plugins/InspectionGadgets/src/com/siyeh/ig/serialization/ExternalizableWithoutPublicNoArgConstructorInspection.java

/*
 * Copyright 2000-2013 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.siyeh.ig.serialization;

import com.intellij.codeInsight.daemon.impl.quickfix.AddDefaultConstructorFix;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.util.IncorrectOperationException;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.DelegatingFix;
import com.siyeh.ig.InspectionGadgetsFix;
import org.jetbrains.annotations.NotNull;

/**
 * @author Bas Leijdekkers
 */
public class ExternalizableWithoutPublicNoArgConstructorInspection extends ExternalizableWithoutPublicNoArgConstructorInspectionBase {

  @Override
  protected InspectionGadgetsFix buildFix(Object... infos) {
    final PsiMethod constructor = (PsiMethod)infos[1];
    if (constructor == null) {
      final PsiClass aClass = (PsiClass)infos[0];
      if (aClass instanceof PsiAnonymousClass) {
        // can't create constructor for anonymous class
        return null;
      }
      return new DelegatingFix(new AddDefaultConstructorFix(aClass, PsiModifier.PUBLIC));
    }
    else {
      return new MakeConstructorPublicFix();
    }
  }

  private static class MakeConstructorPublicFix extends InspectionGadgetsFix {

    @Override
    @NotNull
    public String getName() {
      return InspectionGadgetsBundle.message("make.constructor.public");
    }

    @NotNull
    @Override
    public String getFamilyName() {
      return getName();
    }

    @Override
    public void doFix(Project project, ProblemDescriptor descriptor)
      throws IncorrectOperationException {
      final PsiElement classNameIdentifier = descriptor.getPsiElement();
      final PsiClass aClass = (PsiClass)classNameIdentifier.getParent();
      if (aClass == null) {
        return;
      }
      final PsiMethod constructor = getNoArgConstructor(aClass);
      if (constructor == null) {
        return;
      }
      constructor.getModifierList().setModifierProperty(PsiModifier.PUBLIC, true);
    }
  }
}