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Core YAML 1.2 parser and emitter for Java

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/*
 * Copyright (c) 2018, SnakeYAML
 *
 * 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.snakeyaml.engine.v2.events;

import java.util.Optional;
import org.snakeyaml.engine.v2.exceptions.Mark;

/**
 * Marks the end of a document.
 * 
 * This event follows the document's content.
 * 
 */
public final class DocumentEndEvent extends Event {

  private final boolean explicit;

  public DocumentEndEvent(boolean explicit, Optional startMark, Optional endMark) {
    super(startMark, endMark);
    this.explicit = explicit;
  }

  public DocumentEndEvent(boolean explicit) {
    this(explicit, Optional.empty(), Optional.empty());
  }

  public boolean isExplicit() {
    return explicit;
  }

  @Override
  public ID getEventId() {
    return ID.DocumentEnd;
  }

  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder("-DOC");
    if (isExplicit()) {
      builder.append(" ...");
    }
    return builder.toString();
  }
}