/*

  * Copyright 2006-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kim.api.group;

 import com.google.common.collect.Maps;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.core.api.CoreConstants;

 import org.kuali.rice.core.api.mo.AbstractDataTransferObject;

 import org.kuali.rice.core.api.mo.ModelBuilder;

 import org.kuali.rice.core.api.util.jaxb.MapStringStringAdapter;

 import org.w3c.dom.Element;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlAnyElement;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlRootElement;

 import javax.xml.bind.annotation.XmlType;

 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;

 import java.io.Serializable;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.Map;

 @XmlRootElement(name = Group.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = Group.Constants.TYPE_NAME, propOrder = {

         Group.Elements.ID,

         Group.Elements.NAMESPACE_CODE,

         Group.Elements.NAME,

         Group.Elements.DESCRIPTION,

         Group.Elements.KIM_TYPE_ID,

         Group.Elements.ATTRIBUTES,

         Group.Elements.ACTIVE,

         CoreConstants.CommonElements.VERSION_NUMBER,

         CoreConstants.CommonElements.OBJECT_ID,

         CoreConstants.CommonElements.FUTURE_ELEMENTS

 })

 public final class Group extends AbstractDataTransferObject implements GroupContract {

     @XmlElement(name = Elements.ID, required = false)

     private final String id;

     @XmlElement(name = Elements.NAMESPACE_CODE, required = true)

     private final String namespaceCode;

     @XmlElement(name = Elements.NAME, required = true)

     private final String name;

     @XmlElement(name = Elements.DESCRIPTION, required = false)

     private final String description;

     @XmlElement(name = Elements.KIM_TYPE_ID, required = true)

     private final String kimTypeId;

     @XmlElement(name = Elements.ATTRIBUTES, required = false)

     @XmlJavaTypeAdapter(value = MapStringStringAdapter.class)

     private final Map<String, String> attributes;

     @XmlElement(name = Elements.ACTIVE, required = false)

     private final boolean active;

     @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false)

     private final Long versionNumber;

     @XmlElement(name = CoreConstants.CommonElements.OBJECT_ID, required = false)

     private final String objectId;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     private Group() {

         this.id = null;

         this.namespaceCode = null;

         this.name = null;

         this.description = null;

         this.kimTypeId = null;

         this.attributes = null;

         this.versionNumber = null;

         this.objectId = null;

         this.active = false;

     }

     public Group(Builder builder) {

         id = builder.getId();

         namespaceCode = builder.getNamespaceCode();

         name = builder.getName();

         description = builder.getDescription();

         kimTypeId = builder.getKimTypeId();

         this.attributes = builder.getAttributes() != null ? builder.getAttributes() : Collections.<String, String>emptyMap();

         versionNumber = builder.getVersionNumber();

         objectId = builder.getObjectId();

         active = builder.isActive();

     }

     /**

      * This builder constructs an Group enforcing the constraints of the {@link org.kuali.rice.kim.api.group.GroupContract}.

      */

     public static class Builder implements GroupContract, ModelBuilder, Serializable {

         private String id;

         private String namespaceCode;

         private String name;

         private String description;

         private String kimTypeId;

         private Map<String, String> attributes = Collections.emptyMap();

         private boolean active;

         private Long versionNumber;

         private String objectId;

         private Builder(String namespaceCode, String name, String kimTypeId) {

             setNamespaceCode(namespaceCode);

             setName(name);

             setKimTypeId(kimTypeId);

         }

         /**

          * creates a Group with the required fields.

          */

         public static Builder create(String namespaceCode, String name, String kimTypeId) {

             return new Builder(namespaceCode, name, kimTypeId);

         }

         /**

          * creates a Group from an existing {@link org.kuali.rice.kim.api.group.GroupContract}.

          */

         public static Builder create(GroupContract contract) {

             if (contract == null) {

                 throw new IllegalArgumentException("GroupContract is null");

             }

             Builder builder = new Builder(contract.getNamespaceCode(), contract.getName(), contract.getKimTypeId());

             builder.setId(contract.getId());

             builder.setDescription(contract.getDescription());

             if (contract.getAttributes() != null) {

                 builder.setAttributes(contract.getAttributes());

             }

             builder.setActive(contract.isActive());

             builder.setVersionNumber(contract.getVersionNumber());

             builder.setObjectId(contract.getObjectId());

             return builder;

         }

         @Override

         public String getId() {

             return id;

         }

         public void setId(String id) {

             if (StringUtils.isWhitespace(id)) {

                 throw new IllegalArgumentException("id is blank");

             }

             this.id = id;

         }

         @Override

         public String getNamespaceCode() {

             return namespaceCode;

         }

         public void setNamespaceCode(String namespaceCode) {

             if (StringUtils.isEmpty(namespaceCode)) {

                 throw new IllegalArgumentException("namespaceCode is empty");

             }

             this.namespaceCode = namespaceCode;

         }

         @Override

         public String getName() {

             return name;

         }

         public void setName(String name) {

             if (StringUtils.isEmpty(name)) {

                 throw new IllegalArgumentException("name is empty");

             }

             this.name = name;

         }

         @Override

         public String getDescription() {

             return description;

         }

         public void setDescription(String description) {

             this.description = description;

         }

         @Override

         public String getKimTypeId() {

             return kimTypeId;

         }

         public void setKimTypeId(String kimTypeId) {

             if (StringUtils.isEmpty(kimTypeId)) {

                 throw new IllegalArgumentException("kimTypeId is empty");

             }

             this.kimTypeId = kimTypeId;

         }

         @Override

         public Map<String, String> getAttributes() {

             return attributes;

         }

         public void setAttributes(Map<String, String> attributes) {

             this.attributes = Collections.unmodifiableMap(Maps.newHashMap(attributes));

         }

         @Override

         public boolean isActive() {

             return active;

         }

         public void setActive(boolean active) {

             this.active = active;

         }

         @Override

         public Long getVersionNumber() {

             return versionNumber;

         }

         public void setVersionNumber(Long versionNumber) {

             this.versionNumber = versionNumber;

         }

         @Override

         public String getObjectId() {

             return objectId;

         }

         public void setObjectId(String objectId) {

             this.objectId = objectId;

         }

         @Override

         public Group build() {

             return new Group(this);

         }

     }

     @Override

     public String getId() {

         return id;

     }

     @Override

     public String getNamespaceCode() {

         return namespaceCode;

     }

     @Override

     public String getName() {

         return name;

     }

     @Override

     public String getDescription() {

         return description;

     }

     @Override

     public String getKimTypeId() {

         return kimTypeId;

     }

     @Override

     public Map<String, String> getAttributes() {

         return attributes;

     }

     @Override

     public boolean isActive() {

         return active;

     }

     @Override

     public Long getVersionNumber() {

         return versionNumber;

     }

     @Override

     public String getObjectId() {

         return objectId;

     }

     /**

      * Defines some internal constants used on this class.

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "group";

         final static String TYPE_NAME = "GroupType";

     }

     /**

      * A private class which exposes constants which define the XML element names to use

      * when this object is marshalled to XML.

      */

     static class Elements {

         final static String ID = "id";

         final static String NAMESPACE_CODE = "namespaceCode";

         final static String NAME = "name";

         final static String DESCRIPTION = "description";

         final static String KIM_TYPE_ID = "kimTypeId";

         final static String ATTRIBUTES = "attributes";

         final static String ACTIVE = "active";

     }

 }