去除TOMCAT SERVER.XML中的注释

Java代码  

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


public class XmlTomcatUtil {

    // 系统日志类
        private static SystemLog systemLog = new SystemLog(XmlTomcatUtil.class);

    /**
     * 替换获得的结果中的所有注释
     * 例如
     * 输入
     * <?xml version="1.0" encoding="UTF-8"?>
     * <!-- Note:  A "Server" is not itself a "Container", so you may not
     * define subcomponents such as "Valves" at this level.
     * Documentation at /docs/config/server.html
     * --><Server port="8005" shutdown="SHUTDOWN">
     * 输出
     * <?xml version="1.0" encoding="UTF-8"?>
     * <Server port="8005" shutdown="SHUTDOWN">
     * @param str 输入字符串
     * @return
     */
    public static String getRegex(String str){

        try {

             Pattern p = Pattern.compile("<!--[^-]*-->",Pattern.DOTALL);
             Matcher matcher = p.matcher(str);
             List<String> strList = new ArrayList<String>();

             //记录发现的错误结果值
             while (matcher.find()) {
                 strList.add(matcher.group());
             }

             for (String arg : strList) {
                str = str.replaceAll(arg, "");
             }

        } catch (Exception e) {
            systemLog.error("XmlUtil.getRegex", "替换所有的注释字符", e);
        }
        return str;
    }
}