78 lines
2.1 KiB
Java
78 lines
2.1 KiB
Java
/**
|
|
* Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
|
|
* <p>
|
|
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
* <p>
|
|
* http://www.gnu.org/licenses/lgpl.html
|
|
* <p>
|
|
* 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.springblade.core.tool.utils;
|
|
|
|
|
|
import org.springblade.core.tool.support.Kv;
|
|
|
|
import java.util.regex.Matcher;
|
|
import java.util.regex.Pattern;
|
|
|
|
/**
|
|
* 模版解析工具类
|
|
*/
|
|
public class TemplateUtil {
|
|
|
|
/**
|
|
* 支持 ${} 与 #{} 两种模版占位符
|
|
*/
|
|
private static final Pattern pattern = Pattern.compile("\\$\\{([^{}]+)}|\\#\\{([^{}]+)}");
|
|
|
|
/**
|
|
* 解析模版
|
|
*
|
|
* @param template 模版
|
|
* @param params 参数
|
|
* @return 解析后的字符串
|
|
*/
|
|
public static String process(String template, Kv params) {
|
|
Matcher matcher = pattern.matcher(template);
|
|
StringBuffer sb = new StringBuffer();
|
|
while (matcher.find()) {
|
|
String key = matcher.group(1) != null ? matcher.group(1) : matcher.group(2);
|
|
String replacement = params.getStr(key);
|
|
if (replacement == null) {
|
|
throw new IllegalArgumentException("参数中缺少必要的键: " + key);
|
|
}
|
|
matcher.appendReplacement(sb, replacement);
|
|
}
|
|
matcher.appendTail(sb);
|
|
return sb.toString();
|
|
}
|
|
|
|
/**
|
|
* 解析模版
|
|
*
|
|
* @param template 模版
|
|
* @param params 参数
|
|
* @return 解析后的字符串
|
|
*/
|
|
public static String safeProcess(String template, Kv params) {
|
|
Matcher matcher = pattern.matcher(template);
|
|
StringBuffer sb = new StringBuffer();
|
|
while (matcher.find()) {
|
|
String key = matcher.group(1) != null ? matcher.group(1) : matcher.group(2);
|
|
String replacement = params.getStr(key);
|
|
if (replacement != null) {
|
|
matcher.appendReplacement(sb, replacement);
|
|
}
|
|
}
|
|
matcher.appendTail(sb);
|
|
return sb.toString();
|
|
}
|
|
|
|
}
|