java/java-tests/testSrc/com/intellij/refactoring/RefactoringTestUtil.java

/*
 * Copyright 2000-2010 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.
 */

/*
 * User: anna
 * Date: 02-Jun-2010
 */
package com.intellij.refactoring;

import com.intellij.psi.*;
import com.intellij.refactoring.util.classMembers.MemberInfo;
import junit.framework.Assert;

public class RefactoringTestUtil {
  public static MemberInfo[] findMembers(final PsiClass sourceClass, final MemberDescriptor... membersToFind) {
    MemberInfo[] infos = new MemberInfo[membersToFind.length];
    for (int i = 0; i < membersToFind.length; i++) {
      final Class<? extends PsiMember> clazz = membersToFind[i].myClass;
      final String name = membersToFind[i].myName;
      PsiMember member = null;
      boolean overrides = false;
      PsiReferenceList refList = null;
      if (PsiClass.class.isAssignableFrom(clazz)) {
        member = sourceClass.findInnerClassByName(name, false);
        if (member == null) {
          final PsiClass[] supers = sourceClass.getSupers();
          for (PsiClass superTypeClass : supers) {
            if (superTypeClass.getName().equals(name)) {
              member = superTypeClass;
              overrides = true;
              refList = superTypeClass.isInterface() ? sourceClass.getImplementsList() : sourceClass.getExtendsList();
              break;
            }
          }
        }

      } else if (PsiMethod.class.isAssignableFrom(clazz)) {
        final PsiMethod[] methods = sourceClass.findMethodsByName(name, false);
        Assert.assertEquals(1, methods.length);
        member = methods[0];
      } else if (PsiField.class.isAssignableFrom(clazz)) {
        member = sourceClass.findFieldByName(name, false);
      }

      Assert.assertNotNull(member);
      infos[i] = new MemberInfo(member, overrides, refList);
      infos[i].setToAbstract(membersToFind[i].myAbstract);
    }
    return infos;
  }

  public static class MemberDescriptor {
    private String myName;
    private Class<? extends PsiMember> myClass;
    private boolean myAbstract;

    public MemberDescriptor(String name, Class<? extends PsiMember> aClass, boolean isAbstract) {
      myName = name;
      myClass = aClass;
      myAbstract = isAbstract;
    }


    public MemberDescriptor(String name, Class<? extends PsiMember> aClass) {
      this(name, aClass, false);
    }
  }
}