Java tutorial
/** * Copyright 2016 Capital Technology Group, LLC * * 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 com.capitaltg.bbcodeguard; import java.io.IOException; import java.io.InputStream; import java.io.StringWriter; import java.util.Map; import org.apache.commons.io.IOUtils; public class StringUtils { public static String readResourceAndUpdateText(String resourceName, Map<String, String> values) throws IOException { InputStream inputStream = StringUtils.class.getClassLoader().getResourceAsStream(resourceName); StringWriter writer = new StringWriter(); IOUtils.copy(inputStream, writer); inputStream.close(); return StringUtils.replaceAll(writer.toString(), values); } public static String replaceAll(String original, Map<String, String> replacements) { if (original == null || replacements == null || replacements.isEmpty()) { return original; } StringHolder response = new StringHolder(original); replacements.forEach((n, v) -> response.replaceAll("@" + n + "@", v)); return response.toString(); } private static class StringHolder { private String string; public StringHolder(String string) { this.string = string; } public void replaceAll(String regex, String replacement) { string = string.replaceAll(regex, replacement); } @Override public String toString() { return string; } } }