ItemBuilder.java 文件源码

/**
 * Adds {@link Pattern}s to this banner, assuming it is a banner.
 * <p />
 * <b>UNSAFE</b>
 *
 * @param patterns patterns to add
 *
 * @return this item builder instance, for chaining
 */
public ItemBuilder bannerAdd(Pattern... patterns) {
  if (patterns == null) {
    if (!this.failSilently) {
      throw new IllegalArgumentException("patterns cannot be null.");
    }
    return this;
  }
  if (isBannerMeta()) {
    try {
      for (Pattern pattern : patterns) {
        if (pattern != null) {
          ((BannerMeta) this.itemMeta).addPattern(pattern);
        } else {
          throw new NullPointerException("pattern element is null.");
        }
      }
    } catch (Exception e) {
      if (!this.failSilently) {
        e.printStackTrace();
      }
    }
  }
  return this;
}