demo-widget-ztree/src/main/java/com/fr/plugin/widget/ztree/tools/ZTreeHelper.java

package com.fr.plugin.widget.ztree.tools;

import com.fanruan.api.util.ArrayKit;
import com.fanruan.api.util.StringKit;

/**
 * Created by richie on 15/11/18.
 */
public class ZTreeHelper {

    public static String join(String[] arr, String delimiter) {
        if (ArrayKit.isEmpty(arr)) {
            return StringKit.EMPTY;
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0, len = ArrayKit.getLength(arr); i < len ; i++) {
            String segment = arr[i];
            if (StringKit.isNotEmpty(segment)) {
                sb.append(segment);
                if (i != len - 1) {
                    sb.append(delimiter);
                }
            }
        }
        return sb.toString();
    }
}