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Java 8 Functional interface extentions, collection decorators, I/O interfaces, and assertions

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/*
 * Copyright (C) 2015 fuwjax.org ([email protected])
 *
 * 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.
 */
package org.fuwjax.oss.util;

import java.util.function.Function;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Patterns {
	public static String replaceAll(final Pattern pattern, final String input, final Function replacement) {
		final Matcher m = pattern.matcher(input);
		final StringBuffer sb = new StringBuffer();
		while (m.find()) {
			m.appendReplacement(sb, String.valueOf(replacement.apply(m.group(1))));
		}
		m.appendTail(sb);
		return sb.toString();
	}
}