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1   /*
2    * Copyright 2006-2007 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 org.springframework.batch.sample.domain.order.internal.valang;
18  
19  import java.util.List;
20  
21  import org.springframework.batch.sample.domain.order.LineItem;
22  import org.springmodules.validation.valang.functions.AbstractFunction;
23  import org.springmodules.validation.valang.functions.Function;
24  
25  
26  /**
27   * @author peter.zozom
28   *
29   */
30  public class ValidateIdsFunction extends AbstractFunction {
31      private static final long MAX_ID = 9999999999L;
32  
33      public ValidateIdsFunction(Function[] arguments, int line, int column) {
34          super(arguments, line, column);
35          definedExactNumberOfArguments(1);
36      }
37  
38      /**
39       * @see org.springmodules.validation.valang.functions.AbstractFunction#doGetResult(java.lang.Object)
40       */
41      @SuppressWarnings("unchecked")
42  	protected Object doGetResult(Object target) throws Exception {
43          List<LineItem> lineItems = (List<LineItem>) getArguments()[0].getResult(target);
44  
45          for (LineItem item : lineItems) {
46  
47              if ((item.getItemId() <= 0) || (item.getItemId() > MAX_ID)) {
48                  return Boolean.FALSE;
49              }
50          }
51  
52          return Boolean.TRUE;
53      }
54  }