| /* |
| * 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. |
| */ |
| package org.apache.sling.pipes.internal; |
| |
| import java.util.Map; |
| |
| /** |
| * utilities for user input |
| */ |
| public class CommandUtil { |
| |
| private CommandUtil() { |
| } |
| |
| /** |
| * Checks arguments and throws exception if there is an issue |
| * @param params arguments to check |
| * @throws IllegalArgumentException exception thrown in case arguments are wrong |
| */ |
| public static void checkArguments(Object... params) { |
| if (params.length % 2 > 0){ |
| throw new IllegalArgumentException("there should be an even number of arguments"); |
| } |
| } |
| |
| /** |
| * write key/value pairs into a map |
| * @param map target map |
| * @param params key/value pairs to write into the map |
| */ |
| public static void writeToMap(Map<String, Object> map, Object... params){ |
| for (int i = 0; i < params.length - 1; i += 2){ |
| map.put(params[i].toString(), params[i + 1]); |
| } |
| } |
| |
| } |