content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
   *
   *     https://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 org.apache.avro.mojo;
  
  import org.apache.maven.plugin.logging.Log;
  import org.apache.velocity.util.StringBuilderWriter;
  
  import java.io.PrintWriter;
  import java.util.ArrayList;
  import java.util.List;
  
  public class TestLog implements Log {
  
    private final List<String> logEntries = new ArrayList<>();
  
    public List<String> getLogEntries() {
      return logEntries;
    }
  
    private void log(String level, CharSequence content, Throwable error) {
      StringBuilder buffer = new StringBuilder();
      buffer.append('[').append(level).append("]");
      if (content != null) {
        buffer.append(' ').append(content);
      }
      if (error != null) {
        buffer.append(content == null ? " " : System.lineSeparator());
        error.printStackTrace(new PrintWriter(new StringBuilderWriter(buffer)));
      }
      logEntries.add(buffer.toString());
    }
  
    @Override
    public boolean isDebugEnabled() {
      return true;
    }
  
    @Override
    public void debug(CharSequence content) {
      debug(content, null);
    }
  
    @Override
    public void debug(CharSequence content, Throwable error) {
      log("DEBUG", content, error);
    }
  
    @Override
    public void debug(Throwable error) {
      debug(null, error);
    }
  
    @Override
    public boolean isInfoEnabled() {
      return true;
    }
  
    @Override
    public void info(CharSequence content) {
      info(content, null);
    }
  
    @Override
    public void info(CharSequence content, Throwable error) {
      log("INFO", content, error);
    }
  
    @Override
    public void info(Throwable error) {
      info(null, error);
    }
  
    @Override
    public boolean isWarnEnabled() {
      return true;
    }
  
    @Override
    public void warn(CharSequence content) {
      warn(content, null);
    }
  
    @Override
    public void warn(CharSequence content, Throwable error) {
      log("WARN", content, error);
    }
  
    @Override
    public void warn(Throwable error) {
      warn(null, error);
    }
  
    @Override
    public boolean isErrorEnabled() {
      return true;
    }
  
    @Override
    public void error(CharSequence content) {
      error(content, null);
    }
  
    @Override
    public void error(CharSequence content, Throwable error) {
      log("ERROR", content, error);
    }
  
    @Override
    public void error(Throwable error) {
      error(null, error);
    }
  }
  