/*
    * Copyright 2018 SPF4J.
    *
    * 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 org.spf4j.test.log;
  
  import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  import org.spf4j.log.Level;
  
  /**
   *
   * @author Zoltan Farkas
   */
  @SuppressWarnings("checkstyle:VisibilityModifier")
  abstract class LogMatchingHandler implements LogHandler, LogAssert {
  
    private final Level minLevel;
  
    final LogStreamMatcher streamMatcher;
  
    LogMatchingHandler(final Level minLevel, final LogStreamMatcher streamMatcher) {
      this.streamMatcher = streamMatcher;
      this.minLevel = minLevel;
    }
  
    public abstract void close();
  
  
    @Override
    public Handling handles(final Level level) {
      return level.ordinal() >= minLevel.ordinal() ? Handling.HANDLE_PASS : Handling.NONE;
    }
  
    @Override
    @SuppressFBWarnings("CFS_CONFUSING_FUNCTION_SEMANTICS")
    public TestLogRecord handle(final TestLogRecord record) {
      streamMatcher.accept(record);
      return record;
    }
  
  
    @Override
    public void assertObservation() {
      close();
      if (!streamMatcher.isMatched()) {
        throw new AssertionError(streamMatcher.toString());
      }
    }
  
  
    @Override
    public String toString() {
      return "LogMatchingHandler{" + "minLevel=" + minLevel + ", matchers=" + streamMatcher + '}';
    }
  
  
  }