1 files changed, 42 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/lang3/text/translate/UnicodeUnpairedSurrogateRemover.java b/src/main/java/org/apache/commons/lang3/text/translate/UnicodeUnpairedSurrogateRemover.java
new file mode 100644
index 000000000..d054742f1
--- /dev/null
+++ b/src/main/java/org/apache/commons/lang3/text/translate/UnicodeUnpairedSurrogateRemover.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.lang3.text.translate;
+
+import java.io.IOException;
+import java.io.Writer;
+
+/**
+ * Helper subclass to CharSequenceTranslator to remove unpaired surrogates.
+ *
+ * @deprecated As of 3.6, use Apache Commons Text
+ * <a href="https://commons.apache.org/proper/commons-text/javadocs/api-release/org/apache/commons/text/translate/UnicodeUnpairedSurrogateRemover.html">
+ * UnicodeUnpairedSurrogateRemover</a> instead
+ */
+@Deprecated
+public class UnicodeUnpairedSurrogateRemover extends CodePointTranslator {
+    /**
+     * Implementation of translate that throws out unpaired surrogates.
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean translate(final int codePoint, final Writer out) throws IOException {
+        // true: It's a surrogate. Write nothing and say we've translated.
+        return codePoint >= Character.MIN_SURROGATE && codePoint <= Character.MAX_SURROGATE;
+        // It's not a surrogate. Don't translate it.
+    }
+}
+