// 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;
}
}