PropertiesInheritorsSearcher.java

/*
 * Copyright 2000-2016 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.lang.properties.editor;

import com.intellij.lang.properties.IProperty;
import com.intellij.lang.properties.PropertiesImplUtil;
import com.intellij.lang.properties.PropertiesUtil;
import com.intellij.lang.properties.psi.PropertiesFile;
import com.intellij.lang.properties.psi.Property;
import com.intellij.openapi.application.QueryExecutorBase;
import com.intellij.openapi.application.ReadAction;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.searches.DefinitionsScopedSearch;
import com.intellij.util.Processor;
import org.jetbrains.annotations.NotNull;

import java.util.Collections;
import java.util.Objects;

/**
 * @author Dmitry Batkovich
 */
public class PropertiesInheritorsSearcher extends QueryExecutorBase<PsiElement, DefinitionsScopedSearch.SearchParameters> {
  private static final Logger LOG = Logger.getInstance(PropertiesInheritorsSearcher.class);

  @Override
  public void processQuery(@NotNull DefinitionsScopedSearch.SearchParameters queryParameters, @NotNull Processor<PsiElement> consumer) {
    final PsiElement element = queryParameters.getElement();
    Property prop = ReadAction.compute(() -> GotoPropertyParentDeclarationHandler.findProperty(element));
    if (prop == null || !(queryParameters.getScope() instanceof GlobalSearchScope)) {
      return;
    }
    ReadAction.run(() -> {
      final String key = prop.getKey();
      if (!prop.isValid() || key == null) return;
      final PropertiesFile currentFile = PropertiesImplUtil.getPropertiesFile(prop.getContainingFile());
      LOG.assertTrue(currentFile != null);
      final GlobalSearchScope scope = (GlobalSearchScope)queryParameters.getScope();
      currentFile.getResourceBundle()
        .getPropertiesFiles()
        .stream()
        .filter(f -> f.equals(currentFile))
        .filter(f -> scope.contains(f.getVirtualFile()))
        .filter(f -> PropertiesUtil.getParent(f, Collections.singleton(currentFile)) == currentFile)
        .map(f -> f.findPropertyByKey(key))
        .filter(Objects::nonNull)
        .map(IProperty::getPsiElement)
        .anyMatch(psiElement -> {
          ProgressManager.checkCanceled();
          return !consumer.process(psiElement);
        });
    });
  }

}