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/*
 * Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.sinacloud.scs.util;

import java.io.ByteArrayInputStream;
import java.io.UnsupportedEncodingException;

/**
 * Simple wrapper for ByteArrayInputStream that will automatically encode the
 * string as UTF-8 data, and still allows access to the original string.
 */
public class StringInputStream extends ByteArrayInputStream {

	private final String string;

	public StringInputStream(String s) throws UnsupportedEncodingException {
		super(s.getBytes("UTF-8"));
		this.string = s;
	}

	/**
	 * Returns the original string specified when this input stream was
	 * constructed.
	 *
	 * @return The original string specified when this input stream was
	 *         constructed.
	 */
	public String getString() {
		return string;
	}
}