plugins/InspectionGadgets/src/com/siyeh/ig/naming/MethodNameSameAsClassNameInspection.java

/*
 * Copyright 2003-2009 Dave Griffith, Bas Leijdekkers
 *
 * 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.naming;

import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.PsiTypeElement;
import com.intellij.util.IncorrectOperationException;
import com.siyeh.InspectionGadgetsBundle;
import com.siyeh.ig.InspectionGadgetsFix;
import com.siyeh.ig.fixes.RenameFix;
import org.jetbrains.annotations.NotNull;

public class MethodNameSameAsClassNameInspection extends MethodNameSameAsClassNameInspectionBase {

  @Override
  @NotNull
  protected InspectionGadgetsFix[] buildFixes(Object... infos) {
    final Boolean onTheFly = (Boolean)infos[0];
    if (onTheFly.booleanValue()) {
      return new InspectionGadgetsFix[]{
        new RenameFix(), new MethodNameSameAsClassNameFix()};
    }
    else {
      return new InspectionGadgetsFix[]{
        new MethodNameSameAsClassNameFix()
      };
    }
  }

  private static class MethodNameSameAsClassNameFix
    extends InspectionGadgetsFix {

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

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

    @Override
    protected void doFix(Project project, ProblemDescriptor descriptor)
      throws IncorrectOperationException {
      final PsiElement element = descriptor.getPsiElement();
      final PsiElement parent = element.getParent();
      if (!(parent instanceof PsiMethod)) {
        return;
      }
      final PsiMethod method = (PsiMethod)parent;
      final PsiTypeElement returnTypeElement =
        method.getReturnTypeElement();
      if (returnTypeElement == null) {
        return;
      }
      returnTypeElement.delete();
    }
  }
}