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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2021 Guardsquare NV
 *
 * 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 proguard.classfile.util;

import java.util.List;
import org.apache.logging.log4j.Logger;

public class WarningLogger extends WarningPrinter {

  private final Logger logger;
  private int warningCount = 0;

  public WarningLogger(Logger logger) {
    super(null);
    this.logger = logger;
  }

  public WarningLogger(Logger logger, List classFilter) {
    super(null, classFilter);
    this.logger = logger;
  }

  @Override
  public int getWarningCount() {
    return warningCount;
  }

  @Override
  public void print(String className, String message) {
    if (accepts(className)) {
      logger.warn(message);
      warningCount++;
    }
  }

  @Override
  public void print(String className, String className2, String message) {
    if (accepts(className, className2)) {
      logger.warn(message);
      warningCount++;
    }
  }

  @Override
  public void note(String className, String message) {
    if (accepts(className)) {
      logger.info(message);
    }
  }

  @Override
  public void note(String className, String className2, String message) {
    if (accepts(className, className2)) {
      logger.info(message);
    }
  }
}