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1   /*
2    * Copyright 2009-2013 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package com.orangesignal.csv.filters;
18  
19  import java.util.List;
20  
21  /**
22   * 指定された項目名に対応する区切り文字形式データの値が空でないかどうかでフィルタを適用する区切り文字形式データフィルタの実装です。
23   * 
24   * @author Koji Sugisawa
25   * @since 1.2.3
26   */
27  public class ColumnNameNotEmptyExpression extends ColumnNameExpression {
28  
29  	/**
30  	 * コンストラクタです。
31  	 * 
32  	 * @param name 項目名
33  	 * @throws IllegalArgumentException <code>name</code> が <code>null</code> の場合
34  	 */
35  	protected ColumnNameNotEmptyExpression(final String name) {
36  		super(name);
37  	}
38  
39  	@Override
40  	public boolean accept(final List<String> header, final List<String> values) {
41  		final int position = header.indexOf(name);
42  		if (position == -1) {
43  			throw new IllegalArgumentException(String.format("Invalid column name %s", name));
44  		}
45  		return CsvExpressionUtils.isNotEmpty(values, position);
46  	}
47  
48  }