plugins/java-i18n/src/com/intellij/codeInspection/i18n/inconsistentResourceBundle/DuplicatedPropertiesInspectionProvider.java

/*
 * 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.codeInspection.i18n.inconsistentResourceBundle;

import com.intellij.codeInspection.*;
import com.intellij.codeInspection.reference.RefManager;
import com.intellij.lang.properties.IProperty;
import com.intellij.lang.properties.RemovePropertyLocalFix;
import com.intellij.lang.properties.psi.PropertiesFile;
import com.intellij.openapi.util.Comparing;
import com.intellij.util.containers.BidirectionalMap;
import gnu.trove.THashSet;
import org.jetbrains.annotations.NotNull;

import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * @author Dmitry Batkovich
 */
public class DuplicatedPropertiesInspectionProvider implements InconsistentResourceBundleInspectionProvider {
  @NotNull
  @Override
  public String getName() {
    return "REPORT_DUPLICATED_PROPERTIES";
  }

  @NotNull
  @Override
  public String getPresentableName() {
    return InspectionsBundle.message("inconsistent.bundle.report.duplicate.properties.values");
  }

  @Override
  public void check(BidirectionalMap<PropertiesFile, PropertiesFile> parents,
                    List<PropertiesFile> files,
                    Map<PropertiesFile, Set<String>> keysUpToParent,
                    Map<PropertiesFile, Map<String, String>> propertiesFilesNamesMaps,
                    InspectionManager manager,
                    RefManager refManager,
                    ProblemDescriptionsProcessor processor) {
    for (PropertiesFile file : files) {
      PropertiesFile parent = parents.get(file);
      if (parent == null) continue;
      Set<String> parentKeys = keysUpToParent.get(parent);
      Set<String> overriddenKeys = new THashSet<String>(propertiesFilesNamesMaps.get(file).keySet());
      overriddenKeys.retainAll(parentKeys);
      for (String overriddenKey : overriddenKeys) {
        IProperty property = file.findPropertyByKey(overriddenKey);
        assert property != null;
        while (parent != null) {
          IProperty parentProperty = parent.findPropertyByKey(overriddenKey);
          if (parentProperty != null && Comparing.strEqual(property.getValue(), parentProperty.getValue())) {
            String message = InspectionsBundle.message("inconsistent.bundle.property.inherited.with.the.same.value", parent.getName());
            ProblemDescriptor descriptor = manager.createProblemDescriptor(property.getPsiElement(), message,
                                                                           RemovePropertyLocalFix.INSTANCE,
                                                                           ProblemHighlightType.GENERIC_ERROR_OR_WARNING, false);
            processor.addProblemElement(refManager.getReference(file.getContainingFile()), descriptor);
          }
          parent = parents.get(parent);
        }
      }
    }
  }
}