MaterialBooleanProperty.java

package com.bergerkiller.bukkit.common;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Locale;

import org.bukkit.Material;

/**
 * Base class for material properties that return a Boolean when getting.
 * Provides a basic implementation for toString to list all enabled (True) elements
 */
public abstract class MaterialBooleanProperty extends MaterialProperty<Boolean> {

	/**
	 * Gets an immutable collection of all Materials this property gets True on
	 * 
	 * @return True material collection
	 */
	public Collection<Material> getMaterials() {
		List<Material> mats = new ArrayList<Material>(20);
		for (Material mat : mats) {
			if (Boolean.TRUE.equals(get(mat))) {
				mats.add(mat);
			}
		}
		return Collections.unmodifiableCollection(mats);
	}

	@Override
	public String toString() {
		StringBuilder builder = new StringBuilder();
		for (Material material : getMaterials()) {
			if (builder.length() > 0) {
				builder.append(';');
			}
			builder.append(material.toString().toLowerCase(Locale.ENGLISH));
		}
		return builder.toString();
	}
}