| /* |
| * ==================================================================== |
| * 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.poi.xslf.model; |
| |
| import org.apache.poi.util.Internal; |
| import org.apache.poi.xslf.usermodel.XSLFShape; |
| |
| /** |
| * Used internally to navigate the PresentationML text style hierarchy and fetch properties |
| * |
| * @author Yegor Kozlov |
| */ |
| @Internal |
| public abstract class PropertyFetcher<T> { |
| private T _value; |
| private boolean isSet = false; |
| |
| /** |
| * |
| * @param shape the shape being examined |
| * @return true if the desired property was fetched |
| */ |
| public abstract boolean fetch(XSLFShape shape); |
| |
| public T getValue(){ |
| return _value; |
| } |
| |
| public void setValue(T val){ |
| _value = val; |
| isSet = true; |
| } |
| |
| public boolean isSet() { |
| return isSet; |
| } |
| } |