com.flowlogix.util.JakartaTransformerUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2011-2024 Flow Logix, Inc. All Rights Reserved.
*
* 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.flowlogix.util;
import java.util.regex.Pattern;
import jakarta.servlet.http.HttpServletRequest;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
/**
* Transform strings that start with javax package into jakarta strings,
* if it's detected to be in jakarta environment
*
* Examples:
* {@snippet class="com.flowlogix.demo.ui.JakartifyDemo" region="jakartifyServlet"}
* {@snippet class="com.flowlogix.demo.ui.JakartifyDemo" region="jakartifyError"}
*/
@NoArgsConstructor(access = AccessLevel.PRIVATE)
@SuppressWarnings("HideUtilityClassConstructor")
public class JakartaTransformerUtils {
/**
* Returns true is Jakarta environment is detected
*/
@Getter
@SuppressWarnings("ConstantName")
private static final boolean jakarta = HttpServletRequest.class.getPackageName().startsWith("jakarta");
private static final Pattern REPLACE_JAVA_WITH_JAKARTA_PATTERN = Pattern.compile("javax\\.(\\w+)\\.");
/**
* Transform javax string into jakarta string, if it's detected to be in jakarta environment,
* otherwise returns original string
*
* @param javaxString string that starts with javax package
* @return string optionally transformed into Jakarta namespace
*/
public static String jakartify(String javaxString) {
return REPLACE_JAVA_WITH_JAKARTA_PATTERN.matcher(javaxString).replaceAll(
isJakarta() ? "jakarta.$1." : "javax.$1.");
}
}