[IO-553] Add

garydgregory · garydgregory · commit d8e8908db227 · 2017-11-14T21:13:46.000-07:00
org.apache.commons.io.FilenameUtils.WINDOWS_ILLEGAL_FILE_NAME_CHARS.
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
@@ -47,6 +47,9 @@ The <action> type attribute can be add,update,fix,remove.
   <body>
     <!-- The release date is the date RC is cut -->
     <release version="2.7" date="tba" description="tba">
+      <action issue="IO-553" dev="ggregory" type="update">
+        Add org.apache.commons.io.FilenameUtils.WINDOWS_ILLEGAL_FILE_NAME_CHARS.
+      </action>
     </release>
 
     <release version="2.6" date="2017-10-15" description="Java 7 required, Java 9 supported.">
diff --git a/src/main/java/org/apache/commons/io/FilenameUtils.java b/src/main/java/org/apache/commons/io/FilenameUtils.java
@@ -100,6 +100,38 @@ public class FilenameUtils {
      */
     private static final char UNIX_SEPARATOR = '/';
 
+    /**
+     * The characters that are illegal in Windows file names.
+     * 
+     * <ul>
+     * <li>< (less than</li>
+     * <li>> (greater than</li>
+     * <li>: (colon</li>
+     * <li>" (double quote</li>
+     * <li>/ (forward slash</li>
+     * <li>\ (backslash</li>
+     * <li>| (vertical bar or pipe</li>
+     * <li>? (question mark</li>
+     * <li>* (asterisk</li>
+     * <li>ASCII NUL (0)</li>
+     * <li>Integer characters 1 through 31</li>
+     * </ul>
+     * 
+     * @since 2.7
+     * @see <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx">Naming Files,
+     *      Paths, and Namespaces</a>
+     */
+    public static final char[] WINDOWS_ILLEGAL_FILE_NAME_CHARS = {
+            // @formatter:off
+            // ASCII NULL
+            0,  
+            // 1-31 may be allowed in file streams
+            1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
+            29, 30, 31, 
+            '<', '>', ':', '"', '/', '\\', '|', '?', '*'
+            // @formatter:on
+    };
+
     /**
      * The Windows separator character.
      */
