/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * 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.google.errorprone.refaster.testdata.template;

import com.google.common.base.MoreObjects;
import com.google.common.primitives.Ints;
import com.google.errorprone.refaster.annotation.AfterTemplate;
import com.google.errorprone.refaster.annotation.BeforeTemplate;

/**
 * Example Refaster template matching a {@code try} statement.
 * 
 * @author lowasser@google.com (Louis Wasserman)
 */
public class TryTemplate {
  @BeforeTemplate
  void tryParseInt(int result, String str, int defaultValue) {
    try {
      result = Integer.parseInt(str);
    } catch (NumberFormatException e) {
      result = defaultValue;
    }
  }
  
  @AfterTemplate
  void oneLiner(int result, String str, int defaultValue) {
    result = MoreObjects.firstNonNull(Ints.tryParse(str), defaultValue);
  }
}