Add Matcher.quoteReplacement API method

2011-04-25  Pekka Enberg  <penberg@kernel.org>

	* java/util/regex/Matcher.java:
	(quoteReplacement): Implement missing Java 1.5 API method.

2 files changed, 28 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 853c78c42..5b40b1b1b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-04-25  Pekka Enberg  <penberg@kernel.org>
+
+	* java/util/regex/Matcher.java:
+	(quoteReplacement): Implement missing Java 1.5 API method.
+
 2011-03-30  Gert Brettlecker  <gert.brettlecker@ergon.ch>
 
 	PR classpath/42823
diff --git a/java/util/regex/Matcher.java b/java/util/regex/Matcher.java
index 2d058fbcb..8d033d5e3 100644
--- a/java/util/regex/Matcher.java
+++ b/java/util/regex/Matcher.java
@@ -614,4 +614,27 @@ public final class Matcher implements MatchResult
     return snapshot;
   }
 
+  /**
+   * Returns a literalized string of s where characters {@code $} and {@code
+   * \\} are escaped.
+   *
+   * @param s the string to literalize.
+   * @return the literalized string.
+   * @since 1.5
+   */
+  public static String quoteReplacement(String s)
+  {
+    if (s == null)
+      throw new NullPointerException();
+    CPStringBuilder sb = new CPStringBuilder();
+    for (int i = 0; i < s.length(); i++)
+    {
+      char ch = s.charAt(i);
+      if (ch == '$' || ch == '\\')
+        sb.append('\\');
+      sb.append(ch);
+    }
+    return sb.toString();
+  }
+
 }