1 /*
2 * Copyright 2009 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 package org.openehealth.ipf.commons.ihe.xds.core.validate;
17
18 import static org.openehealth.ipf.commons.ihe.xds.core.validate.ValidationMessage.*;
19 import static org.openehealth.ipf.commons.ihe.xds.core.validate.ValidatorAssertions.metaDataAssert;
20
21 import java.util.List;
22
23 import org.openehealth.ipf.commons.ihe.xds.core.ebxml.EbXMLRegistryObject;
24 import org.openehealth.ipf.commons.ihe.xds.core.ebxml.EbXMLSlotList;
25
26 /**
27 * Performs a validation of a slot value.
28 * @author Jens Riemschneider
29 */
30 public class SlotValueValidation implements RegistryObjectValidator {
31 private final String slotName;
32 private final ValueValidator validator;
33 private final int min;
34 private final int max;
35
36 /**
37 * Constructs the validation.
38 * @param slotName
39 * the name of the slot.
40 * @param validator
41 * the validator to use.
42 * @param min
43 * the minimum number of values that the slot must have.
44 * @param max
45 * the maximum number of values that the slot must have.
46 */
47 public SlotValueValidation(String slotName, ValueValidator validator, int min, int max) {
48 this.slotName = slotName;
49 this.validator = validator;
50 this.min = min;
51 this.max = max;
52 }
53
54 /**
55 * Constructs the validation.
56 * @param slotName
57 * the name of the slot.
58 * @param validator
59 * the validator to use.
60 */
61 public SlotValueValidation(String slotName, ValueValidator validator) {
62 this.slotName = slotName;
63 this.validator = validator;
64 min = 1;
65 max = 1;
66 }
67
68 @Override
69 public void validate(EbXMLRegistryObject obj) throws XDSMetaDataException {
70 validate((EbXMLSlotList)obj);
71 }
72
73 /**
74 * Validates the given slot list.
75 * @param slotList
76 * the slot list.
77 * @throws XDSMetaDataException
78 * if the validation failed.
79 */
80 public void validate(EbXMLSlotList slotList) throws XDSMetaDataException {
81 List<String> slotValues = slotList.getSlotValues(slotName);
82 metaDataAssert(slotValues.size() >= min && slotValues.size() <= max,
83 WRONG_NUMBER_OF_SLOT_VALUES, slotName, min, max, slotValues.size());
84
85 for (String value : slotValues) {
86 metaDataAssert(value != null, EMPTY_SLOT_VALUE, slotName);
87 validator.validate(value);
88 }
89 }
90 }