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Java client for Arcus memcached

There is a newer version: 1.13.2

/*
 * arcus-java-client : Arcus Java client
 * Copyright 2010-2014 NAVER Corp.
 *
 * 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 net.spy.memcached.collection;

import net.spy.memcached.compat.SpyObject;

public class Attributes extends SpyObject {
	public static final Integer DEFAULT_FLAGS = 0;
	public static final Integer DEFAULT_EXPIRETIME = 0;

	protected Integer flags;
	protected Integer expireTime;
	protected CollectionType type;

	private String str;

	public Attributes() {
	}

	public Attributes(Integer expireTime) {
		this.expireTime = expireTime;
	}

	protected String stringify() {
		StringBuilder b = new StringBuilder();

		if (flags != null)
			b.append(" flags=").append(flags);

		if (expireTime != null)
			b.append(" expiretime=").append(expireTime);

		if (type != null)
			b.append(" type=").append(type.getStringValue());

		str = (b.length() < 1) ? "" : b.substring(1);

		return str;
	}

	@Override
	public String toString() {
		return (str == null) ? stringify() : str;
	}

	public int getLength() {
		return (str == null) ? stringify().length() : str.length();
	}

	public void setAttribute(String attribute) {
		String[] splited = attribute.split("=");
		assert splited.length == 2 : "An attribute should be given in \"name=value\" format.";

		String name = splited[0];
		String value = splited[1];

		try {
			if ("flags".equals(name)) {
				flags = Integer.parseInt(value);
			} else if ("expiretime".equals(name)) {
				expireTime = Integer.parseInt(value);
			} else if ("type".equals(name)) {
				type = CollectionType.find(value);
			}
		} catch (Exception e) {
			getLogger().info(e, e);
			assert false : "Unexpected value.";
		}
	}

	public void setExpireTime(Integer expireTime) {
		this.expireTime = expireTime;
	}

	public Integer getFlags() {
		return flags;
	}

	public Integer getExpireTime() {
		return expireTime;
	}

	public CollectionType getType() {
		return type;
	}
}