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Common data (bounds and content) definitions

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/* Annot8 (annot8.io) - Licensed under Apache-2.0. */
package io.annot8.common.data.bounds;

import io.annot8.api.data.Content;
import io.annot8.common.data.content.Row;
import io.annot8.common.data.content.TableContent;
import jakarta.json.bind.annotation.JsonbCreator;
import jakarta.json.bind.annotation.JsonbProperty;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;

/**
 * Bounds to represent multiple cells within a table row
 *
 * This bounds implementation will only return instances of MultiCellData with getData
 */
public class MultiCellBounds extends AbstractCellBounds {

  private final int[] cells;
  private final int row;

  @JsonbCreator
  public MultiCellBounds(@JsonbProperty("row") int row, @JsonbProperty("cells") int[] cells) {
    this.row = row;
    this.cells = cells;
  }

  public int getRow() {
    return row;
  }

  public int[] getCells() {
    return cells;
  }

  @Override
  public , R> Optional getData(C content, Class requiredClass) {
    if (requiredClass.equals(MultiCellData.class)) {
      if (!isValid(content)) {
        return Optional.empty();
      }

      TableContent tableContent = (TableContent) content;
      Optional rowOptional = tableContent.getData().getRow(this.row);

      if (rowOptional.isPresent()) {
        Row r = rowOptional.get();
        Map values = new HashMap<>();
        Map headers = new HashMap<>();
        for (int i : cells) {
          Optional