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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package com.sun.messaging.bridge;

import java.util.List;
import java.util.ArrayList;
import java.util.StringTokenizer;
import java.util.Enumeration;
import java.util.Properties;

/**
 * These utility methods are from jmsserver/config/
 */

public class BridgeUtil {

    /**
     *
     */
    public static List<String> getListProperty(String name, Properties props) {
        String value = props.getProperty(name);
        if (value == null) return new ArrayList<String>();
        return breakToList(value, ",");
    }

    public static List<String> breakToList(String value, String separator) {
        StringTokenizer token = new StringTokenizer(value, separator, false);
        List<String> retv = new ArrayList<String>();
        while (token.hasMoreElements()) {
            String newtoken = token.nextToken();
            newtoken = newtoken.trim();
            int start = 0;
            while (start < newtoken.length()) {
                if (!Character.isSpaceChar(newtoken.charAt(start)))
                    break;
                start ++;
            }
            if (start > 0)
                newtoken = newtoken.substring(start+1);
            if (newtoken.trim().length() > 0)
                retv.add(newtoken.trim());
        }
        return retv;
    }


    /**
     * Returns a list of property names that match specified name prefix.
     *
     * @param prefix The proerty name prefix
     * @return a list of all property names that match the name prefix
     */
    public static List<String> getPropertyNames(String prefix, Properties props) {
        ArrayList<String> list = new ArrayList<String>();
        Enumeration e = props.keys();
        while (e.hasMoreElements()) {
            String key = (String)e.nextElement();
            if (key.startsWith(prefix)) {
                list.add(key);
            }
        }
        return list;
    }

}
