001package com.github.theholywaffle.teamspeak3.commands.parameter;
002
003/*
004 * #%L
005 * TeamSpeak 3 Java API
006 * %%
007 * Copyright (C) 2014 Bert De Geyter
008 * %%
009 * Permission is hereby granted, free of charge, to any person obtaining a copy
010 * of this software and associated documentation files (the "Software"), to deal
011 * in the Software without restriction, including without limitation the rights
012 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
013 * copies of the Software, and to permit persons to whom the Software is
014 * furnished to do so, subject to the following conditions:
015 * 
016 * The above copyright notice and this permission notice shall be included in
017 * all copies or substantial portions of the Software.
018 * 
019 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
020 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
021 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
022 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
023 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
024 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
025 * THE SOFTWARE.
026 * #L%
027 */
028
029import java.util.ArrayList;
030import java.util.List;
031
032public class ArrayParameter extends Parameter {
033
034        private final int parametersPerEntry;
035        private final List<Parameter> parameters;
036
037        public ArrayParameter(int numberOfEntries) {
038                this(numberOfEntries, 1);
039        }
040
041        public ArrayParameter(int numberOfEntries, int parametersPerEntry) {
042                this.parametersPerEntry = parametersPerEntry;
043                this.parameters = new ArrayList<>(numberOfEntries * parametersPerEntry);
044        }
045
046        public ArrayParameter add(Parameter p) {
047                parameters.add(p);
048                return this;
049        }
050
051        @Override
052        public void appendTo(StringBuilder str) {
053                if (parameters.isEmpty()) return;
054
055                // First entry without |
056                parameters.get(0).appendTo(str);
057                for (int i = 1; i < parametersPerEntry; ++i) {
058                        str.append(' ');
059                        parameters.get(i).appendTo(str);
060                }
061
062                // Remaining entries separated with |
063                for (int offset = parametersPerEntry; offset < parameters.size(); offset += parametersPerEntry) {
064                        str.append('|');
065                        parameters.get(offset).appendTo(str);
066                        for (int i = 1; i < parametersPerEntry; ++i) {
067                                str.append(' ');
068                                parameters.get(offset + i).appendTo(str);
069                        }
070                }
071        }
072}