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// SPDX-FileCopyrightText: NOI Techpark 
//
// SPDX-License-Identifier: MPL-2.0

/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

package it.bz.opendatahub.alpinebits.xml;

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;

/**
 * This class contains helper functions to convert different stream types.
 */
public final class StreamConverter {

    private StreamConverter() {
        // Empty
    }

    /**
     * Convert the given {@link InputStream} to a String.
     *
     * @param is The InputStream to convert.
     * @return The content of InputStream writtern to String.
     * @throws IOException If the conversion fails.
     */
    public static String readToString(InputStream is) throws IOException {
        BufferedInputStream bis = new BufferedInputStream(is);
        ByteArrayOutputStream buf = new ByteArrayOutputStream();
        for (int result = bis.read(); result != -1; result = bis.read()) {
            buf.write((byte) result);
        }
        return buf.toString(StandardCharsets.UTF_8.name());
    }
}