/*
* 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.jetbrains.python.refactoring.classes.membersManager;
import com.intellij.psi.PsiNamedElement;
import com.jetbrains.NotNullPredicate;
import com.jetbrains.python.psi.PyElement;
import org.jetbrains.annotations.NotNull;
/**
* Filters out named elements (ones that subclasses {@link com.intellij.psi.PsiNamedElement}) and {@link com.jetbrains.python.psi.PyElement})
* that are null or has null name.
* You need it sometimes when code has errors (i.e. bad formatted code with annotation may treat annotation as method with null name.
*
* @author Ilya.Kazakevich
*/
class NamelessFilter<T extends PyElement & PsiNamedElement> extends NotNullPredicate<T> {
@Override
public boolean applyNotNull(@NotNull final T input) {
return input.getName() != null;
}
}