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jBasics is a collection of useful utility classes for Java. This includes helper for XML, mathematic functions, restful web services helper, pattern oriented programming interfaces and more. Currently Java7 and up is supported. Version 1.0 will required at leaset Java8.

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/*
 * Copyright (c) 2009-2015
 * 	IT-Consulting Stephan Schloepke (http://www.schloepke.de/)
 * 	klemm software consulting Mirko Klemm (http://www.klemm-scs.com/)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.jbasics.text;

import org.jbasics.checker.ContractCheck;
import org.jbasics.pattern.factory.Factory;
import org.jbasics.pattern.pooling.Pool;
import org.jbasics.types.pools.LazyQueuePool;
import org.jbasics.types.pools.PooledDelegate;

import java.text.FieldPosition;
import java.text.Format;
import java.text.ParsePosition;

public class FormatPool extends Format implements Pool {
	private static final long serialVersionUID = 1L;
	private final Pool formatPool;

	public FormatPool(final Factory formatFactory) {
		this.formatPool = new LazyQueuePool(ContractCheck.mustNotBeNull(formatFactory, "formatFactory"));
	}

	@Override
	public StringBuffer format(final Object obj, final StringBuffer toAppendTo, final FieldPosition pos) {
		T temp = this.formatPool.acquire();
		try {
			return temp.format(obj, toAppendTo, pos);
		} finally {
			this.formatPool.release(temp);
		}
	}

	@Override
	public Object parseObject(final String source, final ParsePosition pos) {
		T temp = this.formatPool.acquire();
		try {
			return temp.parseObject(source, pos);
		} finally {
			this.formatPool.release(temp);
		}
	}

	public T acquire() {
		return this.formatPool.acquire();
	}

	public boolean release(final T object) {
		return this.formatPool.release(object);
	}

	public PooledDelegate createPooledDelegate() {
		return new PooledDelegate(this.formatPool);
	}
}