org.bukkit.block.banner.Pattern Maven / Gradle / Ivy

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package org.bukkit.block.banner;

import com.google.common.collect.ImmutableMap;
import org.bukkit.DyeColor;
import org.bukkit.configuration.serialization.ConfigurationSerializable;
import org.bukkit.configuration.serialization.SerializableAs;

import java.util.Map;
import java.util.NoSuchElementException;

@SerializableAs("Pattern")
public class Pattern implements ConfigurationSerializable {

  private static final String COLOR = "color";
  private static final String PATTERN = "pattern";

  private final DyeColor color;
  private final PatternType pattern;

  /**
   * Creates a new pattern from the specified color and
   * pattern type
   *
   * @param color   the pattern color
   * @param pattern the pattern type
   */
  public Pattern(DyeColor color, PatternType pattern) {
    this.color = color;
    this.pattern = pattern;
  }

  /**
   * Constructor for deserialization.
   *
   * @param map the map to deserialize from
   */
  public Pattern(Map map) {
    color = DyeColor.valueOf(getString(map, COLOR));
    pattern = PatternType.getByIdentifier(getString(map, PATTERN));
  }

  private static String getString(Map map, Object key) {
    Object str = map.get(key);
    if (str instanceof String) {
      return (String) str;
    }
    throw new NoSuchElementException(map + " does not contain " + key);
  }

  @Override
  public Map serialize() {
    return ImmutableMap.of(
      COLOR, color.toString(),
      PATTERN, pattern.getIdentifier()
    );
  }

  /**
   * Returns the color of the pattern
   *
   * @return the color of the pattern
   */
  public DyeColor getColor() {
    return color;
  }

  /**
   * Returns the type of pattern
   *
   * @return the pattern type
   */
  public PatternType getPattern() {
    return pattern;
  }

  @Override
  public int hashCode() {
    int hash = 3;
    hash = 97 * hash + (this.color != null ? this.color.hashCode() : 0);
    hash = 97 * hash + (this.pattern != null ? this.pattern.hashCode() : 0);
    return hash;
  }

  @Override
  public boolean equals(Object obj) {
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final Pattern other = (Pattern) obj;
    return this.color == other.color && this.pattern == other.pattern;
  }
}