package org.kuali.rice.ksb.api.registry;

 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.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;

 /**

  * Immutable implementation of the {@link ServiceEndpointContract} interface.

  * Represents a service endpoint that has been published to the service registry.

  * Includes both a {@link ServiceInfo} and {@link ServiceDescriptor} which

  * compose the two different pieces of information about a service endpoint.

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 @XmlRootElement(name = ServiceEndpoint.Constants.ROOT_ELEMENT_NAME)

 @XmlAccessorType(XmlAccessType.NONE)

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

                 ServiceEndpoint.Elements.INFO,

                 ServiceEndpoint.Elements.DESCRIPTOR,

                 CoreConstants.CommonElements.FUTURE_ELEMENTS

 })

 public final class ServiceEndpoint extends AbstractDataTransferObject implements ServiceEndpointContract {

         private static final long serialVersionUID = -2295962329997871877L;

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

     private final ServiceInfo info;

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

     private final ServiceDescriptor descriptor;

     @SuppressWarnings("unused")

     @XmlAnyElement

     private final Collection<Element> _futureElements = null;

     /**

      * Private constructor used only by JAXB.

      */

     private ServiceEndpoint() {

         this.info = null;

             this.descriptor = null;

     }

     private ServiceEndpoint(Builder builder) {

         this.info = builder.getInfo().build();

         this.descriptor = builder.getDescriptor().build();

     }

     @Override

     public ServiceInfo getInfo() {

         return this.info;

     }

     @Override

     public ServiceDescriptor getDescriptor() {

         return this.descriptor;

     }

     /**

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

      */

     public final static class Builder implements Serializable, ModelBuilder, ServiceEndpointContract {

                 private static final long serialVersionUID = -1783718474634197837L;

                 private ServiceInfo.Builder info;

         private ServiceDescriptor.Builder descriptor;

         private Builder(ServiceInfo.Builder info, ServiceDescriptor.Builder descriptor) {

             setInfo(info);

             setDescriptor(descriptor);

         }

         public static Builder create(ServiceInfo.Builder info, ServiceDescriptor.Builder descriptor) {

             return new Builder(info, descriptor);

         }

         public static Builder create(ServiceEndpointContract contract) {

             if (contract == null) {

                 throw new IllegalArgumentException("contract was null");

             }

             Builder builder = create(ServiceInfo.Builder.create(contract.getInfo()), ServiceDescriptor.Builder.create(contract.getDescriptor()));

             return builder;

         }

         public ServiceEndpoint build() {

             return new ServiceEndpoint(this);

         }

         @Override

         public ServiceInfo.Builder getInfo() {

             return this.info;

         }

         @Override

         public ServiceDescriptor.Builder getDescriptor() {

             return this.descriptor;

         }

         public void setInfo(ServiceInfo.Builder info) {

             if (info == null) {

                     throw new IllegalArgumentException("info was null");

             }

             this.info = info;

         }

         public void setDescriptor(ServiceDescriptor.Builder descriptor) {

                 if (descriptor == null) {

                     throw new IllegalArgumentException("descriptor was null");

             }

             this.descriptor = descriptor;

         }

     }

     /**

      * Defines some internal constants used on this class.

      */

     static class Constants {

         final static String ROOT_ELEMENT_NAME = "serviceEndpoint";

         final static String TYPE_NAME = "ServiceEndpointType";

     }

     /**

      * 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 INFO = "info";

         final static String DESCRIPTOR = "descriptor";

     }

 }