1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.jexl3.internal; 18 19 import java.util.HashSet; 20 import java.util.LinkedHashSet; 21 import java.util.Set; 22 23 import org.apache.commons.jexl3.JexlArithmetic; 24 25 /** 26 * Helper class to create set literals. 27 */ 28 public class SetBuilder implements JexlArithmetic.SetBuilder { 29 /** The set being created. */ 30 protected final Set<Object> set; 31 32 /** 33 * Creates a new builder. 34 * @param size the expected set size 35 */ 36 public SetBuilder(final int size) { 37 this(size, false); 38 } 39 40 /** 41 * Creates a new builder. 42 * @param size the expected set size 43 * @param extended whether the set is extended 44 */ 45 public SetBuilder(final int size, final boolean extended) { 46 set = extended? new LinkedHashSet<>(size) : new HashSet<>(size); 47 } 48 49 @Override 50 public void add(final Object value) { 51 set.add(value); 52 } 53 54 @Override 55 public Set<?> create() { 56 return set; 57 } 58 }