commit 947d6421823f710b055c2e2dc4e8761284dea952
author Simone Tripodi <simonetripodi@apache.org> Fri Mar 15 14:56:20 2013 +0000
committer Simone Tripodi <simonetripodi@apache.org> Fri Mar 15 14:56:20 2013 +0000
tree 7f9bf7280e86be28e454250009ee8351de8046bd
parent 32a07194da6054ce9a683a619b0ed7a400726656

trivial: extracted constants

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/fileupload/trunk@1456977 13f79535-47bb-0310-9956-ffa450edef68

src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java

diff --git a/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java b/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java
index 776423e..3b90027 100644
--- a/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java
+++ b/src/main/java/org/apache/commons/fileupload/util/mime/MimeUtility.java
@@ -31,6 +31,11 @@
 public final class MimeUtility {
 
     /**
+     * If the text contains any encoded tokens, those tokens will be marked with "=?"
+     */
+    private static final String ENCODED_TOKEN_MARKER = "=?";
+
+    /**
      * The linear whitespace chars sequence.
      */
     private static final String LINEAR_WHITESPACE = " \t\r\n";
@@ -74,7 +79,7 @@
     public static String decodeText(String text) throws UnsupportedEncodingException {
         // if the text contains any encoded tokens, those tokens will be marked with "=?".  If the
         // source string doesn't contain that sequent, no decoding is required.
-        if (text.indexOf("=?") < 0) {
+        if (text.indexOf(ENCODED_TOKEN_MARKER) < 0) {
             return text;
         }
 
@@ -124,7 +129,7 @@
                 // pull out the word token.
                 String word = text.substring(wordStart, offset);
                 // is the token encoded?  decode the word
-                if (word.startsWith("=?")) {
+                if (word.startsWith(ENCODED_TOKEN_MARKER)) {
                     try {
                         // if this gives a parsing failure, treat it like a non-encoded word.
                         String decodedWord = decodeWord(word);
@@ -177,7 +182,7 @@
         // encoded words start with the characters "=?".  If this not an encoded word, we throw a
         // ParseException for the caller.
 
-        if (!word.startsWith("=?")) {
+        if (!word.startsWith(ENCODED_TOKEN_MARKER)) {
             throw new ParseException("Invalid RFC 2047 encoded-word: " + word);
         }