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-rw-r--r--libjava/classpath/java/util/regex/Matcher.java24
1 files changed, 23 insertions, 1 deletions
diff --git a/libjava/classpath/java/util/regex/Matcher.java b/libjava/classpath/java/util/regex/Matcher.java
index 8d033d5e316..95a35535935 100644
--- a/libjava/classpath/java/util/regex/Matcher.java
+++ b/libjava/classpath/java/util/regex/Matcher.java
@@ -103,6 +103,28 @@ public final class Matcher implements MatchResult
}
/**
+ * Changes the pattern used by the {@link Matcher} to
+ * the one specified. Existing match information is lost,
+ * but the input and the matcher's position within it is
+ * retained.
+ *
+ * @param newPattern the new pattern to use.
+ * @return this matcher.
+ * @throws IllegalArgumentException if {@code newPattern} is
+ * {@code null}.
+ * @since 1.5
+ */
+ public Matcher usePattern(Pattern newPattern)
+ {
+ if (newPattern == null)
+ throw new IllegalArgumentException("The new pattern was null.");
+ pattern = newPattern;
+ match = null;
+
+ return this;
+ }
+
+ /**
* @param sb The target string buffer
* @param replacement The replacement string
*
@@ -620,7 +642,7 @@ public final class Matcher implements MatchResult
*
* @param s the string to literalize.
* @return the literalized string.
- * @since 1.5
+ * @since 1.5
*/
public static String quoteReplacement(String s)
{
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