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/*
* Copyright 2000-2009 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.completion;
import com.intellij.codeInsight.ExpectedTypeInfo;
import com.intellij.codeInsight.ExpectedTypeInfoImpl;
import com.intellij.codeInsight.lookup.LookupElement;
import com.intellij.codeInsight.lookup.LookupItem;
import com.intellij.psi.*;
import com.intellij.psi.statistics.JavaStatisticsManager;
import com.intellij.psi.statistics.StatisticsInfo;
import com.intellij.psi.util.InheritanceUtil;
import com.intellij.util.containers.ContainerUtil;
import java.util.List;
/**
* @author peter
*/
public class JavaCompletionStatistician extends CompletionStatistician{
@Override
public StatisticsInfo serialize(final LookupElement element, final CompletionLocation location) {
Object o = element.getObject();
if (o instanceof PsiLocalVariable || o instanceof PsiParameter || o instanceof PsiThisExpression || o instanceof PsiKeyword) {
return StatisticsInfo.EMPTY;
}
LookupItem item = element.as(LookupItem.CLASS_CONDITION_KEY);
if (item == null) return null;
PsiType qualifierType = JavaCompletionUtil.getQualifierType(item);
if (o instanceof PsiMember) {
final ExpectedTypeInfo[] infos = JavaCompletionUtil.EXPECTED_TYPES.getValue(location);
final ExpectedTypeInfo firstInfo = infos != null && infos.length > 0 ? infos[0] : null;
String key2 = JavaStatisticsManager.getMemberUseKey2((PsiMember)o);
if (o instanceof PsiClass) {
PsiType expectedType = firstInfo != null ? firstInfo.getDefaultType() : null;
return new StatisticsInfo(JavaStatisticsManager.getAfterNewKey(expectedType), key2);
}
PsiClass containingClass = ((PsiMember)o).getContainingClass();
if (containingClass != null) {
String expectedName = firstInfo instanceof ExpectedTypeInfoImpl ? ((ExpectedTypeInfoImpl)firstInfo).expectedName.compute() : null;
String contextPrefix = expectedName == null ? "" : "expectedName=" + expectedName + "###";
String context = contextPrefix + JavaStatisticsManager.getMemberUseKey2(containingClass);
if (o instanceof PsiMethod) {
String memberValue = JavaStatisticsManager.getMemberUseKey2(RecursionWeigher.findDeepestSuper((PsiMethod)o));
List<StatisticsInfo> superMethodInfos = ContainerUtil.newArrayList(new StatisticsInfo(contextPrefix + context, memberValue));
for (PsiClass superClass : InheritanceUtil.getSuperClasses(containingClass)) {
superMethodInfos.add(new StatisticsInfo(contextPrefix + JavaStatisticsManager.getMemberUseKey2(superClass), memberValue));
}
return StatisticsInfo.createComposite(superMethodInfos);
}
return new StatisticsInfo(context, key2);
}
}
if (qualifierType != null) return StatisticsInfo.EMPTY;
return null;
}
}
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