GrReplacePrimitiveTypeWithWrapperFix.java

/*
 * Copyright 2000-2017 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 org.jetbrains.plugins.groovy.annotator.intentions;

import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiClassType;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiPrimitiveType;
import com.intellij.psi.PsiType;
import com.intellij.psi.codeStyle.JavaCodeStyleManager;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.codeInspection.GroovyFix;
import org.jetbrains.plugins.groovy.intentions.GroovyIntentionsBundle;
import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementFactory;
import org.jetbrains.plugins.groovy.lang.psi.api.types.GrTypeElement;

/**
 * @author Max Medvedev
 */
public class GrReplacePrimitiveTypeWithWrapperFix extends GroovyFix {
  private static final Logger LOG = Logger.getInstance(GrReplacePrimitiveTypeWithWrapperFix.class);

  private final String myBoxedName;

  public GrReplacePrimitiveTypeWithWrapperFix(GrTypeElement typeElement) {
    LOG.assertTrue(typeElement.isValid());

    final PsiType type = typeElement.getType();
    LOG.assertTrue(type instanceof PsiPrimitiveType);

    myBoxedName = ((PsiPrimitiveType)type).getBoxedTypeName();
  }

  @NotNull
  @Override
  public String getName() {
    return GroovyIntentionsBundle.message("replace.with.wrapper", myBoxedName);
  }

  @NotNull
  @Override
  public String getFamilyName() {
    return GroovyIntentionsBundle.message("replace.primitive.type.with.wrapper");
  }

  @Override
  protected void doFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) throws IncorrectOperationException {
    final PsiElement element = descriptor.getPsiElement();
    assert element instanceof GrTypeElement : element;

    GrTypeElement typeElement = (GrTypeElement)element;
    final PsiType type = typeElement.getType();
    if (!(type instanceof PsiPrimitiveType)) return;

    final PsiClassType boxed = ((PsiPrimitiveType)type).getBoxedType(typeElement);
    if (boxed == null) return;
    final GrTypeElement newTypeElement = GroovyPsiElementFactory.getInstance(project).createTypeElement(boxed);

    final PsiElement replaced = typeElement.replace(newTypeElement);
    JavaCodeStyleManager.getInstance(project).shortenClassReferences(replaced);
  }
}