br.com.objectos.git.Tree Maven / Gradle / Ivy

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/*
 * Copyright (C) 2020-2022 Objectos Software LTDA.
 *
 * 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 br.com.objectos.git;

import br.com.objectos.collections.list.ImmutableList;
import br.com.objectos.core.object.ToString;

/**
 * A Git tree object resulting from a read tree operation.
 *
 * @since 1
 */
public final class Tree extends GitObject {

  final ImmutableList entries;

  private int index;

  Tree(ImmutableList entries, ObjectId objectId) {
    super(objectId);

    this.entries = entries;
  }

  @Override
  public final void formatToString(StringBuilder sb, int depth) {
    ToString.formatStart(sb, this);

    for (int i = 0, size = entries.size(); i < size; i++) {
      sb.append('\n');

      ToString.appendIndentation(sb, depth);

      Entry e;
      e = entries.get(i);

      sb.append(e.print());
    }

    sb.append('\n');

    ToString.formatEnd(sb, depth);
  }

  /**
   * Returns the entries of this tree object.
   *
   * @return the entries of this tree object
   */
  public final ImmutableList getEntries() {
    return entries;
  }

  final boolean hasNextEntry() {
    return index < entries.size();
  }

  final Entry nextEntry() {
    return entries.get(index++);
  }

}