/**

  * Copyright 2005-2011 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.identity.external;

 import java.io.Serializable;

 import java.util.Collection;

 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 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.w3c.dom.Element;

 @XmlRootElement(name = EntityExternalIdentifier.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

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

     EntityExternalIdentifier.Elements.ID,

     EntityExternalIdentifier.Elements.ENTITY_ID,

     EntityExternalIdentifier.Elements.EXTERNAL_IDENTIFIER_TYPE_CODE,

     EntityExternalIdentifier.Elements.EXTERNAL_IDENTIFIER_TYPE,

     EntityExternalIdentifier.Elements.EXTERNAL_ID,

     CoreConstants.CommonElements.VERSION_NUMBER,

     CoreConstants.CommonElements.OBJECT_ID,

     CoreConstants.CommonElements.FUTURE_ELEMENTS

 })

 public final class EntityExternalIdentifier extends AbstractDataTransferObject

     implements EntityExternalIdentifierContract

 {

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

     private final String entityId;

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

     private final String externalIdentifierTypeCode;

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

     private final EntityExternalIdentifierType externalIdentifierType;

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

     private final String externalId;

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

     private final Long versionNumber;

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

     private final String objectId;

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

     private final String id;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     /**

      * Private constructor used only by JAXB.

      * 

      */

     private EntityExternalIdentifier() {

         this.entityId = null;

         this.externalIdentifierTypeCode = null;

         this.externalIdentifierType = null;

         this.externalId = null;

         this.versionNumber = null;

         this.objectId = null;

         this.id = null;

     }

     private EntityExternalIdentifier(Builder builder) {

         this.entityId = builder.getEntityId();

         this.externalIdentifierTypeCode = builder.getExternalIdentifierTypeCode();

         this.externalIdentifierType = builder.getExternalIdentifierType() != null ? builder.getExternalIdentifierType().build() : null;

         this.externalId = builder.getExternalId();

         this.versionNumber = builder.getVersionNumber();

         this.objectId = builder.getObjectId();

         this.id = builder.getId();

     }

     @Override

     public String getEntityId() {

         return this.entityId;

     }

     @Override

     public String getExternalIdentifierTypeCode() {

         return this.externalIdentifierTypeCode;

     }

     @Override

     public EntityExternalIdentifierType getExternalIdentifierType() {

         return this.externalIdentifierType;

     }

     @Override

     public String getExternalId() {

         return this.externalId;

     }

     @Override

     public Long getVersionNumber() {

         return this.versionNumber;

     }

     @Override

     public String getObjectId() {

         return this.objectId;

     }

     @Override

     public String getId() {

         return this.id;

     }

     /**

      * A builder which can be used to construct {@link EntityExternalIdentifier} instances.  Enforces the constraints of the {@link EntityExternalIdentifierContract}.

      * 

      */

     public final static class Builder

         implements Serializable, ModelBuilder, EntityExternalIdentifierContract

     {

         private String entityId;

         private String externalIdentifierTypeCode;

         private EntityExternalIdentifierType.Builder externalIdentifierType;

         private String externalId;

         private Long versionNumber;

         private String objectId;

         private String id;

         private Builder() { }

         public static Builder create() {

             return new Builder();

         }

         public static Builder create(EntityExternalIdentifierContract contract) {

             if (contract == null) {

                 throw new IllegalArgumentException("contract was null");

             }

             Builder builder = create();

             builder.setEntityId(contract.getEntityId());

             builder.setExternalIdentifierTypeCode(contract.getExternalIdentifierTypeCode());

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

                 builder.setExternalIdentifierType(

                         EntityExternalIdentifierType.Builder.create(contract.getExternalIdentifierType()));

             }

             builder.setExternalId(contract.getExternalId());

             builder.setVersionNumber(contract.getVersionNumber());

             builder.setObjectId(contract.getObjectId());

             builder.setId(contract.getId());

             return builder;

         }

         public EntityExternalIdentifier build() {

             return new EntityExternalIdentifier(this);

         }

         @Override

         public String getEntityId() {

             return this.entityId;

         }

         @Override

         public String getExternalIdentifierTypeCode() {

             return this.externalIdentifierTypeCode;

         }

         @Override

         public EntityExternalIdentifierType.Builder getExternalIdentifierType() {

             return this.externalIdentifierType;

         }

         @Override

         public String getExternalId() {

             return this.externalId;

         }

         @Override

         public Long getVersionNumber() {

             return this.versionNumber;

         }

         @Override

         public String getObjectId() {

             return this.objectId;

         }

         @Override

         public String getId() {

             return this.id;

         }

         public void setEntityId(String entityId) {

             this.entityId = entityId;

         }

         public void setExternalIdentifierTypeCode(String externalIdentifierTypeCode) {

             this.externalIdentifierTypeCode = externalIdentifierTypeCode;

         }

         public void setExternalIdentifierType(EntityExternalIdentifierType.Builder externalIdentifierType) {

             this.externalIdentifierType = externalIdentifierType;

         }

         public void setExternalId(String externalId) {

             this.externalId = externalId;

         }

         public void setVersionNumber(Long versionNumber) {

             this.versionNumber = versionNumber;

         }

         public void setObjectId(String objectId) {

             this.objectId = objectId;

         }

         public void setId(String id) {

             if (StringUtils.isWhitespace(id)) {

                 throw new IllegalArgumentException("id is blank");

             }

             this.id = id;

         }

     }

     /**

      * Defines some internal constants used on this class.

      * 

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "entityExternalIdentifier";

         final static String TYPE_NAME = "EntityExternalIdentifierType";

     }

     /**

      * 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 ENTITY_ID = "entityId";

         final static String EXTERNAL_IDENTIFIER_TYPE = "externalIdentifierType";

         final static String EXTERNAL_IDENTIFIER_TYPE_CODE = "externalIdentifierTypeCode";

         final static String EXTERNAL_ID = "externalId";

         final static String ID = "id";

     }

 }