001 /**
002 * Copyright 2005-2012 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package org.kuali.rice.kew.api.rule;
017
018 import java.io.Serializable;
019 import java.util.Collection;
020 import java.util.Map;
021 import javax.xml.bind.annotation.XmlAccessType;
022 import javax.xml.bind.annotation.XmlAccessorType;
023 import javax.xml.bind.annotation.XmlAnyElement;
024 import javax.xml.bind.annotation.XmlElement;
025 import javax.xml.bind.annotation.XmlRootElement;
026 import javax.xml.bind.annotation.XmlType;
027 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
028
029 import org.apache.commons.lang.ObjectUtils;
030 import org.kuali.rice.core.api.CoreConstants;
031 import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
032 import org.kuali.rice.core.api.mo.AbstractDataTransferObject;
033 import org.kuali.rice.core.api.mo.ModelBuilder;
034 import org.kuali.rice.core.api.util.collect.CollectionUtils;
035 import org.kuali.rice.core.api.util.jaxb.MapStringStringAdapter;
036 import org.w3c.dom.Element;
037
038 @XmlRootElement(name = RuleExtension.Constants.ROOT_ELEMENT_NAME)
039 @XmlAccessorType(XmlAccessType.NONE)
040 @XmlType(name = RuleExtension.Constants.TYPE_NAME, propOrder = {
041 RuleExtension.Elements.RULE_TEMPLATE_ATTRIBUTE,
042 RuleExtension.Elements.EXTENSION_VALUES_MAP,
043 CoreConstants.CommonElements.VERSION_NUMBER,
044 CoreConstants.CommonElements.FUTURE_ELEMENTS
045 })
046 public final class RuleExtension
047 extends AbstractDataTransferObject
048 implements RuleExtensionContract
049 {
050
051 @XmlElement(name = Elements.RULE_TEMPLATE_ATTRIBUTE, required = true)
052 private final RuleTemplateAttribute ruleTemplateAttribute;
053 @XmlElement(name = Elements.EXTENSION_VALUES_MAP, required = false)
054 @XmlJavaTypeAdapter(MapStringStringAdapter.class)
055 private final Map<String, String> extensionValuesMap;
056 @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false)
057 private final Long versionNumber;
058 @SuppressWarnings("unused")
059 @XmlAnyElement
060 private final Collection<Element> _futureElements = null;
061
062 /**
063 * Private constructor used only by JAXB.
064 *
065 */
066 private RuleExtension() {
067 this.ruleTemplateAttribute = null;
068 this.extensionValuesMap = null;
069 this.versionNumber = null;
070 }
071
072 private RuleExtension(Builder builder) {
073 this.ruleTemplateAttribute = builder.getRuleTemplateAttribute().build();
074 this.extensionValuesMap = builder.getExtensionValuesMap();
075 this.versionNumber = builder.getVersionNumber();
076 }
077
078 @Override
079 public RuleTemplateAttributeContract getRuleTemplateAttribute() {
080 return this.ruleTemplateAttribute;
081 }
082
083 @Override
084 public Map<String, String> getExtensionValuesMap() {
085 return this.extensionValuesMap;
086 }
087
088 @Override
089 public Long getVersionNumber() {
090 return this.versionNumber;
091 }
092
093
094 /**
095 * A builder which can be used to construct {@link RuleExtension} instances. Enforces the constraints of the {@link RuleExtensionContract}.
096 *
097 */
098 public final static class Builder
099 implements Serializable, ModelBuilder, RuleExtensionContract
100 {
101
102 private RuleTemplateAttribute.Builder ruleTemplateAttribute;
103 private Map<String, String> extensionValuesMap;
104 private Long versionNumber;
105
106 private Builder(RuleTemplateAttribute.Builder ruleTemplateAttribute) {
107 setRuleTemplateAttribute(ruleTemplateAttribute);
108 }
109
110 public static Builder create(RuleTemplateAttribute.Builder ruleTemplateAttribute) {
111 return new Builder(ruleTemplateAttribute);
112 }
113
114 public static Builder create(RuleExtensionContract contract) {
115 if (contract == null) {
116 throw new IllegalArgumentException("contract was null");
117 }
118 // TODO if create() is modified to accept required parameters, this will need to be modified
119 Builder builder = create(RuleTemplateAttribute.Builder.create(contract.getRuleTemplateAttribute()));
120 builder.setExtensionValuesMap(contract.getExtensionValuesMap());
121 builder.setVersionNumber(contract.getVersionNumber());
122 return builder;
123 }
124
125 public RuleExtension build() {
126 return new RuleExtension(this);
127 }
128
129 @Override
130 public RuleTemplateAttribute.Builder getRuleTemplateAttribute() {
131 return this.ruleTemplateAttribute;
132 }
133
134 @Override
135 public Map<String, String> getExtensionValuesMap() {
136 return this.extensionValuesMap;
137 }
138
139 @Override
140 public Long getVersionNumber() {
141 return this.versionNumber;
142 }
143
144 public void setRuleTemplateAttribute(RuleTemplateAttribute.Builder ruleTemplateAttribute) {
145 if (ruleTemplateAttribute == null) {
146 throw new RiceIllegalArgumentException("ruleTemplateAttribute was null");
147 }
148 this.ruleTemplateAttribute = ruleTemplateAttribute;
149 }
150
151 public void setExtensionValuesMap(Map<String, String> extensionValuesMap) {
152 this.extensionValuesMap = extensionValuesMap;
153 }
154
155 public void setVersionNumber(Long versionNumber) {
156 this.versionNumber = versionNumber;
157 }
158
159 }
160
161 public boolean equals(Object o) {
162 if (o == null) return false;
163 if (!(o instanceof RuleExtension)) return false;
164 RuleExtension pred = (RuleExtension) o;
165 return ObjectUtils.equals(ruleTemplateAttribute, pred.getRuleTemplateAttribute()) &&
166 CollectionUtils.collectionsEquivalent(extensionValuesMap.entrySet(), pred.getExtensionValuesMap().entrySet());
167 }
168
169 /**
170 * Defines some internal constants used on this class.
171 *
172 */
173 static class Constants {
174
175 final static String ROOT_ELEMENT_NAME = "ruleExtension";
176 final static String TYPE_NAME = "RuleExtensionType";
177
178 }
179
180
181 /**
182 * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.
183 *
184 */
185 static class Elements {
186
187 final static String RULE_TEMPLATE_ATTRIBUTE = "ruleTemplateAttribute";
188 final static String EXTENSION_VALUES_MAP = "extensionValuesMap";
189
190 }
191
192 }