org.apache.inlong.sort.base.util.PatternReplaceUtils Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.inlong.sort.base.util;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* The pattern replace utils
*/
public final class PatternReplaceUtils {
private static final Pattern REGEX_PATTERN = Pattern.compile("\\$\\{\\s*([\\w.-]+)\\s*}",
Pattern.CASE_INSENSITIVE);
public static String replace(String pattern, Map params) {
if (pattern == null) {
return pattern;
}
Matcher matcher = REGEX_PATTERN.matcher(pattern);
StringBuffer sb = new StringBuffer();
while (matcher.find()) {
String keyText = matcher.group(1);
String replacement = params.getOrDefault(keyText, keyText);
matcher.appendReplacement(sb, replacement);
}
matcher.appendTail(sb);
return sb.toString();
}
}