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ArangoDB Java Driver

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/*
 * DISCLAIMER
 *
 * Copyright 2016 ArangoDB GmbH, Cologne, Germany
 *
 * 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.
 *
 * Copyright holder is ArangoDB GmbH, Cologne, Germany
 */

package com.arangodb.internal.util;

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.arangodb.internal.net.Host;
import com.arangodb.internal.net.HostSet;

/**
 * @author Mark Vollmary
 *
 */
public final class IOUtils {
	
	private static final Logger LOGGER = LoggerFactory.getLogger(IOUtils.class);

	private IOUtils() {
	}

	public static String toString(final InputStream input) throws IOException {
		return toString(input, "utf-8");
	}

	public static String toString(final InputStream input, final String encode) throws IOException {
		try {
			final StringBuilder buffer = new StringBuilder(8012);
			final InputStreamReader in = new InputStreamReader(new BufferedInputStream(input), encode);
			final char[] cbuf = new char[8012];
			int len;
			while ((len = in.read(cbuf)) != -1) {
				buffer.append(cbuf, 0, len);
			}
			return buffer.toString();
		} catch (final UnsupportedEncodingException e) {
			throw new RuntimeException(e);
		} finally {
			if (input != null) {
				try {
					input.close();
				} catch (final IOException e) {
					// TODO
				}
			}
		}
	}

	public static byte[] toByteArray(final InputStream input) throws IOException {
		final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
		int nRead;
		final byte[] data = new byte[8012];
		while ((nRead = input.read(data, 0, data.length)) != -1) {
			buffer.write(data, 0, nRead);
		}
		buffer.flush();
		return buffer.toByteArray();
	}

}