SSR: introduce DefaultMatchResultSink

platform/structuralsearch/source/com/intellij/structuralsearch/DefaultMatchResultSink.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2000-2015 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.structuralsearch;
+
+import com.intellij.openapi.progress.ProgressIndicator;
+import com.intellij.psi.PsiFile;
+
+/**
+ * @author Bas Leijdekkers
+ */
+public class DefaultMatchResultSink implements MatchResultSink {
+  @Override
+  public void newMatch(MatchResult result) {
+
+  }
+
+  @Override
+  public void processFile(PsiFile element) {
+
+  }
+
+  @Override
+  public void setMatchingProcess(MatchingProcess matchingProcess) {
+
+  }
+
+  @Override
+  public void matchingFinished() {
+
+  }
+
+  @Override
+  public ProgressIndicator getProgressIndicator() {
+    return null;
+  }
+}

platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/MatcherImpl.java

@@ -158,28 +158,11 @@ public class MatcherImpl {
 
     matchContext.setSink(
       new DuplicateFilteringResultSink(
-        new MatchResultSink() {
+        new DefaultMatchResultSink() {
           @Override
           public void newMatch(MatchResult result) {
             processor.process(result, configuration);
           }
-
-          @Override
-          public void processFile(PsiFile element) {
-          }
-
-          @Override
-          public void setMatchingProcess(MatchingProcess matchingProcess) {
-          }
-
-          @Override
-          public void matchingFinished() {
-          }
-
-          @Override
-          public ProgressIndicator getProgressIndicator() {
-            return null;
-          }
         }
       )
     );

platform/structuralsearch/source/com/intellij/structuralsearch/plugin/util/CollectingMatchResultSink.java

@@ -1,38 +1,20 @@
 package com.intellij.structuralsearch.plugin.util;
 
-import com.intellij.openapi.progress.ProgressIndicator;
-import com.intellij.psi.PsiFile;
+import com.intellij.structuralsearch.DefaultMatchResultSink;
 import com.intellij.structuralsearch.MatchResult;
-import com.intellij.structuralsearch.MatchResultSink;
-import com.intellij.structuralsearch.MatchingProcess;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class CollectingMatchResultSink implements MatchResultSink {
+public class CollectingMatchResultSink extends DefaultMatchResultSink {
   private final List<MatchResult> matches = new ArrayList<MatchResult>();
 
+  @Override
   public void newMatch(MatchResult result) {
     matches.add(result);
   }
 
-  /* Notifies sink about starting the matching for given element
-   * @param element the current file
-   */
-  public void processFile(PsiFile element) {
-  }
-
-  public void matchingFinished() {
-  }
-
-  public ProgressIndicator getProgressIndicator() {
-    return null;
-  }
-
-  public void setMatchingProcess(MatchingProcess process) {
-  }
-
   @NotNull
   public List<MatchResult> getMatches() {
     return matches;