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.extension;
017    
018    import org.apache.commons.lang.StringUtils;
019    import org.kuali.rice.core.api.CoreConstants;
020    import org.kuali.rice.core.api.mo.AbstractDataTransferObject;
021    import org.kuali.rice.core.api.mo.ModelBuilder;
022    import org.kuali.rice.core.api.util.jaxb.MapStringStringAdapter;
023    import org.w3c.dom.Element;
024    
025    import javax.xml.bind.annotation.XmlAccessType;
026    import javax.xml.bind.annotation.XmlAccessorType;
027    import javax.xml.bind.annotation.XmlAnyElement;
028    import javax.xml.bind.annotation.XmlElement;
029    import javax.xml.bind.annotation.XmlRootElement;
030    import javax.xml.bind.annotation.XmlType;
031    import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
032    import java.io.Serializable;
033    import java.util.Collection;
034    import java.util.Collections;
035    import java.util.HashMap;
036    import java.util.Map;
037    
038    /**
039     * Immutable implementation of the {@link ExtensionDefinitionContract}.  Defines an extension to some component of
040     * Kuali Enterprise Workflow.
041     *
042     * @author Kuali Rice Team (rice.collab@kuali.org)
043     */
044    @XmlRootElement(name = ExtensionDefinition.Constants.ROOT_ELEMENT_NAME)
045    @XmlAccessorType(XmlAccessType.NONE)
046    @XmlType(name = ExtensionDefinition.Constants.TYPE_NAME, propOrder = {
047            ExtensionDefinition.Elements.ID,
048            ExtensionDefinition.Elements.NAME,
049            ExtensionDefinition.Elements.APPLICATION_ID,
050            ExtensionDefinition.Elements.LABEL,
051            ExtensionDefinition.Elements.DESCRIPTION,
052            ExtensionDefinition.Elements.TYPE,
053            ExtensionDefinition.Elements.RESOURCE_DESCRIPTOR,
054            ExtensionDefinition.Elements.CONFIGURATION,
055            CoreConstants.CommonElements.VERSION_NUMBER,
056            CoreConstants.CommonElements.FUTURE_ELEMENTS
057    })
058    public final class ExtensionDefinition extends AbstractDataTransferObject implements ExtensionDefinitionContract {
059    
060        private static final long serialVersionUID = 6234968409006917945L;
061        
062        @XmlElement(name = Elements.ID, required = false)
063        private final String id;
064    
065        @XmlElement(name = Elements.NAME, required = true)
066        private final String name;
067    
068        @XmlElement(name = Elements.APPLICATION_ID, required = false)
069        private final String applicationId;
070    
071        @XmlElement(name = Elements.LABEL, required = false)
072        private final String label;
073    
074        @XmlElement(name = Elements.DESCRIPTION, required = false)
075        private final String description;
076    
077        @XmlElement(name = Elements.TYPE, required = true)
078        private final String type;
079    
080        @XmlElement(name = Elements.RESOURCE_DESCRIPTOR, required = true)
081        private final String resourceDescriptor;
082    
083        @XmlElement(name = Elements.CONFIGURATION, required = false)
084        @XmlJavaTypeAdapter(MapStringStringAdapter.class)
085        private final Map<String, String> configuration;
086    
087        @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false)
088        private final Long versionNumber;
089    
090        @SuppressWarnings("unused")
091        @XmlAnyElement
092        private final Collection<Element> _futureElements = null;
093    
094        /**
095         * Private constructor used only by JAXB.
096         */
097        @SuppressWarnings("unused")
098        private ExtensionDefinition() {
099            this.id = null;
100            this.name = null;
101            this.applicationId = null;
102            this.label = null;
103            this.description = null;
104            this.type = null;
105            this.resourceDescriptor = null;
106            this.configuration = null;
107            this.versionNumber = null;
108        }
109    
110        private ExtensionDefinition(Builder builder) {
111            this.id = builder.getId();
112            this.name = builder.getName();
113            this.applicationId = builder.getApplicationId();
114            this.label = builder.getLabel();
115            this.description = builder.getDescription();
116            this.type = builder.getType();
117            this.resourceDescriptor = builder.getResourceDescriptor();
118            if (builder.getConfiguration() == null) {
119                this.configuration = Collections.emptyMap();
120            } else {
121                this.configuration = Collections.unmodifiableMap(new HashMap<String, String>(builder.getConfiguration()));
122            }
123            this.versionNumber = builder.getVersionNumber();
124        }
125    
126        @Override
127        public String getId() {
128            return this.id;
129        }
130    
131        @Override
132        public String getName() {
133            return this.name;
134        }
135    
136        @Override
137        public String getApplicationId() {
138            return this.applicationId;
139        }
140    
141        @Override
142        public String getLabel() {
143            return this.label;
144        }
145    
146        @Override
147        public String getDescription() {
148            return this.description;
149        }
150    
151        @Override
152        public String getType() {
153            return this.type;
154        }
155    
156        @Override
157        public String getResourceDescriptor() {
158            return this.resourceDescriptor;
159        }
160    
161        @Override
162        public Map<String, String> getConfiguration() {
163            return this.configuration;
164        }
165    
166        @Override
167        public Long getVersionNumber() {
168            return this.versionNumber;
169        }
170    
171        /**
172         * A builder which can be used to construct {@link ExtensionDefinition} instances.  Enforces the constraints of the
173         * {@link ExtensionDefinitionContract}.
