1 files changed, 16 insertions, 1 deletions
diff --git a/java/openapi/src/com/intellij/ui/classFilter/ClassFilter.java b/java/openapi/src/com/intellij/ui/classFilter/ClassFilter.java
index 05500e31ebd3..b93deafa1fe8 100644
--- a/java/openapi/src/com/intellij/ui/classFilter/ClassFilter.java
+++ b/java/openapi/src/com/intellij/ui/classFilter/ClassFilter.java
@@ -17,15 +17,20 @@
 package com.intellij.ui.classFilter;
 
 import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.util.DefaultJDOMExternalizer;
+import com.intellij.openapi.util.InvalidDataException;
+import com.intellij.openapi.util.JDOMExternalizable;
+import com.intellij.openapi.util.WriteExternalException;
 import com.intellij.util.xmlb.annotations.Attribute;
 import com.intellij.util.xmlb.annotations.Tag;
 import com.intellij.util.xmlb.annotations.Transient;
+import org.jdom.Element;
 
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 @Tag("class-filter")
-public class ClassFilter implements Cloneable {
+public class ClassFilter implements JDOMExternalizable, Cloneable{
   private static final Logger LOG = Logger.getInstance("#com.intellij.ui.classFilter.ClassFilter");
   public static final ClassFilter[] EMPTY_ARRAY = new ClassFilter[0];
 
@@ -67,6 +72,16 @@ public class ClassFilter implements Cloneable {
     return getPattern();
   }
 
+  @Override
+  public void readExternal(Element element) throws InvalidDataException {
+    DefaultJDOMExternalizer.readExternal(this, element);
+  }
+
+  @Override
+  public void writeExternal(Element element) throws WriteExternalException {
+    DefaultJDOMExternalizer.writeExternal(this, element);
+  }
+
   public boolean equals(Object o) {
     if (this == o) return true;
     if (!(o instanceof ClassFilter)) return false;