001 package edu.nrao.sss.model.project.scan;
002
003 import java.util.ArrayList;
004 import java.util.List;
005
006 import edu.nrao.sss.model.resource.Resource;
007 import edu.nrao.sss.model.source.Source;
008 import edu.nrao.sss.validation.AbstractValidator;
009 import edu.nrao.sss.validation.DataNotEnteredValidation;
010 import edu.nrao.sss.validation.Validation;
011 import edu.nrao.sss.validation.ValidationPurpose;
012
013 /**
014 * A validator of {@link SwitchSetting switch settings}.
015 * <p>
016 * <u>Validations Performed for All Purposes</u>
017 * <ol>
018 * <li>Setting has source.</li>
019 * <li>Setting has resource.</li>
020 * <li>Time spent at setting is greater than zero.</li>
021 * </ol></p>
022 * <p>
023 * <b>Version Info:</b>
024 * <table style="margin-left:2em">
025 * <tr><td>$Revision: 1256 $</td></tr>
026 * <tr><td>$Date: 2008-04-29 15:55:50 -0600 (Tue, 29 Apr 2008) $</td></tr>
027 * <tr><td>$Author: dharland $</td></tr>
028 * </table></p>
029 *
030 * @author David M. Harland
031 * @since 2007-02-21
032 */
033 public class SwitchSettingValidator
034 extends AbstractValidator<SwitchSetting>
035 {
036 /** Creates a new instance. */
037 public SwitchSettingValidator()
038 {
039 super(SwitchSettingValidator.class.getName(), SwitchSetting.class);
040 }
041
042 /* (non-Javadoc)
043 * @see AbstractValidator#makeValidationList(ValidationPurpose)
044 */
045 @Override
046 protected List<Validation<SwitchSetting>>
047 makeValidationList(ValidationPurpose purpose)
048 {
049 List<Validation<SwitchSetting>> validations =
050 new ArrayList<Validation<SwitchSetting>>();
051
052 validations.add(new HasSource (this, purpose));
053 validations.add(new HasResource(this, purpose));
054 validations.add(new HasTime (this, purpose));
055
056 return validations;
057 }
058
059 //============================================================================
060 // UNITIALIZED FIELD VALIDATIONS
061 //============================================================================
062
063 class HasResource extends DataNotEnteredValidation<SwitchSetting>
064 {
065 protected HasResource(AbstractValidator<SwitchSetting> validationContainer,
066 ValidationPurpose reasonForValidation)
067 {
068 super(validationContainer, reasonForValidation,
069 "switch setting", "resource", null);
070 }
071
072 @Override
073 protected String getCurrentValue()
074 {
075 Resource rsrc = target.getResource();
076
077 return rsrc == null ? null : rsrc.getName();
078 }
079 }
080
081
082 class HasSource extends DataNotEnteredValidation<SwitchSetting>
083 {
084 protected HasSource(AbstractValidator<SwitchSetting> validationContainer,
085 ValidationPurpose reasonForValidation)
086 {
087 super(validationContainer, reasonForValidation,
088 "switch setting", "source", null);
089 }
090
091 @Override
092 protected String getCurrentValue()
093 {
094 Source src = target.getSource();
095
096 return src == null ? null : src.getName();
097 }
098 }
099
100 class HasTime extends DataNotEnteredValidation<SwitchSetting>
101 {
102 protected HasTime(AbstractValidator<SwitchSetting> validationContainer,
103 ValidationPurpose reasonForValidation)
104 {
105 super(validationContainer, reasonForValidation,
106 "switch setting", "time at setting", "0.0");
107 }
108
109 @Override
110 protected String getCurrentValue()
111 {
112 return target.getTimeAtSetting().getValue().toString();
113 }
114 }
115 }