174         */
175        public final static class Builder implements Serializable, ModelBuilder, ExtensionDefinitionContract {
176    
177            private String id;
178            private String name;
179            private String applicationId;
180            private String label;
181            private String description;
182            private String type;
183            private String resourceDescriptor;
184            private Map<String, String> configuration;
185            private Long versionNumber;
186    
187            private Builder(String name, String type, String resourceDescriptor) {
188                setName(name);
189                setType(type);
190                setResourceDescriptor(resourceDescriptor);
191                setConfiguration(new HashMap<String, String>());
192            }
193    
194            public static Builder create(String name, String type, String resourceDescriptor) {
195                return new Builder(name, type, resourceDescriptor);
196            }
197    
198            public static Builder create(ExtensionDefinitionContract contract) {
199                if (contract == null) {
200                    throw new IllegalArgumentException("contract was null");
201                }
202                Builder builder = create(contract.getName(), contract.getType(), contract.getResourceDescriptor());
203                builder.setId(contract.getId());
204                builder.setApplicationId(contract.getApplicationId());
205                builder.setLabel(contract.getLabel());
206                builder.setDescription(contract.getDescription());
207                builder.setConfiguration(contract.getConfiguration());
208                builder.setVersionNumber(contract.getVersionNumber());
209                return builder;
210            }
211    
212            public ExtensionDefinition build() {
213                return new ExtensionDefinition(this);
214            }
215    
216            @Override
217            public String getId() {
218                return this.id;
219            }
220    
221            @Override
222            public String getName() {
223                return this.name;
224            }
225    
226            @Override
227            public String getApplicationId() {
228                return this.applicationId;
229            }
230    
231            @Override
232            public String getLabel() {
233                return this.label;
234            }
235    
236            @Override
237            public String getDescription() {
238                return this.description;
239            }
240    
241            @Override
242            public String getType() {
243                return this.type;
244            }
245    
246            @Override
247            public String getResourceDescriptor() {
248                return this.resourceDescriptor;
249            }
250    
251            @Override
252            public Map<String, String> getConfiguration() {
253                return this.configuration;
254            }
255    
256            @Override
257            public Long getVersionNumber() {
258                return this.versionNumber;
259            }
260    
261            public void setId(String id) {
262                this.id = id;
263            }
264    
265            public void setName(String name) {
266                if (StringUtils.isBlank(name)) {
267                    throw new IllegalArgumentException("name was null or blank");
268                }
269                this.name = name;
270            }
271    
272            public void setApplicationId(String applicationId) {
273                this.applicationId = applicationId;
274            }
275    
276            public void setLabel(String label) {
277                this.label = label;
278            }
279    
280            public void setDescription(String description) {
281                this.description = description;
282            }
283    
284            public void setType(String type) {
285                if (StringUtils.isBlank(type)) {
286                    throw new IllegalArgumentException("type was null or blank");
287                }
288    
289                this.type = type;
290            }
291    
292            public void setResourceDescriptor(String resourceDescriptor) {
293                if (StringUtils.isBlank(resourceDescriptor)) {
294                    throw new IllegalArgumentException("descriptor was null or blank");
295                }
296                this.resourceDescriptor = resourceDescriptor;
297            }
298    
299            public void setConfiguration(Map<String, String> configuration) {
300                this.configuration = configuration;
301            }
302    
303            public void setVersionNumber(Long versionNumber) {
304                this.versionNumber = versionNumber;
305            }
306    
307        }
308    
309        /**
310         * Defines some internal constants used on this class.
311         */
312        static class Constants {
313            final static String ROOT_ELEMENT_NAME = "extensionDefinition";
314            final static String TYPE_NAME = "ExtensionDefinitionType";
315        }
316    
317        /**
318         * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.
319         */
320        static class Elements {
321            final static String ID = "id";
322            final static String NAME = "name";
323            final static String APPLICATION_ID = "applicationId";
324            final static String LABEL = "label";
325            final static String DESCRIPTION = "description";
326            final static String TYPE = "type";
327            final static String RESOURCE_DESCRIPTOR = "resourceDescriptor";
328            final static String CONFIGURATION = "configuration";
329        }
330    
331    }