,7 @@ public AgeFileFilter(final long cutoffMillis, final boolean acceptOlder) {
      */
     @Override
     public boolean accept(final File file) {
-        final boolean newer = FileUtils.isFileNewer(file, cutoffInstant);
-        return acceptOlder != newer;
+        return acceptOlder != FileUtils.isFileNewer(file, cutoffInstant);
     }
 
     /**
@@ -198,13 +197,11 @@ public boolean accept(final File file) {
      */
     @Override
     public FileVisitResult accept(final Path file, final BasicFileAttributes attributes) {
-        final boolean newer;
         try {
-            newer = PathUtils.isNewer(file, cutoffInstant);
+            return toFileVisitResult(acceptOlder != PathUtils.isNewer(file, cutoffInstant));
         } catch (final IOException e) {
             return handle(e);
         }
-        return toFileVisitResult(acceptOlder != newer);
     }
 
     /**

src/main/java/org/apache/commons/io/filefilter/MagicNumberFileFilter.java

@@ -235,8 +235,7 @@ public MagicNumberFileFilter(final String magicNumber, final long offset) {
             throw new IllegalArgumentException("The offset cannot be negative");
         }
 
-        this.magicNumbers = magicNumber.getBytes(Charset.defaultCharset()); // explicitly uses the platform default
-                                                                            // charset
+        this.magicNumbers = magicNumber.getBytes(Charset.defaultCharset()); // explicitly uses the platform default charset
         this.byteOffset = offset;
     }
 

src/main/java/org/apache/commons/io/filefilter/NotFileFilter.java

@@ -84,8 +84,7 @@ public FileVisitResult accept(final Path file, final BasicFileAttributes attribu
     }
 
     private FileVisitResult not(final FileVisitResult accept) {
-        return accept == FileVisitResult.CONTINUE ? FileVisitResult.TERMINATE
-            : FileVisitResult.CONTINUE;
+        return accept == FileVisitResult.CONTINUE ? FileVisitResult.TERMINATE : FileVisitResult.CONTINUE;
     }
 
     /**

src/main/java/org/apache/commons/io/filefilter/PathVisitorFileFilter.java

@@ -50,8 +50,7 @@ public PathVisitorFileFilter(final PathVisitor pathVisitor) {
     public boolean accept(final File file) {
         try {
             final Path path = file.toPath();
-            return visitFile(path,
-                file.exists() ? PathUtils.readBasicFileAttributes(path) : null) == FileVisitResult.CONTINUE;
+            return visitFile(path, file.exists() ? PathUtils.readBasicFileAttributes(path) : null) == FileVisitResult.CONTINUE;
         } catch (final IOException e) {
             return handle(e) == FileVisitResult.CONTINUE;
         }