2 * This document is a part of the source code and related artifacts
3 * for CollectionSpace, an open source collections management system
4 * for museums and related institutions:
6 * http://www.collectionspace.org
7 * http://wiki.collectionspace.org
9 * Copyright 2009 University of California at Berkeley
11 * Licensed under the Educational Community License (ECL), Version 2.0.
12 * You may not use this file except in compliance with this License.
14 * You may obtain a copy of the ECL 2.0 License at
16 * https://source.collectionspace.org/collection-space/LICENSE.txt
18 * Unless required by applicable law or agreed to in writing, software
19 * distributed under the License is distributed on an "AS IS" BASIS,
20 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 * See the License for the specific language governing permissions and
22 * limitations under the License.
24 package org.collectionspace.services.concept.nuxeo;
26 import java.util.List;
27 import java.util.regex.Pattern;
28 import org.collectionspace.services.common.api.Tools;
29 import org.collectionspace.services.common.document.InvalidDocumentException;
30 import org.collectionspace.services.common.document.ValidatorHandlerImpl;
31 import org.collectionspace.services.concept.ConceptTermGroup;
32 import org.collectionspace.services.concept.ConceptTermGroupList;
33 import org.collectionspace.services.concept.ConceptsCommon;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
38 * ConceptValidatorHandler
40 * Performs validation when making requests related to Concept records.
41 * As an example, you can modify this class to customize validation of
42 * payloads supplied in requests to create and/or update records.
44 public class ConceptValidatorHandler extends ValidatorHandlerImpl {
46 final Logger logger = LoggerFactory.getLogger(ConceptValidatorHandler.class);
47 // 'Bad pattern' for shortIdentifiers matches any non-word characters
48 private static final Pattern SHORT_ID_BAD_PATTERN = Pattern.compile("[\\W]"); //.matcher(input).matches()
49 private static final String VALIDATION_ERROR = "The record payload was invalid. See log file for more details.";
50 private static final String SHORT_ID_BAD_CHARS_ERROR =
51 "shortIdentifier must only contain standard word characters";
52 private static final String HAS_NO_TERMS_ERROR =
53 "Authority items must contain at least one term.";
54 private static final String HAS_AN_EMPTY_TERM_ERROR =
55 "Each term group in an authority item must contain "
56 + "a non-empty term name or "
57 + "a non-empty term display name.";
60 protected Class getCommonPartClass() {
61 return ConceptsCommon.class;
65 protected void handleCreate() throws InvalidDocumentException {
66 ConceptsCommon concept = (ConceptsCommon) getCommonPart();
67 // No guarantee that there is a common part in every post/update.
68 if (concept != null) {
70 String shortId = concept.getShortIdentifier();
71 if (shortId != null) {
72 CS_ASSERT(shortIdentifierContainsOnlyValidChars(shortId), SHORT_ID_BAD_CHARS_ERROR);
74 CS_ASSERT(containsAtLeastOneTerm(concept), HAS_NO_TERMS_ERROR);
75 CS_ASSERT(allTermsContainNameOrDisplayName(concept), HAS_AN_EMPTY_TERM_ERROR);
76 } catch (AssertionError e) {
77 if (logger.isErrorEnabled()) {
78 logger.error(e.getMessage(), e);
80 throw new InvalidDocumentException(VALIDATION_ERROR, e);
86 protected void handleGet() throws InvalidDocumentException {
90 protected void handleGetAll() throws InvalidDocumentException {
94 protected void handleUpdate() throws InvalidDocumentException {
95 ConceptsCommon concept = (ConceptsCommon) getCommonPart();
96 // No guarantee that there is a common part in every post/update.
97 if (concept != null) {
99 // shortIdentifier is among a set of fields that are
100 // prevented from being changed on an update, and thus
101 // we don't need to check its value here.
102 CS_ASSERT(containsAtLeastOneTerm(concept), HAS_NO_TERMS_ERROR);
103 CS_ASSERT(allTermsContainNameOrDisplayName(concept), HAS_AN_EMPTY_TERM_ERROR);
104 } catch (AssertionError e) {
105 if (logger.isErrorEnabled()) {
106 logger.error(e.getMessage(), e);
108 throw new InvalidDocumentException(VALIDATION_ERROR, e);
114 protected void handleDelete() throws InvalidDocumentException {
117 private boolean shortIdentifierContainsOnlyValidChars(String shortId) {
118 // Check whether any characters match the 'bad' pattern
119 if (SHORT_ID_BAD_PATTERN.matcher(shortId).find()) {
125 private boolean containsAtLeastOneTerm(ConceptsCommon concept) {
126 ConceptTermGroupList termGroupList = concept.getConceptTermGroupList();
127 if (termGroupList == null) {
130 List<ConceptTermGroup> termGroups = termGroupList.getConceptTermGroup();
131 if ((termGroups == null) || (termGroups.isEmpty())){
137 private boolean allTermsContainNameOrDisplayName(ConceptsCommon concept) {
138 ConceptTermGroupList termGroupList = concept.getConceptTermGroupList();
139 List<ConceptTermGroup> termGroups = termGroupList.getConceptTermGroup();
140 for (ConceptTermGroup termGroup : termGroups) {
141 if (Tools.isBlank(termGroup.getTermName()) || Tools.isBlank(termGroup.getTermDisplayName())) {