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1   /*
2    * Portions of this software was developed by employees of the National Institute
3    * of Standards and Technology (NIST), an agency of the Federal Government and is
4    * being made available as a public service. Pursuant to title 17 United States
5    * Code Section 105, works of NIST employees are not subject to copyright
6    * protection in the United States. This software may be subject to foreign
7    * copyright. Permission in the United States and in foreign countries, to the
8    * extent that NIST may hold copyright, to use, copy, modify, create derivative
9    * works, and distribute this software and its documentation without fee is hereby
10   * granted on a non-exclusive basis, provided that this notice and disclaimer
11   * of warranty appears in all copies.
12   *
13   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
19   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25   */
26  
27  package gov.nist.secauto.metaschema.core.metapath.item.atomic;
28  
29  import gov.nist.secauto.metaschema.core.datatype.IDataTypeAdapter;
30  import gov.nist.secauto.metaschema.core.metapath.item.IAtomicValuedItem;
31  import gov.nist.secauto.metaschema.core.util.ObjectUtils;
32  
33  import edu.umd.cs.findbugs.annotations.NonNull;
34  
35  public interface IAnyAtomicItem extends IAtomicValuedItem {
36  
37    @Override
38    @NonNull
39    default IAnyAtomicItem toAtomicItem() {
40      return this;
41    }
42  
43    @Override
44    @NonNull
45    Object getValue();
46  
47    /**
48     * Get the item's string value.
49     *
50     * @return the string value value of the item
51     */
52    @NonNull
53    default String asString() {
54      return ObjectUtils.notNull(getValue().toString());
55    }
56  
57    /**
58     * Get a new {@link IStringItem} based on the the textual value of the item's
59     * "wrapped" value.
60     *
61     * @return a new string item
62     */
63    // TODO: rename to asStringItem
64    @NonNull
65    default IStringItem newStringItem() {
66      return IStringItem.valueOf(asString());
67    }
68  
69    /**
70     * Get the item's type adapter.
71     *
72     * @return the type adapter for the item
73     */
74    @NonNull
75    IDataTypeAdapter<?> getJavaTypeAdapter();
76    //
77    // <T extends IValuedItem> T cast(IValuedItem item);
78  }