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-rwxr-xr-xsrc/classes/com/sun/opengl/util/FileUtil.java16
1 files changed, 12 insertions, 4 deletions
diff --git a/src/classes/com/sun/opengl/util/FileUtil.java b/src/classes/com/sun/opengl/util/FileUtil.java
index 6ff3e2bbd..2971de636 100755
--- a/src/classes/com/sun/opengl/util/FileUtil.java
+++ b/src/classes/com/sun/opengl/util/FileUtil.java
@@ -47,10 +47,14 @@ public class FileUtil {
private FileUtil() {}
/**
- * Returns the suffix of the given file name for identifying the
- * file to the configured TextureProviders.
+ * Returns the lowercase suffix of the given file name (the text
+ * after the last '.' in the file name). Returns null if the file
+ * name has no suffix. Only operates on the given file name;
+ * performs no I/O operations.
*
* @param file name of the file
+ * @return lowercase suffix of the file name
+ * @throws NullPointerException if file is null
*/
public static String getFileSuffix(File file) {
@@ -58,10 +62,14 @@ public class FileUtil {
}
/**
- * Returns the suffix of the given file name for identifying the
- * file to the configured TextureProviders.
+ * Returns the lowercase suffix of the given file name (the text
+ * after the last '.' in the file name). Returns null if the file
+ * name has no suffix. Only operates on the given file name;
+ * performs no I/O operations.
*
* @param filename name of the file
+ * @return lowercase suffix of the file name
+ * @throws NullPointerException if filename is null
*/
public static String getFileSuffix(String filename) {
int lastDot = filename.lastIndexOf('.');