NotEqualTransformation.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.
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package org.jetbrains.plugins.groovy.codeInspection.changeToMethod.transformations;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrBinaryExpression;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;

import static java.lang.String.format;
import static org.jetbrains.plugins.groovy.codeInspection.GrInspectionUtil.replaceExpression;

public class NotEqualTransformation extends BinaryTransformation {
  @Override
  public void apply(@NotNull GrBinaryExpression expression) {
    GrExpression lhsParenthesized = addParenthesesIfNeeded(getLhs(expression));
    replaceExpression(expression, format("!%s.equals(%s)", lhsParenthesized.getText(), getRhs(expression).getText()));
  }

  @Override
  public String getMethod() {
    return "equals";
  }
}