/*
 * Copyright (C) 2013 The Guava Authors
 *
 * 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 com.google.thirdparty.publicsuffix;

import com.google.common.annotations.GwtCompatible;

/**
 * Specifies the type of a top-level domain definition.
 */
@GwtCompatible
enum PublicSuffixType {

	/** private definition of a top-level domain */
	PRIVATE(':', ','),
	/** ICANN definition of a top-level domain */
	ICANN('!', '?');

	/** The character used for an inner node in the trie encoding */
	private final char innerNodeCode;

	/** The character used for a leaf node in the trie encoding */
	private final char leafNodeCode;

	private PublicSuffixType(char innerNodeCode, char leafNodeCode) {
		this.innerNodeCode = innerNodeCode;
		this.leafNodeCode = leafNodeCode;
	}

	char getLeafNodeCode() {
		return leafNodeCode;
	}

	char getInnerNodeCode() {
		return innerNodeCode;
	}

	/** Returns a PublicSuffixType of the right type according to the given code */
	static PublicSuffixType fromCode(char code) {
		for (PublicSuffixType value : values()) {
			if (value.getInnerNodeCode() == code || value.getLeafNodeCode() == code) {
				return value;
			}
		}
		throw new IllegalArgumentException("No enum corresponding to given code: " + code);
	}

	static PublicSuffixType fromIsPrivate(boolean isPrivate) {
		return isPrivate ? PRIVATE : ICANN;
	}
}
