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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.net.http;

import org.jbasics.checker.ContractCheck;
import org.jbasics.codec.RFC3548Base64Codec;
import org.jbasics.exception.DelegatedException;
import org.jbasics.types.tuples.Pair;

import java.io.UnsupportedEncodingException;

public final class HttpHeaderCreator {
	public static final String URL_ENCODE_CHARSET = "UTF-8"; //$NON-NLS-1$
	// This might have to be US-ASCII?
	public static final String HEADER_VALUE_CHARSET = "ISO-8859-1"; //$NON-NLS-1$

	public static Pair createBasicAuthorization(final String username, final String password) {
		StringBuilder temp = new StringBuilder();
		temp.append(ContractCheck.mustNotBeNullOrEmpty(username, "username")); //$NON-NLS-1$
		if (password != null) {
			temp.append(":").append(password); //$NON-NLS-1$
		}
		return HttpHeaderCreator.createBasicAuthorization(temp.toString());
	}

	public static Pair createBasicAuthorization(final String uriUserInfo) {
		try {
			return new Pair(HTTPHeaderConstants.AUTHORIZATION_HEADER, "Basic " + RFC3548Base64Codec.INSTANCE.encode( //$NON-NLS-1$
					ContractCheck.mustNotBeNull(uriUserInfo, "uriUserInfo").getBytes(HttpHeaderCreator.HEADER_VALUE_CHARSET)).toString()); //$NON-NLS-1$
		} catch (UnsupportedEncodingException e) {
			throw DelegatedException.delegate(e);
		}
	}
}