Postfix completion: extract condition constant

java/java-impl/src/com/intellij/codeInsight/template/postfix/templates/NotExpressionPostfixTemplate.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed 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 com.intellij.codeInsight.template.postfix.templates;
 
 import com.intellij.codeInsight.CodeInsightServicesUtil;
@@ -10,6 +25,13 @@ import org.jetbrains.annotations.NotNull;
 
 @Aliases("!")
 public class NotExpressionPostfixTemplate extends ExpressionPostfixTemplateWithChooser {
+  private static final Condition<PsiExpression> BOOLEAN_TYPE_CONDITION = new Condition<PsiExpression>() {
+    @Override
+    public boolean value(PsiExpression expression) {
+      return PostfixTemplatesUtils.isBoolean(expression.getType());
+    }
+  };
+
   public NotExpressionPostfixTemplate() {
     super("not", "Negates boolean expression", "!expr");
   }
@@ -22,11 +44,6 @@ public class NotExpressionPostfixTemplate extends ExpressionPostfixTemplateWithC
   @NotNull
   @Override
   protected Condition<PsiExpression> getTypeCondition() {
-    return new Condition<PsiExpression>() {
-      @Override
-      public boolean value(PsiExpression expression) {
-        return PostfixTemplatesUtils.isBoolean(expression.getType());
-      }
-    };
+    return BOOLEAN_TYPE_CONDITION;
   }
 }