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1   /**
2    * Copyright 2005-2012 The Kuali Foundation
3    *
4    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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.kuali.rice.krad.datadictionary.validation.constraint;
17  
18  import org.apache.commons.lang.StringUtils;
19  import org.kuali.rice.krad.uif.UifConstants;
20  
21  import javax.xml.bind.annotation.XmlAccessType;
22  import javax.xml.bind.annotation.XmlAccessorType;
23  import javax.xml.bind.annotation.XmlElement;
24  import java.util.ArrayList;
25  import java.util.List;
26  
27  /**
28   * Prerequisite constraints require that some other attribute be non-empty in order for the constraint to be valid. 
29   * So, a 7-digit US phone number might have a prerequisite of an area code, or an address street2 might have a prerequisite
30   * that street1 is non-empty. 
31   * 
32   * @author Kuali Rice Team (rice.collab@kuali.org)
33   * @since 1.1
34   */
35  @XmlAccessorType(XmlAccessType.FIELD)
36  public class PrerequisiteConstraint extends BaseConstraint {
37  	@XmlElement
38      protected String propertyName;
39  
40  	public String getPropertyName() {
41  		return propertyName;
42  	}
43  
44  	public void setPropertyName(String propertyName) {
45  		this.propertyName = propertyName;
46  	}
47  
48      @Override
49      public String getLabelKey(){
50          if(StringUtils.isBlank(this.labelKey)){
51              return UifConstants.Messages.VALIDATION_MSG_KEY_PREFIX + "prerequisiteFallback";
52          }
53          else{
54              return super.getLabelKey();
55          }
56      }
57  
58      @Override
59      /**
60       * @see BaseConstraint#getValidationMessageParams()
61       * @return the validation message list if defined. If not defined,  return  the property name
62       */
63      public List<String> getValidationMessageParams() {
64          if(super.getValidationMessageParams() == null) {
65              ArrayList<String> params = new ArrayList<String>(1);
66              params.add(getPropertyName());
67              return params;
68          } else {
69              return super.getValidationMessageParams();
70          }
71      }
72  }