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diff --git a/srcjar_unused/org/apache/log4j/pattern/ClassNamePatternConverter.java b/srcjar_unused/org/apache/log4j/pattern/ClassNamePatternConverter.java
new file mode 100644
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+++ b/srcjar_unused/org/apache/log4j/pattern/ClassNamePatternConverter.java
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+/*
+ * 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.log4j.pattern;
+
+import org.apache.log4j.spi.LocationInfo;
+import org.apache.log4j.spi.LoggingEvent;
+
+
+/**
+ * Formats the class name of the site of the logging request.
+ *
+ * @author Ceki Gülcü
+ */
+public final class ClassNamePatternConverter extends NamePatternConverter {
+  /**
+   * Private constructor.
+   * @param options options, may be null.
+   */
+  private ClassNamePatternConverter(
+    final String[] options) {
+    super("Class Name", "class name", options);
+  }
+
+  /**
+   * Gets an instance of ClassNamePatternConverter.
+   * @param options options, may be null.
+   * @return instance of pattern converter.
+   */
+  public static ClassNamePatternConverter newInstance(
+    final String[] options) {
+    return new ClassNamePatternConverter(options);
+  }
+
+  /**
+   * Format a logging event.
+    * @param event event to format.
+   * @param toAppendTo string buffer to which class name will be appended.
+   */
+  public void format(final LoggingEvent event, final StringBuffer toAppendTo) {
+    final int initialLength = toAppendTo.length();
+    LocationInfo li = event.getLocationInformation();
+
+    if (li == null) {
+      toAppendTo.append(LocationInfo.NA);
+    } else {
+      toAppendTo.append(li.getClassName());
+    }
+
+    abbreviate(initialLength, toAppendTo);
+  }
+}