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The AWS SDK for Java Mobile - Core module holds the classes that is used by the individual service clients to interact with Amazon Web Services. Users need to depend on aws-java-sdk artifact for accessing individual client classes.

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/*
 * Copyright 2011-2018 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.amazonaws.util;

import static com.amazonaws.util.StringUtils.UTF8;

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;

    /**
     * Constructor.
     * @param s the string.
     * @throws UnsupportedEncodingException
     */
    public StringInputStream(String s) throws UnsupportedEncodingException {
        super(s.getBytes(UTF8));
        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;
    }
}