package org.ovirt.engine.ui.uicompat.external;

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
import java.util.Iterator;
import java.util.List;

public class StringUtils {
    /**
     * Joins the Strings of the provided array into a single String.
     *
     * @param array the array of Strings to join together
     * @param delimiter the separator string to use
     * @return
     */
    public static String join(List<String> list, String delimiter) {
        if (list == null) {
            return "";
        }

        StringBuilder builder = new StringBuilder();
        Iterator<String> iter = list.iterator();
        while (iter.hasNext()) {
            builder.append(iter.next());
            if (!iter.hasNext()) {
                break;
            }
            builder.append(delimiter);
        }
        return builder.toString();
    }

}

@@ -922,16 +922,1401 @@
 Utils %7B%0A
+%0A    /**%0A     * %3Cp%3E%0A     * Checks if a String is empty (%22%22) or null.%0A     * %3C/p%3E%0A     *%0A     * %3Cpre%3E%0A     * StringUtils.isEmpty(null)      = true%0A     * StringUtils.isEmpty(%22%22)        = true%0A     * StringUtils.isEmpty(%22 %22)       = false%0A     * StringUtils.isEmpty(%22bob%22)     = false%0A     * StringUtils.isEmpty(%22  bob  %22) = false%0A     * %3C/pre%3E%0A     *%0A     * %3Cp%3E%0A     * NOTE: This method changed in Lang version 2.0. It no longer trims the String. That functionality is available in%0A     * isBlank().%0A     * %3C/p%3E%0A     *%0A     * @param str%0A     *            the String to check, may be null%0A     * @return %3Ccode%3Etrue%3C/code%3E if the String is empty or null%0A     */%0A    public static boolean isEmpty(String str) %7B%0A        return str == null %7C%7C str.length() == 0;%0A    %7D%0A%0A    /**%0A     * %3Cp%3E%0A     * Checks if a String is not empty (%22%22) and not null.%0A     * %3C/p%3E%0A     *%0A     * %3Cpre%3E%0A     * StringUtils.isNotEmpty(null)      = false%0A     * StringUtils.isNotEmpty(%22%22)        = false%0A     * StringUtils.isNotEmpty(%22 %22)       = true%0A     * StringUtils.isNotEmpty(%22bob%22)     = true%0A     * StringUtils.isNotEmpty(%22  bob  %22) = true%0A     * %3C/pre%3E%0A     *%0A     * @param str%0A     *            the String to check, may be null%0A     * @return %3Ccode%3Etrue%3C/code%3E if the String is not empty and not null%0A     */%0A    public static boolean isNotEmpty(String str) %7B%0A        return !StringUtils.isEmpty(str);%0A    %7D%0A%0A
     /**%0A

Add StringUtils.is{,Not}Empty