// Copyright 2006 Google Inc. // // Licensed 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 com.google.enterprise.connector.spi; import java.util.Collections; import java.util.Iterator; import java.util.List; /** * Simple implementation of the {@link Property} interface. * Implementors may use this directly or for reference. * * @since 1.0 */ public class SimpleProperty implements Property { final Iterator<Value> iterator; /** * Constructs a property with a single value. * * @param value the property's {@link Value} * @since 2.4 */ public SimpleProperty(Value value) { this(Collections.singletonList(value)); } /** * Constructs a property with multiple values. * * @param values a {@code List} of the property's {@link Value Values} */ public SimpleProperty(List<Value> values) { this.iterator = values.iterator(); } @Override public Value nextValue() { return (iterator.hasNext()) ? iterator.next() : null; } }